From 6d6987cc331118662b38ac6ed3e55e280067c699 Mon Sep 17 00:00:00 2001 From: Eppleton IT Date: Sat, 28 Sep 2019 13:12:55 +0200 Subject: [PATCH 01/16] ProtoPresenter as of version 1.6.2 rev. 2347b1057d4 --- browser/pom.xml | 118 +++ .../com/dukescript/presenters/Browser.java | 677 +++++++++++++ .../dukescript/presenters/BrowserTest.java | 98 ++ .../dukescript/presenters/DynamicHTTP.java | 216 ++++ .../com/dukescript/presenters/KOScript.java | 117 +++ .../dukescript/presenters/KoBrowserTest.java | 252 +++++ .../com/dukescript/presenters/ServerTest.java | 137 +++ .../com/dukescript/presenters/empty.html | 37 + .../com/dukescript/presenters/server.html | 38 + generic/pom.xml | 101 ++ .../dukescript/presenters/spi/Generic.java | 959 ++++++++++++++++++ .../com/dukescript/presenters/spi/Level.java | 41 + .../presenters/spi/ProtoPresenter.java | 60 ++ .../presenters/spi/ProtoPresenterBuilder.java | 294 ++++++ .../presenters/spi/ValueOfTest.java | 71 ++ .../presenters/spi/test/CallbackTest.java | 71 ++ .../dukescript/presenters/spi/test/Case.java | 121 +++ .../presenters/spi/test/Counter.java | 55 + .../presenters/spi/test/GenericTest.java | 102 ++ .../presenters/spi/test/SynchronizedTest.java | 37 + .../presenters/spi/test/Testing.java | 179 ++++ renderer/pom.xml | 52 + .../dukescript/presenters/renderer/AWT.java | 65 ++ .../dukescript/presenters/renderer/Cocoa.java | 483 +++++++++ .../dukescript/presenters/renderer/GTK.java | 450 ++++++++ .../dukescript/presenters/renderer/JSC.java | 293 ++++++ .../dukescript/presenters/renderer/Show.java | 116 +++ webkit/pom.xml | 155 +++ .../presenters/webkit/UnJarResources.java | 74 ++ .../presenters/webkit/WebKitPresenter.java | 536 ++++++++++ .../dukescript/presenters/webkit/Case.java | 113 +++ .../presenters/webkit/DynamicHTTP.java | 246 +++++ .../presenters/webkit/GtkJavaScriptTest.java | 107 ++ .../presenters/webkit/GtkKnockoutTest.java | 214 ++++ .../dukescript/presenters/webkit/empty.html | 35 + 35 files changed, 6720 insertions(+) create mode 100644 browser/pom.xml create mode 100644 browser/src/main/java/com/dukescript/presenters/Browser.java create mode 100644 browser/src/test/java/com/dukescript/presenters/BrowserTest.java create mode 100644 browser/src/test/java/com/dukescript/presenters/DynamicHTTP.java create mode 100644 browser/src/test/java/com/dukescript/presenters/KOScript.java create mode 100644 browser/src/test/java/com/dukescript/presenters/KoBrowserTest.java create mode 100644 browser/src/test/java/com/dukescript/presenters/ServerTest.java create mode 100644 browser/src/test/resources/com/dukescript/presenters/empty.html create mode 100644 browser/src/test/resources/com/dukescript/presenters/server.html create mode 100644 generic/pom.xml create mode 100644 generic/src/main/java/com/dukescript/presenters/spi/Generic.java create mode 100644 generic/src/main/java/com/dukescript/presenters/spi/Level.java create mode 100644 generic/src/main/java/com/dukescript/presenters/spi/ProtoPresenter.java create mode 100644 generic/src/main/java/com/dukescript/presenters/spi/ProtoPresenterBuilder.java create mode 100644 generic/src/test/java/com/dukescript/presenters/spi/ValueOfTest.java create mode 100644 generic/src/test/java/com/dukescript/presenters/spi/test/CallbackTest.java create mode 100644 generic/src/test/java/com/dukescript/presenters/spi/test/Case.java create mode 100644 generic/src/test/java/com/dukescript/presenters/spi/test/Counter.java create mode 100644 generic/src/test/java/com/dukescript/presenters/spi/test/GenericTest.java create mode 100644 generic/src/test/java/com/dukescript/presenters/spi/test/SynchronizedTest.java create mode 100644 generic/src/test/java/com/dukescript/presenters/spi/test/Testing.java create mode 100644 renderer/pom.xml create mode 100644 renderer/src/main/java/com/dukescript/presenters/renderer/AWT.java create mode 100644 renderer/src/main/java/com/dukescript/presenters/renderer/Cocoa.java create mode 100644 renderer/src/main/java/com/dukescript/presenters/renderer/GTK.java create mode 100644 renderer/src/main/java/com/dukescript/presenters/renderer/JSC.java create mode 100644 renderer/src/main/java/com/dukescript/presenters/renderer/Show.java create mode 100644 webkit/pom.xml create mode 100644 webkit/src/main/java/com/dukescript/presenters/webkit/UnJarResources.java create mode 100644 webkit/src/main/java/com/dukescript/presenters/webkit/WebKitPresenter.java create mode 100644 webkit/src/test/java/com/dukescript/presenters/webkit/Case.java create mode 100644 webkit/src/test/java/com/dukescript/presenters/webkit/DynamicHTTP.java create mode 100644 webkit/src/test/java/com/dukescript/presenters/webkit/GtkJavaScriptTest.java create mode 100644 webkit/src/test/java/com/dukescript/presenters/webkit/GtkKnockoutTest.java create mode 100644 webkit/src/test/resources/com/dukescript/presenters/webkit/empty.html diff --git a/browser/pom.xml b/browser/pom.xml new file mode 100644 index 00000000..cbb2bc77 --- /dev/null +++ b/browser/pom.xml @@ -0,0 +1,118 @@ + + + 4.0.0 + browser + com.dukescript.presenters + jar + + com.dukescript.presenters + pom + 2.0-SNAPSHOT + + DukeScript Presenter for any Browser + + ${project.parent.basedir} + + + + + org.apache.maven.plugins + maven-compiler-plugin + + 1.8 + 1.8 + + + + org.apache.maven.plugins + maven-deploy-plugin + + false + + + + org.apache.maven.plugins + maven-javadoc-plugin + + false + + + + attach-javadocs + + jar + + + + + + org.apache.maven.plugins + maven-surefire-plugin + 2.18.1 + + + org.netbeans.html + html4j-maven-plugin + ${net.java.html.version} + + + process-test-classes + + process-js-annotations + + + + + ${project.build.directory}/test-classes + + + + + + + org.testng + testng + ${testng.version} + test + + + org.glassfish.grizzly + grizzly-http-server + 2.3.19 + + + org.netbeans.html + ko4j + ${net.java.html.version} + test + + + org.netbeans.api + org-openide-util-lookup + ${netbeans.version} + provided + + + org.netbeans.html + net.java.html.json.tck + ${net.java.html.version} + test + + + org.glassfish.grizzly + grizzly-websockets-server + test + 2.3.19 + + + com.dukescript.presenters + generic + ${project.version} + + + ${project.groupId} + renderer + ${project.version} + + + \ No newline at end of file diff --git a/browser/src/main/java/com/dukescript/presenters/Browser.java b/browser/src/main/java/com/dukescript/presenters/Browser.java new file mode 100644 index 00000000..11a7a414 --- /dev/null +++ b/browser/src/main/java/com/dukescript/presenters/Browser.java @@ -0,0 +1,677 @@ +package com.dukescript.presenters; + +/* + * #%L + * DukeScript Presenter for any Browser - a library from the "DukeScript Presenters" project. + * + * Dukehoff GmbH designates this particular file as subject to the "Classpath" + * exception as provided in the README.md file that accompanies this code. + * %% + * Copyright (C) 2015 - 2019 Dukehoff GmbH + * %% + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as + * published by the Free Software Foundation, either version 3 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public + * License along with this program. If not, see + * . + * #L% + */ + + +import com.dukescript.presenters.renderer.Show; +import java.io.Closeable; +import java.io.FileNotFoundException; +import java.io.Flushable; +import java.io.IOException; +import java.io.InputStream; +import java.io.InputStreamReader; +import java.io.OutputStream; +import java.io.PrintStream; +import java.io.Reader; +import java.io.Writer; +import java.net.URI; +import java.net.URISyntaxException; +import java.net.URL; +import java.util.ArrayList; +import java.util.HashMap; +import java.util.LinkedList; +import java.util.List; +import java.util.Map; +import java.util.Queue; +import java.util.UUID; +import java.util.concurrent.Executor; +import java.util.concurrent.Executors; +import java.util.concurrent.ThreadFactory; +import java.util.logging.Level; +import java.util.logging.Logger; +import org.glassfish.grizzly.PortRange; +import org.glassfish.grizzly.http.server.HttpHandler; +import org.glassfish.grizzly.http.server.HttpServer; +import org.glassfish.grizzly.http.server.NetworkListener; +import org.glassfish.grizzly.http.server.Request; +import org.glassfish.grizzly.http.server.Response; +import org.glassfish.grizzly.http.server.ServerConfiguration; +import org.glassfish.grizzly.http.util.HttpStatus; +import org.netbeans.html.boot.spi.Fn; +import org.netbeans.html.boot.spi.Fn.Presenter; +import com.dukescript.presenters.spi.ProtoPresenter; +import com.dukescript.presenters.spi.ProtoPresenterBuilder; +import org.openide.util.lookup.ServiceProvider; + +/** Browser based {@link Presenter}. It starts local server and + * launches browser that connects to it. The actual browser to + * be launched can be influenced by value of + * com.dukescript.presenters.browser property. + * It can have following values: + * + * If the property is not specified the system tries GTK mode first, + * followed by AWT and then tries to execute xdg-open + * (default LINUX command to launch a browser from a shell script). + *

+ * To use this presenter specify following dependency: + * 

+ * <dependency>
+ *   <groupId>com.dukescript.presenters</groupId>
+ *   <artifactId>browser</artifactId>
+ *   <version>1.x</version>
+ * </dependency>
+ *
+ */ +@ServiceProvider(service = Presenter.class) +public final class Browser implements Fn.Presenter, Fn.KeepAlive, Flushable, +Executor, Closeable { + static final Logger LOG = Logger.getLogger(Browser.class.getName()); + private final Map SESSIONS = new HashMap(); + private final String app; + private HttpServer s; + private Runnable onPageLoad; + private Command current; + private final Config config; + + public Browser() throws Exception { + this(new Config()); + } + + public Browser(Config config) { + this(findCalleeClassName(), config); + } + + Browser(String app, Config config) { + this.app = app; + this.config = new Config(config); + } + + @Override + public final void execute(final Runnable r) { + current.runSafe(r, true); + } + + @Override + public void close() throws IOException { + s.shutdownNow(); + } + + HttpServer server() { + return s; + } + + static HttpServer findServer(Object obj) { + Command c = null; + if (obj instanceof Command) { + c = (Command) obj; + } else if (obj instanceof ProtoPresenter) { + c = ((ProtoPresenter) obj).lookup(Command.class); + } + return c.browser.server(); + } + + /** Shows URL in a browser. + * @param page the page to display in the browser + * @throws IOException if something goes wrong + */ + void show(URI page) throws IOException { + String impl = config.getBrowser(); + if ("none".equalsIgnoreCase(impl)) { // NOI18N + return; + } + if (impl != null) { + Show.show(impl, page); + } else { + IOException one, two; + try { + String ui = System.getProperty("os.name").contains("Mac") ? + "Cocoa" : "GTK"; + Show.show(ui, page); + return; + } catch (IOException ex) { + one = ex; + } + try { + Show.show("AWT", page); + return; + } catch (IOException ex) { + two = ex; + } + try { + Show.show(impl, page); + } catch (IOException ex) { + two.initCause(one); + ex.initCause(two); + throw ex; + } + } + } + + @Override + public Fn defineFn(String string, String... strings) { + throw new UnsupportedOperationException(); + } + + @Override + public void loadScript(Reader reader) throws Exception { + throw new UnsupportedOperationException(); + } + + @Override + public Fn defineFn(String string, String[] strings, boolean[] blns) { + throw new UnsupportedOperationException(); + } + + @Override + public void flush() throws IOException { + throw new UnsupportedOperationException(); + } + + private static HttpServer server(RootPage r, Config config) { + int from = 8080; + int to = 65535; + int port = config.getPort(); + if (port != -1) { + from = to = port; + } + HttpServer s = HttpServer.createSimpleServer(null, new PortRange(from, to)); + final ServerConfiguration conf = s.getServerConfiguration(); + conf.addHttpHandler(r, "/"); + return s; + } + + private static URI pageURL(String protocol, HttpServer server, final String page) { + NetworkListener listener = server.getListeners().iterator().next(); + int port = listener.getPort(); + try { + return new URI(protocol + "://localhost:" + port + page); + } catch (URISyntaxException ex) { + throw new IllegalStateException(ex); + } + } + + @Override + public final void displayPage(URL page, Runnable onPageLoad) { + try { + this.onPageLoad = onPageLoad; + s = server(new RootPage(page), config); + s.start(); + show(pageURL("http", s, "/")); + } catch (IOException ex) { + Logger.getLogger(Browser.class.getName()).log(Level.SEVERE, null, ex); + } + } + + /** Parameters to configure {@link Browser}. + * Create an instance and pass it + * to {@link Browser#Browser(com.dukescript.presenters.Browser.Config) } + * constructor. + */ + public final static class Config { + String browser; + Integer port; + + public Config() { + } + + private Config(Config copy) { + this.browser = copy.browser; + this.port = copy.port; + } + + /** The command to use when invoking a browser. Possible values: + *
    + *
  • + * GTK - use Gtk WebKit implementation. Requires presence of appropriate native libraries + *
    • + *
  • + * AWT - use Desktop.browse(java.net.URI) to launch a browser + *
    • + *
  • + * NONE - just launches the server, useful together with {@link #port(int)} to specify a fixed port to open the server at + *
    • + *
  • + * any other value is interpreted as a command which is then launched on a command line with one parameter - the URL to connect to + *
    • + *
+ * + * @param executable browser to execute + * @return this instance + */ + public Config command(String executable) { + this.browser = executable; + return this; + } + + /** The port to start the server at. + * By default a random port is selected. + * @param port the port + * @return this instance + */ + public Config port(int port) { + this.port = port; + return this; + } + + final String getBrowser() { + if (browser != null) { + return browser; + } + return System.getProperty("com.dukescript.presenters.browser"); // NOI18N + } + + final int getPort() { + if (port != null) { + return port; + } + String port = System.getProperty("com.dukescript.presenters.browserPort"); // NOI18N + try { + return Integer.parseInt(port); + } catch (NumberFormatException ex) { + return -1; + } + } + } + + static void cors(Response r) { + r.setCharacterEncoding("UTF-8"); + r.addHeader("Access-Control-Allow-Origin", "*"); + r.addHeader("Access-Control-Allow-Credentials", "true"); + r.addHeader("Access-Control-Allow-Headers", "Content-Type"); + r.addHeader("Access-Control-Allow-Methods", "GET, POST, DELETE, PUT"); + } + + private final class RootPage extends HttpHandler { + private final URL page; + + public RootPage(URL page) { + this.page = page; + } + + @Override + public void service(Request rqst, Response rspns) throws Exception { + String path = rqst.getRequestURI(); + cors(rspns); + if ("/".equals(path) || "index.html".equals(path)) { + Reader is; + String prefix = "http://" + rqst.getServerName() + ":" + rqst.getServerPort() + "/"; + Writer w = rspns.getWriter(); + rspns.setContentType("text/html"); + final Command cmd = new Command(Browser.this, prefix); + try { + is = new InputStreamReader(page.openStream()); + } catch (IOException ex) { + w.write(""); + w.write("

Browser

"); + w.write("
");
+                    emitScript(w, prefix, cmd.id);
+                    w.write("");
+                    w.close();
+                    return;
+                }
+                SESSIONS.put(cmd.id, cmd);
+                int state = 0;
+                for (;;) {
+                    int ch = is.read();
+                    if (ch == -1) {
+                        break;
+                    }
+                    char lower = Character.toLowerCase((char)ch);
+                    switch (state) {
+                        case 1000: break;
+                        case 0: if (lower == '<') state = 1; break;
+                        case 1: if (lower == 'b') state = 2;
+                            else if (lower != ' ' && lower != '\n') state = 0;
+                            break;
+                        case 2: if (lower == 'o') state = 3; else state = 0; break;
+                        case 3: if (lower == 'd') state = 4; else state = 0; break;
+                        case 4: if (lower == 'y') state = 5; else state = 0; break;
+                        case 5: if (lower == '>') state = 500;
+                            else if (lower != ' ' && lower != '\n') state = 0;
+                            break;
+                    }
+                    w.write((char)ch);
+                    if (state == 500) {
+                        emitScript(w, prefix, cmd.id);
+                        state = 1000;
+                    }
+                }
+                if (state != 1000) {
+                    emitScript(w, prefix, cmd.id);
+                }
+                is.close();
+                w.close();
+            } else if (path.equals("/command.js")) {
+                String id = rqst.getParameter("id");
+                Command c = SESSIONS.get(id);
+                if (c == null) {
+                    rspns.getOutputBuffer().write("No command for " + id);
+                    rspns.setStatus(HttpStatus.NOT_FOUND_404);
+                    return;
+                }
+                c.service(rqst, rspns);
+            } else {
+                if (path.startsWith("/")) {
+                    path = path.substring(1);
+                }
+                URL relative = new URL(page, path);
+                InputStream is;
+                try {
+                    is = relative.openStream();
+                } catch (FileNotFoundException ex) {
+                    rspns.setStatus(HttpStatus.NOT_FOUND_404);
+                    return;
+                }
+                OutputStream out = rspns.getOutputStream();
+                for (;;) {
+                    int b = is.read();
+                    if (b == -1) {
+                        break;
+                    }
+                    out.write(b);
+                }
+                out.close();
+                is.close();
+            }
+        }
+
+        private void emitScript(Writer w, String prefix, String id) throws IOException {
+            w.write("  \n");
+        }
+    }
+
+    private static String findCalleeClassName() {
+        StackTraceElement[] frames = new Exception().getStackTrace();
+        for (StackTraceElement e : frames) {
+            String cn = e.getClassName();
+            if (cn.startsWith("com.dukescript.presenters.")) { // NOI18N
+                continue;
+            }
+            if (cn.startsWith("org.netbeans.html.")) { // NOI18N
+                continue;
+            }
+            if (cn.startsWith("net.java.html.")) { // NOI18N
+                continue;
+            }
+            if (cn.startsWith("java.")) { // NOI18N
+                continue;
+            }
+            if (cn.startsWith("javafx.")) { // NOI18N
+                continue;
+            }
+            if (cn.startsWith("com.sun.")) { // NOI18N
+                continue;
+            }
+            return cn;
+        }
+        return "org.netbeans.html"; // NOI18N
+    }
+    
+    private static final class Command extends Object
+    implements Executor, ThreadFactory {
+        private final Queue exec;
+        private final Browser browser;
+        private final String id;
+        private final String prefix;
+        private final Executor RUN;
+        private Thread RUNNER;
+        private Response suspended;
+        private boolean initialized;
+        private final ProtoPresenter presenter;
+
+        Command(Browser browser, String prefix) {
+            this.RUN = Executors.newSingleThreadExecutor(this);
+            this.id = UUID.randomUUID().toString();
+            this.exec = new LinkedList<>();
+            this.prefix = prefix;
+            this.browser = browser;
+            this.presenter = ProtoPresenterBuilder.newBuilder().
+                preparator(this::callbackFn, true).
+                loadJavaScript(this::loadJS, false).
+                app(browser.app).
+                dispatcher(this, true).
+                displayer(this::displayPage).
+                logger(this::log).
+                type("Browser").
+                register(this).
+                build();
+        }
+
+        @Override
+        public Thread newThread(Runnable r) {
+            Thread t = new Thread(r, "Processor for " + id);
+            RUNNER = t;
+            return t;
+        }
+
+        @Override
+        public final void execute(final Runnable r) {
+            runSafe(r, true);
+        }
+        
+        final void runSafe(final Runnable r, final boolean context) {
+            class Wrap implements Runnable {
+                @Override
+                public void run() {
+                    if (context) {
+                        Closeable c = Fn.activate(Command.this.presenter);
+                        try {
+                            r.run();
+                        } finally {
+                            try {
+                                c.close();
+                            } catch (IOException ex) {
+                                // ignore
+                            }
+                        }
+                    } else {
+                        r.run();
+                    }
+                }
+            }
+            if (RUNNER == Thread.currentThread()) {
+                if (context) {
+                    Runnable w = new Wrap();
+                    w.run();
+                } else {
+                    r.run();
+                }
+            } else {
+                Runnable w = new Wrap();
+                RUN.execute(w);
+            }
+        }
+        
+        final synchronized void add(Object obj) {
+            if (suspended != null) {
+                try {
+                    suspended.getWriter().write(obj.toString());
+                } catch (IOException ex) {
+                    LOG.log(Level.SEVERE, null, ex);
+                }
+                suspended.resume();
+                suspended = null;
+                return;
+            }
+            exec.add(obj);
+        }
+        
+        private synchronized Object take(Response rspns) {
+            Object o = exec.poll();
+            if (o != null) {
+                return o;
+            }
+            suspended = rspns;
+            rspns.suspend();
+            return null;
+        }
+        
+        void service(Request rqst, Response rspns) throws Exception {
+            final String methodName = rqst.getParameter("name");
+            Writer w = rspns.getWriter();
+            if (methodName == null) {
+                if (!initialized) {
+                    initialized = true;
+                    execute(browser.onPageLoad);
+                }
+                // send new request
+                Object obj = take(rspns);
+                if (obj == null) {
+                    LOG.log(Level.FINE, "Suspending response {0}", rspns);
+                    return;
+                }
+                final String s = obj.toString();
+                w.write(s);
+                LOG.log(Level.FINE, "Exec global: {0}", s);
+            } else {
+                List args = new ArrayList();
+                for (;;) {
+                    String p = rqst.getParameter("p" + args.size());
+                    if (p == null) {
+                        break;
+                    }
+                    args.add(p);
+                }
+                String res;
+                try {
+                    LOG.log(Level.FINE, "Call {0}", methodName + " with " + args);
+                    res = presenter.js2java(methodName,
+                        args.get(0), args.get(1), args.get(2), args.get(3)
+                    );
+                    LOG.log(Level.FINE, "Result: {0}", res);
+                } catch (Exception ex) {
+                    res = "error:" + ex.getMessage();
+                }
+                if (res != null) {
+                    w.write(res);
+                } else {
+                    w.write("null");
+                }
+            }
+            w.close();
+        }
+
+        void callbackFn(ProtoPresenterBuilder.OnPrepared onReady) {
+            StringBuilder sb = new StringBuilder();
+            sb.append("this.toBrwsrSrvr = function(name, a1, a2, a3, a4) {\n"
+                + "var url = '").append(prefix).append("command.js?id=").append(id).append("&name=' + name;\n"
+                + "url += '&p0=' + encodeURIComponent(a1);\n"
+                + "url += '&p1=' + encodeURIComponent(a2);\n"
+                + "url += '&p2=' + encodeURIComponent(a3);\n"
+                + "url += '&p3=' + encodeURIComponent(a4);\n"
+                + "var request = new XMLHttpRequest();\n"
+                + "request.open('GET', url, false);\n"
+                + "request.setRequestHeader('Content-Type', 'text/plain; charset=utf-8');\n"
+                + "request.send();\n"
+                + "return request.responseText;\n"
+                + "};\n");
+            add(sb);
+            onReady.callbackIsPrepared("toBrwsrSrvr");
+        }
+
+        private static Level findLevel(int priority) {
+            if (priority >= Level.SEVERE.intValue()) {
+                return Level.SEVERE;
+            }
+            if (priority >= Level.WARNING.intValue()) {
+                return Level.WARNING;
+            }
+            if (priority >= Level.INFO.intValue()) {
+                return Level.INFO;
+            }
+            return Level.FINE;
+        }
+        
+        void log(int priority, String msg, Object... args) {
+            Level level = findLevel(priority);
+
+            if (args.length == 1 && args[0] instanceof Throwable) {
+                LOG.log(level, msg, (Throwable) args[0]);
+            } else {
+                LOG.log(level, msg, args);
+            }
+        }
+
+        final void loadJS(String js) {
+            add(js);
+        }
+
+        void dispatch(Runnable r) {
+            runSafe(r, false);
+        }
+
+
+        public void displayPage(URL url, Runnable r) {
+            throw new UnsupportedOperationException(url.toString());
+        }
+    } // end of Command  
+}
diff --git a/browser/src/test/java/com/dukescript/presenters/BrowserTest.java b/browser/src/test/java/com/dukescript/presenters/BrowserTest.java
new file mode 100644
index 00000000..b965b987
--- /dev/null
+++ b/browser/src/test/java/com/dukescript/presenters/BrowserTest.java
@@ -0,0 +1,98 @@
+package com.dukescript.presenters;
+
+/*
+ * #%L
+ * DukeScript Presenter for any Browser - a library from the "DukeScript Presenters" project.
+ * 
+ * Dukehoff GmbH designates this particular file as subject to the "Classpath"
+ * exception as provided in the README.md file that accompanies this code.
+ * %%
+ * Copyright (C) 2015 - 2019 Dukehoff GmbH
+ * %%
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ * 
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public
+ * License along with this program.  If not, see
+ * .
+ * #L%
+ */
+
+
+import java.lang.annotation.Annotation;
+import java.lang.reflect.Method;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.concurrent.Executors;
+import net.java.html.boot.BrowserBuilder;
+import org.netbeans.html.boot.spi.Fn;
+import org.netbeans.html.json.tck.JavaScriptTCK;
+import org.netbeans.html.json.tck.KOTest;
+import org.testng.annotations.Factory;
+
+public class BrowserTest extends JavaScriptTCK {
+    private static Class browserClass;
+    private static Fn.Presenter browserPresenter;
+    
+    public BrowserTest() {
+    }
+
+    @Factory public static Object[] compatibilityTests() throws Exception {
+        final BrowserBuilder bb = BrowserBuilder.newBrowser(new Browser("BrowserTest", new Browser.Config())).
+            loadClass(BrowserTest.class).
+            loadPage("empty.html").
+            invoke("initialized");
+
+        Executors.newSingleThreadExecutor().submit(new Runnable() {
+            @Override
+            public void run() {
+                bb.showAndWait();
+            }
+        });
+
+        List res = new ArrayList();
+        Class test = 
+            loadClass().getClassLoader().loadClass(KOTest.class.getName()).
+            asSubclass(Annotation.class);
+
+        Class[] arr = (Class[]) loadClass().getDeclaredMethod("tests").invoke(null);
+        for (Class c : arr) {
+            for (Method m : c.getMethods()) {
+                if (m.getAnnotation(test) != null) {
+                    res.add(new KOScript(browserPresenter, m));
+                }
+            }
+        }
+        return res.toArray();
+    }
+    
+    public static Class[] tests() {
+        return testClasses();
+    }
+
+    static synchronized Class loadClass() throws InterruptedException {
+        while (browserClass == null) {
+            BrowserTest.class.wait();
+        }
+        return browserClass;
+    }
+    
+    public static synchronized void ready(Class browserCls) throws Exception {
+        browserClass = browserCls;
+        browserPresenter = Fn.activePresenter();
+        BrowserTest.class.notifyAll();
+    }
+    
+    public static void initialized() throws Exception {
+        Class classpathClass = ClassLoader.getSystemClassLoader().loadClass(BrowserTest.class.getName());
+        Method m = classpathClass.getMethod("ready", Class.class);
+        m.invoke(null, BrowserTest.class);
+    }
+}
diff --git a/browser/src/test/java/com/dukescript/presenters/DynamicHTTP.java b/browser/src/test/java/com/dukescript/presenters/DynamicHTTP.java
new file mode 100644
index 00000000..fc3e02b6
--- /dev/null
+++ b/browser/src/test/java/com/dukescript/presenters/DynamicHTTP.java
@@ -0,0 +1,216 @@
+package com.dukescript.presenters;
+
+/*
+ * #%L
+ * DukeScript Presenter for any Browser - a library from the "DukeScript Presenters" project.
+ * 
+ * Dukehoff GmbH designates this particular file as subject to the "Classpath"
+ * exception as provided in the README.md file that accompanies this code.
+ * %%
+ * Copyright (C) 2015 - 2019 Dukehoff GmbH
+ * %%
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ * 
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public
+ * License along with this program.  If not, see
+ * .
+ * #L%
+ */
+
+
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.io.Reader;
+import java.net.URI;
+import java.net.URISyntaxException;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+import org.glassfish.grizzly.http.server.HttpHandler;
+import org.glassfish.grizzly.http.server.HttpServer;
+import org.glassfish.grizzly.http.server.NetworkListener;
+import org.glassfish.grizzly.http.server.Request;
+import org.glassfish.grizzly.http.server.Response;
+import org.glassfish.grizzly.http.server.ServerConfiguration;
+import org.glassfish.grizzly.websockets.WebSocket;
+import org.glassfish.grizzly.websockets.WebSocketApplication;
+import org.glassfish.grizzly.websockets.WebSocketEngine;
+
+final class DynamicHTTP extends HttpHandler {
+    private static final Logger LOG = Logger.getLogger(DynamicHTTP.class.getName());
+    private static int resourcesCount;
+    private List resources = new ArrayList();
+    private final ServerConfiguration conf;
+    private final HttpServer server;
+    
+    DynamicHTTP(HttpServer s) {
+        server = s;
+        conf = s.getServerConfiguration();
+    }
+    
+    @Override
+    public void service(Request request, Response response) throws Exception {
+        if ("/dynamic".equals(request.getRequestURI())) {
+            String mimeType = request.getParameter("mimeType");
+            List params = new ArrayList();
+            boolean webSocket = false;
+            for (int i = 0;; i++) {
+                String p = request.getParameter("param" + i);
+                if (p == null) {
+                    break;
+                }
+                if ("protocol:ws".equals(p)) {
+                    webSocket = true;
+                    continue;
+                }
+                params.add(p);
+            }
+            final String cnt = request.getParameter("content");
+            String mangle = cnt.replace("%20", " ").replace("%0A", "\n");
+            ByteArrayInputStream is = new ByteArrayInputStream(mangle.getBytes("UTF-8"));
+            URI url;
+            final Resource res = new Resource(is, mimeType, "/dynamic/res" + ++resourcesCount, params.toArray(new String[params.size()]));
+            if (webSocket) {
+                url = registerWebSocket(res);
+            } else {
+                url = registerResource(res);
+            }
+            response.getWriter().write(url.toString());
+            response.getWriter().write("\n");
+            return;
+        }
+
+        for (Resource r : resources) {
+            if (r.httpPath.equals(request.getRequestURI())) {
+                response.setContentType(r.httpType);
+                r.httpContent.reset();
+                String[] params = null;
+                if (r.parameters.length != 0) {
+                    params = new String[r.parameters.length];
+                    for (int i = 0; i < r.parameters.length; i++) {
+                        params[i] = request.getParameter(r.parameters[i]);
+                        if (params[i] == null) {
+                            if ("http.method".equals(r.parameters[i])) {
+                                params[i] = request.getMethod().toString();
+                            } else if ("http.requestBody".equals(r.parameters[i])) {
+                                Reader rdr = request.getReader();
+                                StringBuilder sb = new StringBuilder();
+                                for (;;) {
+                                    int ch = rdr.read();
+                                    if (ch == -1) {
+                                        break;
+                                    }
+                                    sb.append((char) ch);
+                                }
+                                params[i] = sb.toString();
+                            } else if (r.parameters[i].startsWith("http.header.")) {
+                                params[i] = request.getHeader(r.parameters[i].substring(12));
+                            }
+                        }
+                        if (params[i] == null) {
+                            params[i] = "null";
+                        }
+                    }
+                }
+
+                copyStream(r.httpContent, response.getOutputStream(), null, params);
+            }
+        }
+    }
+    
+    private URI registerWebSocket(Resource r) {
+        WebSocketEngine.getEngine().register("", r.httpPath, new WS(r));
+        return pageURL("ws", server, r.httpPath);
+    }
+
+    private URI registerResource(Resource r) {
+        if (!resources.contains(r)) {
+            resources.add(r);
+            conf.addHttpHandler(this, r.httpPath);
+        }
+        return pageURL("http", server, r.httpPath);
+    }
+    
+    private static URI pageURL(String proto, HttpServer server, final String page) {
+        NetworkListener listener = server.getListeners().iterator().next();
+        int port = listener.getPort();
+        try {
+            return new URI(proto + "://localhost:" + port + page);
+        } catch (URISyntaxException ex) {
+            throw new IllegalStateException(ex);
+        }
+    }
+    
+    static final class Resource {
+
+        final InputStream httpContent;
+        final String httpType;
+        final String httpPath;
+        final String[] parameters;
+
+        Resource(InputStream httpContent, String httpType, String httpPath,
+            String[] parameters) {
+            httpContent.mark(Integer.MAX_VALUE);
+            this.httpContent = httpContent;
+            this.httpType = httpType;
+            this.httpPath = httpPath;
+            this.parameters = parameters;
+        }
+    }
+
+    static void copyStream(InputStream is, OutputStream os, String baseURL, String... params) throws IOException {
+        for (;;) {
+            int ch = is.read();
+            if (ch == -1) {
+                break;
+            }
+            if (ch == '$' && params.length > 0) {
+                int cnt = is.read() - '0';
+                if (baseURL != null && cnt == 'U' - '0') {
+                    os.write(baseURL.getBytes("UTF-8"));
+                } else {
+                    if (cnt >= 0 && cnt < params.length) {
+                        os.write(params[cnt].getBytes("UTF-8"));
+                    } else {
+                        os.write('$');
+                        os.write(cnt + '0');
+                    }
+                }
+            } else {
+                os.write(ch);
+            }
+        }
+    }
+    private static class WS extends WebSocketApplication {
+        private final Resource r;
+
+        private WS(Resource r) {
+            this.r = r;
+        }
+
+        @Override
+        public void onMessage(WebSocket socket, String text) {
+            try {
+                r.httpContent.reset();
+                ByteArrayOutputStream out = new ByteArrayOutputStream();
+                copyStream(r.httpContent, out, null, text);
+                String s = new String(out.toByteArray(), "UTF-8");
+                socket.send(s);
+            } catch (IOException ex) {
+                LOG.log(Level.WARNING, "Error processing message " + text, ex);
+            }
+        }
+    }
+}
diff --git a/browser/src/test/java/com/dukescript/presenters/KOScript.java b/browser/src/test/java/com/dukescript/presenters/KOScript.java
new file mode 100644
index 00000000..a719a609
--- /dev/null
+++ b/browser/src/test/java/com/dukescript/presenters/KOScript.java
@@ -0,0 +1,117 @@
+package com.dukescript.presenters;
+
+/*
+ * #%L
+ * DukeScript Presenter for any Browser - a library from the "DukeScript Presenters" project.
+ * 
+ * Dukehoff GmbH designates this particular file as subject to the "Classpath"
+ * exception as provided in the README.md file that accompanies this code.
+ * %%
+ * Copyright (C) 2015 - 2019 Dukehoff GmbH
+ * %%
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ * 
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public
+ * License along with this program.  If not, see
+ * .
+ * #L%
+ */
+
+
+import java.io.Closeable;
+import java.io.IOException;
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
+import java.util.concurrent.CountDownLatch;
+import java.util.concurrent.Executor;
+import org.netbeans.html.boot.spi.Fn;
+import org.testng.IHookCallBack;
+import org.testng.IHookable;
+import org.testng.ITest;
+import org.testng.ITestResult;
+import org.testng.annotations.Test;
+
+public final class KOScript implements ITest, IHookable, Runnable {
+    private final Fn.Presenter p;
+    private CountDownLatch finished;
+    private final Method m;
+    private Object result;
+    private Object inst;
+    private int cnt;
+
+    KOScript(Fn.Presenter p, Method m) {
+        this.p = p;
+        this.m = m;
+    }
+
+    @Override
+    public String getTestName() {
+        return m.getDeclaringClass().getSimpleName() + "." + m.getName();
+    }
+
+    @Test
+    public void executeTest() throws Exception {
+        for (;;) {
+            if (p instanceof Executor) {
+                finished = new CountDownLatch(1);
+                ((Executor)p).execute(this);
+                finished.await();
+            } else {
+                run();
+            }
+            if (result instanceof InterruptedException && cnt++ < 100) {
+                Thread.sleep(100);
+                result = null;
+                continue;
+            }
+            break;
+        }
+        if (result instanceof Exception) {
+            throw (Exception) result;
+        } else if (result instanceof Error) {
+            throw (Error) result;
+        }
+    }
+    
+    @Override
+    public void run() {
+        Closeable c = Fn.activate(p);
+        try {
+            if (inst == null) {
+                inst = m.getDeclaringClass().newInstance();
+            }
+            result = m.invoke(inst);
+            if (result == null) {
+                result = this;
+            }
+        } catch (InvocationTargetException ex) {
+            Throwable r = ex.getTargetException();
+            result = r;
+        } catch (Exception ex) {
+            result = ex;
+        } finally {
+            try {
+                c.close();
+            } catch (IOException ex) {
+                throw new IllegalStateException(ex);
+            }
+            if (finished != null) {
+                finished.countDown();
+            }
+        }
+    }
+
+    @Override
+    public void run(IHookCallBack ihcb, ITestResult itr) {
+        ihcb.runTestMethod(itr);
+    }
+    
+}
diff --git a/browser/src/test/java/com/dukescript/presenters/KoBrowserTest.java b/browser/src/test/java/com/dukescript/presenters/KoBrowserTest.java
new file mode 100644
index 00000000..0386221a
--- /dev/null
+++ b/browser/src/test/java/com/dukescript/presenters/KoBrowserTest.java
@@ -0,0 +1,252 @@
+package com.dukescript.presenters;
+
+/*
+ * #%L
+ * DukeScript Presenter for any Browser - a library from the "DukeScript Presenters" project.
+ * 
+ * Dukehoff GmbH designates this particular file as subject to the "Classpath"
+ * exception as provided in the README.md file that accompanies this code.
+ * %%
+ * Copyright (C) 2015 - 2019 Dukehoff GmbH
+ * %%
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ * 
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public
+ * License along with this program.  If not, see
+ * .
+ * #L%
+ */
+
+
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.lang.annotation.Annotation;
+import java.lang.reflect.Method;
+import java.net.URI;
+import java.net.URISyntaxException;
+import java.net.URL;
+import java.net.URLConnection;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+import java.util.Map;
+import java.util.concurrent.Executor;
+import java.util.concurrent.Executors;
+import java.util.logging.ConsoleHandler;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+import net.java.html.BrwsrCtx;
+import net.java.html.boot.BrowserBuilder;
+import net.java.html.js.JavaScriptBody;
+import org.netbeans.html.boot.spi.Fn;
+import org.netbeans.html.context.spi.Contexts;
+import org.netbeans.html.json.spi.Technology;
+import org.netbeans.html.json.spi.Transfer;
+import org.netbeans.html.json.tck.KOTest;
+import org.netbeans.html.json.tck.KnockoutTCK;
+import org.glassfish.grizzly.http.server.HttpServer;
+import org.glassfish.grizzly.http.server.ServerConfiguration;
+import org.netbeans.html.ko4j.KO4J;
+import org.openide.util.lookup.ServiceProvider;
+import static org.testng.Assert.assertNotNull;
+import org.testng.annotations.Factory;
+
+@ServiceProvider(service = KnockoutTCK.class)
+public class KoBrowserTest extends KnockoutTCK {
+    private static final Logger LOG = Logger.getLogger(KoBrowserTest.class.getName());
+    private static Class browserClass;
+    private static Fn.Presenter browserPresenter;
+    
+    public KoBrowserTest() {
+    }
+
+    static Object[] showBrwsr(URI uri, String cmd) throws IOException {
+        LOG.log(Level.INFO, "Showing {0}", uri);
+        if (cmd == null) {
+            try {
+                LOG.log(Level.INFO, "Trying Desktop.browse on {0} {2} by {1}", new Object[]{
+                    System.getProperty("java.vm.name"),
+                    System.getProperty("java.vm.vendor"),
+                    System.getProperty("java.vm.version"),});
+                java.awt.Desktop.getDesktop().browse(uri);
+                LOG.log(Level.INFO, "Desktop.browse successfully finished");
+                return null;
+            } catch (UnsupportedOperationException ex) {
+                LOG.log(Level.INFO, "Desktop.browse not supported: {0}", ex.getMessage());
+                LOG.log(Level.FINE, null, ex);
+            }
+        }
+        {
+            String cmdName = cmd == null ? "xdg-open" : cmd;
+            String[] cmdArr = {
+                cmdName, uri.toString()
+            };
+            LOG.log(Level.INFO, "Launching {0}", Arrays.toString(cmdArr));
+            final Process process = Runtime.getRuntime().exec(cmdArr);
+            return new Object[]{process, null};
+        }
+    }
+   
+    @Factory public static Object[] compatibilityTests() throws Exception {
+        Browser.LOG.setLevel(Level.FINE);
+        Browser.LOG.addHandler(new ConsoleHandler());
+        
+        final BrowserBuilder bb = BrowserBuilder.newBrowser(new Browser("KoBrowserTest", new Browser.Config())).
+            loadClass(KoBrowserTest.class).
+            loadPage("empty.html").
+            invoke("initialized");
+
+        Executors.newSingleThreadExecutor().submit(new Runnable() {
+            @Override
+            public void run() {
+                bb.showAndWait();
+            }
+        });
+
+        List res = new ArrayList();
+        Class test = 
+            loadClass().getClassLoader().loadClass(KOTest.class.getName()).
+            asSubclass(Annotation.class);
+
+        Class[] arr = (Class[]) loadClass().getDeclaredMethod("tests").invoke(null);
+
+        final HttpServer s = Browser.findServer(browserPresenter);
+        ServerConfiguration conf = s.getServerConfiguration();
+        conf.addHttpHandler(new DynamicHTTP(s), "/dynamic");
+        for (Class c : arr) {
+            for (Method m : c.getMethods()) {
+                if (m.getAnnotation(test) != null) {
+                    res.add(new KOScript(browserPresenter, m));
+                }
+            }
+        }
+        return res.toArray();
+    }
+    
+    public static Class[] tests() {
+        return testClasses();
+    }
+
+    static synchronized Class loadClass() throws InterruptedException {
+        while (browserClass == null) {
+            KoBrowserTest.class.wait();
+        }
+        return browserClass;
+    }
+    
+    public static synchronized void ready(Class browserCls) throws Exception {
+        browserClass = browserCls;
+        browserPresenter = Fn.activePresenter();
+        KoBrowserTest.class.notifyAll();
+    }
+    
+    public static void initialized() throws Exception {
+        browserPresenter = Fn.activePresenter();
+        Class classpathClass = ClassLoader.getSystemClassLoader().loadClass(KoBrowserTest.class.getName());
+        Method m = classpathClass.getMethod("ready", Class.class);
+        m.invoke(null, KoBrowserTest.class);
+    }
+
+    @Override
+    public BrwsrCtx createContext() {
+        KO4J ko = new KO4J();
+        Contexts.Builder b = Contexts.newBuilder();
+        b.register(Technology.class, ko.knockout(), 7);
+        b.register(Transfer.class, ko.transfer(), 7);
+        assertNotNull(browserPresenter, "Presenter needs to be registered");
+        b.register(Executor.class, (Executor)browserPresenter, 10);
+        return b.build();
+    }
+
+    @Override
+    public boolean canFailWebSocketTest() {
+        return true;
+    }
+
+    @Override
+    public Object createJSON(Map values) {
+        Object json = putValue(null, null, null);
+        for (Map.Entry entry : values.entrySet()) {
+            json = putValue(json, entry.getKey(), entry.getValue());
+        }
+        return json;
+    }
+
+    private Fn jsonFn;
+    private Object putValue(Object json, String key, Object value) {
+        if (jsonFn == null) {
+            jsonFn = Fn.activePresenter().defineFn(
+                "if (json === null) json = new Object();"
+                + "if (key !== null) json[key] = value;"
+                + "return json;",
+                "json", "key", "value"
+            );
+        }
+        try {
+            return jsonFn.invoke(null, json, key, value);
+        } catch (Exception ex) {
+            throw new IllegalStateException(ex);
+        }
+    }
+    
+    private Fn executeScript;
+    @Override
+    public Object executeScript(String script, Object[] arguments) {
+        if (executeScript == null) {
+            executeScript = Fn.activePresenter().defineFn(
+                "var f = new Function(s); "
+              + "return f.apply(null, args);",
+              "s", "args"
+            );
+        }
+        try {
+            return executeScript.invoke(null, script, arguments);
+        } catch (Exception ex) {
+            throw new IllegalStateException(ex);
+        }
+    }
+
+    @JavaScriptBody(args = {  }, body = 
+          "var h;"
+        + "if (!!window && !!window.location && !!window.location.href)\n"
+        + "  h = window.location.href;\n"
+        + "else "
+        + "  h = null;"
+        + "return h;\n"
+    )
+    private static native String findBaseURL();
+    
+    @Override
+    public URI prepareURL(String content, String mimeType, String[] parameters) {
+        try {
+            final URL baseURL = new URL(findBaseURL());
+            StringBuilder sb = new StringBuilder();
+            sb.append("/dynamic?mimeType=").append(mimeType);
+            for (int i = 0; i < parameters.length; i++) {
+                sb.append("¶m").append(i).append("=").append(parameters[i]);
+            }
+            String mangle = content.replace("\n", "%0a")
+                .replace("\"", "\\\"").replace(" ", "%20");
+            sb.append("&content=").append(mangle);
+
+            URL query = new URL(baseURL, sb.toString());
+            URLConnection c = query.openConnection();
+            BufferedReader br = new BufferedReader(new InputStreamReader(c.getInputStream()));
+            URI connectTo = new URI(br.readLine());
+            return connectTo;
+        } catch (IOException ex) {
+            throw new IllegalStateException(ex);
+        } catch (URISyntaxException ex) {
+            throw new IllegalStateException(ex);
+        }
+    }
+}
diff --git a/browser/src/test/java/com/dukescript/presenters/ServerTest.java b/browser/src/test/java/com/dukescript/presenters/ServerTest.java
new file mode 100644
index 00000000..a73b1873
--- /dev/null
+++ b/browser/src/test/java/com/dukescript/presenters/ServerTest.java
@@ -0,0 +1,137 @@
+package com.dukescript.presenters;
+
+/*
+ * #%L
+ * DukeScript Presenter for any Browser - a library from the "DukeScript Presenters" project.
+ *
+ * Dukehoff GmbH designates this particular file as subject to the "Classpath"
+ * exception as provided in the README.md file that accompanies this code.
+ * %%
+ * Copyright (C) 2015 - 2019 Dukehoff GmbH
+ * %%
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public
+ * License along with this program.  If not, see
+ * .
+ * #L%
+ */
+
+import com.dukescript.presenters.renderer.Show;
+import java.io.IOException;
+import java.io.InputStream;
+import java.net.ServerSocket;
+import java.net.URI;
+import java.net.URL;
+import net.java.html.boot.BrowserBuilder;
+import net.java.html.js.JavaScriptBody;
+import org.testng.Assert;
+import static org.testng.Assert.assertEquals;
+import static org.testng.Assert.assertTrue;
+import static org.testng.Assert.fail;
+import org.testng.annotations.Test;
+
+public class ServerTest {
+    @Test
+    public void useAsAServer() throws Exception {
+        final Thread main = Thread.currentThread();
+        final int[] loaded = { 0 };
+
+        int serverPort = selectFreePort();
+
+        Browser server = new Browser(
+            new Browser.Config()
+            .command("NONE")
+            .port(serverPort)
+        );
+        BrowserBuilder builder = BrowserBuilder.newBrowser(server)
+            .loadPage("server.html")
+            .loadFinished(() -> {
+                setLoaded("" + ++loaded[0]);
+                closeSoon(5000);
+            });
+        builder.showAndWait();
+
+        URL connect = new URL("http://localhost:" + serverPort);
+        InputStream is = connect.openStream();
+        Assert.assertNotNull(is, "Connection opened");
+        byte[] arr = new byte[4096];
+        int len = is.read(arr);
+        is.close();
+
+        final String page = new String(arr, 0, len, "UTF-8");
+        assertTrue(page.contains("
Server
"), "Server page loaded OK:\n" + page);
+
+        show(connect.toURI());
+
+        awaitLoaded(1, loaded);
+        assertEquals(loaded[0], 1, "Connection has been opened");
+
+        show(connect.toURI());
+
+        awaitLoaded(2, loaded);
+        assertEquals(loaded[0], 2, "Second connection has been opened");
+
+        server.close();
+        try {
+            InputStream unavailable = connect.openStream();
+            fail("Stream can no longer be opened: " + unavailable);
+        } catch (IOException ex) {
+            // OK
+        }
+    }
+
+    private static int selectFreePort() throws IOException {
+        ServerSocket temp = new ServerSocket();
+        temp.bind(null);
+        int port = temp.getLocalPort();
+        temp.close();
+        return port;
+    }
+
+    private static void awaitLoaded(int expected, int[] counter) throws InterruptedException {
+        int cnt = 100;
+        while (cnt-- > 0 && counter[0] != expected) {
+            Thread.sleep(100);
+        }
+    }
+
+    @JavaScriptBody(args = { "value" }, body = "document.getElementById('loaded').innerHTML = value;")
+    private static native void setLoaded(String value);
+
+    @JavaScriptBody(args = { "ms" }, body = "window.setTimeout(function() { window.close(); }, ms);")
+    private static native void closeSoon(int ms);
+
+    private static void show(URI page) throws IOException {
+        IOException one, two;
+        try {
+            String ui = System.getProperty("os.name").contains("Mac")
+                    ? "Cocoa" : "GTK";
+            Show.show(ui, page);
+            return;
+        } catch (IOException ex) {
+            one = ex;
+        }
+        try {
+            Show.show("AWT", page);
+            return;
+        } catch (IOException ex) {
+            two = ex;
+        }
+        try {
+            Show.show(null, page);
+        } catch (IOException ex) {
+            two.initCause(one);
+            ex.initCause(two);
+            throw ex;
+        }
+    }
+}
diff --git a/browser/src/test/resources/com/dukescript/presenters/empty.html b/browser/src/test/resources/com/dukescript/presenters/empty.html
new file mode 100644
index 00000000..3bb2554b
--- /dev/null
+++ b/browser/src/test/resources/com/dukescript/presenters/empty.html
@@ -0,0 +1,37 @@
+
+
+
+    
+        Browser Test
+        
+        
+    
+    
+        
Browser Test

+        

+        
+    
+
diff --git a/browser/src/test/resources/com/dukescript/presenters/server.html b/browser/src/test/resources/com/dukescript/presenters/server.html
new file mode 100644
index 00000000..9f089e64
--- /dev/null
+++ b/browser/src/test/resources/com/dukescript/presenters/server.html
@@ -0,0 +1,38 @@
+
+
+
+    
+        Server
+        
+        
+    
+    
+        
Server

+        

+            Loaded ? times.
+        

+    
+
diff --git a/generic/pom.xml b/generic/pom.xml
new file mode 100644
index 00000000..cc907726
--- /dev/null
+++ b/generic/pom.xml
@@ -0,0 +1,101 @@
+
+
+    4.0.0
+    
+        com.dukescript.presenters
+        pom
+        2.0-SNAPSHOT
+    
+    
+    generic
+    DukeScript Generic Presenter
+    jar
+    2.0-SNAPSHOT
+    
+        ${project.parent.basedir}
+    
+
+    
+        
+            org.netbeans.html
+            net.java.html.boot
+            jar
+            ${net.java.html.version}
+        
+        
+            org.testng
+            testng
+            ${testng.version}
+            test
+        
+        
+            org.netbeans.html
+            net.java.html.json.tck
+            test
+            jar
+            ${net.java.html.version}
+        
+        
+            com.dukescript.api
+            strings
+            ${project.version}
+            provided
+        
+    
+    
+        
+            
+                org.apache.maven.plugins
+                maven-compiler-plugin
+                
+                    
+                        ${project.version}
+                    
+                    1.6
+                    1.6
+                    1.8
+                    1.8
+                
+            
+            
+                org.apache.maven.plugins
+                maven-deploy-plugin
+                
+                    false
+                
+            
+            
+                org.apache.maven.plugins
+                maven-javadoc-plugin
+                
+                    com.dukescript.presenters.spi
+                
+                
+                    
+                        attach-javadocs
+                        
+                            jar
+                        
+                    
+                
+            
+            
+                org.netbeans.html
+                html4j-maven-plugin
+                ${net.java.html.version}
+                
+                    
+                        test-classes
+                        process-test-classes
+                        
+                            process-js-annotations
+                        
+                        
+                            ${project.build.directory}/test-classes
+                        
+                    
+                
+               
+        
+    
+
diff --git a/generic/src/main/java/com/dukescript/presenters/spi/Generic.java b/generic/src/main/java/com/dukescript/presenters/spi/Generic.java
new file mode 100644
index 00000000..4327b728
--- /dev/null
+++ b/generic/src/main/java/com/dukescript/presenters/spi/Generic.java
@@ -0,0 +1,959 @@
+package com.dukescript.presenters.spi;
+
+/*
+ * #%L
+ * DukeScript Generic Presenter - a library from the "DukeScript Presenters" project.
+ * 
+ * Dukehoff GmbH designates this particular file as subject to the "Classpath"
+ * exception as provided in the README.md file that accompanies this code.
+ * %%
+ * Copyright (C) 2015 - 2019 Dukehoff GmbH
+ * %%
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ * 
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public
+ * License along with this program.  If not, see
+ * .
+ * #L%
+ */
+
+import java.io.Flushable;
+import java.io.IOException;
+import java.io.Reader;
+import java.lang.ref.PhantomReference;
+import java.lang.ref.Reference;
+import java.lang.ref.ReferenceQueue;
+import java.lang.ref.WeakReference;
+import java.lang.reflect.Array;
+import java.lang.reflect.Method;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.LinkedList;
+import java.util.List;
+import java.util.Map;
+import java.util.NavigableSet;
+import java.util.Set;
+import java.util.TreeSet;
+import java.util.concurrent.CountDownLatch;
+import java.util.concurrent.atomic.AtomicInteger;
+import org.netbeans.html.boot.spi.Fn;
+import com.dukescript.api.strings.Texts;
+
+abstract class Generic implements Fn.Presenter, Fn.KeepAlive, Flushable {
+    private String msg;
+    private Item call;
+    private final NavigableSet exported;
+    private final int key;
+    private final boolean synchronous;
+    private final boolean evalJS;
+    private final String type;
+    private final String app;
+    private final CountDownLatch initialized = new CountDownLatch(1);
+    
+    Generic(
+        boolean synchronous, boolean evalJS, String type, String app
+    ) {
+        this.exported = new TreeSet();
+        this.key = (int)(System.currentTimeMillis() / 777) % 1000;
+        this.synchronous = synchronous;
+        this.evalJS = evalJS;
+        this.type = type;
+        this.app = app;
+    }
+    
+    final Object lock() {
+        return initialized;
+    }
+    
+    abstract void log(Level level, String msg, Object... args);
+    
+    @Texts({
+        "begin=try {\n"
+        + "  @1('r', 'OK', 'OK', null, null);\n"
+        + "} catch (e) {\n"
+        + "  console.warn(e);\n"
+        + "}\n",
+        
+        "init=(function(global) {"
+            + "\n  var fncns = new Array();"
+            + "\n  var js2j = new Array();"
+            + "\n  function jobject(id,value) { this.id = id; this.v = value; return this; };"
+            + "\n  jobject.prototype['native'] = true;"
+            + "\n  jobject.prototype.valueOf = function() { return this.v ? this.v : '[jobject ' + this.id + ']'; };"
+            + "\n  jobject.prototype.toString = jobject.prototype.valueOf;"
+            + "\n  var toVM = global['@2'];"
+            + "\n  delete global['@2'];"
+            + "\n  if (typeof toVM !== 'function') {"
+            + "\n    throw 'toVM should be a function: ' + toVM;"
+            + "\n  }"
+            + "\n  function toJava(method, r) {"
+            + "\n      var t = typeof r;"
+            + "\n      if (t === 'function') t = 'object';"
+            + "\n      if (t === 'undefined' || r === null) {"
+            + "\n        t = 'null';"
+            + "\n        r = null;"
+            + "\n      } else if (t === 'object') {"
+            + "\n        if (r['native']) {"
+            + "\n          t = 'java';"
+            + "\n          r = r.id;"
+            + "\n        } else if (Object.prototype.toString.call(r) === '[object Array]') {"
+            + "\n        t = 'array';"
+            + "\n        var l = r.length + ':';"
+            + "\n        for (var i = 0; i < r.length; i++) {"
+            + "\n            var toObj = toJava(null, r[i]);"
+            + "\n            l += toObj.length + ':' + toObj;"
+            + "\n          }"
+            + "\n          r = l;"
+            + "\n        } else {"
+            + "\n          var size = js2j.length;"
+            + "\n          js2j.push(r);"
+            + "\n          r = size;"
+            + "\n        }"
+            + "\n      }"
+            + "\n      if (method !== null) toVM(method, t, r, null, null);"
+            + "\n      else return t + ':' + r;"
+            + "\n  }"
+            + "\n  var impl = {};"
+            + "\n  impl.key = @1;"
+            + "\n  global.ds = function(key) {"
+            + "\n    if (key != impl.key) {"
+            + "\n      impl = null;"
+            + "\n      console.warn('Surprising access to Java with ' + key);"
+            + "\n    }"
+            + "\n    return impl;"
+            + "\n  };"
+            + "\n  impl.toJava = toJava;"
+            + "\n  impl.rg = function(id, fn) {"
+            + "\n    fncns[id] = fn;"
+            + "\n  };"
+            + "\n  impl.fn = function(index, n, self) {"
+            + "\n    var args = Array.prototype.slice.call(arguments, 3);"
+            + "\n    try {"
+            + "\n      var fn = fncns[index];"
+            + "\n      if (typeof fn !== 'function') throw 'Cannot find function at index: ' + index + ' in ' + fn + ' apply: ' + (fn ? fn.apply : undefined);"
+            + "\n      var r = fn.apply(self, args);"
+            + "\n      if (n) toJava('r', r);"
+            + "\n    } catch (err) {"
+            + "\n      if (typeof console !== 'undefined') console.warn('Error ' + err + ' at:\\n' + err.stack);"
+            + "\n      if (n) toVM('r', 'error', '' + err + ' at:\\n' + err.stack, null, null);"
+            + "\n    }"
+            + "\n  };"
+            + "\n  impl.o = function(i) {"
+            + "\n    return js2j[i];"
+            + "\n  };"
+            + "\n  impl.j = function(n,v) {"
+            + "\n   var r = new jobject(n,v);"
+            + "\n   if (arguments.length > 2) {"
+            + "\n     for (var i = 2; i < arguments.length; i++) {"
+            + "\n       r[i - 2] = arguments[i];"
+            + "\n     }"
+            + "\n     r.length = arguments.length - 2;"
+            + "\n   }"
+            + "\n   return r;"
+            + "\n  };"
+            + "\n  impl.v = function(i) {"
+            + "\n    return fncns[i];"
+            + "\n  };"
+            + "\n  impl.toVM = toVM;"
+            + "\n  impl.toVM('r', 'OK', 'Initialized', null, null);"
+            + "\n})(this);",
+
+        "error=Cannot initialize DukeScript: @1",
+        "version=$version"
+    })
+    final void init() {
+        if (msg != null) {
+            for (;;) {
+                try {
+                    log(Level.FINE, "Awaiting as of {0}", msg);
+                    initialized.await();
+                    log(Level.FINE, "Waiting is over");
+                    return;
+                } catch (InterruptedException ex) {
+                    log(Level.INFO, "Interrupt", ex);
+                }
+            }
+        }
+        this.msg = "";
+        callbackFn(new ProtoPresenterBuilder.OnPrepared() {
+            @Override
+            public void callbackIsPrepared(String clbk) {
+                log(Level.FINE, "callbackReady with {0}", clbk);
+                loadJS(Strings.begin(clbk).toString());
+                log(Level.FINE, "checking OK state");
+                if (!assertOK()) {
+                    final CharSequence err = Strings.error(msg);
+                    log(Level.WARNING, "no OK: {0}", err);
+                    throw new IllegalStateException(err.toString());
+                }
+                log(Level.FINE, "assertOK");
+
+                loadJS(Strings.init(key, clbk).toString());
+
+                log(Level.FINE, "callbackReady: countingDown");
+                initialized.countDown();
+            }
+        });
+    }
+
+    /** @return the name of the callback function */
+    abstract void callbackFn(ProtoPresenterBuilder.OnPrepared onReady);
+    abstract void loadJS(String js);
+    
+    public final String js2java(String method,
+        String a1, String a2, String a3, String a4
+    ) throws Exception {
+        if ("r".equals(method)) {
+            result(a1, a2);
+            return null;
+        } else if ("c".equals(method)) {
+            return javacall(a1, a2, a3, a4);
+        } else if ("jr".equals(method)) {
+            return javaresult();
+        } else {
+            throw new IllegalArgumentException(method);
+        }
+    }
+    
+    abstract void dispatch(Runnable r);
+
+    /** Makes sure all pending calls into JavaScript are immediately 
+     * performed. 
+     * 
+     * @throws IOException if something goes wrong
+     */
+    @Override
+    public void flush() throws IOException {
+        if (initialized.getCount() == 0) {
+            flushImpl();
+        }
+    }
+    
+    @Override
+    public Fn defineFn(String code, String[] names, boolean[] keepAlive) {
+        init();
+        return new GFn(code, names, keepAlive);
+    }    
+    
+    @Override
+    public Fn defineFn(String code, String... names) {
+        init();
+        return new GFn(code, names, null);
+    }
+    
+    private static final class Key extends WeakReference {
+        private int hash;
+        
+        public Key(Object obj) {
+            super(obj);
+            this.hash = System.identityHashCode(obj);
+        }
+
+        @Override
+        public int hashCode() {
+            int hash = 7;
+            hash = 47 * hash + this.hash;
+            return hash;
+        }
+
+        @Override
+        public boolean equals(Object obj) {
+            if (obj instanceof Key) {
+                Key other = (Key)obj;
+                if (hash != other.hash) {
+                    return false;
+                }
+                return true;
+            }
+            return false;
+        }
+    }
+    
+    private Map ids = new HashMap();
+    int identityHashCode(Object o) {
+        Key k = new Key(o);
+        Integer val = ids.get(k);
+        if (val == null) {
+            int s = ids.size();
+            ids.put(k, s);
+            return s;
+        }
+        return val;
+    }
+    
+    final int registerObject(Object o, boolean weak, boolean[] justAdded, String[] valueOf) {
+        if (o instanceof Enum && valueOf != null) {
+            valueOf[0] = o.toString();
+        }
+        int id = identityHashCode(o);
+        for (;;) {
+            Object exp = findObject(id);
+            if (o == exp) {
+                return id;
+            }
+            if (exp == null) {
+                if (justAdded != null) {
+                    justAdded[0] = true;
+                }
+                exported.add(new Exported(id, weak, o));
+                return id;
+            }
+            throw new IllegalStateException("Collision!");
+        }
+    }
+    
+    final Object findObject(int id) {
+        Exported obj = exported.floor(new Exported(id, false, null));
+        return obj == null || obj.id != id ? null : obj.get();
+    }
+    
+    @Texts({
+        "fnHead=var jsvm = {};\n",
+        "fnName=jsvm.@1 = function(",
+        "fnThiz=thiz",
+        "fnNoThiz=  var thiz = null;\n",
+        "fnSep=,",
+        "fnParam=p@1",
+        "fnClose=) {\n",
+        "fnBegin=  var encParams = ds(@1).toJava(null, [",
+        "fnPPar=@2 p@1",
+        "fnBody=]);\n" +
+            "  var v = ds(@3).toVM('c', @1, '@2', thiz ? thiz.id : null, encParams);\n" +
+            "  while (v !== null && v.indexOf && v.indexOf('javascript:') === 0) {\n" +
+            "    var script = v.substring(11);\n" +
+            "    try {\n" +
+            "      var r = eval.call(null, script);\n" +
+            "    } catch (e) {  console.warn('error: ' + e + ' executing: ' + script + ' at:\\n' + e.stack); }\n" +
+            "    v = ds(@3).toVM('jr', null, null, null, null);" +
+            "  }\n" +
+            "  return @4 ? eval('(' + v + ')') : v;\n" +
+            "};\n",
+        
+        "fnFoot=ds(@2).rg(@1, jsvm);\n"
+    })
+    final Integer exportVm(Object vm) {
+        int jNumber = registerObject(vm, false, null, null);
+        int vmNumber = COUNTER.getAndIncrement();
+        StringBuilder sb = new StringBuilder();
+        sb.append(Strings.fnHead());
+        for (Method m : vm.getClass().getMethods()) {
+            if (m.getDeclaringClass() == Object.class) {
+                continue;
+            }
+            final Class[] types = m.getParameterTypes();
+            boolean instanceMethod = 
+                types.length > 0 && 
+                m.getName().startsWith(types[0].getName().replace('.', '_') + "$");
+            int params = instanceMethod ? types.length - 1 : types.length;
+            sb.append(Strings.fnName(m.getName()));
+            String sep;
+            if (instanceMethod) {
+                sb.append(Strings.fnThiz());
+                sep = Strings.fnSep();
+            } else {
+                sep = "";
+            }
+            for (int i = 0; i < params; i++) {
+                sb.append(sep);
+                sb.append(Strings.fnParam(i));
+                sep = Strings.fnSep();
+            }
+            sb.append(Strings.fnClose());
+            if (!instanceMethod) {
+                sb.append(Strings.fnNoThiz());
+            }
+            sb.append(Strings.fnBegin(key));
+            for (int i = 0; i < params; i++) {
+                sb.append(Strings.fnPPar(i, i == 0 ? "" : ","));
+            }
+            sb.append(Strings.fnBody(jNumber, m.getName(), key, evalJS));
+        }
+        sb.append(Strings.fnFoot(vmNumber, key));
+        deferExec(sb);
+        return vmNumber;
+    }
+
+    @Texts({
+        "v_null=null",
+        "v_number=number",
+        "v_java=java",
+        "v_object=object",
+        "v_array=array",
+        "v_boolean=boolean",
+        "v_error=error"
+    })
+    final Object valueOf(String typeof, String res) {
+        if (Strings.v_null().equals(typeof)) { // NOI18N
+            return null;
+        }
+        if (Strings.v_number().equals(typeof)) { // NOI18N
+            return Double.valueOf(res);
+        }
+        if (Strings.v_java().equals(typeof)) { // NOI18N
+            return findObject(Integer.parseInt(res));
+        }
+        if (Strings.v_object().equals(typeof)) { // NOI18N
+            return new JSObject(Integer.parseInt(res));
+        }
+        if (Strings.v_array().equals(typeof)) { // NOI18N
+            int at = res.indexOf(':');
+            int size = Integer.parseInt(res.substring(0, at));
+            Object[] arr = new Object[size];
+            at++;
+            for (int i = 0; i < size; i++) {
+                int next = res.indexOf(':', at);
+                int length = Integer.parseInt(res.substring(at, next));
+                at = next + 1 + length;
+                arr[i] = valueOf(res.substring(next + 1, at));
+            }
+            return arr;
+        }
+        if (Strings.v_boolean().equals(typeof)) { // NOI18N
+            return Boolean.valueOf(res);
+        }
+        if (Strings.v_error().equals(typeof)) { // NOI18N
+            throw new IllegalStateException(res);
+        }
+        return res;
+    }
+    
+    final Object valueOf(String typeAndValue) {
+        int colon = typeAndValue.indexOf(':');
+        return valueOf(typeAndValue.substring(0, colon), typeAndValue.substring(colon + 1));
+    }
+
+    final void encodeObject(Object a, boolean weak, StringBuilder sb, int[] vmId) {
+        if (a == null) {
+            sb.append(Strings.v_null());
+        } else if (a.getClass().isArray()) {
+            int len = Array.getLength(a);
+            sb.append('[');
+            String sep = "";
+            for (int i = 0; i < len; i++) {
+                Object o = Array.get(a, i);
+                sb.append(sep);
+                encodeObject(o, weak, sb, null);
+                sep = ",";
+            }
+            sb.append(']');
+        } else if (a instanceof Number) {
+            sb.append(a.toString());
+        } else if (a instanceof String) {
+            sb.append('"');
+            String s = (String)a;
+            int len = s.length();
+            for (int i = 0; i < len; i++) {
+                char ch = s.charAt(i);
+                switch (ch) {
+                    case '\\': sb.append("\\\\"); break;
+                    case '\n': sb.append("\\n"); break;
+                    case '\"': sb.append("\\\""); break;
+                    default:
+                        sb.append(ch);
+                        break;
+                }
+            }
+            sb.append('"');
+        } else if (a instanceof Boolean) {
+            sb.append(a.toString());
+        } else if (a instanceof Character) {
+            sb.append((int)(Character)a);
+        } else if (a instanceof JSObject) {
+            sb.append("ds(").append(key).append(").o(").append(((JSObject) a).index).append(")");
+        } else {
+            if (vmId != null) {
+                sb.append("ds(").append(key).append(").v(").append(vmId[0]).append(")");
+            } else {
+                String[] valueOf = { null };
+                sb.append("ds(").append(key).append(").j(").append(registerObject(a, weak, null, valueOf));
+                sb.append(",");
+                encodeObject(valueOf[0], weak, sb, null);
+                if (a instanceof Object[]) {
+                    for (Object n : ((Object[])a)) {
+                        sb.append(",");
+                        encodeObject(n, weak, sb, null);
+                    }
+                }
+                sb.append(")");
+            }
+        }
+    }
+
+    interface OnReady {
+        void callbackReady(String name);
+    }
+    
+    private class Item implements Runnable {
+        final Item prev;
+        Boolean done;
+
+        final Method method;
+        final Object thiz;
+        final Object[] params;
+        Object result;
+        
+        Item(Item prev, Method method, Object thiz, Object[] params) {
+            this.prev = prev;
+            this.method = method;
+            this.thiz = thiz;
+            this.params = adaptParams(method, Arrays.asList(params));
+            this.toExec = null;
+        }
+        
+        
+        protected final String inJavaScript(boolean[] finished) {
+            if (this.method != null) {
+                return js(finished);
+            } else {
+                return sj(finished);
+            }
+        }
+        protected final void inJava() {
+            if (this.method == null) {
+                return;
+            }
+            if (done == null) {
+                done = false;
+                try {
+                    log(Level.FINE, "Calling {0}", method);
+                    result = method.invoke(thiz, params);
+                } catch (Exception ex) {
+                    log(Level.SEVERE, "Cannot invoke " + method + " on " + thiz + " with " + Arrays.toString(params), ex);
+                } finally {
+                    done = true;
+                    log(Level.FINE, "Result: {0}", result);
+                }
+            }
+        }
+        
+        @Override public void run() {
+            synchronized (lock()) {
+                log(Level.FINE, "run: {0}", this);
+                inJava();
+                lock().notifyAll();
+            }
+        }
+        
+
+        protected String js(boolean[] finished) {
+            if (Boolean.TRUE.equals(done)) {
+                StringBuilder sb = new StringBuilder();
+                encodeObject(result, false, sb, null);
+                finished[0] = true;
+                return sb.toString();
+            }
+            return null;
+        }
+
+        private final String toExec;
+        private String typeof;
+        
+        public Item(Item prev, String toExec) {
+            this.prev = prev;
+            this.toExec = toExec;
+            
+            this.method = null;
+            this.params = null;
+            this.thiz = null;
+        }
+
+        protected String sj(boolean[] finished) {
+            finished[0] = false;
+            if (Boolean.TRUE.equals(done)) {
+                return null;
+            }
+            done = true;
+            return "javascript:" + toExec;
+        }
+
+        protected final void result(String typeof, String result) {
+            if (this.method != null) {
+                throw new UnsupportedOperationException();
+            }
+            this.typeof = typeof;
+            this.result = result;
+            log(Level.FINE, "result ({0}): {1} for {2}", typeof, result, toExec);
+        }
+    } // end of Item
+    
+    final void result(String typeof, String res) {
+        log(Level.FINE, "result@{0}: {1}", typeof, res);
+        synchronized (lock()) {
+            if ("OK".equals(typeof)) {
+                log(Level.FINE, "init: {0}", res);
+                this.msg = res;
+                lock().notifyAll();
+                return;
+            }
+            call.result(typeof, res);
+            call = call.prev;
+            lock().notifyAll();
+        }
+    }
+
+    final String javacall(
+            String vmNumber, String fnName, String thizId, String encParams
+    ) throws Exception {
+        synchronized (lock()) {
+            Object vm = findObject(Integer.parseInt(vmNumber));
+            assert vm != null;
+            final Object obj = thizId == null || "null".equals(thizId)
+                    ? null : valueOf("java", thizId);
+            Method method = null;
+            for (Method m : vm.getClass().getMethods()) {
+                if (m.getName().equals(fnName)) {
+                    method = m;
+                    break;
+                }
+            }
+            assert method != null;
+            List params = new ArrayList();
+            if (obj != null) {
+                params.add(obj);
+            }
+            params.addAll(Arrays.asList((Object[]) valueOf(encParams)));
+            Object[] converted = adaptParams(method, params);
+            boolean first = call == null;
+            log(Level.FINE, "jc: {0}@{1}args: {2} is first: {3}, now: {4}", new Object[]{method.getName(), vm, params, first, call});
+            call = new Item(call, method, vm, converted);
+            if (first || synchronous) {
+                if (call != null) {
+                    dispatch(call);
+                }
+            } else {
+                lock().notifyAll();
+            }
+            return javaresult();
+        }
+    }
+
+    final String javaresult() throws IllegalStateException, InterruptedException {
+        synchronized (lock()) {
+            boolean[] finished = {false};
+            for (;;) {
+                if (deferred != null) {
+                    deferred.insert(0, "javascript:");
+                    String ret = deferred.toString();
+                    deferred = null;
+                    return ret;
+                }
+                finished[0] = false;
+                String jsToExec = call.inJavaScript(finished);
+                log(Level.FINE, "jr: {0} jsToExec: {1} finished: {2}", new Object[]{call, jsToExec, finished[0]});
+                if (jsToExec != null) {
+                    if (finished[0]) {
+                        call = call.prev;
+                    }
+                    return jsToExec;
+                }
+                lock().wait();
+            }
+        }
+    }
+
+    private StringBuilder deferred;
+    private Collection arguments = new LinkedList();
+
+    public final void loadScript(final Reader reader) throws Exception {
+        StringBuilder sb = new StringBuilder();
+        char[] arr = new char[4092];
+        for (;;) {
+            int len = reader.read(arr);
+            if (len == -1) {
+                break;
+            }
+            sb.append(arr, 0, len);
+        }
+        deferExec(sb);
+    }
+
+
+    final void deferExec(StringBuilder sb) {
+        synchronized (lock()) {
+            log(Level.FINE, "deferExec: {0} empty: {1}, call: {2}", new Object[]{sb, deferred == null, call});
+            if (deferred == null) {
+                deferred = sb;
+            } else {
+                deferred.append(sb);
+            }
+        }
+    }
+
+    @Texts({
+        "flushExec=\n\nds(@1).toJava('r',null);\n"
+    })
+    void flushImpl() {
+        synchronized (lock()) {
+            if (deferred != null) {
+                log(Level.FINE, "flush: {0}", deferred);
+                exec(Strings.flushExec(key).toString());
+            }
+        }
+    }
+
+    Object exec(String fn) {
+        Object ret;
+        boolean first;
+        synchronized (lock()) {
+            if (deferred != null) {
+                deferred.append(fn);
+                fn = deferred.toString();
+                deferred = null;
+                log(Level.FINE, "Flushing {0}", fn);
+            }
+
+            Item myCall;
+            boolean load;
+            if (call != null) {
+                call = myCall = new Item(call, fn);
+                lock().notifyAll();
+                load = synchronous;
+                first = false;
+            } else {
+                call = myCall = new Item(null, null);
+                load = true;
+                first = true;
+            }
+            if (load) {
+                loadJS(fn);
+            }
+            for (;;) {
+                if (myCall.typeof != null) {
+                    break;
+                }
+                try {
+                    lock().wait();
+                } catch (InterruptedException ex) {
+                    log(Level.SEVERE, null, ex);
+                }
+                if (call != null) {
+                    call.inJava();
+                }
+                lock().notifyAll();
+            }
+            ret = valueOf(myCall.typeof, (String) myCall.result);
+        }
+        if (first) {
+            arguments.clear();
+        }
+        return ret;
+    }
+
+    final boolean assertOK() {
+        synchronized (lock()) {
+            if (msg == null || msg.length() == 0) {
+                try {
+                    lock().wait(10000);
+                } catch (InterruptedException ex) {
+                    // OK, go on and check
+                }
+            }
+            return "OK".equals(msg) || "Initialized".equals(msg);
+        }
+    }
+    
+    private static Object[] adaptParams(Method toCall, List args) {
+        final Object[] arr = new Object[args.size()];
+        final Class[] types = toCall.getParameterTypes();
+        for (int i = 0; i < arr.length; i++) {
+            arr[i] = adaptType(types[i], args.get(i));
+        }
+        return arr;
+    }
+    
+    private static Object adaptType(Class type, Object value) {
+        if (type.isPrimitive() && value instanceof Number) {
+            final Number n = (Number)value;
+            if (type == Byte.TYPE) return n.byteValue();
+            if (type == Short.TYPE) return n.shortValue();
+            if (type == Integer.TYPE) return n.intValue();
+            if (type == Long.TYPE) return n.longValue();
+            if (type == Float.TYPE) return n.floatValue();
+            if (type == Double.TYPE) return n.doubleValue();
+            if (type == Character.TYPE) return (char)n.intValue();
+        }
+        return value;
+    }
+    
+    private static final class JSObject {
+        private final int index;
+
+        public JSObject(int index) {
+            this.index = index;
+        }
+
+        @Override
+        public int hashCode() {
+            return 37 * this.index;
+        }
+
+        @Override
+        public boolean equals(Object obj) {
+            if (obj == null) {
+                return false;
+            }
+            if (getClass() != obj.getClass()) {
+                return false;
+            }
+            final JSObject other = (JSObject) obj;
+            return this.index == other.index;
+        }
+
+        @Texts({
+            "jsObject=[jsobject-@1]"
+        })
+        @Override
+        public String toString() {
+            return Strings.jsObject(index).toString();
+        }
+        
+    } // end of JSObject
+    
+    static final AtomicInteger COUNTER = new AtomicInteger(0);
+    @Texts({
+        "registerFn=ds(@2).rg(@1, function(",
+        "registerCode=) {\n@1\n});",
+        "v_vm=vm"
+    })
+    private final class GFn extends Fn {
+        private final int id;
+        private final int[] vmId;
+        private final boolean[] keepAlive;
+        
+        public GFn(String code, String[] names, boolean[] ka) {
+            super(Generic.this);
+            this.id = COUNTER.getAndIncrement();
+            this.keepAlive = ka;
+            
+            StringBuilder sb = new StringBuilder(1024);
+            sb.append(Strings.registerFn(id, key));
+            String sep = "";
+            boolean isVm = false;
+            for (String n : names) {
+                sb.append(sep).append(n);
+                sep = ",";
+                isVm = false;
+                if (Strings.v_vm().equals(n)) {
+                    isVm = true;
+                }
+            }
+            sb.append(Strings.registerCode(code));
+            this.vmId = isVm ? new int[] { -1 } : null;
+            deferExec(sb);
+        }
+
+        @Override
+        public Object invoke(Object thiz, Object... args) throws Exception {
+            return invokeImpl(true, thiz, args);
+        }
+
+        @Override
+        public void invokeLater(Object thiz, Object... args) throws Exception {
+            invokeImpl(false, thiz, args);
+        }
+
+        @Texts({
+            "invokeImplFn=ds(@3).fn(@1, @2, "
+        })
+        private Object invokeImpl(boolean wait4js, Object thiz, Object... args) throws Exception {
+            if (vmId != null && vmId[0] < 0) {
+                vmId[0] = exportVm(args[args.length - 1]);
+            }
+            
+            StringBuilder sb = new StringBuilder(256);
+            sb.append(Strings.invokeImplFn(id, wait4js, key));
+            encodeObject(thiz, false, sb, null);
+            for (int i = 0; i < args.length; i++) {
+                sb.append(", ");
+                boolean weak = keepAlive != null && !keepAlive[i];
+                encodeObject(args[i], weak, sb, i == args.length - 1 ? vmId : null);
+            }
+            sb.append(");");
+            
+            arguments.add(thiz);
+            arguments.add(args);
+
+            if (wait4js) {
+                return exec(sb.toString());
+            } else {
+                deferExec(sb);
+                return null;
+            }
+        }
+    }
+    
+    private static final class Exported implements Comparable {
+        private final int id;
+        private final Object obj;
+        private final boolean ref;
+
+        Exported(int id, boolean ref, Object obj) {
+            this.id = id;
+            this.obj = ref ? createReferenceFor(obj) : obj;
+            this.ref = ref;
+            WeakHolder.clean();
+        }
+        
+        protected Object get() {
+            if (ref) {
+                return ((Reference)obj).get();
+            } else {
+                return obj;
+            }
+        }
+        
+        @Override
+        public int compareTo(Exported o) {
+            return id - o.id;
+        }
+
+        private static Object createReferenceFor(Object obj) {
+            Reference ref = new WeakReference(obj);
+            if (obj instanceof Reference) {
+                Reference myRef = (Reference) obj;
+                if (obj.getClass().getName().equals("org.netbeans.html.ko4j.Knockout")) {
+                    // workaround for #255677
+                    WeakHolder h = new WeakHolder(myRef.get(), obj);
+                    h.register();
+                }
+            }
+            return ref;
+        }
+    }
+
+    private static final class WeakHolder extends PhantomReference {
+        private static final ReferenceQueue QUEUE = new ReferenceQueue();
+        private static final Set active = new HashSet();
+        private final Object knockout;
+
+        public WeakHolder(Object referent, Object knockout) {
+            super(referent, QUEUE);
+            this.knockout = knockout;
+        }
+
+        static void clean() {
+            for (;;) {
+                WeakHolder h = (WeakHolder) QUEUE.poll();
+                if (h == null) {
+                    break;
+                }
+                active.remove(h);
+            }
+        }
+
+        void register() {
+            active.add(this);
+        }
+    }
+}
diff --git a/generic/src/main/java/com/dukescript/presenters/spi/Level.java b/generic/src/main/java/com/dukescript/presenters/spi/Level.java
new file mode 100644
index 00000000..ff962644
--- /dev/null
+++ b/generic/src/main/java/com/dukescript/presenters/spi/Level.java
@@ -0,0 +1,41 @@
+package com.dukescript.presenters.spi;
+
+/*
+ * #%L
+ * DukeScript Generic Presenter - a library from the "DukeScript Presenters" project.
+ *
+ * Dukehoff GmbH designates this particular file as subject to the "Classpath"
+ * exception as provided in the README.md file that accompanies this code.
+ * %%
+ * Copyright (C) 2015 - 2019 Dukehoff GmbH
+ * %%
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public
+ * License along with this program.  If not, see
+ * .
+ * #L%
+ */
+
+/** Logging levels similar to java.util.logging ones. */
+enum Level {
+    FINE, INFO, WARNING, SEVERE;
+
+    public int intValue() {
+        switch (this) {
+            case SEVERE: return 1000;
+            case WARNING: return 900;
+            case INFO: return 800;
+            case FINE: return 500;
+        }
+        return 0;
+    }
+}
diff --git a/generic/src/main/java/com/dukescript/presenters/spi/ProtoPresenter.java b/generic/src/main/java/com/dukescript/presenters/spi/ProtoPresenter.java
new file mode 100644
index 00000000..329b7b1c
--- /dev/null
+++ b/generic/src/main/java/com/dukescript/presenters/spi/ProtoPresenter.java
@@ -0,0 +1,60 @@
+package com.dukescript.presenters.spi;
+
+import java.io.Flushable;
+import org.netbeans.html.boot.spi.Fn;
+
+/*
+ * #%L
+ * DukeScript Generic Presenter - a library from the "DukeScript Presenters" project.
+ *
+ * Dukehoff GmbH designates this particular file as subject to the "Classpath"
+ * exception as provided in the README.md file that accompanies this code.
+ * %%
+ * Copyright (C) 2015 - 2019 Dukehoff GmbH
+ * %%
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public
+ * License along with this program.  If not, see
+ * .
+ * #L%
+ */
+
+/** The prototypical presenter. An implementation of a {@link Fn.Presenter} based on
+ * top of textual protocol transferred between JVM and JavaScript engines. Use
+ * {@link ProtoPresenterBuilder#newBuilder()} to construct instance of this
+ * interface.
+ */
+public interface ProtoPresenter extends Fn.Presenter, Fn.KeepAlive, Flushable {
+    /** Dispatches callback from JavaScript back into appropriate
+     * Java implementation. User of {@link ProtoPresenterBuilder} is expected
+     * to register {@link ProtoPresenterBuilder#preparator} and setup a JavaScript
+     * call to this method.
+     *
+     * @param method the type of call to make
+     * @param a1 first argument
+     * @param a2 second argument
+     * @param a3 third argument
+     * @param a4 fourth argument
+     * @return returned string
+     * @throws Exception if something goes wrong
+     */
+    String js2java(String method, String a1, String a2, String a3, String a4) throws Exception;
+
+    /** Looks for additional data stored in the presenter. Data
+     * can be registered via {@link ProtoPresenterBuilder#register} method.
+     *
+     * @param  the type of data to search for
+     * @param type exact type of the data
+     * @return found data or null
+     */
+     T lookup(Class type);
+}
diff --git a/generic/src/main/java/com/dukescript/presenters/spi/ProtoPresenterBuilder.java b/generic/src/main/java/com/dukescript/presenters/spi/ProtoPresenterBuilder.java
new file mode 100644
index 00000000..6fb38353
--- /dev/null
+++ b/generic/src/main/java/com/dukescript/presenters/spi/ProtoPresenterBuilder.java
@@ -0,0 +1,294 @@
+package com.dukescript.presenters.spi;
+
+import java.net.URL;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.concurrent.Executor;
+import org.netbeans.html.boot.spi.Fn;
+
+/*
+ * #%L
+ * DukeScript Generic Presenter - a library from the "DukeScript Presenters" project.
+ *
+ * Dukehoff GmbH designates this particular file as subject to the "Classpath"
+ * exception as provided in the README.md file that accompanies this code.
+ * %%
+ * Copyright (C) 2015 - 2019 Dukehoff GmbH
+ * %%
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public
+ * License along with this program.  If not, see
+ * .
+ * #L%
+ */
+
+/** The prototypical presenter builder. Builds a {@link Fn.Presenter} based on
+ * top of textual protocol transferred between JVM and JavaScript engines.
+ */
+public final class ProtoPresenterBuilder {
+    private Evaluator loadScript;
+    private Executor executor;
+    private Preparator onReady;
+    private boolean sync;
+    private boolean eval;
+    private String type;
+    private String app;
+    private Displayer displayer;
+    private Logger logger;
+    private boolean implementExecutor;
+    private final List data = new ArrayList();
+
+    private ProtoPresenterBuilder() {
+    }
+
+    /** Starts building new, customized instance of {@link ProtoPresenter}.
+     * @return new builder
+     */
+    public static ProtoPresenterBuilder newBuilder() {
+        return new ProtoPresenterBuilder();
+    }
+
+    /** Interfaces for evaluation of JavaScript code.
+     * Registered via {@link #loadJavaScript} method.
+     */
+    @FunctionalInterface
+    public interface Evaluator {
+        /** Evaluates (potentially asynchronously) given code in the JavaScript
+         * engine.
+         * @param code the code to evaluate
+         */
+        public void eval(String code);
+    }
+
+    /**
+     * Registers an implementation of {@link Evaluator}.
+     * @param loadScript the evaluator to use
+     * @param synchronous is the evaluator synchronous or asynchronous
+     * @return this builder
+     */
+    public ProtoPresenterBuilder loadJavaScript(Evaluator loadScript, boolean synchronous) {
+        this.loadScript = loadScript;
+        this.sync = synchronous;
+        return this;
+    }
+
+    /**
+     * Registers the executor to run all tasks in.
+     *
+     * @param executor the executor
+     * @param implementExecutor {@code true} if the presenter created
+     *   by {@link #build()} method should also implement the {@link Executor}
+     *   interface
+     * @return this builder
+     */
+    public ProtoPresenterBuilder dispatcher(Executor executor, boolean implementExecutor) {
+        this.executor = executor;
+        this.implementExecutor = implementExecutor;
+        return this;
+    }
+
+    /** Prepares the JavaScript environment. Defines a globally visible
+     * JavaScript function which takes five string arguments and
+     * then calls {@link ProtoPresenter#js2java(java.lang.String, java.lang.String, java.lang.String, java.lang.String, java.lang.String) }
+     * method of the {@link #build() created} {@link ProtoPresenter}.
+     * Once the function is ready, it should notify the system
+     * of the name of the function by calling {@link OnPrepared#callbackIsPrepared(java.lang.String)}.
+     */
+    @FunctionalInterface
+    public interface Preparator {
+        void prepare(OnPrepared onReady);
+    }
+
+    /** Callback to make when {@link Preparator#prepare(OnPrepared)} is
+     * finished.
+     */
+    public static abstract class OnPrepared {
+        OnPrepared() {
+        }
+
+        /** Called when callback function prepared by {@link Preparator#prepare}
+         * is ready.
+         *
+         * @param callbackFunctionName the name of created JavaScript function
+         */
+        public abstract void callbackIsPrepared(String callbackFunctionName);
+    }
+
+    /** Registers instance of {@link Preparator}.
+     *
+     * @param onReady the instance to use
+     * @param evalJavaScript is the result of function registered by {@link OnPrepared#callbackIsPrepared(java.lang.String)}
+     *   just a string (return {@code true}) or real JavaScript object (return {@code false})?
+     * @return this builder
+     */
+    public ProtoPresenterBuilder preparator(Preparator onReady, boolean evalJavaScript) {
+        this.onReady = onReady;
+        this.eval = evalJavaScript;
+        return this;
+    }
+
+    /** The type of the presenter (iOS, Android, etc.).
+     * @param type string to identify the presenter
+    * @return this builder
+    */
+    public ProtoPresenterBuilder type(String type) {
+        this.type = type;
+        return this;
+    }
+
+    /** The identification of the application.
+     *
+     * @param app string to identify the application
+     * @return this builder
+     */
+    public ProtoPresenterBuilder app(String app) {
+        this.app = app;
+        return this;
+    }
+
+    /** Interface to handle displaying of a URL.
+     * Register via {@link ProtoPresenterBuilder#displayer(org.netbeans.html.presenter.spi.ProtoPresenterBuilder.Displayer)}.
+     */
+    @FunctionalInterface
+    public interface Displayer {
+        /** Display given URL and callback when the page is ready.
+         *
+         * @param url the page to display
+         * @param onLoad callback to make when the page is ready
+         */
+        public void displayPage(URL url, Runnable onLoad);
+    }
+
+    /** Registers new displayer.
+     *
+     * @param displayer the instance of displayer.
+     * @return this builder
+     */
+    public ProtoPresenterBuilder displayer(Displayer displayer) {
+        this.displayer = displayer;
+        return this;
+    }
+
+    /** Registers additional data with the {@link ProtoPresenter}.The data can be obtained by {@link ProtoPresenter#lookup}.
+     * @param data instance of some data
+     * @return this builder
+     */
+    public ProtoPresenterBuilder register(Object data) {
+        this.data.add(data);
+        return this;
+    }
+
+    /** Implementation of a logging interface from the {@link ProtoPresenter}.
+     */
+    @FunctionalInterface
+    public interface Logger {
+        /** Log a message. Uses levels and message formats suitable for
+         * java.util.logging package.
+         *
+         * @param level value from 500-1000
+         * @param msg message with optional curly braces parameters
+         * @param args the parameter values
+         */
+        public void log(int level, String msg, Object... args);
+    }
+
+    /** Registers instance of logger.
+     *
+     * @param logger instance of logger - may be {@code null}
+     * @return this builder
+     */
+    public ProtoPresenterBuilder logger(Logger logger) {
+        this.logger = logger;
+        return this;
+    }
+
+    /** Builds instance of presenter based on registered values.
+     * @return instance of presenter
+     */
+    public ProtoPresenter build() {
+        if (implementExecutor) {
+            return new GenPresenterWithExecutor(this);
+        }
+        return new GenPresenter(this);
+    }
+
+    private static final class GenPresenterWithExecutor extends GenPresenter implements Executor {
+        GenPresenterWithExecutor(ProtoPresenterBuilder b) {
+            super(b);
+        }
+
+        @Override
+        public void execute(Runnable command) {
+            dispatch(command);
+        }
+    }
+
+    private static class GenPresenter extends Generic implements ProtoPresenter {
+        private final Evaluator loadScript;
+        private final Executor executor;
+        private final Preparator onReady;
+        private final Displayer displayer;
+        private final Logger logger;
+        private final Object[] data;
+
+        GenPresenter(ProtoPresenterBuilder b) {
+            super(b.sync, b.eval, b.type, b.app);
+            this.loadScript = b.loadScript;
+            this.executor = b.executor;
+            this.onReady = b.onReady;
+            this.displayer = b.displayer;
+            this.logger = b.logger;
+            this.data = b.data.toArray();
+        }
+
+        @Override
+        void log(Level level, String msg, Object... args) {
+            if (logger != null) {
+                logger.log(level.intValue(), msg, args);
+            }
+        }
+
+        @Override
+        void callbackFn(ProtoPresenterBuilder.OnPrepared onReady) {
+            this.onReady.prepare(onReady);
+        }
+
+        @Override
+        void loadJS(String js) {
+            loadScript.eval(js);
+        }
+
+        @Override
+        void dispatch(Runnable r) {
+            executor.execute(r);
+        }
+
+        @Override
+        public void displayPage(URL url, Runnable r) {
+            if (url == null && r == null) {
+                init();
+            } else {
+                displayer.displayPage(url, r);
+            }
+        }
+
+        @Override
+        public  T lookup(Class type) {
+            for (Object o : data) {
+                if (type == o.getClass()) {
+                    return type.cast(o);
+                }
+            }
+            return null;
+        }
+    }
+}
diff --git a/generic/src/test/java/com/dukescript/presenters/spi/ValueOfTest.java b/generic/src/test/java/com/dukescript/presenters/spi/ValueOfTest.java
new file mode 100644
index 00000000..f137ee93
--- /dev/null
+++ b/generic/src/test/java/com/dukescript/presenters/spi/ValueOfTest.java
@@ -0,0 +1,71 @@
+package com.dukescript.presenters.spi;
+
+/*
+ * #%L
+ * DukeScript Generic Presenter - a library from the "DukeScript Presenters" project.
+ * 
+ * Dukehoff GmbH designates this particular file as subject to the "Classpath"
+ * exception as provided in the README.md file that accompanies this code.
+ * %%
+ * Copyright (C) 2015 - 2019 Dukehoff GmbH
+ * %%
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ * 
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public
+ * License along with this program.  If not, see
+ * .
+ * #L%
+ */
+
+
+import com.dukescript.presenters.spi.ProtoPresenterBuilder;
+import com.dukescript.presenters.spi.Level;
+import com.dukescript.presenters.spi.Generic;
+import java.net.URL;
+import static org.testng.Assert.*;
+import org.testng.annotations.BeforeMethod;
+import org.testng.annotations.Test;
+
+public class ValueOfTest {
+    private Generic p;
+    @BeforeMethod public void initInstance() {
+        p = new Generic(true, true, "type", "app") {
+            @Override
+            void log(Level level, String msg, Object... args) {
+            }
+
+            @Override
+            void callbackFn(ProtoPresenterBuilder.OnPrepared onReady) {
+            }
+
+            @Override
+            void loadJS(String js) {
+            }
+
+            @Override
+            void dispatch(Runnable r) {
+            }
+
+            @Override
+            public void displayPage(URL url, Runnable r) {
+            }
+        };
+    }
+    
+    
+    @Test public void parseSimpleArray() {
+        Object res = p.valueOf("array:1:8:number:6");
+        assertTrue(res instanceof Object[], "It is an array: " + res);
+        Object[] arr = (Object[]) res;
+        assertEquals(arr.length, 1, "One array item");
+        assertEquals(arr[0], 6.0, "Value is six");
+    }
+}
diff --git a/generic/src/test/java/com/dukescript/presenters/spi/test/CallbackTest.java b/generic/src/test/java/com/dukescript/presenters/spi/test/CallbackTest.java
new file mode 100644
index 00000000..4be2ab53
--- /dev/null
+++ b/generic/src/test/java/com/dukescript/presenters/spi/test/CallbackTest.java
@@ -0,0 +1,71 @@
+package com.dukescript.presenters.spi.test;
+
+/*
+ * #%L
+ * DukeScript Generic Presenter - a library from the "DukeScript Presenters" project.
+ * 
+ * Dukehoff GmbH designates this particular file as subject to the "Classpath"
+ * exception as provided in the README.md file that accompanies this code.
+ * %%
+ * Copyright (C) 2015 - 2019 Dukehoff GmbH
+ * %%
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ * 
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public
+ * License along with this program.  If not, see
+ * .
+ * #L%
+ */
+
+
+import java.lang.reflect.Method;
+import java.util.logging.Level;
+import javax.script.ScriptException;
+import static org.testng.Assert.assertEquals;
+import org.testng.annotations.AfterClass;
+import org.testng.annotations.Factory;
+
+public class CallbackTest {
+    @Factory public static Object[] deadlockTests() throws Exception {
+        return GenericTest.createTests(new CBP());
+    }
+    
+    @AfterClass public static void countCallbacks() {
+        assertEquals(Counter.callbacks, Counter.calls, "Every call to loadJS is prefixed with a callback");
+    }
+    
+    
+    private static final class CBP extends Testing {
+
+        @Override
+        protected void loadJS(String js) {
+            dispatch(new Runnable () {
+                @Override
+                public void run() {
+                    try {
+                        Object res = eng.eval("if (this.counter) this.counter()");
+                        LOG.log(Level.FINE, "counter res: {0}", res);
+                    } catch (ScriptException ex) {
+                        LOG.log(Level.SEVERE, null, ex);
+                    }
+                }
+            });
+            super.loadJS(js);
+        }
+
+        @Override void beforeTest(Class testClass) throws Exception {
+            Class cntr = testClass.getClassLoader().loadClass(Counter.class.getName());
+            Method rc = cntr.getMethod("registerCounter");
+            rc.invoke(null);
+        }
+        
+    }
+}
diff --git a/generic/src/test/java/com/dukescript/presenters/spi/test/Case.java b/generic/src/test/java/com/dukescript/presenters/spi/test/Case.java
new file mode 100644
index 00000000..ca136b02
--- /dev/null
+++ b/generic/src/test/java/com/dukescript/presenters/spi/test/Case.java
@@ -0,0 +1,121 @@
+package com.dukescript.presenters.spi.test;
+
+/*
+ * #%L
+ * DukeScript Generic Presenter - a library from the "DukeScript Presenters" project.
+ * 
+ * Dukehoff GmbH designates this particular file as subject to the "Classpath"
+ * exception as provided in the README.md file that accompanies this code.
+ * %%
+ * Copyright (C) 2015 - 2019 Dukehoff GmbH
+ * %%
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ * 
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public
+ * License along with this program.  If not, see
+ * .
+ * #L%
+ */
+
+
+import java.io.Closeable;
+import java.io.IOException;
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
+import java.util.concurrent.CountDownLatch;
+import java.util.concurrent.Executor;
+import org.netbeans.html.boot.spi.Fn;
+import org.testng.IHookCallBack;
+import org.testng.IHookable;
+import org.testng.ITest;
+import org.testng.ITestResult;
+import org.testng.annotations.Test;
+
+public final class Case implements ITest, IHookable, Runnable {
+    private final Fn.Presenter p;
+    private CountDownLatch finished;
+    private final Method m;
+    private Object result;
+    private Object inst;
+    private int cnt;
+
+    Case(Fn.Presenter p, Method m) {
+        this.p = p;
+        this.m = m;
+    }
+
+    @Override
+    public String getTestName() {
+        return m.getDeclaringClass().getSimpleName() + "." + m.getName();
+    }
+
+    @Test
+    public void executeTest() throws Exception {
+        for (;;) {
+            if (p instanceof Executor) {
+                finished = new CountDownLatch(1);
+                ((Executor)p).execute(this);
+                finished.await();
+            } else {
+                run();
+            }
+            if (result instanceof InterruptedException && cnt++ < 100) {
+                Thread.sleep(100);
+                result = null;
+                continue;
+            }
+            break;
+        }
+        if (result instanceof Exception) {
+            throw (Exception) result;
+        } else if (result instanceof Error) {
+            throw (Error) result;
+        }
+    }
+    
+    @Override
+    public void run() {
+        Closeable c = Fn.activate(p);
+        try {
+            if (p instanceof Testing) {
+                Testing tp = (Testing) p;
+                tp.beforeTest(m.getDeclaringClass());
+            }
+            if (inst == null) {
+                inst = m.getDeclaringClass().newInstance();
+            }
+            result = m.invoke(inst);
+            if (result == null) {
+                result = this;
+            }
+        } catch (InvocationTargetException ex) {
+            Throwable r = ex.getTargetException();
+            result = r;
+        } catch (Exception ex) {
+            result = ex;
+        } finally {
+            try {
+                c.close();
+            } catch (IOException ex) {
+                throw new IllegalStateException(ex);
+            }
+            if (finished != null) {
+                finished.countDown();
+            }
+        }
+    }
+
+    @Override
+    public void run(IHookCallBack ihcb, ITestResult itr) {
+        ihcb.runTestMethod(itr);
+    }
+    
+}
diff --git a/generic/src/test/java/com/dukescript/presenters/spi/test/Counter.java b/generic/src/test/java/com/dukescript/presenters/spi/test/Counter.java
new file mode 100644
index 00000000..1991a256
--- /dev/null
+++ b/generic/src/test/java/com/dukescript/presenters/spi/test/Counter.java
@@ -0,0 +1,55 @@
+package com.dukescript.presenters.spi.test;
+
+/*
+ * #%L
+ * DukeScript Generic Presenter - a library from the "DukeScript Presenters" project.
+ * 
+ * Dukehoff GmbH designates this particular file as subject to the "Classpath"
+ * exception as provided in the README.md file that accompanies this code.
+ * %%
+ * Copyright (C) 2015 - 2019 Dukehoff GmbH
+ * %%
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ * 
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public
+ * License along with this program.  If not, see
+ * .
+ * #L%
+ */
+
+
+import net.java.html.js.JavaScriptBody;
+
+public final class Counter {
+    static int calls;
+    static int callbacks;
+
+    static int count() {
+        return ++callbacks;
+    }
+    
+    public static final void registerCounter() {
+        if (rCounter()) {
+            callbacks = 0;
+        }
+    }
+
+    @JavaScriptBody(args = {}, javacall = true, body
+            = "if (!this.counter) {\n"
+            + "  this.counter = function() { return @com.dukescript.presenters.spi.test.Counter::count()(); };\n"
+            + "  return true;\n"
+            + "} else {\n"
+            + "  return false;\n"
+            + "}\n"
+    )
+    private static native boolean rCounter();
+    
+}
diff --git a/generic/src/test/java/com/dukescript/presenters/spi/test/GenericTest.java b/generic/src/test/java/com/dukescript/presenters/spi/test/GenericTest.java
new file mode 100644
index 00000000..871e7027
--- /dev/null
+++ b/generic/src/test/java/com/dukescript/presenters/spi/test/GenericTest.java
@@ -0,0 +1,102 @@
+package com.dukescript.presenters.spi.test;
+
+/*
+ * #%L
+ * DukeScript Generic Presenter - a library from the "DukeScript Presenters" project.
+ * 
+ * Dukehoff GmbH designates this particular file as subject to the "Classpath"
+ * exception as provided in the README.md file that accompanies this code.
+ * %%
+ * Copyright (C) 2015 - 2019 Dukehoff GmbH
+ * %%
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ * 
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public
+ * License along with this program.  If not, see
+ * .
+ * #L%
+ */
+
+
+import java.lang.annotation.Annotation;
+import java.lang.reflect.Method;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.concurrent.Executors;
+import net.java.html.boot.BrowserBuilder;
+import org.netbeans.html.boot.spi.Fn;
+import org.netbeans.html.json.tck.JavaScriptTCK;
+import org.netbeans.html.json.tck.KOTest;
+import com.dukescript.presenters.spi.ProtoPresenterBuilder;
+import org.testng.annotations.Factory;
+
+public class GenericTest extends JavaScriptTCK {
+    private static Class browserClass;
+    
+    public GenericTest() {
+    }
+
+    @Factory public static Object[] compatibilityTests() throws Exception {
+        return createTests(new Testing());
+    }
+    
+    static Object[] createTests(Testing p) throws Exception {
+        Fn.Presenter presenter = p.presenter;
+
+        final BrowserBuilder bb = BrowserBuilder.newBrowser(presenter).loadClass(GenericTest.class).
+            loadPage("empty.html").
+            invoke("initialized");
+
+        Executors.newSingleThreadExecutor().submit(new Runnable() {
+            @Override
+            public void run() {
+                bb.showAndWait();
+            }
+        });
+
+        List res = new ArrayList();
+        Class test = 
+            loadClass().getClassLoader().loadClass(KOTest.class.getName()).
+            asSubclass(Annotation.class);
+
+        Class[] arr = (Class[]) loadClass().getDeclaredMethod("tests").invoke(null);
+        for (Class c : arr) {
+            for (Method m : c.getMethods()) {
+                if (m.getAnnotation(test) != null) {
+                    res.add(new Case(presenter, m));
+                }
+            }
+        }
+        return res.toArray();
+    }
+    
+    public static Class[] tests() {
+        return testClasses();
+    }
+
+    static synchronized Class loadClass() throws InterruptedException {
+        while (browserClass == null) {
+            GenericTest.class.wait();
+        }
+        return browserClass;
+    }
+    
+    public static synchronized void ready(Class browserCls) throws Exception {
+        browserClass = browserCls;
+        GenericTest.class.notifyAll();
+    }
+    
+    public static void initialized() throws Exception {
+        Class classpathClass = ClassLoader.getSystemClassLoader().loadClass(GenericTest.class.getName());
+        Method m = classpathClass.getMethod("ready", Class.class);
+        m.invoke(null, GenericTest.class);
+    }
+}
diff --git a/generic/src/test/java/com/dukescript/presenters/spi/test/SynchronizedTest.java b/generic/src/test/java/com/dukescript/presenters/spi/test/SynchronizedTest.java
new file mode 100644
index 00000000..cd5c174e
--- /dev/null
+++ b/generic/src/test/java/com/dukescript/presenters/spi/test/SynchronizedTest.java
@@ -0,0 +1,37 @@
+package com.dukescript.presenters.spi.test;
+
+/*
+ * #%L
+ * DukeScript Generic Presenter - a library from the "DukeScript Presenters" project.
+ * 
+ * Dukehoff GmbH designates this particular file as subject to the "Classpath"
+ * exception as provided in the README.md file that accompanies this code.
+ * %%
+ * Copyright (C) 2015 - 2019 Dukehoff GmbH
+ * %%
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ * 
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public
+ * License along with this program.  If not, see
+ * .
+ * #L%
+ */
+
+
+import static com.dukescript.presenters.spi.test.GenericTest.createTests;
+import org.testng.annotations.Factory;
+
+public class SynchronizedTest {
+    @Factory public static Object[] compatibilityTests() throws Exception {
+        return createTests(new Testing.Synchronized());
+    }
+    
+}
diff --git a/generic/src/test/java/com/dukescript/presenters/spi/test/Testing.java b/generic/src/test/java/com/dukescript/presenters/spi/test/Testing.java
new file mode 100644
index 00000000..29812a65
--- /dev/null
+++ b/generic/src/test/java/com/dukescript/presenters/spi/test/Testing.java
@@ -0,0 +1,179 @@
+package com.dukescript.presenters.spi.test;
+
+/*
+ * #%L
+ * DukeScript Generic Presenter - a library from the "DukeScript Presenters" project.
+ * 
+ * Dukehoff GmbH designates this particular file as subject to the "Classpath"
+ * exception as provided in the README.md file that accompanies this code.
+ * %%
+ * Copyright (C) 2015 - 2019 Dukehoff GmbH
+ * %%
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ * 
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public
+ * License along with this program.  If not, see
+ * .
+ * #L%
+ */
+
+
+import java.net.URL;
+import java.util.concurrent.Executor;
+import java.util.concurrent.Executors;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+import javax.script.ScriptContext;
+import javax.script.ScriptEngine;
+import javax.script.ScriptEngineManager;
+import javax.script.ScriptException;
+import com.dukescript.presenters.spi.ProtoPresenter;
+import com.dukescript.presenters.spi.ProtoPresenterBuilder;
+
+class Testing {
+    static final Logger LOG = Logger.getLogger(Testing.class.getName());
+    final Executor QUEUE;
+    final ScriptEngine eng;
+    final boolean sync;
+    final ProtoPresenter presenter;
+
+    public Testing() {
+        this(false);
+    }
+
+    protected Testing(boolean sync) {
+        this(sync, Executors.newSingleThreadExecutor());
+    }
+    protected Testing(boolean sync, Executor queue) {
+        this.sync = sync;
+        this.QUEUE = queue;
+        this.presenter = ProtoPresenterBuilder.newBuilder()
+            .app("Testing")
+            .type("test")
+            .dispatcher(QUEUE, false)
+            .loadJavaScript(this::loadJS, sync)
+            .displayer(this::displayPage)
+            .preparator(this::callbackFn, true)
+            .logger(this::log)
+            .build();
+
+        ScriptEngineManager sem = new ScriptEngineManager();
+        eng = sem.getEngineByMimeType("text/javascript");
+        try {
+            eng.eval("function alert(m) { Packages.java.lang.System.out.println(m); };");
+        } catch (ScriptException ex) {
+            throw new IllegalStateException(ex);
+        }        
+    }
+
+    protected void log(int priority, String msg, Object... args) {
+        Level level = findLevel(priority);
+        if (args.length == 1 && args[0] instanceof Throwable) {
+            LOG.log(level, msg, (Throwable)args[0]);
+        } else {
+            LOG.log(level, msg, args);
+        }
+    }
+
+    private static Level findLevel(int priority) {
+        if (priority >= Level.SEVERE.intValue()) {
+            return Level.SEVERE;
+        }
+        if (priority >= Level.WARNING.intValue()) {
+            return Level.WARNING;
+        }
+        if (priority >= Level.INFO.intValue()) {
+            return Level.INFO;
+        }
+        return Level.FINE;
+    }
+
+    public final class Clbk {
+        private Clbk() {
+        }
+        
+        public String pass(String method, String a1, String a2, String a3, String a4) throws Exception {
+            return presenter.js2java(method, a1, a2, a3, a4);
+        }
+    }
+    private final Clbk clbk = new Clbk();
+    
+    protected void callbackFn(ProtoPresenterBuilder.OnPrepared ready) {
+        eng.getBindings(ScriptContext.ENGINE_SCOPE).put("jvm", clbk);
+        try {
+            eng.eval("(function(global) {\n"
+                + "  var jvm = global.jvm;\n"
+                + "  global.testingCB = function(m,a1,a2,a3,a4) {\n"
+                + "    return jvm.pass(m,a1,a2,a3,a4);\n"
+                + "  }\n"
+                + "})(this);\n"
+            );
+        } catch (ScriptException ex) {
+            throw new IllegalStateException(ex);
+        }
+        eng.getBindings(ScriptContext.ENGINE_SCOPE).put("jvm", "");
+        ready.callbackIsPrepared("testingCB");
+    }
+
+    protected void loadJS(final String js) {
+        QUEUE.execute(new Runnable() {
+            public void run() {
+                try {
+                    Object res = eng.eval(js);
+                    LOG.log(Level.FINE, "Result: {0}", res);
+                } catch (Throwable ex) {
+                    LOG.log(Level.SEVERE, "Can't process " + js, ex);
+                }
+            }
+        });
+    }
+
+    public void displayPage(URL url, Runnable r) {
+        r.run();
+    }
+
+    public void dispatch(Runnable r) {
+        QUEUE.execute(r);
+    }
+
+    void beforeTest(Class declaringClass) throws Exception {
+    }
+    
+    static class Synchronized extends Testing {
+        public Synchronized() {
+            super(true, (r) -> r.run());
+        }
+
+        @Override
+        protected void loadJS(final String js) {
+            try {
+                Object res = eng.eval(js);
+                LOG.log(Level.FINE, "Result: {0}", res);
+            } catch (Throwable ex) {
+                LOG.log(Level.SEVERE, "Can't process " + js, ex);
+            }
+        }
+
+        @Override
+        public void displayPage(URL url, Runnable r) {
+            r.run();
+        }
+
+        @Override
+        public void dispatch(Runnable r) {
+            r.run();
+        }
+
+        @Override
+        void beforeTest(Class declaringClass) throws Exception {
+        }
+    } // end of Synchronized
+}
diff --git a/renderer/pom.xml b/renderer/pom.xml
new file mode 100644
index 00000000..d2c22b40
--- /dev/null
+++ b/renderer/pom.xml
@@ -0,0 +1,52 @@
+
+
+    4.0.0
+    
+        com.dukescript.presenters
+        pom
+        2.0-SNAPSHOT
+    
+    renderer
+    jar
+    Desktop Browser Renderer
+    
+        ${project.parent.basedir}
+    
+    
+        
+            
+                org.apache.maven.plugins
+                maven-javadoc-plugin
+                
+                    false
+                
+                
+                    
+                        attach-javadocs
+                        
+                            jar
+                        
+                    
+                
+            
+        
+    
+    
+        
+            org.testng
+            testng
+            ${testng.version}
+            test
+        
+        
+            net.java.dev.jna
+            jna
+            ${jna.version}
+        
+        
+            org.netbeans.html
+            net.java.html.boot
+            ${net.java.html.version}
+        
+        
+
\ No newline at end of file
diff --git a/renderer/src/main/java/com/dukescript/presenters/renderer/AWT.java b/renderer/src/main/java/com/dukescript/presenters/renderer/AWT.java
new file mode 100644
index 00000000..e99ee697
--- /dev/null
+++ b/renderer/src/main/java/com/dukescript/presenters/renderer/AWT.java
@@ -0,0 +1,65 @@
+package com.dukescript.presenters.renderer;
+
+/*
+ * #%L
+ * Desktop Browser Renderer - a library from the "DukeScript Presenters" project.
+ * 
+ * Dukehoff GmbH designates this particular file as subject to the "Classpath"
+ * exception as provided in the README.md file that accompanies this code.
+ * %%
+ * Copyright (C) 2015 - 2019 Dukehoff GmbH
+ * %%
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ * 
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public
+ * License along with this program.  If not, see
+ * .
+ * #L%
+ */
+
+
+import com.sun.jna.Pointer;
+import java.io.IOException;
+import java.net.URI;
+import java.util.logging.Level;
+
+final class AWT extends Show {
+    @Override
+    public void show(URI page) throws IOException {
+        try {
+            LOG.log(Level.FINE, "Trying Desktop.browse on {0} {2} by {1}", new Object[]{
+                System.getProperty("java.vm.name"),
+                System.getProperty("java.vm.vendor"),
+                System.getProperty("java.vm.version"),});
+            java.awt.Desktop.getDesktop().browse(page);
+            LOG.log(Level.FINE, "Desktop.browse successfully finished");
+            System.in.read();
+        } catch (UnsupportedOperationException ex) {
+            LOG.log(Level.FINE, "Desktop.browse not supported: {0}", ex.getMessage());
+            throw new IOException(ex);
+        }
+    }
+
+    @Override
+    public JSC jsc() {
+        return null;
+    }
+
+    @Override
+    public Pointer jsContext() {
+        return null;
+    }
+
+    @Override
+    public void execute(Runnable command) {
+        command.run();
+    }
+}
diff --git a/renderer/src/main/java/com/dukescript/presenters/renderer/Cocoa.java b/renderer/src/main/java/com/dukescript/presenters/renderer/Cocoa.java
new file mode 100644
index 00000000..786af000
--- /dev/null
+++ b/renderer/src/main/java/com/dukescript/presenters/renderer/Cocoa.java
@@ -0,0 +1,483 @@
+package com.dukescript.presenters.renderer;
+
+/*
+ * #%L
+ * Desktop Browser Renderer - a library from the "DukeScript Presenters" project.
+ * 
+ * Dukehoff GmbH designates this particular file as subject to the "Classpath"
+ * exception as provided in the README.md file that accompanies this code.
+ * %%
+ * Copyright (C) 2015 - 2019 Dukehoff GmbH
+ * %%
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ * 
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public
+ * License along with this program.  If not, see
+ * .
+ * #L%
+ */
+
+
+import com.sun.jna.Callback;
+import com.sun.jna.CallbackThreadInitializer;
+import com.sun.jna.FromNativeContext;
+import com.sun.jna.Library;
+import com.sun.jna.Native;
+import com.sun.jna.NativeMapped;
+import com.sun.jna.Pointer;
+import com.sun.jna.Structure;
+import com.sun.jna.ptr.IntByReference;
+import java.io.Closeable;
+import java.net.URI;
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.List;
+import java.util.Queue;
+import java.util.concurrent.ConcurrentLinkedQueue;
+import java.util.logging.Level;
+import org.netbeans.html.boot.spi.Fn;
+
+final class Cocoa extends Show implements Callback {
+    private final Fn.Presenter presenter;
+    private final Runnable onPageLoad;
+    private final Runnable onContext;
+    private final JSC jsc;
+
+    private static final Queue QUEUE = new ConcurrentLinkedQueue();
+    private static Pointer NSApp;
+    private static Pointer appDelPtr;
+    private static Pointer doMainSelector;
+    private static Thread dispatchThread;
+
+    private AppDidStart appDidStart;
+    private Ready ready;
+    private ContextCreated contextCreated;
+    private UIDelegate ui;
+    private DialogHandler[] dialogs;
+    private Pointer jsContext;
+    private String page;
+    private Pointer webView;
+    private Pointer mainWindow;
+
+    Cocoa() {
+        this(null, null, null, false);
+    }
+
+    Cocoa(Fn.Presenter p, Runnable onPageLoad, Runnable onContext, boolean hl) {
+        this.presenter = p;
+        this.onPageLoad = onPageLoad;
+        this.onContext = onContext;
+        this.jsc = (JSC) Native.loadLibrary("JavaScriptCore", JSC.class, Collections.singletonMap(Library.OPTION_ALLOW_OBJECTS, true));
+    }
+
+    @Override
+    public JSC jsc() {
+        return jsc;
+    }
+
+    @Override
+    public Pointer jsContext() {
+        return jsContext;
+    }
+
+    @Override
+    public void show(URI page) {
+        this.page = page.toASCIIString();
+
+        ensureHttpAccess(page);
+
+        Native.loadLibrary("WebKit", WebKit.class);
+
+        appDidStart = new AppDidStart();
+        contextCreated = new ContextCreated();
+        ready = new Ready();
+        ui = new UIDelegate();
+        dialogs = new DialogHandler[3];
+        dialogs[0] = new DialogHandler(0);
+        dialogs[1] = new DialogHandler(1);
+        dialogs[2] = new DialogHandler(2);
+
+        if (appDelPtr == null) {
+            ObjC objC = ObjC.INSTANCE;
+            Pointer appDelClass = objC.objc_allocateClassPair(objC.objc_getClass("NSObject"), "AppDelegate", 0);
+            objC.class_addMethod(appDelClass, objC.sel_getUid("applicationDidFinishLaunching:"), appDidStart, "i@:@");
+            doMainSelector = objC.sel_getUid("doMain");
+            Native.setCallbackThreadInitializer(this, new CallbackThreadInitializer(false, false, "Cocoa Dispatch Thread"));
+            objC.class_addMethod(appDelClass, doMainSelector, this, "i@");
+            objC.class_addMethod(appDelClass, objC.sel_getUid("webView:didCreateJavaScriptContext:forFrame:"), contextCreated, "v@:@:@");
+            objC.class_addMethod(appDelClass, objC.sel_getUid("webView:didFinishLoadForFrame:"), ready, "v@:@");
+            objC.class_addMethod(appDelClass, objC.sel_getUid("webView:createWebViewWithRequest:"), ui, "v@:@");
+            objC.class_addMethod(appDelClass, objC.sel_getUid("webView:runJavaScriptAlertPanelWithMessage:initiatedByFrame:"), dialogs[0], "v@:@:@");
+            objC.class_addMethod(appDelClass, objC.sel_getUid("webView:runJavaScriptConfirmPanelWithMessage:initiatedByFrame:"), dialogs[1], "v@:@:@");
+            objC.class_addMethod(appDelClass, objC.sel_getUid("webView:runJavaScriptTextInputPanelWithPrompt:defaultText:initiatedByFrame:"), dialogs[2], "v@:@:@");
+            objC.objc_registerClassPair(appDelClass);
+
+            long appDelObj = send(objC.objc_getClass("AppDelegate"), "alloc");
+            appDelPtr = new Pointer(appDelObj);
+            send(appDelPtr, "init");
+
+            send(appDelPtr,
+                "performSelectorOnMainThread:withObject:waitUntilDone:",
+                doMainSelector, null, 1
+            );
+        } else {
+            execute(new Runnable() {
+                @Override
+                public void run() {
+                    appDidStart.callback(appDelPtr);
+                }
+            });
+        }
+    }
+
+    @Override
+    public void execute(Runnable command) {
+        QUEUE.add(command);
+        if (Thread.currentThread() == dispatchThread && Fn.activePresenter() == presenter) {
+            try {
+                process();
+            } catch (Exception ex) {
+                LOG.log(Level.SEVERE, "Cannot process " + command, ex);
+            }
+        } else {
+            send(appDelPtr,
+                "performSelectorOnMainThread:withObject:waitUntilDone:",
+                doMainSelector, null, 0
+            );
+        }
+    }
+
+    private void process() throws Exception {
+        Closeable c = Fn.activate(presenter);
+        try {
+            for (;;) {
+                Runnable r = QUEUE.poll();
+                if (r == null) {
+                    break;
+                }
+                r.run();
+            }
+        } finally {
+            c.close();
+        }
+    }
+
+    public interface ObjC extends Library {
+
+        public static ObjC INSTANCE = (ObjC) Native.loadLibrary("objc.A", ObjC.class);
+
+        public boolean class_addMethod(Pointer cls, Pointer name, Callback imp, String types);
+
+        public String class_getName(Pointer cls);
+
+        public String object_getClassName(Pointer cls);
+
+        public Pointer class_copyMethodList(Class cls, IntByReference outCount);
+
+        public Pointer objc_allocateClassPair(Pointer cls, String name, int additionalBytes);
+
+        public Pointer objc_getClass(String name);
+
+        public long objc_msgSend(Pointer theReceiver, Pointer theSelector, Object... arguments);
+
+        public Rct objc_msgSend_stret(Pointer theReceiver, Pointer theSelector, Object... arguments);
+
+        public void objc_registerClassPair(Pointer cls);
+
+        public Pointer sel_getUid(String name);
+    }
+
+    static long send(Pointer obj, String selector, Object... args) {
+        Pointer uid = ObjC.INSTANCE.sel_getUid(selector);
+        return ObjC.INSTANCE.objc_msgSend(obj, uid, args);
+    }
+
+    public static interface WebKit extends Library {
+    }
+
+    public void callback(Pointer self) throws Exception {
+        if (NSApp != null) {
+            process();
+            return;
+        }
+
+        ObjC objC = ObjC.INSTANCE;
+	long res = send(objC.objc_getClass("NSApplication"), "sharedApplication");
+	if (res == 0) {
+            System.err.print("Failed to initialized NSApplication...  terminating...\n");
+            System.exit(1);
+	}
+        dispatchThread = Thread.currentThread();
+        NSApp = new Pointer(res);
+	send(NSApp, "setActivationPolicy:", 0);
+	send(NSApp, "setDelegate:", self);
+	res = send(NSApp, "run");
+        System.err.println("end res: " + res);
+    }
+
+    public final class AppDidStart implements Callback {
+        AppDidStart() {
+        }
+
+        public long callback(Pointer self) {
+            ObjC objC = ObjC.INSTANCE;
+            mainWindow = new Pointer(send(objC.objc_getClass("NSWindow"), "alloc"));
+
+            Pointer screen = new Pointer(send(objC.objc_getClass("NSScreen"), "mainScreen"));
+
+            Pointer uid = ObjC.INSTANCE.sel_getUid("frame");
+            Rct size = ObjC.INSTANCE.objc_msgSend_stret(screen, uid);
+
+            double height = size.height.doubleValue() * 0.9;
+            double width = size.width.doubleValue() * 0.9;
+            double x = size.width.doubleValue() * 0.05 + size.x.doubleValue();
+            double y = size.height.doubleValue() * 0.05 + size.y.doubleValue();
+
+            Rct r = new Rct(x, y, width, height);
+
+            int mode = 15;
+            int backingstoreBuffered = 2;
+
+	    send(mainWindow,
+                "initWithContentRect:styleMask:backing:defer:",
+                r, mode, backingstoreBuffered, false
+            );
+            send(mainWindow, "setTitle:", nsString("Browser demo"));
+            Pointer webViewClass = objC.objc_getClass("WebView");
+            long webViewId = send(webViewClass, "alloc");
+            webView = new Pointer(webViewId);
+            send(webView, "init");
+
+            send(webView, "setFrameLoadDelegate:", self);
+            send(webView, "setUIDelegate:", self);
+
+            Pointer frame = new Pointer(send(webView, "mainFrame"));
+
+            Pointer urlClass = objC.objc_getClass("NSURL");
+            Pointer url = new Pointer(send(urlClass, "URLWithString:", nsString(page)));
+            Pointer requestClass = objC.objc_getClass("NSURLRequest");
+            Pointer request = new Pointer(send(requestClass, "alloc"));
+            send(request, "initWithURL:", url);
+
+            send(mainWindow, "setContentView:", webView);
+            send(frame, "loadRequest:", request);
+
+            send(mainWindow, "becomeFirstResponder");
+            send(mainWindow, "makeKeyAndOrderFront:", NSApp);
+	    return 1;
+        }
+    }
+
+    static Pointer nsString(String bd) {
+        ObjC objC = ObjC.INSTANCE;
+        Pointer stringClass = objC.objc_getClass("NSString");
+        Pointer browserDemo = new Pointer(send(stringClass, "stringWithCString:encoding:", bd, 4));
+        return browserDemo;
+    }
+
+    public final class ContextCreated implements Callback {
+        ContextCreated() {
+        }
+
+        public void callback(Pointer webView, Pointer ctx, Pointer frame) {
+            frame = new Pointer(send(frame, "mainFrame"));
+            ctx = new Pointer(send(frame, "globalContext"));
+
+            jsContext = ctx;
+            if (onContext != null) {
+                onContext.run();
+            }
+        }
+    }
+
+    public final class Ready implements Callback {
+        Ready() {
+        }
+
+        public void callback(Pointer p1, Pointer frame) {
+            send(webView, "stringByEvaluatingJavaScriptFromString:", nsString("1 + 1"));
+            if (onPageLoad != null) {
+                onPageLoad.run();
+            }
+        }
+    }
+
+    public final class DialogHandler implements Callback {
+        private final int type;
+
+        public DialogHandler(int type) {
+            this.type = type;
+        }
+
+        public boolean alertOrConfirm(Pointer appDelegate, Pointer selector, Pointer webView, Pointer msg, Pointer frame) {
+            ObjC objC = ObjC.INSTANCE;
+/*
+            System.err.println("webView: " + objC.object_getClassName(webView));
+            System.err.println("frame: " + objC.object_getClassName(frame));
+            System.err.println("msg: " + objC.object_getClassName(msg));
+
+            String text = new Pointer(send(msg, "UTF8String")).getString(0, "UTF-8");
+            System.err.println("msg: " + text);
+*/
+            Pointer alert = new Pointer(send(objC.objc_getClass("NSAlert"), "alloc"));
+            send(alert, "init");
+            send(alert, "setMessageText:", msg);
+            send(alert, "addButtonWithTitle:", nsString("OK"));
+            if (type == 1) {
+                send(alert, "addButtonWithTitle:", nsString("Cancel"));
+            }
+
+            int res = ((int) send(alert, "runModal")) & 1;
+
+            return res == 0;
+        }
+    }
+
+    public final class UIDelegate implements Callback {
+        UIDelegate() {
+        }
+
+        public Pointer callback(Pointer appDelegate) {
+            ObjC objC = ObjC.INSTANCE;
+
+            Pointer uid = ObjC.INSTANCE.sel_getUid("frame");
+            Rct size = ObjC.INSTANCE.objc_msgSend_stret(mainWindow, uid);
+
+            double height = size.height.doubleValue() * 0.9;
+            double width = size.width.doubleValue() * 0.9;
+            double x = size.width.doubleValue() * 0.05 + size.x.doubleValue();
+            double y = size.height.doubleValue() * 0.05 + size.y.doubleValue();
+
+            Pointer window = new Pointer(send(objC.objc_getClass("NSWindow"), "alloc"));
+
+            Rct r = new Rct(x, y, width, height);
+            int mode = 15;
+            int backingstoreBuffered = 2;
+
+	    send(window,
+                "initWithContentRect:styleMask:backing:defer:",
+                r, mode, backingstoreBuffered, false
+            );
+            send(window, "setTitle:", nsString("Browser demo"));
+            Pointer webViewClass = objC.objc_getClass("WebView");
+            long webViewId = send(webViewClass, "alloc");
+            Pointer webView = new Pointer(webViewId);
+            send(webView, "init");
+
+            send(window, "setContentView:", webView);
+            send(window, "makeKeyAndOrderFront:", (Object) null);
+            return webView;
+        }
+    }
+
+    public static final class Rct extends Structure implements Structure.ByValue {
+        public Flt x;
+        public Flt y;
+        public Flt width;
+        public Flt height;
+
+        public Rct() {
+        }
+
+        public Rct(double x, double y, double width, double height) {
+            this.x = new Flt(x);
+            this.y = new Flt(y);
+            this.width = new Flt(width);
+            this.height = new Flt(height);
+        }
+
+        @Override
+        protected List getFieldOrder() {
+            return Arrays.asList("x", "y", "width", "height");
+        }
+    }
+
+    public static final class Flt extends Number implements NativeMapped {
+
+        private static final boolean SMALL = Native.LONG_SIZE == 4;
+        private final double number;
+
+        public Flt() {
+            this(0);
+        }
+
+        public Flt(double d) {
+            number = d;
+        }
+
+        @Override
+        public float floatValue() {
+            return (float) number;
+        }
+
+        @Override
+        public double doubleValue() {
+            return number;
+        }
+
+        @Override
+        public int intValue() {
+            return (int) number;
+        }
+
+        @Override
+        public long longValue() {
+            return (long) number;
+        }
+
+        @Override
+        public Object fromNative(Object o, FromNativeContext fromNativeContext) {
+            return new Flt(((Number) o).doubleValue());
+        }
+
+        @Override
+        public Object toNative() {
+            return SMALL ? floatValue() : number;
+        }
+
+        @Override
+        public Class nativeType() {
+            return SMALL ? Float.class : Double.class;
+        }
+
+        @Override
+        public String toString() {
+            return Double.toString(number);
+        }
+    }
+
+    private static void ensureHttpAccess(URI page) {
+        if (!"http".equals(page.getScheme())) {
+            return;
+        }
+        ObjC objC = ObjC.INSTANCE;
+
+        final Pointer nsBundle = objC.objc_getClass("NSBundle");
+        final Pointer nsNumber = objC.objc_getClass("NSNumber");
+        final Pointer nsDictionary = objC.objc_getClass("NSMutableDictionary");
+
+
+        final Pointer mainBundle = new Pointer(send(nsBundle, "mainBundle"));
+        final Pointer info = new Pointer(send(mainBundle, "infoDictionary"));
+
+        final Pointer nsAppTransportSecurity = nsString("NSAppTransportSecurity");
+        final Pointer nsAllowArbitraryLoads = nsString("NSAllowsArbitraryLoads");
+        final long nsTrue = send(nsNumber, "numberWithBool:", 1);
+
+        final long rawDict = send(info, "objectForKey:", nsAppTransportSecurity);
+        final Pointer dict;
+        if (rawDict == 0) {
+            dict = new Pointer(send(nsDictionary, "dictionaryWithCapacity:", 1));
+            send(info, "setValue:forKey:", dict, nsAppTransportSecurity);
+            send(dict, "setObject:forKey:", nsTrue, nsAllowArbitraryLoads);
+        }
+    }
+}
diff --git a/renderer/src/main/java/com/dukescript/presenters/renderer/GTK.java b/renderer/src/main/java/com/dukescript/presenters/renderer/GTK.java
new file mode 100644
index 00000000..6d10093a
--- /dev/null
+++ b/renderer/src/main/java/com/dukescript/presenters/renderer/GTK.java
@@ -0,0 +1,450 @@
+package com.dukescript.presenters.renderer;
+
+/*
+ * #%L
+ * Desktop Browser Renderer - a library from the "DukeScript Presenters" project.
+ * 
+ * Dukehoff GmbH designates this particular file as subject to the "Classpath"
+ * exception as provided in the README.md file that accompanies this code.
+ * %%
+ * Copyright (C) 2015 - 2019 Dukehoff GmbH
+ * %%
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ * 
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public
+ * License along with this program.  If not, see
+ * .
+ * #L%
+ */
+
+
+import com.sun.jna.Callback;
+import com.sun.jna.Library;
+import com.sun.jna.Native;
+import com.sun.jna.Pointer;
+import com.sun.jna.Structure;
+import com.sun.jna.ptr.IntByReference;
+import java.io.Closeable;
+import java.io.File;
+import java.io.IOException;
+import java.io.PrintWriter;
+import java.io.StringWriter;
+import java.net.URI;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Queue;
+import java.util.concurrent.ConcurrentLinkedQueue;
+import java.util.logging.Level;
+import org.netbeans.html.boot.spi.Fn;
+
+final class GTK extends Show implements InvokeLater {
+    private final Fn.Presenter presenter;
+    private final Runnable onPageLoad;
+    private final Runnable onContext;
+    private final boolean headless;
+
+    private OnDestroy onDestroy;
+    private OnLoad onLoad;
+    private Pending pending;
+    private String page;
+    private Pointer jsContext;
+    private NewWebView newWebView;
+
+    GTK() {
+        this(null, null, null, false);
+    }
+
+    GTK(Fn.Presenter p, Runnable onPageLoad, Runnable onContext, boolean hl) {
+        this.onPageLoad = onPageLoad;
+        this.presenter = p;
+        this.headless = hl;
+        this.onContext = onContext;
+    }
+
+    @Override
+    public JSC jsc() {
+        return INSTANCE.jsc;
+    }
+    
+    @Override
+    public Pointer jsContext() {
+        return jsContext;
+    }
+
+    public interface GLib extends Library {
+        void g_idle_add(Callback r, Pointer p);
+    }
+    public interface G extends Library {
+        void g_signal_connect_data(Pointer obj, String signal, Callback callback, Pointer data, Void nul, int flags);
+    }
+
+    public interface Gtk extends Library {
+        void gtk_init(int cnt, String[] args);
+
+        Pointer gtk_window_new(int windowType);
+        Pointer gtk_scrolled_window_new(Pointer ignore, Pointer ignore2);
+        void gtk_window_get_position(Pointer window, IntByReference x, IntByReference y);
+        void gtk_window_get_size(Pointer window, IntByReference width, IntByReference height);
+        void gtk_window_set_default_size(Pointer window, int width, int height);
+        void gtk_window_set_title(Pointer window, String title);
+        void gtk_widget_show_all(Pointer window);
+        void gtk_window_set_gravity(Pointer window, int gravity);
+        void gtk_window_move(Pointer window, int x, int y);
+        void gtk_container_add(Pointer container, Pointer child);
+        void gtk_widget_grab_focus(Pointer window);
+        void gtk_widget_destroy(Pointer window);
+        void gtk_window_present(Pointer window);
+        void gtk_main();
+        void gtk_main_quit();
+
+        void gtk_widget_set_size_request(Pointer window, int width, int height);
+        void gtk_window_set_position(Pointer window, int type);
+        Pointer gtk_button_new_with_label(String label);
+        void gtk_container_set_border_width(Pointer window, int size);
+    }
+
+    public interface Gdk extends Library {
+        int gdk_screen_get_primary_monitor(Pointer screen);
+        Pointer gdk_screen_get_default();
+        void gdk_screen_get_monitor_geometry(Pointer screen, int monitor, GRectangle geometry);
+    }
+
+    public static class GRectangle extends Structure {
+        public int x, y;
+        public int width, height;
+
+        @Override
+        protected List getFieldOrder() {
+            return Arrays.asList("x", "y", "width", "height");
+        }
+    }
+
+    public interface WebKit extends Library {
+        Pointer webkit_web_view_new();
+        void webkit_web_view_load_uri(Pointer webView, String url);
+        Pointer webkit_web_page_frame_get_javascript_context_for_script_world(Pointer webFrame, Pointer world);
+        int webkit_web_view_get_load_status(Pointer webView);
+        Pointer webkit_web_view_get_main_frame(Pointer webView);
+        Pointer webkit_web_frame_get_global_context(Pointer webFrame);
+        String webkit_web_frame_get_title(Pointer webFrame);
+    }
+
+    private static Libs INSTANCE;
+
+    final Libs getInstance(boolean[] initialized) {
+        synchronized (GTK.class) {
+            if (INSTANCE == null) {
+                INSTANCE = new Libs();
+                initialized[0] = true;
+            }
+        }
+        return INSTANCE;
+    }
+
+    @Override
+    public void show(URI url) throws IOException {
+        this.page = url.toASCIIString();
+        boolean[] justInitialized = {false};
+        Gtk gtk;
+        try {
+            gtk = getInstance(justInitialized).gtk;
+        } catch (LinkageError e) {
+            throw new IOException(e);
+        }
+        if (justInitialized[0]) {
+            gtk.gtk_init(0, null);
+            run();
+            gtk.gtk_main();
+        } else {
+            INSTANCE.glib.g_idle_add(this, null);
+        }
+    }
+
+    @Override
+    public void run() {
+        final Libs libs = getInstance(null);
+        final Gdk gdk = libs.gdk;
+        final Gtk gtk = libs.gtk;
+        final WebKit webKit = libs.webKit;
+        final G g = libs.g;
+
+        final Pointer screen = gdk.gdk_screen_get_default();
+        int primaryMonitor = gdk.gdk_screen_get_primary_monitor(screen);
+        GRectangle size = new GRectangle();
+        gdk.gdk_screen_get_monitor_geometry(screen, primaryMonitor, size);
+        int height = (int) (size.height * 0.9);
+        int width = (int) (size.width * 0.9);
+        int x = (int) (size.width * 0.05) + size.x;
+        int y = (int) (size.height * 0.05) + size.y;
+
+        final Pointer window = gtk.gtk_window_new(0);
+        gtk.gtk_window_set_default_size(window, width, height);
+        gtk.gtk_window_set_gravity(window, 5);
+        gtk.gtk_window_move(window, x, y);
+
+        Pointer scroll = gtk.gtk_scrolled_window_new(null, null);
+        gtk.gtk_container_add(window, scroll);
+
+        final Pointer webView = webKit.webkit_web_view_new();
+        gtk.gtk_container_add(scroll, webView);
+        Pointer frame = webKit.webkit_web_view_get_main_frame(webView);
+        Pointer ctx = webKit.webkit_web_frame_get_global_context(frame);
+        this.jsContext = ctx;
+        if (onContext != null) {
+            onContext.run();
+        }
+        onLoad = new OnLoad(webView, libs, window, onPageLoad);
+        g.g_signal_connect_data(webView, "notify::load-status", onLoad, null, null, 0);
+
+        newWebView = new NewWebView(libs, headless);
+        g.g_signal_connect_data(webView, "create-web-view", newWebView, window, null, 0);
+
+        webKit.webkit_web_view_load_uri(webView, page);
+
+        gtk.gtk_widget_grab_focus(webView);
+
+        onDestroy = new OnDestroy();
+        g.g_signal_connect_data(window, "destroy", onDestroy, null, null, 0);
+        pending = new Pending();
+        if (!headless) {
+            gtk.gtk_widget_show_all(window);
+        }
+    }
+
+    private static class NewWebView implements Callback {
+        private final Libs libs;
+        private final boolean headless;
+        private final Collection onLoads = new HashSet();
+
+        NewWebView(Libs libs, boolean headless) {
+            this.libs = libs;
+            this.headless = headless;
+        }
+
+        public Pointer createWebView(Pointer orig, Pointer frame, Pointer origWindow) {
+            IntByReference x = new IntByReference(0);
+            IntByReference y = new IntByReference(0);
+            IntByReference width = new IntByReference(0);
+            IntByReference height = new IntByReference(0);
+
+            Gtk gtk = libs.gtk;
+
+            gtk.gtk_window_get_position(origWindow, x, y);
+            gtk.gtk_window_get_size(origWindow, width, height);
+
+            int tenthWidth = width.getValue() / 10;
+            int tenthHeight = height.getValue() / 10;
+
+            final Pointer window = gtk.gtk_window_new(0);
+            gtk.gtk_window_set_default_size(window, width.getValue() - 2 * tenthWidth, height.getValue() - 2 * tenthHeight);
+            gtk.gtk_window_set_gravity(window, 5);
+            gtk.gtk_window_move(window, x.getValue() + tenthWidth, y.getValue() + tenthHeight);
+
+            Pointer scroll = gtk.gtk_scrolled_window_new(null, null);
+            gtk.gtk_container_add(window, scroll);
+
+            final Pointer webView = libs.webKit.webkit_web_view_new();
+            gtk.gtk_container_add(scroll, webView);
+
+            gtk.gtk_widget_grab_focus(webView);
+
+            OnLoad onLoad = new OnLoad(webView, libs, window, null);
+            onLoads.add(onLoad);
+            libs.g.g_signal_connect_data(webView, "notify::load-status", onLoad, null, null, 0);
+
+            if (!headless) {
+                gtk.gtk_widget_show_all(window);
+                gtk.gtk_window_present(window);
+            }
+
+            return webView;
+        }
+    }
+
+    private static class OnLoad implements Callback {
+        private final Libs libs;
+        private final Pointer webView;
+        private final Pointer window;
+        private final Runnable onPageLoad;
+        private Title title;
+
+        public OnLoad(Pointer webView, Libs libs, Pointer window, Runnable onPageLoad) {
+            this.webView = webView;
+            this.window = window;
+            this.libs = libs;
+            this.onPageLoad = onPageLoad;
+        }
+
+        public void loadStatus() {
+            int status = libs.webKit.webkit_web_view_get_load_status(webView);
+            if (status == 2) {
+                final Pointer frame = libs.webKit.webkit_web_view_get_main_frame(webView);
+                if (title == null) {
+                    title = new Title(frame);
+                    title.updateTitle();
+                    libs.g.g_signal_connect_data(frame, "notify::title", title, null, null, 0);
+                }
+                if (onPageLoad != null) {
+                    onPageLoad.run();
+                }
+            }
+        }
+
+        private class Title implements Callback {
+            private final Pointer frame;
+
+            public Title(Pointer frame) {
+                this.frame = frame;
+            }
+
+            public void updateTitle() {
+                String title = libs.webKit.webkit_web_frame_get_title(frame);
+                if (title == null) {
+                    title = "DukeScript Application";
+                }
+                libs.gtk.gtk_window_set_title(window, title);
+            }
+        }
+    }
+
+    private static class OnDestroy implements Callback {
+        public void signal() {
+            System.exit(0);
+        }
+    }
+
+    @Override
+    public void execute(Runnable command) {
+        pending.queue.add(command);
+        if (Fn.activePresenter() == presenter) {
+            try {
+                pending.process();
+            } catch (Exception ex) {
+                LOG.log(Level.SEVERE, "Cannot process " + command, ex);
+            }
+        } else {
+            GLib glib = getInstance(null).glib;
+            glib.g_idle_add(pending, null);
+        }
+    }
+
+
+
+    private class Pending implements Callback {
+        final Queue queue = new ConcurrentLinkedQueue();
+
+        public void process() throws Exception {
+            Closeable c = Fn.activate(presenter);
+            try {
+                for (;;) {
+                    Runnable r = queue.poll();
+                    if (r == null) {
+                        break;
+                    }
+                    r.run();
+                }
+            } finally {
+                c.close();
+            }
+        }
+    }
+
+    static final class Libs {
+        final Gtk gtk;
+        final JSC jsc;
+        final G g;
+        final GLib glib;
+        final Gdk gdk;
+        final WebKit webKit;
+
+        Libs() {
+            List errors = new ArrayList();
+            this.gtk = Libs.loadLibrary(Gtk.class, false, null);
+            this.jsc = Libs.loadLibrary(JSC.class, true, errors);
+            this.g = Libs.loadLibrary(G.class, false, errors);
+            this.glib = Libs.loadLibrary(GLib.class, false, errors);
+            this.gdk = Libs.loadLibrary(Gdk.class, false, errors);
+            this.webKit = Libs.loadLibrary(WebKit.class, false, errors);
+
+            if (!errors.isEmpty()) {
+                throw linkageError(errors);
+            }
+        }
+
+        static  T loadLibrary(Class type, boolean allowObjects, Collection errors) {
+            String libName = System.getProperty("com.dukescript.presenters.renderer." + type.getSimpleName());
+            if (libName == null) {
+                if (type == JSC.class) {
+                    libName = "javascriptcoregtk-3.0";
+                } else if (type == GTK.GLib.class) {
+                    libName = "glib-2.0";
+                } else if (type == GTK.G.class) {
+                    libName = "gobject-2.0";
+                } else if (type == GTK.Gdk.class) {
+                    libName = "gtk-3";
+                } else if (type == GTK.Gtk.class) {
+                    libName = "gtk-3";
+                } else if (type == GTK.WebKit.class) {
+                    libName = "webkitgtk-3.0";
+                }
+            }
+            try {
+                Object lib = Native.loadLibrary(libName, type, Collections.singletonMap(Library.OPTION_ALLOW_OBJECTS, allowObjects));
+                return type.cast(lib);
+            } catch (LinkageError err) {
+                if (errors != null) {
+                    errors.add(err);
+                    return null;
+                } else {
+                    throw err;
+                }
+            }
+        }
+
+        private LinkageError linkageError(List errors) {
+            StringWriter sw = new StringWriter();
+            String libraryPath = System.getProperty("java.library.path");
+            sw.append("Java Library Path:");
+            if (libraryPath != null) {
+                for (String pathElement : libraryPath.split(File.pathSeparator)) {
+                    sw.append("\n  Path ").append(pathElement);
+                    File pathFile = new File(pathElement);
+                    String[] libraries = pathFile.list();
+                    if (libraries != null) {
+                        for (String lib : libraries) {
+                            sw.append("\n    ").append(lib);
+                        }
+                    }
+                }
+                sw.append("\n");
+            }
+            PrintWriter pw = new PrintWriter(sw);
+            for (Throwable t : errors) {
+                t.printStackTrace(pw);
+            }
+            sw.append("\nStatus:");
+            sw.append("\n  jsc: " + jsc);
+            sw.append("\n  g: " + g);
+            sw.append("\n  glib: " + glib);
+            sw.append("\n  gdk: " + gdk);
+            sw.append("\n  webKit: " + webKit);
+            return new LinkageError(sw.toString());
+        }
+    }
+}
+
+interface InvokeLater extends Callback {
+    public void run();
+}
diff --git a/renderer/src/main/java/com/dukescript/presenters/renderer/JSC.java b/renderer/src/main/java/com/dukescript/presenters/renderer/JSC.java
new file mode 100644
index 00000000..b7756e3d
--- /dev/null
+++ b/renderer/src/main/java/com/dukescript/presenters/renderer/JSC.java
@@ -0,0 +1,293 @@
+package com.dukescript.presenters.renderer;
+
+/*
+ * #%L
+ * Desktop Browser Renderer - a library from the "DukeScript Presenters" project.
+ * 
+ * Dukehoff GmbH designates this particular file as subject to the "Classpath"
+ * exception as provided in the README.md file that accompanies this code.
+ * %%
+ * Copyright (C) 2015 - 2019 Dukehoff GmbH
+ * %%
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ * 
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public
+ * License along with this program.  If not, see
+ * .
+ * #L%
+ */
+
+
+import com.sun.jna.Callback;
+import com.sun.jna.Library;
+import com.sun.jna.Memory;
+import com.sun.jna.Pointer;
+import com.sun.jna.Structure;
+import com.sun.jna.ptr.PointerByReference;
+import java.util.Arrays;
+import java.util.List;
+
+/** Interface to JavaScriptCore native library.
+ */
+public interface JSC extends Library {
+    /** Data to create new JSC class definition.
+     */
+    public static final class JSClassDefinition extends Structure {
+
+        public int version; /* current (and only) version is 0 */
+        public int attributes;
+        public String className = "javaClazz";
+        public Pointer parentClass;
+        public Pointer staticValues;
+        public Pointer staticFunctions;
+        public Pointer initialize;
+        public Callback finalize;
+        public Pointer hasProperty;
+        public Pointer getProperty;
+        public Pointer setProperty;
+        public Pointer deleteProperty;
+        public Pointer getPropertyNames;
+        public Pointer callAsFunction;
+        public Pointer callAsConstructor;
+        public Pointer hasInstance;
+        public Pointer convertToType;
+
+        public JSClassDefinition(Callback finalize) {
+            this.finalize = finalize;
+        }
+
+        @Override
+        protected List getFieldOrder() {
+            return Arrays.asList(
+                "version", "attributes", "className", "parentClass", 
+                "staticValues", "staticFunctions", "initialize", 
+                "finalize", "hasProperty", "getProperty", "setProperty", 
+                "deleteProperty", "getPropertyNames", "callAsFunction", 
+                "callAsConstructor", "hasInstance", "convertToType"
+            );
+        }
+    }
+
+    Pointer JSClassCreate(JSClassDefinition def);
+
+    /*!
+    @function
+    @abstract Tests whether a JavaScript value is an object with a given class in its class chain.
+    @param ctx The execution context to use.
+    @param value The JSValue to test.
+    @param jsClass The JSClass to test against.
+    @result true if value is an object and has jsClass in its class chain, otherwise false.
+     */
+    int JSValueIsObjectOfClass(Pointer ctx, Pointer value, Pointer jsClass);
+
+    Pointer JSContextGetGlobalObject(Pointer ctx);
+
+    Pointer JSStringCreateWithUTF8CString(String s);
+
+    Pointer JSStringRetain(Pointer string);
+
+    Pointer JSStringRelease(Pointer string);
+
+    int JSStringGetMaximumUTF8CStringSize(Pointer string);
+
+    int JSStringGetUTF8CString(Pointer string, Memory mem, int bufferSize);
+
+    boolean JSStringIsEqual(Pointer a, Pointer b);
+
+    boolean JSStringIsEqualToUTF8CString(Pointer a, String b);
+
+    /*!
+    @function JSEvaluateScript
+    @abstract Evaluates a string of JavaScript.
+    @param ctx The execution context to use.
+    @param script A JSString containing the script to evaluate.
+    @param thisObject The object to use as "this," or NULL to use the global object as "this."
+    @param sourceURL A JSString containing a URL for the script's source file. This is only used when reporting exceptions. Pass NULL if you do not care to include source file information in exceptions.
+    @param startingLineNumber An integer value specifying the script's starting line number in the file located at sourceURL. This is only used when reporting exceptions. The value is one-based, so the first line is line 1 and invalid values are clamped to 1.
+    @param exception A pointer to a JSValueRef in which to store an exception, if any. Pass NULL if you do not care to store an exception.
+    @result The JSValue that results from evaluating script, or NULL if an exception is thrown.
+     */
+    Pointer JSEvaluateScript(Pointer ctx, Pointer script, Pointer thisObject, Pointer sourceURL, int startingLineNumber, PointerByReference exception);
+
+    /*!
+    @function
+    @abstract Sets a property on an object.
+    @param ctx The execution context to use.
+    @param object The JSObject whose property you want to set.
+    @param propertyName A JSString containing the property's name.
+    @param value A JSValue to use as the property's value.
+    @param exception A pointer to a JSValueRef in which to store an exception, if any. Pass NULL if you do not care to store an exception.
+    @param attributes A logically ORed set of JSPropertyAttributes to give to the property.
+     */
+    void JSObjectSetProperty(Pointer ctx, Pointer object, Pointer propertyName, Pointer value, int attributes, PointerByReference exception);
+
+    /*!
+    @function
+    @abstract Gets a property from an object.
+    @param ctx The execution context to use.
+    @param object The JSObject whose property you want to get.
+    @param propertyName A JSString containing the property's name.
+    @param exception A pointer to a JSValueRef in which to store an exception, if any. Pass NULL if you do not care to store an exception.
+    @result The property's value if object has the property, otherwise the undefined value.
+     */
+    Pointer JSObjectGetProperty(Pointer ctx, Pointer object, Pointer propertyName, PointerByReference exception);
+
+    /*!
+    @function
+    @abstract Gets a property from an object by numeric index.
+    @param ctx The execution context to use.
+    @param object The JSObject whose property you want to get.
+    @param propertyIndex An integer value that is the property's name.
+    @param exception A pointer to a JSValueRef in which to store an exception, if any. Pass NULL if you do not care to store an exception.
+    @result The property's value if object has the property, otherwise the undefined value.
+    @discussion Calling JSObjectGetPropertyAtIndex is equivalent to calling JSObjectGetProperty with a string containing propertyIndex, but JSObjectGetPropertyAtIndex provides optimized access to numeric properties.
+     */
+    Pointer JSObjectGetPropertyAtIndex(Pointer ctx, Pointer object, int propertyIndex, PointerByReference exception);
+
+    /*!
+    @function
+    @abstract Convenience method for creating a JavaScript function with a given callback as its implementation.
+    @param ctx The execution context to use.
+    @param name A JSString containing the function's name. This will be used when converting the function to string. Pass NULL to create an anonymous function.
+    @param callAsFunction The JSObjectCallAsFunctionCallback to invoke when the function is called.
+    @result A JSObject that is a function. The object's prototype will be the default function prototype.
+     */
+    Pointer JSObjectMakeFunctionWithCallback(Pointer ctx, Pointer name, Callback callAsFunction);
+
+    /*!
+    @function
+    @abstract Creates a function with a given script as its body.
+    @param ctx The execution context to use.
+    @param name A JSString containing the function's name. This will be used when converting the function to string. Pass NULL to create an anonymous function.
+    @param parameterCount An integer count of the number of parameter names in parameterNames.
+    @param parameterNames A JSString array containing the names of the function's parameters. Pass NULL if parameterCount is 0.
+    @param body A JSString containing the script to use as the function's body.
+    @param sourceURL A JSString containing a URL for the script's source file. This is only used when reporting exceptions. Pass NULL if you do not care to include source file information in exceptions.
+    @param startingLineNumber An integer value specifying the script's starting line number in the file located at sourceURL. This is only used when reporting exceptions. The value is one-based, so the first line is line 1 and invalid values are clamped to 1.
+    @param exception A pointer to a JSValueRef in which to store a syntax error exception, if any. Pass NULL if you do not care to store a syntax error exception.
+    @result A JSObject that is a function, or NULL if either body or parameterNames contains a syntax error. The object's prototype will be the default function prototype.
+    @discussion Use this method when you want to execute a script repeatedly, to avoid the cost of re-parsing the script before each execution.
+     */
+    Pointer JSObjectMakeFunction(Pointer ctx, Pointer name, int parameterCount, Pointer[] parameterNames, Pointer body, Pointer sourceURL, int startingLineNumber, PointerByReference exception);
+
+    /*!
+    @function
+    @abstract Calls an object as a function.
+    @param ctx The execution context to use.
+    @param object The JSObject to call as a function.
+    @param thisObject The object to use as "this," or NULL to use the global object as "this."
+    @param argumentCount An integer count of the number of arguments in arguments.
+    @param arguments A JSValue array of arguments to pass to the function. Pass NULL if argumentCount is 0.
+    @param exception A pointer to a JSValueRef in which to store an exception, if any. Pass NULL if you do not care to store an exception.
+    @result The JSValue that results from calling object as a function, or NULL if an exception is thrown or object is not a function.
+     */
+    Pointer JSObjectCallAsFunction(Pointer ctx, Pointer object, Pointer thisObject, int argumentCount, Pointer[] arguments, PointerByReference exception);
+
+    /*!
+    @function
+    @abstract       Creates a JavaScript value of the null type.
+    @param ctx  The execution context to use.
+    @result         The unique null value.
+     */
+    Pointer JSValueMakeNull(Pointer ctx);
+
+    /*!
+    @function
+    @abstract       Creates a JavaScript value of the boolean type.
+    @param ctx  The execution context to use.
+    @param boolean  The bool to assign to the newly created JSValue.
+    @result         A JSValue of the boolean type, representing the value of boolean.
+     */
+    Pointer JSValueMakeBoolean(Pointer ctx, boolean val);
+
+    /*!
+    @function
+    @abstract       Creates a JavaScript value of the number type.
+    @param ctx  The execution context to use.
+    @param number   The double to assign to the newly created JSValue.
+    @result         A JSValue of the number type, representing the value of number.
+     */
+    Pointer JSValueMakeNumber(Pointer ctx, double number);
+
+    /*!
+    @function
+    @abstract       Creates a JavaScript value of the string type.
+    @param ctx  The execution context to use.
+    @param string   The JSString to assign to the newly created JSValue. The
+    newly created JSValue retains string, and releases it upon garbage collection.
+    @result         A JSValue of the string type, representing the value of string.
+     */
+    Pointer JSValueMakeString(Pointer ctx, /*JSStringRef*/ Pointer string);
+
+    /*!
+    @function
+    @abstract Creates a JavaScript Array object.
+    @param ctx The execution context to use.
+    @param argumentCount An integer count of the number of arguments in arguments.
+    @param arguments A JSValue array of data to populate the Array with. Pass NULL if argumentCount is 0.
+    @param exception A pointer to a JSValueRef in which to store an exception, if any. Pass NULL if you do not care to store an exception.
+    @result A JSObject that is an Array.
+    @discussion The behavior of this function does not exactly match the behavior of the built-in Array constructor. Specifically, if one argument
+    is supplied, this function returns an array with one element.
+     */
+    Pointer JSObjectMakeArray(Pointer ctx, int argumentCount, Pointer[] data, PointerByReference exception);
+
+    /*!
+    @function
+    @abstract Creates a JavaScript object.
+    @param ctx The execution context to use.
+    @param jsClass The JSClass to assign to the object. Pass NULL to use the default object class.
+    @param data A void* to set as the object's private data. Pass NULL to specify no private data.
+    @result A JSObject with the given class and private data.
+    @discussion The default object class does not allocate storage for private data, so you must provide a non-NULL jsClass to JSObjectMake if you want your object to be able to store private data.
+    data is set on the created object before the intialize methods in its class chain are called. This enables the initialize methods to retrieve and manipulate data through JSObjectGetPrivate.
+     */
+    Pointer JSObjectMake(Pointer ctx, Pointer jsClass, Object data);
+
+    Object JSObjectGetPrivate(Pointer object);
+
+    int JSValueGetType(Pointer ctx, Pointer value);
+
+    /*!
+    @function
+    @abstract       Converts a JavaScript value to number and returns the resulting number.
+    @param ctx  The execution context to use.
+    @param value    The JSValue to convert.
+    @param exception A pointer to a JSValueRef in which to store an exception, if any. Pass NULL if you do not care to store an exception.
+    @result         The numeric result of conversion, or NaN if an exception is thrown.
+     */
+    double JSValueToNumber(Pointer ctx, Pointer value, PointerByReference exception);
+
+    /*!
+    @function
+    @abstract       Converts a JavaScript value to string and copies the result into a JavaScript string.
+    @param ctx  The execution context to use.
+    @param value    The JSValue to convert.
+    @param exception A pointer to a JSValueRef in which to store an exception, if any. Pass NULL if you do not care to store an exception.
+    @result         A JSString with the result of conversion, or NULL if an exception is thrown. Ownership follows the Create Rule.
+     */
+    Pointer JSValueToStringCopy(Pointer ctx, Pointer value, PointerByReference exception);
+
+    /*!
+    @function
+    @abstract Converts a JavaScript value to object and returns the resulting object.
+    @param ctx  The execution context to use.
+    @param value    The JSValue to convert.
+    @param exception A pointer to a JSValueRef in which to store an exception, if any. Pass NULL if you do not care to store an exception.
+    @result         The JSObject result of conversion, or NULL if an exception is thrown.
+     */
+    Pointer JSValueToObject(Pointer ctx, Pointer value, PointerByReference exception);
+
+    void JSValueProtect(Pointer ctx, Pointer value);
+
+    void JSValueUnprotect(Pointer ctx, Pointer value);
+    
+}
diff --git a/renderer/src/main/java/com/dukescript/presenters/renderer/Show.java b/renderer/src/main/java/com/dukescript/presenters/renderer/Show.java
new file mode 100644
index 00000000..1ab9cb76
--- /dev/null
+++ b/renderer/src/main/java/com/dukescript/presenters/renderer/Show.java
@@ -0,0 +1,116 @@
+package com.dukescript.presenters.renderer;
+
+/*
+ * #%L
+ * Desktop Browser Renderer - a library from the "DukeScript Presenters" project.
+ * 
+ * Dukehoff GmbH designates this particular file as subject to the "Classpath"
+ * exception as provided in the README.md file that accompanies this code.
+ * %%
+ * Copyright (C) 2015 - 2019 Dukehoff GmbH
+ * %%
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ * 
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public
+ * License along with this program.  If not, see
+ * .
+ * #L%
+ */
+
+
+import com.sun.jna.Pointer;
+import java.io.IOException;
+import java.io.InterruptedIOException;
+import java.net.URI;
+import java.util.Arrays;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+import org.netbeans.html.boot.spi.Fn;
+
+/** Support for displaying browser.
+ */
+public abstract class Show {
+    static final Logger LOG = Logger.getLogger(Show.class.getName());
+
+    Show() {
+    }
+    
+    /** Shows a page in a browser.
+     * 
+     * @param impl the name of implementation to use, can be null
+     * @param page the page URL
+     * @throws IOException if something goes wrong
+     */
+    public static void show(String impl, URI page) throws IOException {
+        try {
+            Class c = Class.forName("com.dukescript.presenters.renderer." + impl);
+            Show show = (Show) c.newInstance();
+            show.show(page);
+        } catch (IOException ex) {
+            throw ex;
+        } catch (Exception ex) {
+            if (impl == null) {
+                impl = "xdg-open";
+            }
+            LOG.log(Level.INFO, "Trying command line execution of {0}", impl);
+            String[] cmdArr = {
+                impl, page.toString()
+            };
+            LOG.log(Level.INFO, "Launching {0}", Arrays.toString(cmdArr));
+            final Process process = Runtime.getRuntime().exec(cmdArr);
+            try {
+                process.waitFor();
+            } catch (InterruptedException ex1) {
+                throw (InterruptedIOException) new InterruptedIOException().initCause(ex1);
+            }
+        }
+    }
+    
+    /** Initializes native browser window.
+     * 
+     * @param presenter the presenter that will be using the returned value
+     * @param onPageLoad callback when page finishes loading
+     * @param onContext callback when {@link #jsContext()} becomes available
+     * @param headless should the window appear on the monitor or not?
+     *   useful for testing
+     * @return object to query and control the browser window
+     */
+    public static Show open(Fn.Presenter presenter, Runnable onPageLoad, Runnable onContext, boolean headless) {
+        boolean isMac = System.getProperty("os.name").contains("Mac");
+        return isMac ?
+            new Cocoa(presenter, onPageLoad, onContext, headless) :
+            new GTK(presenter, onPageLoad, onContext, headless);
+    }
+
+    /** Loads a page into the browser window.
+     * 
+     * @param page the URL to load
+     * @throws IOException if something goes wrong
+     */
+    public abstract void show(URI page) throws IOException;
+    
+    /** Access to JavaScriptCore API of the browser window.
+     * @return JavaScriptCore instance or null if not supported
+     *   for this browser
+     */
+    public abstract JSC jsc();
+
+    /** Access to JavaScriptCore context.
+     * @return the context or null if not supported or not 
+     *   yet available
+     */
+    public abstract Pointer jsContext();
+    
+    /** Executes a runnable on "UI thread".
+     * @param command runnable to execute
+     */
+    public abstract void execute(Runnable command);
+}
diff --git a/webkit/pom.xml b/webkit/pom.xml
new file mode 100644
index 00000000..66355b78
--- /dev/null
+++ b/webkit/pom.xml
@@ -0,0 +1,155 @@
+
+
+    4.0.0
+    
+        com.dukescript.presenters
+        pom
+        2.0-SNAPSHOT
+    
+    webkit
+    WebKit Presenter
+    jar
+    
+        none
+        ${project.parent.basedir}
+    
+    
+        
+            
+                org.apache.maven.plugins
+                maven-compiler-plugin
+                
+                    
+                        ${project.version}
+                    
+                    1.7
+                    1.7
+                
+            
+            
+                org.apache.maven.plugins
+                maven-javadoc-plugin
+                
+                    false
+                    com.dukescript.presenters
+                
+                
+                    
+                        attach-javadocs
+                        
+                            jar
+                        
+                    
+                
+            
+            
+                org.apache.maven.plugins
+                maven-surefire-plugin
+                2.18.1
+                
+                    always
+                
+            
+            
+                org.netbeans.html
+                html4j-maven-plugin
+                ${net.java.html.version}
+                
+                    
+                        classes
+                        
+                            process-js-annotations
+                        
+                    
+                    
+                        test-classes
+                        process-test-classes
+                        
+                            process-js-annotations
+                        
+                        
+                            ${project.build.directory}/test-classes
+                        
+                    
+                
+                        
+        
+    
+    
+        
+            org.testng
+            testng
+            ${testng.version}
+            test
+        
+        
+            net.java.dev.jna
+            jna
+            ${jna.version}
+        
+        
+            org.netbeans.html
+            net.java.html.boot
+            ${net.java.html.version}
+            jar
+        
+        
+            org.netbeans.api
+            org-openide-util-lookup
+            ${netbeans.version}
+            provided
+        
+        
+            org.netbeans.html
+            net.java.html.json.tck
+            ${net.java.html.version}
+            test
+            jar
+        
+        
+        
+        
+            org.glassfish.grizzly
+            grizzly-http-server
+            ${grizzly.version}
+            test
+        
+        
+            org.glassfish.grizzly
+            grizzly-websockets-server
+            ${grizzly.version}
+            test
+            jar
+        
+        
+            org.glassfish.grizzly
+            grizzly-http-servlet
+            ${grizzly.version}
+            test
+            
+        
+            javax.servlet
+            javax.servlet-api
+            3.1.0
+            test
+        
+        
+            org.netbeans.html
+            ko4j
+            ${net.java.html.version}
+            test
+            jar
+        
+        
+            com.dukescript.api
+            strings
+            ${project.version}
+            provided
+        
+        
+            ${project.groupId}
+            renderer
+            ${project.version}
+        
+    
+
\ No newline at end of file
diff --git a/webkit/src/main/java/com/dukescript/presenters/webkit/UnJarResources.java b/webkit/src/main/java/com/dukescript/presenters/webkit/UnJarResources.java
new file mode 100644
index 00000000..febcdd5e
--- /dev/null
+++ b/webkit/src/main/java/com/dukescript/presenters/webkit/UnJarResources.java
@@ -0,0 +1,74 @@
+package com.dukescript.presenters.webkit;
+
+/*
+ * #%L
+ * WebKit Presenter - a library from the "DukeScript Presenters" project.
+ * 
+ * Dukehoff GmbH designates this particular file as subject to the "Classpath"
+ * exception as provided in the README.md file that accompanies this code.
+ * %%
+ * Copyright (C) 2015 - 2019 Dukehoff GmbH
+ * %%
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ * 
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public
+ * License along with this program.  If not, see
+ * .
+ * #L%
+ */
+
+import java.io.File;
+import java.io.IOException;
+import java.io.InputStream;
+import java.net.JarURLConnection;
+import java.net.URL;
+import java.nio.file.Files;
+import java.util.Enumeration;
+import java.util.jar.JarEntry;
+import java.util.jar.JarFile;
+
+
+final class UnJarResources {
+    static URL extract(URL url) throws IOException {
+        if (!"jar".equals(url.getProtocol())) {
+            return url;
+        }
+        JarURLConnection jarConnection = (JarURLConnection) url.openConnection();
+        JarFile jar = jarConnection.getJarFile();
+        if (jar == null) {
+            return url;
+        }
+        File dir = File.createTempFile(jar.getName(), ".dir");
+        dir.delete();
+        dir.mkdirs();
+
+        Enumeration en = jar.entries();
+        while (en.hasMoreElements()) {
+            JarEntry entry = en.nextElement();
+            final String entryName = entry.getName();
+            if (entryName.endsWith(".class") || entryName.endsWith("/")) {
+                continue;
+            }
+            File file = new File(dir, entryName.replace('/', File.separatorChar));
+            file.getParentFile().mkdirs();
+            try (InputStream is = jar.getInputStream(entry)) {
+                Files.copy(is, file.toPath());
+            }
+        }
+
+        File file = new File(dir, jarConnection.getEntryName().replace('/', File.separatorChar));
+        if (file.exists()) {
+            return file.toURI().toURL();
+        } else {
+            return url;
+        }
+    }
+}
diff --git a/webkit/src/main/java/com/dukescript/presenters/webkit/WebKitPresenter.java b/webkit/src/main/java/com/dukescript/presenters/webkit/WebKitPresenter.java
new file mode 100644
index 00000000..d7924a43
--- /dev/null
+++ b/webkit/src/main/java/com/dukescript/presenters/webkit/WebKitPresenter.java
@@ -0,0 +1,536 @@
+package com.dukescript.presenters.webkit;
+
+/*
+ * #%L
+ * WebKit Presenter - a library from the "DukeScript Presenters" project.
+ * 
+ * Dukehoff GmbH designates this particular file as subject to the "Classpath"
+ * exception as provided in the README.md file that accompanies this code.
+ * %%
+ * Copyright (C) 2015 - 2019 Dukehoff GmbH
+ * %%
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ * 
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public
+ * License along with this program.  If not, see
+ * .
+ * #L%
+ */
+
+
+import com.dukescript.presenters.renderer.JSC;
+import com.dukescript.presenters.renderer.Show;
+import com.sun.jna.Callback;
+import com.sun.jna.Memory;
+import com.sun.jna.Native;
+import com.sun.jna.Pointer;
+import com.sun.jna.ptr.PointerByReference;
+import java.io.Reader;
+import java.lang.ref.PhantomReference;
+import java.lang.ref.ReferenceQueue;
+import java.lang.ref.WeakReference;
+import java.lang.reflect.Array;
+import java.lang.reflect.Method;
+import java.net.URL;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.Map;
+import java.util.Set;
+import java.util.concurrent.Executor;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+import org.netbeans.html.boot.spi.Fn;
+import org.openide.util.lookup.ServiceProvider;
+import com.dukescript.api.strings.Texts;
+
+/** Displays using native WebKit component on Linux and Mac OS X.
+ * Requires necessary native libraries to be installed. Uses GTK3 on
+ * Linux which may not co-exist well with GTK2 (used by JDK's default AWT
+ * toolkit).
+ */
+@ServiceProvider(service = Fn.Presenter.class)
+public final class WebKitPresenter implements Fn.Presenter, Fn.KeepAlive, Executor {
+    private static final Logger LOG = Logger.getLogger(WebKitPresenter.class.getName());
+    private final Show shell;
+    private Runnable onPageLoad;
+    private OnFinalize onFinalize;
+    private Pointer ctx;
+    private Pointer javaClazz;
+    private final Map toJava = new HashMap<>();
+    private Pointer arrayLength;
+    private Pointer valueTrue;
+    private Pointer valueFalse;
+    private String onPageApp;
+
+    public WebKitPresenter() {
+        this(false);
+    }
+    
+    WebKitPresenter(boolean headless) {
+        shell = Show.open(this, new Runnable() {
+            @Override
+            public void run() {
+                onPageLoad.run();
+            }
+        }, new Runnable() {
+            @Override
+            public void run() {
+                jsContext(shell.jsContext());
+            }
+        }, headless);
+    }
+    
+    @Override
+    public Fn defineFn(String code, String... names) {
+        return defineFn(code, names, null);
+    }
+    @Override
+    public Fn defineFn(String code, String[] names, boolean[] keepAlive) {
+        JSC jsc = shell.jsc();
+        Pointer[] jsNames = new Pointer[names.length];
+        for (int i = 0; i < jsNames.length; i++) {
+            jsNames[i] = jsc.JSStringCreateWithUTF8CString(names[i]);
+        }
+        Pointer jsCode = jsc.JSStringCreateWithUTF8CString(code);
+        PointerByReference exc = new PointerByReference();
+        Pointer fn = jsc.JSObjectMakeFunction(ctx, null, names.length, jsNames, jsCode, null, 1, exc);
+        if (fn == null) {
+            throw new IllegalStateException("Cannot initialize function: " + exc.getValue());
+        }
+        
+        jsc.JSStringRelease(jsCode);
+        for (Pointer jsName : jsNames) {
+            jsc.JSStringRelease(jsName);
+        }
+        return new JSCFn(fn, keepAlive);
+    }
+
+    @Override
+    public void displayPage(URL page, Runnable onPageLoad) {
+        this.onPageLoad = onPageLoad;
+        this.onPageApp = findCalleeClassName();
+        try {
+            if ("jar".equals(page.getProtocol())) {
+                page = UnJarResources.extract(page);
+            }
+
+            shell.show(page.toURI());
+        } catch (Throwable t) {
+            LOG.log(Level.SEVERE, onPageApp, t);
+        }
+    }
+
+    @Override
+    public void loadScript(Reader code) throws Exception {
+        StringBuilder sb = new StringBuilder();
+        for (;;) {
+            int ch = code.read();
+            if (ch == -1) {
+                break;
+            }
+            sb.append((char)ch);
+        }
+        Pointer script = shell.jsc().JSStringCreateWithUTF8CString(sb.toString());
+        PointerByReference ex = new PointerByReference();
+        shell.jsc().JSEvaluateScript(ctx, script, null, null, 1, ex);
+        shell.jsc().JSStringRelease(script);
+        if (ex.getValue() != null) {
+            throw new Exception(convertToString(shell.jsc(), ex.getValue()));
+        }
+    }
+    
+    Pointer[] convertFromJava(Object... args) throws Exception {
+        return convertFromJava(args, null);
+    }
+    Pointer[] convertFromJava(Object[] args, boolean[] keepAlive) throws Exception {
+        JSC jsc = shell.jsc();
+        Pointer[] arr = new Pointer[args.length];
+        for (int i = 0; i < arr.length; i++) {
+            Object v = args[i];
+            if (v == null) {
+                v = jsc.JSValueMakeNull(ctx);
+            } else if (v instanceof Number) {
+                v = jsc.JSValueMakeNumber(ctx, ((Number)v).doubleValue());
+            } else if (v instanceof Boolean) {
+                v = ((Boolean)v) ? valueTrue : valueFalse;
+            } else if (v instanceof String) {
+                Pointer str = jsc.JSStringCreateWithUTF8CString((String)v);
+                v = jsc.JSValueMakeString(ctx, str);
+                jsc.JSStringRelease(str);
+            } else if (v instanceof Enum) {
+                Pointer str = jsc.JSStringCreateWithUTF8CString(((Enum)v).name());
+                v = jsc.JSValueMakeString(ctx, str);
+                jsc.JSStringRelease(str);
+            } else if (v instanceof Character) {
+                v = jsc.JSValueMakeNumber(ctx, (Character)v);
+            } else if (v instanceof JSObject) {
+                v = ((JSObject)v).value;
+            } else if (v instanceof int[]) {
+                int[] numbers = (int[])v;
+                Pointer[] content = new Pointer[numbers.length];
+                for (int j = 0; j < content.length; j++) {
+                    content[j] = jsc.JSValueMakeNumber(ctx, numbers[j]);
+                }
+                v = jsc.JSObjectMakeArray(ctx, content.length, content, null);
+            } else if (v instanceof double[]) {
+                double[] numbers = (double[])v;
+                Pointer[] content = new Pointer[numbers.length];
+                for (int j = 0; j < content.length; j++) {
+                    content[j] = jsc.JSValueMakeNumber(ctx, numbers[j]);
+                }
+                v = jsc.JSObjectMakeArray(ctx, content.length, content, null);
+            } else if (v instanceof Object[]) {
+                Pointer[] content = convertFromJava((Object[])v);
+                v = jsc.JSObjectMakeArray(ctx, content.length, content, null);
+            } else if (v.getClass().isArray()) {
+                int len = Array.getLength(v);
+                Object[] boxed = new Object[len];
+                for (int j = 0; j < len; j++) {
+                    boxed[j] = Array.get(v, j);
+                }
+                Pointer[] content = convertFromJava(boxed);
+                v = jsc.JSObjectMakeArray(ctx, content.length, content, null);
+            } else if (v.getClass().getSimpleName().equals("$JsCallbacks$")) {
+                Pointer vm = jsc.JSObjectMake(ctx, null, null);
+                for (Method method : v.getClass().getMethods()) {
+                    if (method.getDeclaringClass() != v.getClass()) {
+                        continue;
+                    }
+                    Pointer name = jsc.JSStringCreateWithUTF8CString(method.getName());
+                    FnCallback fnC = new FnCallback(v, method);
+                    toJava.put(fnC, fnC);
+                    Pointer fn = jsc.JSObjectMakeFunctionWithCallback(ctx, null, fnC);
+                    jsc.JSObjectSetProperty(ctx, vm, name, fn, 0, null);
+                    jsc.JSStringRelease(name);
+                }
+                v = vm;
+            } else {
+                Pointer p = jsc.JSObjectMake(ctx, javaClazz, null);
+                if (keepAlive == null || keepAlive[i]) { 
+                    toJava.put(p, v);
+                } else {
+                    toJava.put(p, new WeakVal(v));
+                }
+                protect(v, p);
+                v = p;
+            }
+            arr[i] = (Pointer) v;
+        }
+        return arr;
+    }
+    
+    final String convertToString(JSC jsc, Pointer value) {
+        int type = jsc.JSValueGetType(ctx, value);
+        if (type == 5) {
+            Pointer toStr = jsc.JSStringCreateWithUTF8CString("this.toString()");
+            value = jsc.JSEvaluateScript(ctx, toStr, value, null, 0, null);
+            jsc.JSStringRelease(toStr);
+        }
+        Object ret = convertToJava(jsc, String.class, value);
+        return ret != null ? ret.toString() : "";
+    }
+    
+    final Object convertToJava(JSC jsc, Class expectedType, Pointer value) throws IllegalStateException {
+        int type = jsc.JSValueGetType(ctx, value);
+        /*
+        typedef enum {
+        kJSTypeUndefined,
+        kJSTypeNull,
+        kJSTypeBoolean,
+        kJSTypeNumber,
+        kJSTypeString,
+        kJSTypeObject
+        } JSType;
+        */
+        switch (type) {
+            case 0: 
+            case 1:
+                return null;
+            case 2: {
+                double probability = jsc.JSValueToNumber(ctx, value, null);
+                if (expectedType == boolean.class) {
+                    expectedType = Boolean.class;
+                }
+                return expectedType.cast(probability >= 0.5);
+            }
+            case 3: {
+                Double ret = jsc.JSValueToNumber(ctx, value, null);
+                if (expectedType.isInstance(ret) || expectedType == double.class) {
+                    return ret;
+                }
+                if (expectedType == Integer.class || expectedType == int.class) {
+                    return ret.intValue();
+                }
+                if (expectedType == Float.class || expectedType == float.class) {
+                    return ret.floatValue();
+                }
+                if (expectedType == Long.class || expectedType == long.class) {
+                    return ret.longValue();
+                }
+                if (expectedType == Short.class || expectedType == short.class) {
+                    return ret.shortValue();
+                }
+                if (expectedType == Byte.class || expectedType == byte.class) {
+                    return ret.byteValue();
+                }
+                if (expectedType == Character.class || expectedType == char.class) {
+                    return (char)ret.intValue();
+                }
+                throw new ClassCastException("Cannot convert double to " + expectedType);
+            }
+            case 4: {
+                Pointer val = jsc.JSValueToStringCopy(ctx, value, null);
+                int max = jsc.JSStringGetMaximumUTF8CStringSize(val);
+                Memory mem = new Memory(max);
+                jsc.JSStringGetUTF8CString(val, mem, max);
+                return expectedType.cast(mem.getString(0));
+            }
+            case 5: {
+                Object ret;
+                if (isJavaClazz(value)) {
+                    ret = toJava.get(value);
+                    if (ret instanceof WeakVal) {
+                        ret = ((WeakVal)ret).get();
+                    }
+                } else {
+                    PointerByReference ex = new PointerByReference();
+                    Pointer checkArray = jsc.JSObjectCallAsFunction(ctx, arrayLength, null, 1, new Pointer[] { value }, ex);
+                    if (checkArray == null) {
+                        throw new RuntimeException(convertToString(jsc, ex.getValue()));
+                    }
+                    int len = (int)jsc.JSValueToNumber(ctx, checkArray, null);
+                    if (len >= 0) {
+                        Object[] arr = new Object[len];
+                        for (int i = 0; i < len; i++) {
+                            Pointer val = jsc.JSObjectGetPropertyAtIndex(ctx, value, i, null);
+                            arr[i] = convertToJava(jsc, Object.class, val);
+                        }
+                        return arr;
+                    }
+                    ret = new JSObject(this, value);
+                }
+                return expectedType.cast(ret);
+            }
+            default:
+                throw new IllegalStateException("Uknown type: " + type);
+        }
+    }
+
+    @Override
+    public void execute(Runnable command) {
+        shell.execute(command);
+    }
+
+    final void jsContext(Pointer ctx) {
+        this.ctx = ctx;
+
+        JSC jsc = shell.jsc();
+        onFinalize = new WebKitPresenter.OnFinalize();
+        javaClazz = jsc.JSClassCreate(new JSC.JSClassDefinition(onFinalize));
+
+        boolean testInstance = false;
+        assert testInstance = true;
+        if (testInstance) {
+            Pointer testObj = jsc.JSObjectMake(ctx, javaClazz, null);
+            assert isJavaClazz(testObj) : "Own classes has to be recognized";
+        }
+
+        {
+            Pointer jsGlobal = ctx;
+            Pointer arrArg = jsc.JSStringCreateWithUTF8CString("x");
+            Pointer arrT = jsc.JSStringCreateWithUTF8CString("var res = x.constructor === Array ? x.length : -1; return res;");
+            Pointer arrFn = jsc.JSObjectMakeFunction(jsGlobal, null, 1, new Pointer[]{arrArg}, arrT, null, 0, null);
+            arrayLength = arrFn;
+            jsc.JSValueProtect(ctx, arrFn);
+            assert !isJavaClazz(arrayLength) : "functions aren't Java classes";
+        }
+        {
+            Pointer trueScr = jsc.JSStringCreateWithUTF8CString("true");
+            valueTrue = jsc.JSEvaluateScript(ctx, trueScr, null, null, 1, null);
+            jsc.JSStringRelease(trueScr);
+            jsc.JSValueProtect(ctx, valueTrue);
+            int vT = jsc.JSValueGetType(ctx, valueTrue);
+            assert vT == 2;
+            assert !isJavaClazz(valueTrue) : "true isn't Java class";
+        }
+        {
+            Pointer falseScr = jsc.JSStringCreateWithUTF8CString("false");
+            valueFalse = jsc.JSEvaluateScript(ctx, falseScr, null, null, 1, null);
+            jsc.JSValueProtect(ctx, valueFalse);
+            jsc.JSStringRelease(falseScr);
+            int vF = jsc.JSValueGetType(ctx, valueFalse);
+            assert vF == 2;
+            assert !isJavaClazz(valueFalse) : "false isn't Java class";
+        }
+    }
+
+    private boolean isJavaClazz(Pointer obj) {
+        final int ret = shell.jsc().JSValueIsObjectOfClass(ctx, obj, javaClazz);
+        return ret == 1;
+    }
+
+
+    @Texts({
+        "version=$version"
+    })
+    final void onPageLoad() {
+        final String who = "WebKitPresenter:" + shell.getClass().getSimpleName();
+        onPageLoad.run();
+    }
+    
+    private static final class JSObject {
+        private final Pointer value;
+
+        public JSObject(WebKitPresenter p, Pointer val) {
+            this.value = val;
+            p.protect(this, val);
+        }
+
+        @Override
+        public int hashCode() {
+            return value.hashCode();
+        }
+
+        @Override
+        public boolean equals(Object other) {
+            return other instanceof JSObject && value.equals(((JSObject)other).value);
+        }
+    }
+    
+    private static final ReferenceQueue QUEUE = new ReferenceQueue();
+    private static final Set ALL = new HashSet<>();
+    private void protect(Object obj, Pointer pointer) {
+        JSC jsc = shell.jsc();
+        jsc.JSValueProtect(ctx, pointer);
+        ALL.add(new Protector(obj, pointer));
+        cleanProtected();
+    }
+
+    private void cleanProtected() {
+        for (;;) {
+            Protector p = (Protector)QUEUE.poll();
+            if (p == null) {
+                break;
+            }
+            ALL.remove(p);
+            p.unprotect();
+        }
+    }
+    private final class Protector extends PhantomReference {
+        private final Pointer pointer;
+        
+        public Protector(Object referent, Pointer p) {
+            super(referent, QUEUE);
+            this.pointer = p;
+        }
+
+        public void unprotect() {
+            JSC jsc = shell.jsc();
+            jsc.JSValueUnprotect(ctx, pointer);
+        }
+    }
+        
+    private final class JSCFn extends Fn {
+        private final Pointer fn;
+        private final boolean[] keepAlive;
+        
+        public JSCFn(Pointer fn, boolean[] keepAlive) {
+            this.fn = fn;
+            this.keepAlive = keepAlive;
+            protect(this, fn);
+        }
+
+        @Override
+        public Object invoke(Object thiz, Object... args) throws Exception {
+            cleanProtected();
+            JSC jsc = shell.jsc();
+            Pointer[] arr = convertFromJava(args, keepAlive);
+            Pointer jsThis = thiz == null ? null : convertFromJava(thiz)[0];
+            PointerByReference exception = new PointerByReference();
+            Pointer ret = jsc.JSObjectCallAsFunction(ctx, fn, jsThis, arr.length, arr, exception);
+            if (exception.getValue() != null) {
+                throw new Exception(convertToString(jsc, exception.getValue()));
+            }
+            
+            return convertToJava(jsc, Object.class, ret);
+        }
+    }
+
+    
+    public final class FnCallback implements Callback {
+        private final Object vm;
+        private final Method method;
+
+        public FnCallback(Object vm, Method method) {
+            this.vm = vm;
+            this.method = method;
+        }
+        
+        public Pointer call(
+            Pointer jsContextRef, Pointer jsFunction, Pointer thisObject,
+            int argumentCount, PointerByReference ref, Pointer exception
+        ) throws Exception {
+            JSC jsc = shell.jsc();
+            int size = Native.getNativeSize(Pointer.class);
+            Object[] args = new Object[argumentCount];
+            for (int i = 0, offset = 0; i < argumentCount; i++, offset += size) {
+                args[i] = convertToJava(jsc, method.getParameterTypes()[i], ref.getPointer().getPointer(offset));
+            }
+            return convertFromJava(method.invoke(vm, args))[0];
+        }
+    }
+    
+    private final class OnFinalize implements Callback {
+        public void callback(Pointer obj) {
+            java.util.Iterator> it = toJava.entrySet().iterator();
+            while (it.hasNext()) {
+                Map.Entry entry = it.next();
+                if (entry.getValue() == obj) {
+                    it.remove();
+                    break;
+                }
+            }
+        }
+    }
+    
+    private static final class WeakVal extends WeakReference {
+        public WeakVal(Object referent) {
+            super(referent);
+        }
+    }
+
+    private static String findCalleeClassName() {
+        StackTraceElement[] frames = new Exception().getStackTrace();
+        for (StackTraceElement e : frames) {
+            String cn = e.getClassName();
+            if (cn.startsWith("com.dukescript.presenters.")) { // NOI18N
+                continue;
+            }
+            if (cn.startsWith("org.netbeans.html.")) { // NOI18N
+                continue;
+            }
+            if (cn.startsWith("net.java.html.")) { // NOI18N
+                continue;
+            }
+            if (cn.startsWith("java.")) { // NOI18N
+                continue;
+            }
+            if (cn.startsWith("javafx.")) { // NOI18N
+                continue;
+            }
+            if (cn.startsWith("com.sun.")) { // NOI18N
+                continue;
+            }
+            return cn;
+        }
+        return "org.netbeans.html"; // NOI18N
+    }
+}
diff --git a/webkit/src/test/java/com/dukescript/presenters/webkit/Case.java b/webkit/src/test/java/com/dukescript/presenters/webkit/Case.java
new file mode 100644
index 00000000..95b374f4
--- /dev/null
+++ b/webkit/src/test/java/com/dukescript/presenters/webkit/Case.java
@@ -0,0 +1,113 @@
+package com.dukescript.presenters.webkit;
+
+/*
+ * #%L
+ * WebKit Presenter - a library from the "DukeScript Presenters" project.
+ * 
+ * Dukehoff GmbH designates this particular file as subject to the "Classpath"
+ * exception as provided in the README.md file that accompanies this code.
+ * %%
+ * Copyright (C) 2015 - 2019 Dukehoff GmbH
+ * %%
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ * 
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public
+ * License along with this program.  If not, see
+ * .
+ * #L%
+ */
+
+
+
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
+import java.util.Timer;
+import java.util.TimerTask;
+import java.util.concurrent.Executor;
+import org.netbeans.html.boot.spi.Fn;
+import org.testng.IHookCallBack;
+import org.testng.IHookable;
+import org.testng.ITest;
+import org.testng.ITestResult;
+import org.testng.annotations.Test;
+
+public final class Case implements ITest, IHookable, Runnable {
+    private static final Timer T = new Timer("Interrupted Exception Handler");
+    private final Fn.Presenter p;
+    private final Method m;
+    private Object result;
+    private Object inst;
+
+    Case(Fn.Presenter p, Method m) {
+        this.p = p;
+        this.m = m;
+    }
+
+    @Override
+    public String getTestName() {
+        return m.getName();
+    }
+
+    @Test
+    public synchronized void executeTest() throws Exception {
+        if (result == null) {
+            Executor exec = (Executor) p;
+            exec.execute(this);
+            wait();
+        }
+        if (result instanceof Exception) {
+            throw (Exception)result;
+        }
+        if (result instanceof Error) {
+            throw (Error)result;
+        }
+    }
+
+    @Override
+    public synchronized void run() {
+        boolean notify = true;
+        try {
+            if (inst == null) {
+                inst = m.getDeclaringClass().newInstance();
+            }
+            result = m.invoke(inst);
+            if (result == null) {
+                result = this;
+            }
+        } catch (InvocationTargetException ex) {
+            Throwable r = ex.getTargetException();
+            if (r instanceof InterruptedException) {
+                notify = false;
+                TimerTask tt = new TimerTask() {
+                    @Override
+                    public void run() {
+                        ((Executor)p).execute(Case.this);
+                    }
+                };
+                T.schedule(tt, 100);
+                return;
+            }
+            result = r;
+        } catch (Exception ex) {
+            result = ex;
+        } finally {
+            if (notify) {
+                notifyAll();
+            }
+        }
+    }
+
+    @Override
+    public void run(IHookCallBack ihcb, ITestResult itr) {
+        ihcb.runTestMethod(itr);
+    }
+    
+}
diff --git a/webkit/src/test/java/com/dukescript/presenters/webkit/DynamicHTTP.java b/webkit/src/test/java/com/dukescript/presenters/webkit/DynamicHTTP.java
new file mode 100644
index 00000000..17de426a
--- /dev/null
+++ b/webkit/src/test/java/com/dukescript/presenters/webkit/DynamicHTTP.java
@@ -0,0 +1,246 @@
+package com.dukescript.presenters.webkit;
+
+/*
+ * #%L
+ * WebKit Presenter - a library from the "DukeScript Presenters" project.
+ * 
+ * Dukehoff GmbH designates this particular file as subject to the "Classpath"
+ * exception as provided in the README.md file that accompanies this code.
+ * %%
+ * Copyright (C) 2015 - 2019 Dukehoff GmbH
+ * %%
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ * 
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public
+ * License along with this program.  If not, see
+ * .
+ * #L%
+ */
+
+
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.io.Reader;
+import java.net.URI;
+import java.net.URISyntaxException;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+import org.glassfish.grizzly.PortRange;
+import org.glassfish.grizzly.http.server.HttpHandler;
+import org.glassfish.grizzly.http.server.HttpServer;
+import org.glassfish.grizzly.http.server.NetworkListener;
+import org.glassfish.grizzly.http.server.Request;
+import org.glassfish.grizzly.http.server.Response;
+import org.glassfish.grizzly.http.server.ServerConfiguration;
+import org.glassfish.grizzly.websockets.WebSocket;
+import org.glassfish.grizzly.websockets.WebSocketAddOn;
+import org.glassfish.grizzly.websockets.WebSocketApplication;
+import org.glassfish.grizzly.websockets.WebSocketEngine;
+
+final class DynamicHTTP extends HttpHandler {
+    private static final Logger LOG = Logger.getLogger(DynamicHTTP.class.getName());
+    private static int resourcesCount;
+    private static List resources;
+    private static ServerConfiguration conf;
+    private static HttpServer server;
+    
+    private DynamicHTTP() {
+    }
+    
+    static URI initServer() throws Exception {
+        server = HttpServer.createSimpleServer(null, new PortRange(8080, 65535));
+        final WebSocketAddOn addon = new WebSocketAddOn();
+        for (NetworkListener listener : server.getListeners()) {
+            listener.registerAddOn(addon);
+        }        
+        resources = new ArrayList();
+
+        conf = server.getServerConfiguration();
+        final DynamicHTTP dh = new DynamicHTTP();
+
+        conf.addHttpHandler(dh, "/");
+        
+        server.start();
+
+        return pageURL("http", server, "/test.html");
+    }
+    
+    @Override
+    public void service(Request request, Response response) throws Exception {
+        if ("/test.html".equals(request.getRequestURI())) {
+            response.setContentType("text/html");
+            final InputStream is = new ByteArrayInputStream((
+                "" +
+                "
GTK harness
" +
+                "" +
+                ""
+            ).getBytes("UTF-8"));
+            copyStream(is, response.getOutputStream(), null);
+            return;
+        }
+        if ("/dynamic".equals(request.getRequestURI())) {
+            String mimeType = request.getParameter("mimeType");
+            List params = new ArrayList();
+            boolean webSocket = false;
+            for (int i = 0;; i++) {
+                String p = request.getParameter("param" + i);
+                if (p == null) {
+                    break;
+                }
+                if ("protocol:ws".equals(p)) {
+                    webSocket = true;
+                    continue;
+                }
+                params.add(p);
+            }
+            final String cnt = request.getParameter("content");
+            String mangle = cnt.replace("%20", " ").replace("%0A", "\n");
+            ByteArrayInputStream is = new ByteArrayInputStream(mangle.getBytes("UTF-8"));
+            URI url;
+            final Resource res = new Resource(is, mimeType, "/dynamic/res" + ++resourcesCount, params.toArray(new String[params.size()]));
+            if (webSocket) {
+                url = registerWebSocket(res);
+            } else {
+                url = registerResource(res);
+            }
+            response.getWriter().write(url.toString());
+            response.getWriter().write("\n");
+            return;
+        }
+
+        for (Resource r : resources) {
+            if (r.httpPath.equals(request.getRequestURI())) {
+                response.setContentType(r.httpType);
+                r.httpContent.reset();
+                String[] params = null;
+                if (r.parameters.length != 0) {
+                    params = new String[r.parameters.length];
+                    for (int i = 0; i < r.parameters.length; i++) {
+                        params[i] = request.getParameter(r.parameters[i]);
+                        if (params[i] == null) {
+                            if ("http.method".equals(r.parameters[i])) {
+                                params[i] = request.getMethod().toString();
+                            } else if ("http.requestBody".equals(r.parameters[i])) {
+                                Reader rdr = request.getReader();
+                                StringBuilder sb = new StringBuilder();
+                                for (;;) {
+                                    int ch = rdr.read();
+                                    if (ch == -1) {
+                                        break;
+                                    }
+                                    sb.append((char) ch);
+                                }
+                                params[i] = sb.toString();
+                            } else if (r.parameters[i].startsWith("http.header.")) {
+                                params[i] = request.getHeader(r.parameters[i].substring(12));
+                            }
+                        }
+                        if (params[i] == null) {
+                            params[i] = "null";
+                        }
+                    }
+                }
+
+                copyStream(r.httpContent, response.getOutputStream(), null, params);
+            }
+        }
+    }
+    
+    private URI registerWebSocket(Resource r) {
+        WebSocketEngine.getEngine().register("", r.httpPath, new WS(r));
+        return pageURL("ws", server, r.httpPath);
+    }
+
+    private URI registerResource(Resource r) {
+        if (!resources.contains(r)) {
+            resources.add(r);
+            conf.addHttpHandler(this, r.httpPath);
+        }
+        return pageURL("http", server, r.httpPath);
+    }
+    
+    private static URI pageURL(String proto, HttpServer server, final String page) {
+        NetworkListener listener = server.getListeners().iterator().next();
+        int port = listener.getPort();
+        try {
+            return new URI(proto + "://localhost:" + port + page);
+        } catch (URISyntaxException ex) {
+            throw new IllegalStateException(ex);
+        }
+    }
+    
+    static final class Resource {
+
+        final InputStream httpContent;
+        final String httpType;
+        final String httpPath;
+        final String[] parameters;
+
+        Resource(InputStream httpContent, String httpType, String httpPath,
+            String[] parameters) {
+            httpContent.mark(Integer.MAX_VALUE);
+            this.httpContent = httpContent;
+            this.httpType = httpType;
+            this.httpPath = httpPath;
+            this.parameters = parameters;
+        }
+    }
+
+    static void copyStream(InputStream is, OutputStream os, String baseURL, String... params) throws IOException {
+        for (;;) {
+            int ch = is.read();
+            if (ch == -1) {
+                break;
+            }
+            if (ch == '$' && params.length > 0) {
+                int cnt = is.read() - '0';
+                if (baseURL != null && cnt == 'U' - '0') {
+                    os.write(baseURL.getBytes("UTF-8"));
+                } else {
+                    if (cnt >= 0 && cnt < params.length) {
+                        os.write(params[cnt].getBytes("UTF-8"));
+                    } else {
+                        os.write('$');
+                        os.write(cnt + '0');
+                    }
+                }
+            } else {
+                os.write(ch);
+            }
+        }
+    }
+    
+    private static class WS extends WebSocketApplication {
+        private final Resource r;
+
+        private WS(Resource r) {
+            this.r = r;
+        }
+
+        @Override
+        public void onMessage(WebSocket socket, String text) {
+            try {
+                r.httpContent.reset();
+                ByteArrayOutputStream out = new ByteArrayOutputStream();
+                copyStream(r.httpContent, out, null, text);
+                String s = new String(out.toByteArray(), "UTF-8");
+                socket.send(s);
+            } catch (IOException ex) {
+                LOG.log(Level.WARNING, "Error processing message " + text, ex);
+            }
+        }
+    }
+}
diff --git a/webkit/src/test/java/com/dukescript/presenters/webkit/GtkJavaScriptTest.java b/webkit/src/test/java/com/dukescript/presenters/webkit/GtkJavaScriptTest.java
new file mode 100644
index 00000000..62cbbba6
--- /dev/null
+++ b/webkit/src/test/java/com/dukescript/presenters/webkit/GtkJavaScriptTest.java
@@ -0,0 +1,107 @@
+package com.dukescript.presenters.webkit;
+
+/*
+ * #%L
+ * WebKit Presenter - a library from the "DukeScript Presenters" project.
+ * 
+ * Dukehoff GmbH designates this particular file as subject to the "Classpath"
+ * exception as provided in the README.md file that accompanies this code.
+ * %%
+ * Copyright (C) 2015 - 2019 Dukehoff GmbH
+ * %%
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ * 
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public
+ * License along with this program.  If not, see
+ * .
+ * #L%
+ */
+
+
+import java.lang.annotation.Annotation;
+import java.lang.reflect.Method;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.concurrent.Executors;
+import net.java.html.BrwsrCtx;
+import net.java.html.boot.BrowserBuilder;
+import org.netbeans.html.boot.spi.Fn;
+import org.netbeans.html.json.tck.JavaScriptTCK;
+import org.netbeans.html.json.tck.KOTest;
+import org.testng.Assert;
+import static org.testng.Assert.assertNotSame;
+import static org.testng.Assert.assertSame;
+import org.testng.annotations.Factory;
+
+public class GtkJavaScriptTest extends JavaScriptTCK {
+    private static Class browserClass;
+    private static Fn.Presenter browserPresenter;
+    
+    public GtkJavaScriptTest() {
+    }
+
+    @Factory public static Object[] compatibilityTests() throws Exception {
+        final BrowserBuilder bb = BrowserBuilder.newBrowser(new WebKitPresenter(true)).loadClass(GtkJavaScriptTest.class).
+            loadPage("empty.html").
+            invoke("initialized");
+
+        Executors.newSingleThreadExecutor().submit(new Runnable() {
+            @Override
+            public void run() {
+                bb.showAndWait();
+            }
+        });
+
+        List res = new ArrayList<>();
+        Class test = 
+            loadClass().getClassLoader().loadClass(KOTest.class.getName()).
+            asSubclass(Annotation.class);
+
+        Class[] arr = (Class[]) loadClass().getDeclaredMethod("tests").invoke(null);
+        for (Class c : arr) {
+            for (Method m : c.getMethods()) {
+                if (m.getAnnotation(test) != null) {
+                    res.add(new Case(browserPresenter, m));
+                }
+            }
+        }
+        return res.toArray();
+    }
+
+    static synchronized Class loadClass() throws InterruptedException {
+        while (browserClass == null) {
+            GtkJavaScriptTest.class.wait();
+        }
+        return browserClass;
+    }
+    
+    public static synchronized void ready(Class browserCls) throws Exception {
+        browserClass = browserCls;
+        browserPresenter = Fn.activePresenter();
+        GtkJavaScriptTest.class.notifyAll();
+    }
+    
+    public static void initialized() throws Exception {
+        BrwsrCtx b1 = BrwsrCtx.findDefault(GtkJavaScriptTest.class);
+        assertNotSame(b1, BrwsrCtx.EMPTY, "Browser context is not empty");
+        BrwsrCtx b2 = BrwsrCtx.findDefault(GtkJavaScriptTest.class);
+        assertSame(b1, b2, "Browser context remains stable");
+        Assert.assertSame(GtkJavaScriptTest.class.getClassLoader(),
+            ClassLoader.getSystemClassLoader(),
+            "No special classloaders"
+        );
+        GtkJavaScriptTest.ready(GtkJavaScriptTest.class);
+    }
+    
+    public static Class[] tests() {
+        return testClasses();
+    }
+}
diff --git a/webkit/src/test/java/com/dukescript/presenters/webkit/GtkKnockoutTest.java b/webkit/src/test/java/com/dukescript/presenters/webkit/GtkKnockoutTest.java
new file mode 100644
index 00000000..5be97e72
--- /dev/null
+++ b/webkit/src/test/java/com/dukescript/presenters/webkit/GtkKnockoutTest.java
@@ -0,0 +1,214 @@
+package com.dukescript.presenters.webkit;
+
+/*
+ * #%L
+ * WebKit Presenter - a library from the "DukeScript Presenters" project.
+ * 
+ * Dukehoff GmbH designates this particular file as subject to the "Classpath"
+ * exception as provided in the README.md file that accompanies this code.
+ * %%
+ * Copyright (C) 2015 - 2019 Dukehoff GmbH
+ * %%
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ * 
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public
+ * License along with this program.  If not, see
+ * .
+ * #L%
+ */
+
+
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.lang.annotation.Annotation;
+import java.lang.reflect.Method;
+import java.net.URI;
+import java.net.URISyntaxException;
+import java.net.URL;
+import java.net.URLConnection;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Map;
+import java.util.concurrent.Executor;
+import java.util.concurrent.Executors;
+import net.java.html.BrwsrCtx;
+import net.java.html.boot.BrowserBuilder;
+import net.java.html.js.JavaScriptBody;
+import org.netbeans.html.boot.spi.Fn;
+import org.netbeans.html.context.spi.Contexts;
+import org.netbeans.html.json.spi.Technology;
+import org.netbeans.html.json.spi.Transfer;
+import org.netbeans.html.json.spi.WSTransfer;
+import org.netbeans.html.json.tck.KOTest;
+import org.netbeans.html.json.tck.KnockoutTCK;
+import org.netbeans.html.ko4j.KO4J;
+import org.openide.util.lookup.ServiceProvider;
+import org.testng.Assert;
+import static org.testng.Assert.*;
+import org.testng.annotations.Factory;
+
+@ServiceProvider(service = KnockoutTCK.class)
+public final class GtkKnockoutTest extends KnockoutTCK {
+    private static Class browserClass;
+    private static Fn.Presenter browserContext;
+    
+    public GtkKnockoutTest() {
+    }
+    
+    @Factory public static Object[] compatibilityTests() throws Exception {
+        Class[] arr = testClasses();
+        for (int i = 0; i < arr.length; i++) {
+            assertEquals(arr[i].getClassLoader(),
+                GtkKnockoutTest.class.getClassLoader(),
+                "All classes loaded by the same classloader"
+            );
+        }
+        
+        URI uri = DynamicHTTP.initServer();
+    
+        final BrowserBuilder bb = BrowserBuilder.newBrowser(
+            new WebKitPresenter(true)
+        ).loadClass(GtkKnockoutTest.class).
+            loadPage(uri.toString()).
+            invoke("initialized");
+        
+        Executors.newSingleThreadExecutor().submit(new Runnable() {
+            @Override
+            public void run() {
+                bb.showAndWait();
+            }
+        });
+        
+        ClassLoader l = getClassLoader();
+        List res = new ArrayList<>();
+        for (Class oldC : arr) {
+            Class c = Class.forName(oldC.getName(), true, l);
+            seekKOTests(c, res);
+        }
+        return res.toArray();
+    }
+
+    private static void seekKOTests(Class c, List res) throws SecurityException, ClassNotFoundException {
+        Class koTest =
+            c.getClassLoader().loadClass(KOTest.class.getName()).
+            asSubclass(Annotation.class);
+        for (Method m : c.getMethods()) {
+            if (m.getAnnotation(koTest) != null) {
+                res.add(new Case(browserContext, m));
+            }
+        }
+    }
+
+    static synchronized ClassLoader getClassLoader() throws InterruptedException {
+        while (browserClass == null) {
+            GtkKnockoutTest.class.wait();
+        }
+        return browserClass.getClassLoader();
+    }
+    
+    public static synchronized void initialized(Class browserCls) throws Exception {
+        browserClass = browserCls;
+        browserContext = Fn.activePresenter();
+        GtkKnockoutTest.class.notifyAll();
+    }
+    
+    public static void initialized() throws Exception {
+        Assert.assertSame(GtkKnockoutTest.class.getClassLoader(),
+            ClassLoader.getSystemClassLoader(),
+            "No special classloaders"
+        );
+        GtkKnockoutTest.initialized(GtkKnockoutTest.class);
+        browserContext = Fn.activePresenter();
+    }
+    
+    @Override
+    public BrwsrCtx createContext() {
+        KO4J ko4j = new KO4J();
+        Contexts.Builder cb = Contexts.newBuilder().
+            register(Technology.class, ko4j.knockout(), 10).
+            register(Transfer.class, ko4j.transfer(), 10);
+        if (ko4j.websockets() != null) {
+            cb.register(WSTransfer.class, ko4j.websockets(), 10);
+        }
+        cb.register(Executor.class, (Executor)browserContext, 10);
+        cb.register(Fn.Presenter.class, browserContext, 10);
+        BrwsrCtx ctx = cb.build();
+        return ctx;
+    }
+
+    @Override
+    public Object createJSON(Map values) {
+        Object json = createJSON();
+        for (Map.Entry entry : values.entrySet()) {
+            setProperty(json, entry.getKey(), entry.getValue());
+        }
+        return json;
+    }
+    
+    @JavaScriptBody(args = {}, body = "return new Object();")
+    private static native Object createJSON();
+    @JavaScriptBody(args = { "json", "key", "value" }, body = "json[key] = value;")
+    private static native void setProperty(Object json, String key, Object value);
+
+    @Override
+    @JavaScriptBody(args = { "s", "args" }, body = ""
+        + "var f = new Function(s); "
+        + "return f.apply(null, args);"
+    )
+    public native Object executeScript(String script, Object[] arguments);
+
+    @JavaScriptBody(args = {  }, body = 
+          "var h;"
+        + "if (!!window && !!window.location && !!window.location.href)\n"
+        + "  h = window.location.href;\n"
+        + "else "
+        + "  h = null;"
+        + "return h;\n"
+    )
+    private static native String findBaseURL();
+    
+    @Override
+    public URI prepareURL(String content, String mimeType, String[] parameters) {
+        try {
+            final URL baseURL = new URL(findBaseURL());
+            StringBuilder sb = new StringBuilder();
+            sb.append("/dynamic?mimeType=").append(mimeType);
+            for (int i = 0; i < parameters.length; i++) {
+                sb.append("¶m").append(i).append("=").append(parameters[i]);
+            }
+            String mangle = content.replace("\n", "%0a")
+                .replace("\"", "\\\"").replace(" ", "%20");
+            sb.append("&content=").append(mangle);
+
+            URL query = new URL(baseURL, sb.toString());
+            URLConnection c = query.openConnection();
+            BufferedReader br = new BufferedReader(new InputStreamReader(c.getInputStream()));
+            URI connectTo = new URI(br.readLine());
+            return connectTo;
+        } catch (IOException ex) {
+            throw new IllegalStateException(ex);
+        } catch (URISyntaxException ex) {
+            throw new IllegalStateException(ex);
+        }
+    }
+
+    @Override
+    public boolean canFailWebSocketTest() {
+        try {
+            Class.forName("java.util.function.Function");
+            return false;
+        } catch (ClassNotFoundException ex) {
+            // running on JDK7, FX WebView WebSocket impl does not work
+            return true;
+        }
+    }
+}
diff --git a/webkit/src/test/resources/com/dukescript/presenters/webkit/empty.html b/webkit/src/test/resources/com/dukescript/presenters/webkit/empty.html
new file mode 100644
index 00000000..408a59ba
--- /dev/null
+++ b/webkit/src/test/resources/com/dukescript/presenters/webkit/empty.html
@@ -0,0 +1,35 @@
+
+
+
+    
+        Empty
+        
+        
+    
+    
+        
Empty

+    
+

From 0aaf14736901706e0782f2570328985e18ef5d57 Mon Sep 17 00:00:00 2001
From: Eppleton IT 
Date: Sat, 28 Sep 2019 13:14:40 +0200
Subject: [PATCH 02/16] Adding new modules to the build

---
 pom.xml | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/pom.xml b/pom.xml
index ac35b02b..1d031d2f 100644
--- a/pom.xml
+++ b/pom.xml
@@ -61,6 +61,11 @@
     -->
     boot-agent-test
     xhr4j
+    
+    browser
+    renderer
+    generic
+    webkit
   
   
       

From e27b03d7f3b0e5ecee29eba1fa28acae62c3d79a Mon Sep 17 00:00:00 2001
From: Eppleton IT 
Date: Sat, 28 Sep 2019 13:29:24 +0200
Subject: [PATCH 03/16] Fixing pom.xml files to let the projects compile

---
 browser/pom.xml  | 30 ++++++++++++++++++++++++------
 generic/pom.xml  | 29 ++++++++++++++++++++++++-----
 pom.xml          |  5 +++++
 renderer/pom.xml | 26 ++++++++++++++++++++++----
 webkit/pom.xml   | 32 +++++++++++++++++++++++++-------
 5 files changed, 100 insertions(+), 22 deletions(-)

diff --git a/browser/pom.xml b/browser/pom.xml
index cbb2bc77..390363bc 100644
--- a/browser/pom.xml
+++ b/browser/pom.xml
@@ -1,11 +1,30 @@
 
+
 
     4.0.0
     browser
-    com.dukescript.presenters
     jar
     
-        com.dukescript.presenters
+        org.netbeans.html
         pom
         2.0-SNAPSHOT
     
@@ -53,7 +72,7 @@
             
                 org.netbeans.html
                 html4j-maven-plugin
-                ${net.java.html.version}
+                ${project.version}
                 
                     
                         process-test-classes
@@ -72,7 +91,6 @@
         
             org.testng
             testng
-            ${testng.version}
             test
         
         
@@ -83,7 +101,7 @@
         
             org.netbeans.html
             ko4j
-            ${net.java.html.version}
+            ${project.version}
             test
         
         
@@ -95,7 +113,7 @@
         
             org.netbeans.html
             net.java.html.json.tck
-            ${net.java.html.version}
+            ${project.version}
             test
         
         
diff --git a/generic/pom.xml b/generic/pom.xml
index cc907726..66ef4923 100644
--- a/generic/pom.xml
+++ b/generic/pom.xml
@@ -1,8 +1,28 @@
 
+
 
     4.0.0
     
-        com.dukescript.presenters
+        org.netbeans.html
         pom
         2.0-SNAPSHOT
     
@@ -20,12 +40,11 @@
             org.netbeans.html
             net.java.html.boot
             jar
-            ${net.java.html.version}
+            ${project.version}
         
         
             org.testng
             testng
-            ${testng.version}
             test
         
         
@@ -33,7 +52,7 @@
             net.java.html.json.tck
             test
             jar
-            ${net.java.html.version}
+            ${project.version}
         
         
             com.dukescript.api
@@ -82,7 +101,7 @@
             
                 org.netbeans.html
                 html4j-maven-plugin
-                ${net.java.html.version}
+                ${project.version}
                 
                     
                         test-classes
diff --git a/pom.xml b/pom.xml
index 1d031d2f..c4b0d8a6 100644
--- a/pom.xml
+++ b/pom.xml
@@ -335,6 +335,11 @@ org.netbeans.html.boot.impl:org.netbeans.html.boot.fx:org.netbeans.html.context.
             
           
         
+        
+            net.java.dev.jna
+            jna
+            5.3.1
+        
         
             org.openjfx
             javafx-web
diff --git a/renderer/pom.xml b/renderer/pom.xml
index d2c22b40..4d4cb473 100644
--- a/renderer/pom.xml
+++ b/renderer/pom.xml
@@ -1,8 +1,28 @@
 
+
 
     4.0.0
     
-        com.dukescript.presenters
+        org.netbeans.html
         pom
         2.0-SNAPSHOT
     
@@ -35,18 +55,16 @@
         
             org.testng
             testng
-            ${testng.version}
             test
         
         
             net.java.dev.jna
             jna
-            ${jna.version}
         
         
             org.netbeans.html
             net.java.html.boot
-            ${net.java.html.version}
+            ${project.version}
         
         
 
\ No newline at end of file
diff --git a/webkit/pom.xml b/webkit/pom.xml
index 66355b78..8eab28cc 100644
--- a/webkit/pom.xml
+++ b/webkit/pom.xml
@@ -1,8 +1,28 @@
 
+
 
     4.0.0
     
-        com.dukescript.presenters
+        org.netbeans.html
         pom
         2.0-SNAPSHOT
     
@@ -53,7 +73,7 @@
             
                 org.netbeans.html
                 html4j-maven-plugin
-                ${net.java.html.version}
+                ${project.version}
                 
                     
                         classes
@@ -79,18 +99,16 @@
         
             org.testng
             testng
-            ${testng.version}
             test
         
         
             net.java.dev.jna
             jna
-            ${jna.version}
         
         
             org.netbeans.html
             net.java.html.boot
-            ${net.java.html.version}
+            ${project.version}
             jar
         
         
@@ -102,7 +120,7 @@
         
             org.netbeans.html
             net.java.html.json.tck
-            ${net.java.html.version}
+            ${project.version}
             test
             jar
         
@@ -136,7 +154,7 @@
         
             org.netbeans.html
             ko4j
-            ${net.java.html.version}
+            ${project.version}
             test
             jar
         

From 1b79a744586c13ea040b5566c6656907843101ce Mon Sep 17 00:00:00 2001
From: Eppleton IT 
Date: Sun, 29 Sep 2019 08:04:46 +0200
Subject: [PATCH 04/16] Cleanup versions of the dependencies

---
 browser/pom.xml | 4 +---
 generic/pom.xml | 2 --
 pom.xml         | 7 +++++++
 webkit/pom.xml  | 5 -----
 4 files changed, 8 insertions(+), 10 deletions(-)

diff --git a/browser/pom.xml b/browser/pom.xml
index 390363bc..44f6b0cb 100644
--- a/browser/pom.xml
+++ b/browser/pom.xml
@@ -72,7 +72,6 @@
             
                 org.netbeans.html
                 html4j-maven-plugin
-                ${project.version}
                 
                     
                         process-test-classes
@@ -107,7 +106,6 @@
         
             org.netbeans.api
             org-openide-util-lookup
-            ${netbeans.version}
             provided
         
         
@@ -123,7 +121,7 @@
             2.3.19
         
         
-            com.dukescript.presenters
+            ${project.groupId}
             generic
             ${project.version}
         
diff --git a/generic/pom.xml b/generic/pom.xml
index 66ef4923..84a80937 100644
--- a/generic/pom.xml
+++ b/generic/pom.xml
@@ -57,8 +57,6 @@
         
             com.dukescript.api
             strings
-            ${project.version}
-            provided
         
     
     
diff --git a/pom.xml b/pom.xml
index c4b0d8a6..73142dd5 100644
--- a/pom.xml
+++ b/pom.xml
@@ -356,6 +356,13 @@ org.netbeans.html.boot.impl:org.netbeans.html.boot.fx:org.netbeans.html.context.
             android-json
             0.0.20131108.vaadin1
         
+        
+            com.dukescript.api
+            strings
+            1.6.2
+            jar
+            provided
+        
         
             org.ow2.asm
             asm
diff --git a/webkit/pom.xml b/webkit/pom.xml
index 8eab28cc..0f5baca0 100644
--- a/webkit/pom.xml
+++ b/webkit/pom.xml
@@ -73,7 +73,6 @@
             
                 org.netbeans.html
                 html4j-maven-plugin
-                ${project.version}
                 
                     
                         classes
@@ -114,7 +113,6 @@
         
             org.netbeans.api
             org-openide-util-lookup
-            ${netbeans.version}
             provided
         
         
@@ -148,7 +146,6 @@
         
             javax.servlet
             javax.servlet-api
-            3.1.0
             test
         
         
@@ -161,8 +158,6 @@
         
             com.dukescript.api
             strings
-            ${project.version}
-            provided
         
         
             ${project.groupId}

From f13ebe78f76266ee9a350ed8df567ff1bc6df3f3 Mon Sep 17 00:00:00 2001
From: Eppleton IT 
Date: Sun, 29 Sep 2019 08:46:18 +0200
Subject: [PATCH 05/16] Adjusting to new TCK by hiding proprietary properties

---
 .../java/com/dukescript/presenters/spi/Generic.java  | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/generic/src/main/java/com/dukescript/presenters/spi/Generic.java b/generic/src/main/java/com/dukescript/presenters/spi/Generic.java
index 4327b728..097c576e 100644
--- a/generic/src/main/java/com/dukescript/presenters/spi/Generic.java
+++ b/generic/src/main/java/com/dukescript/presenters/spi/Generic.java
@@ -88,10 +88,14 @@ final Object lock() {
         "init=(function(global) {"
             + "\n  var fncns = new Array();"
             + "\n  var js2j = new Array();"
-            + "\n  function jobject(id,value) { this.id = id; this.v = value; return this; };"
-            + "\n  jobject.prototype['native'] = true;"
-            + "\n  jobject.prototype.valueOf = function() { return this.v ? this.v : '[jobject ' + this.id + ']'; };"
-            + "\n  jobject.prototype.toString = jobject.prototype.valueOf;"
+            + "\n  function jobject(id,value) {"
+            + "\n    Object.defineProperty(this, 'id', { value : id });"
+            + "\n    Object.defineProperty(this, 'v', { value : value });"
+            + "\n    return this;"
+            + "\n  };"
+            + "\n  Object.defineProperty(jobject.prototype, 'native', { value : true });"
+            + "\n  Object.defineProperty(jobject.prototype, 'valueOf', { value : function() { return this.v ? this.v : '[jobject ' + this.id + ']'; } });"
+            + "\n  Object.defineProperty(jobject.prototype, 'toString', { value : jobject.prototype.valueOf });"
             + "\n  var toVM = global['@2'];"
             + "\n  delete global['@2'];"
             + "\n  if (typeof toVM !== 'function') {"

From a78ac508fafb0c1ba47b62e803cdb01da846d989 Mon Sep 17 00:00:00 2001
From: Eppleton IT 
Date: Sun, 29 Sep 2019 11:29:44 +0200
Subject: [PATCH 06/16] Relicensing to Apache license

---
 .../com/dukescript/presenters/Browser.java    | 44 +++++++----------
 .../dukescript/presenters/BrowserTest.java    | 44 +++++++----------
 .../dukescript/presenters/DynamicHTTP.java    | 44 +++++++----------
 .../com/dukescript/presenters/KOScript.java   | 44 +++++++----------
 .../dukescript/presenters/KoBrowserTest.java  | 44 +++++++----------
 .../com/dukescript/presenters/ServerTest.java | 39 +++++++--------
 .../com/dukescript/presenters/empty.html      | 42 ++++++++---------
 .../com/dukescript/presenters/server.html     | 42 ++++++++---------
 .../dukescript/presenters/spi/Generic.java    | 43 +++++++----------
 .../com/dukescript/presenters/spi/Level.java  | 39 +++++++--------
 .../presenters/spi/ProtoPresenter.java        | 43 +++++++----------
 .../presenters/spi/ProtoPresenterBuilder.java | 43 +++++++----------
 .../presenters/spi/ValueOfTest.java           | 47 +++++++------------
 .../presenters/spi/test/CallbackTest.java     | 44 +++++++----------
 .../dukescript/presenters/spi/test/Case.java  | 44 +++++++----------
 .../presenters/spi/test/Counter.java          | 44 +++++++----------
 .../presenters/spi/test/GenericTest.java      | 45 +++++++-----------
 .../presenters/spi/test/SynchronizedTest.java | 44 +++++++----------
 .../presenters/spi/test/Testing.java          | 44 +++++++----------
 .../html/js/tests/JavaScriptBodyTest.java     |  4 --
 pom.xml                                       |  1 -
 .../dukescript/presenters/renderer/AWT.java   | 44 +++++++----------
 .../dukescript/presenters/renderer/Cocoa.java | 44 +++++++----------
 .../dukescript/presenters/renderer/GTK.java   | 44 +++++++----------
 .../dukescript/presenters/renderer/JSC.java   | 44 +++++++----------
 .../dukescript/presenters/renderer/Show.java  | 44 +++++++----------
 .../presenters/webkit/UnJarResources.java     | 43 +++++++----------
 .../presenters/webkit/WebKitPresenter.java    | 44 +++++++----------
 .../dukescript/presenters/webkit/Case.java    | 45 +++++++-----------
 .../presenters/webkit/DynamicHTTP.java        | 44 +++++++----------
 .../presenters/webkit/GtkJavaScriptTest.java  | 44 +++++++----------
 .../presenters/webkit/GtkKnockoutTest.java    | 44 +++++++----------
 .../dukescript/presenters/webkit/empty.html   | 42 ++++++++---------
 33 files changed, 557 insertions(+), 797 deletions(-)

diff --git a/browser/src/main/java/com/dukescript/presenters/Browser.java b/browser/src/main/java/com/dukescript/presenters/Browser.java
index 11a7a414..bc3c16b7 100644
--- a/browser/src/main/java/com/dukescript/presenters/Browser.java
+++ b/browser/src/main/java/com/dukescript/presenters/Browser.java
@@ -1,30 +1,22 @@
-package com.dukescript.presenters;
-
-/*
- * #%L
- * DukeScript Presenter for any Browser - a library from the "DukeScript Presenters" project.
- * 
- * Dukehoff GmbH designates this particular file as subject to the "Classpath"
- * exception as provided in the README.md file that accompanies this code.
- * %%
- * Copyright (C) 2015 - 2019 Dukehoff GmbH
- * %%
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- * 
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- * 
- * You should have received a copy of the GNU General Public
- * License along with this program.  If not, see
- * .
- * #L%
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
-
+package com.dukescript.presenters;
 
 import com.dukescript.presenters.renderer.Show;
 import java.io.Closeable;
diff --git a/browser/src/test/java/com/dukescript/presenters/BrowserTest.java b/browser/src/test/java/com/dukescript/presenters/BrowserTest.java
index b965b987..d4d23ef4 100644
--- a/browser/src/test/java/com/dukescript/presenters/BrowserTest.java
+++ b/browser/src/test/java/com/dukescript/presenters/BrowserTest.java
@@ -1,30 +1,22 @@
-package com.dukescript.presenters;
-
-/*
- * #%L
- * DukeScript Presenter for any Browser - a library from the "DukeScript Presenters" project.
- * 
- * Dukehoff GmbH designates this particular file as subject to the "Classpath"
- * exception as provided in the README.md file that accompanies this code.
- * %%
- * Copyright (C) 2015 - 2019 Dukehoff GmbH
- * %%
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- * 
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- * 
- * You should have received a copy of the GNU General Public
- * License along with this program.  If not, see
- * .
- * #L%
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
-
+package com.dukescript.presenters;
 
 import java.lang.annotation.Annotation;
 import java.lang.reflect.Method;
diff --git a/browser/src/test/java/com/dukescript/presenters/DynamicHTTP.java b/browser/src/test/java/com/dukescript/presenters/DynamicHTTP.java
index fc3e02b6..fe62bdb4 100644
--- a/browser/src/test/java/com/dukescript/presenters/DynamicHTTP.java
+++ b/browser/src/test/java/com/dukescript/presenters/DynamicHTTP.java
@@ -1,30 +1,22 @@
-package com.dukescript.presenters;
-
-/*
- * #%L
- * DukeScript Presenter for any Browser - a library from the "DukeScript Presenters" project.
- * 
- * Dukehoff GmbH designates this particular file as subject to the "Classpath"
- * exception as provided in the README.md file that accompanies this code.
- * %%
- * Copyright (C) 2015 - 2019 Dukehoff GmbH
- * %%
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- * 
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- * 
- * You should have received a copy of the GNU General Public
- * License along with this program.  If not, see
- * .
- * #L%
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
-
+package com.dukescript.presenters;
 
 import java.io.ByteArrayInputStream;
 import java.io.ByteArrayOutputStream;
diff --git a/browser/src/test/java/com/dukescript/presenters/KOScript.java b/browser/src/test/java/com/dukescript/presenters/KOScript.java
index a719a609..b6b724c5 100644
--- a/browser/src/test/java/com/dukescript/presenters/KOScript.java
+++ b/browser/src/test/java/com/dukescript/presenters/KOScript.java
@@ -1,30 +1,22 @@
-package com.dukescript.presenters;
-
-/*
- * #%L
- * DukeScript Presenter for any Browser - a library from the "DukeScript Presenters" project.
- * 
- * Dukehoff GmbH designates this particular file as subject to the "Classpath"
- * exception as provided in the README.md file that accompanies this code.
- * %%
- * Copyright (C) 2015 - 2019 Dukehoff GmbH
- * %%
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- * 
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- * 
- * You should have received a copy of the GNU General Public
- * License along with this program.  If not, see
- * .
- * #L%
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
-
+package com.dukescript.presenters;
 
 import java.io.Closeable;
 import java.io.IOException;
diff --git a/browser/src/test/java/com/dukescript/presenters/KoBrowserTest.java b/browser/src/test/java/com/dukescript/presenters/KoBrowserTest.java
index 0386221a..7bcf1236 100644
--- a/browser/src/test/java/com/dukescript/presenters/KoBrowserTest.java
+++ b/browser/src/test/java/com/dukescript/presenters/KoBrowserTest.java
@@ -1,30 +1,22 @@
-package com.dukescript.presenters;
-
-/*
- * #%L
- * DukeScript Presenter for any Browser - a library from the "DukeScript Presenters" project.
- * 
- * Dukehoff GmbH designates this particular file as subject to the "Classpath"
- * exception as provided in the README.md file that accompanies this code.
- * %%
- * Copyright (C) 2015 - 2019 Dukehoff GmbH
- * %%
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- * 
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- * 
- * You should have received a copy of the GNU General Public
- * License along with this program.  If not, see
- * .
- * #L%
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
-
+package com.dukescript.presenters;
 
 import java.io.BufferedReader;
 import java.io.IOException;
diff --git a/browser/src/test/java/com/dukescript/presenters/ServerTest.java b/browser/src/test/java/com/dukescript/presenters/ServerTest.java
index a73b1873..417501fe 100644
--- a/browser/src/test/java/com/dukescript/presenters/ServerTest.java
+++ b/browser/src/test/java/com/dukescript/presenters/ServerTest.java
@@ -1,29 +1,22 @@
-package com.dukescript.presenters;
-
-/*
- * #%L
- * DukeScript Presenter for any Browser - a library from the "DukeScript Presenters" project.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
  *
- * Dukehoff GmbH designates this particular file as subject to the "Classpath"
- * exception as provided in the README.md file that accompanies this code.
- * %%
- * Copyright (C) 2015 - 2019 Dukehoff GmbH
- * %%
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
+ *   http://www.apache.org/licenses/LICENSE-2.0
  *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public
- * License along with this program.  If not, see
- * .
- * #L%
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
+package com.dukescript.presenters;
 
 import com.dukescript.presenters.renderer.Show;
 import java.io.IOException;
diff --git a/browser/src/test/resources/com/dukescript/presenters/empty.html b/browser/src/test/resources/com/dukescript/presenters/empty.html
index 3bb2554b..45eb2c1a 100644
--- a/browser/src/test/resources/com/dukescript/presenters/empty.html
+++ b/browser/src/test/resources/com/dukescript/presenters/empty.html
@@ -1,27 +1,23 @@
 
+
+    Licensed to the Apache Software Foundation (ASF) under one
+    or more contributor license agreements.  See the NOTICE file
+    distributed with this work for additional information
+    regarding copyright ownership.  The ASF licenses this file
+    to you under the Apache License, Version 2.0 (the
+    "License"); you may not use this file except in compliance
+    with the License.  You may obtain a copy of the License at
+
+      http://www.apache.org/licenses/LICENSE-2.0
+
+    Unless required by applicable law or agreed to in writing,
+    software distributed under the License is distributed on an
+    "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+    KIND, either express or implied.  See the License for the
+    specific language governing permissions and limitations
+    under the License.
+
+-->
 
 
     
diff --git a/browser/src/test/resources/com/dukescript/presenters/server.html b/browser/src/test/resources/com/dukescript/presenters/server.html
index 9f089e64..39a2603a 100644
--- a/browser/src/test/resources/com/dukescript/presenters/server.html
+++ b/browser/src/test/resources/com/dukescript/presenters/server.html
@@ -1,27 +1,23 @@
 
+
+    Licensed to the Apache Software Foundation (ASF) under one
+    or more contributor license agreements.  See the NOTICE file
+    distributed with this work for additional information
+    regarding copyright ownership.  The ASF licenses this file
+    to you under the Apache License, Version 2.0 (the
+    "License"); you may not use this file except in compliance
+    with the License.  You may obtain a copy of the License at
+
+      http://www.apache.org/licenses/LICENSE-2.0
+
+    Unless required by applicable law or agreed to in writing,
+    software distributed under the License is distributed on an
+    "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+    KIND, either express or implied.  See the License for the
+    specific language governing permissions and limitations
+    under the License.
+
+-->
 
 
     
diff --git a/generic/src/main/java/com/dukescript/presenters/spi/Generic.java b/generic/src/main/java/com/dukescript/presenters/spi/Generic.java
index 097c576e..e61d189a 100644
--- a/generic/src/main/java/com/dukescript/presenters/spi/Generic.java
+++ b/generic/src/main/java/com/dukescript/presenters/spi/Generic.java
@@ -1,29 +1,22 @@
-package com.dukescript.presenters.spi;
-
-/*
- * #%L
- * DukeScript Generic Presenter - a library from the "DukeScript Presenters" project.
- * 
- * Dukehoff GmbH designates this particular file as subject to the "Classpath"
- * exception as provided in the README.md file that accompanies this code.
- * %%
- * Copyright (C) 2015 - 2019 Dukehoff GmbH
- * %%
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- * 
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- * 
- * You should have received a copy of the GNU General Public
- * License along with this program.  If not, see
- * .
- * #L%
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
+package com.dukescript.presenters.spi;
 
 import java.io.Flushable;
 import java.io.IOException;
diff --git a/generic/src/main/java/com/dukescript/presenters/spi/Level.java b/generic/src/main/java/com/dukescript/presenters/spi/Level.java
index ff962644..1781fbfb 100644
--- a/generic/src/main/java/com/dukescript/presenters/spi/Level.java
+++ b/generic/src/main/java/com/dukescript/presenters/spi/Level.java
@@ -1,29 +1,22 @@
-package com.dukescript.presenters.spi;
-
-/*
- * #%L
- * DukeScript Generic Presenter - a library from the "DukeScript Presenters" project.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
  *
- * Dukehoff GmbH designates this particular file as subject to the "Classpath"
- * exception as provided in the README.md file that accompanies this code.
- * %%
- * Copyright (C) 2015 - 2019 Dukehoff GmbH
- * %%
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
+ *   http://www.apache.org/licenses/LICENSE-2.0
  *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public
- * License along with this program.  If not, see
- * .
- * #L%
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
+package com.dukescript.presenters.spi;
 
 /** Logging levels similar to java.util.logging ones. */
 enum Level {
diff --git a/generic/src/main/java/com/dukescript/presenters/spi/ProtoPresenter.java b/generic/src/main/java/com/dukescript/presenters/spi/ProtoPresenter.java
index 329b7b1c..8094620f 100644
--- a/generic/src/main/java/com/dukescript/presenters/spi/ProtoPresenter.java
+++ b/generic/src/main/java/com/dukescript/presenters/spi/ProtoPresenter.java
@@ -1,33 +1,26 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
 package com.dukescript.presenters.spi;
 
 import java.io.Flushable;
 import org.netbeans.html.boot.spi.Fn;
 
-/*
- * #%L
- * DukeScript Generic Presenter - a library from the "DukeScript Presenters" project.
- *
- * Dukehoff GmbH designates this particular file as subject to the "Classpath"
- * exception as provided in the README.md file that accompanies this code.
- * %%
- * Copyright (C) 2015 - 2019 Dukehoff GmbH
- * %%
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public
- * License along with this program.  If not, see
- * .
- * #L%
- */
-
 /** The prototypical presenter. An implementation of a {@link Fn.Presenter} based on
  * top of textual protocol transferred between JVM and JavaScript engines. Use
  * {@link ProtoPresenterBuilder#newBuilder()} to construct instance of this
diff --git a/generic/src/main/java/com/dukescript/presenters/spi/ProtoPresenterBuilder.java b/generic/src/main/java/com/dukescript/presenters/spi/ProtoPresenterBuilder.java
index 6fb38353..90f891c1 100644
--- a/generic/src/main/java/com/dukescript/presenters/spi/ProtoPresenterBuilder.java
+++ b/generic/src/main/java/com/dukescript/presenters/spi/ProtoPresenterBuilder.java
@@ -1,3 +1,21 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
 package com.dukescript.presenters.spi;
 
 import java.net.URL;
@@ -6,31 +24,6 @@
 import java.util.concurrent.Executor;
 import org.netbeans.html.boot.spi.Fn;
 
-/*
- * #%L
- * DukeScript Generic Presenter - a library from the "DukeScript Presenters" project.
- *
- * Dukehoff GmbH designates this particular file as subject to the "Classpath"
- * exception as provided in the README.md file that accompanies this code.
- * %%
- * Copyright (C) 2015 - 2019 Dukehoff GmbH
- * %%
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public
- * License along with this program.  If not, see
- * .
- * #L%
- */
-
 /** The prototypical presenter builder. Builds a {@link Fn.Presenter} based on
  * top of textual protocol transferred between JVM and JavaScript engines.
  */
diff --git a/generic/src/test/java/com/dukescript/presenters/spi/ValueOfTest.java b/generic/src/test/java/com/dukescript/presenters/spi/ValueOfTest.java
index f137ee93..ef914f00 100644
--- a/generic/src/test/java/com/dukescript/presenters/spi/ValueOfTest.java
+++ b/generic/src/test/java/com/dukescript/presenters/spi/ValueOfTest.java
@@ -1,34 +1,23 @@
-package com.dukescript.presenters.spi;
-
-/*
- * #%L
- * DukeScript Generic Presenter - a library from the "DukeScript Presenters" project.
- * 
- * Dukehoff GmbH designates this particular file as subject to the "Classpath"
- * exception as provided in the README.md file that accompanies this code.
- * %%
- * Copyright (C) 2015 - 2019 Dukehoff GmbH
- * %%
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- * 
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- * 
- * You should have received a copy of the GNU General Public
- * License along with this program.  If not, see
- * .
- * #L%
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
+package com.dukescript.presenters.spi;
 
-
-import com.dukescript.presenters.spi.ProtoPresenterBuilder;
-import com.dukescript.presenters.spi.Level;
-import com.dukescript.presenters.spi.Generic;
 import java.net.URL;
 import static org.testng.Assert.*;
 import org.testng.annotations.BeforeMethod;
diff --git a/generic/src/test/java/com/dukescript/presenters/spi/test/CallbackTest.java b/generic/src/test/java/com/dukescript/presenters/spi/test/CallbackTest.java
index 4be2ab53..b9d368a2 100644
--- a/generic/src/test/java/com/dukescript/presenters/spi/test/CallbackTest.java
+++ b/generic/src/test/java/com/dukescript/presenters/spi/test/CallbackTest.java
@@ -1,30 +1,22 @@
-package com.dukescript.presenters.spi.test;
-
-/*
- * #%L
- * DukeScript Generic Presenter - a library from the "DukeScript Presenters" project.
- * 
- * Dukehoff GmbH designates this particular file as subject to the "Classpath"
- * exception as provided in the README.md file that accompanies this code.
- * %%
- * Copyright (C) 2015 - 2019 Dukehoff GmbH
- * %%
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- * 
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- * 
- * You should have received a copy of the GNU General Public
- * License along with this program.  If not, see
- * .
- * #L%
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
-
+package com.dukescript.presenters.spi.test;
 
 import java.lang.reflect.Method;
 import java.util.logging.Level;
diff --git a/generic/src/test/java/com/dukescript/presenters/spi/test/Case.java b/generic/src/test/java/com/dukescript/presenters/spi/test/Case.java
index ca136b02..032ecca6 100644
--- a/generic/src/test/java/com/dukescript/presenters/spi/test/Case.java
+++ b/generic/src/test/java/com/dukescript/presenters/spi/test/Case.java
@@ -1,30 +1,22 @@
-package com.dukescript.presenters.spi.test;
-
-/*
- * #%L
- * DukeScript Generic Presenter - a library from the "DukeScript Presenters" project.
- * 
- * Dukehoff GmbH designates this particular file as subject to the "Classpath"
- * exception as provided in the README.md file that accompanies this code.
- * %%
- * Copyright (C) 2015 - 2019 Dukehoff GmbH
- * %%
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- * 
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- * 
- * You should have received a copy of the GNU General Public
- * License along with this program.  If not, see
- * .
- * #L%
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
-
+package com.dukescript.presenters.spi.test;
 
 import java.io.Closeable;
 import java.io.IOException;
diff --git a/generic/src/test/java/com/dukescript/presenters/spi/test/Counter.java b/generic/src/test/java/com/dukescript/presenters/spi/test/Counter.java
index 1991a256..4146b545 100644
--- a/generic/src/test/java/com/dukescript/presenters/spi/test/Counter.java
+++ b/generic/src/test/java/com/dukescript/presenters/spi/test/Counter.java
@@ -1,30 +1,22 @@
-package com.dukescript.presenters.spi.test;
-
-/*
- * #%L
- * DukeScript Generic Presenter - a library from the "DukeScript Presenters" project.
- * 
- * Dukehoff GmbH designates this particular file as subject to the "Classpath"
- * exception as provided in the README.md file that accompanies this code.
- * %%
- * Copyright (C) 2015 - 2019 Dukehoff GmbH
- * %%
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- * 
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- * 
- * You should have received a copy of the GNU General Public
- * License along with this program.  If not, see
- * .
- * #L%
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
-
+package com.dukescript.presenters.spi.test;
 
 import net.java.html.js.JavaScriptBody;
 
diff --git a/generic/src/test/java/com/dukescript/presenters/spi/test/GenericTest.java b/generic/src/test/java/com/dukescript/presenters/spi/test/GenericTest.java
index 871e7027..b7afb242 100644
--- a/generic/src/test/java/com/dukescript/presenters/spi/test/GenericTest.java
+++ b/generic/src/test/java/com/dukescript/presenters/spi/test/GenericTest.java
@@ -1,30 +1,22 @@
-package com.dukescript.presenters.spi.test;
-
-/*
- * #%L
- * DukeScript Generic Presenter - a library from the "DukeScript Presenters" project.
- * 
- * Dukehoff GmbH designates this particular file as subject to the "Classpath"
- * exception as provided in the README.md file that accompanies this code.
- * %%
- * Copyright (C) 2015 - 2019 Dukehoff GmbH
- * %%
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- * 
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- * 
- * You should have received a copy of the GNU General Public
- * License along with this program.  If not, see
- * .
- * #L%
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
-
+package com.dukescript.presenters.spi.test;
 
 import java.lang.annotation.Annotation;
 import java.lang.reflect.Method;
@@ -35,7 +27,6 @@
 import org.netbeans.html.boot.spi.Fn;
 import org.netbeans.html.json.tck.JavaScriptTCK;
 import org.netbeans.html.json.tck.KOTest;
-import com.dukescript.presenters.spi.ProtoPresenterBuilder;
 import org.testng.annotations.Factory;
 
 public class GenericTest extends JavaScriptTCK {
diff --git a/generic/src/test/java/com/dukescript/presenters/spi/test/SynchronizedTest.java b/generic/src/test/java/com/dukescript/presenters/spi/test/SynchronizedTest.java
index cd5c174e..9714bacc 100644
--- a/generic/src/test/java/com/dukescript/presenters/spi/test/SynchronizedTest.java
+++ b/generic/src/test/java/com/dukescript/presenters/spi/test/SynchronizedTest.java
@@ -1,30 +1,22 @@
-package com.dukescript.presenters.spi.test;
-
-/*
- * #%L
- * DukeScript Generic Presenter - a library from the "DukeScript Presenters" project.
- * 
- * Dukehoff GmbH designates this particular file as subject to the "Classpath"
- * exception as provided in the README.md file that accompanies this code.
- * %%
- * Copyright (C) 2015 - 2019 Dukehoff GmbH
- * %%
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- * 
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- * 
- * You should have received a copy of the GNU General Public
- * License along with this program.  If not, see
- * .
- * #L%
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
-
+package com.dukescript.presenters.spi.test;
 
 import static com.dukescript.presenters.spi.test.GenericTest.createTests;
 import org.testng.annotations.Factory;
diff --git a/generic/src/test/java/com/dukescript/presenters/spi/test/Testing.java b/generic/src/test/java/com/dukescript/presenters/spi/test/Testing.java
index 29812a65..db9b5999 100644
--- a/generic/src/test/java/com/dukescript/presenters/spi/test/Testing.java
+++ b/generic/src/test/java/com/dukescript/presenters/spi/test/Testing.java
@@ -1,30 +1,22 @@
-package com.dukescript.presenters.spi.test;
-
-/*
- * #%L
- * DukeScript Generic Presenter - a library from the "DukeScript Presenters" project.
- * 
- * Dukehoff GmbH designates this particular file as subject to the "Classpath"
- * exception as provided in the README.md file that accompanies this code.
- * %%
- * Copyright (C) 2015 - 2019 Dukehoff GmbH
- * %%
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- * 
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- * 
- * You should have received a copy of the GNU General Public
- * License along with this program.  If not, see
- * .
- * #L%
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
-
+package com.dukescript.presenters.spi.test;
 
 import java.net.URL;
 import java.util.concurrent.Executor;
diff --git a/json-tck/src/main/java/net/java/html/js/tests/JavaScriptBodyTest.java b/json-tck/src/main/java/net/java/html/js/tests/JavaScriptBodyTest.java
index 86f15f48..b3c3f215 100644
--- a/json-tck/src/main/java/net/java/html/js/tests/JavaScriptBodyTest.java
+++ b/json-tck/src/main/java/net/java/html/js/tests/JavaScriptBodyTest.java
@@ -19,10 +19,6 @@
 package net.java.html.js.tests;
 
 import java.io.StringReader;
-import java.util.Arrays;
-import java.util.HashSet;
-import java.util.List;
-import java.util.Set;
 import java.util.concurrent.Callable;
 import net.java.html.json.Models;
 import org.netbeans.html.boot.spi.Fn;
diff --git a/pom.xml b/pom.xml
index 73142dd5..e18f49d4 100644
--- a/pom.xml
+++ b/pom.xml
@@ -186,7 +186,6 @@ org.netbeans.html.boot.impl:org.netbeans.html.boot.fx:org.netbeans.html.context.
             
                 org.apache.rat
                 apache-rat-plugin
-                0.12
                 
                     
                         prepare-package
diff --git a/renderer/src/main/java/com/dukescript/presenters/renderer/AWT.java b/renderer/src/main/java/com/dukescript/presenters/renderer/AWT.java
index e99ee697..403e4e8e 100644
--- a/renderer/src/main/java/com/dukescript/presenters/renderer/AWT.java
+++ b/renderer/src/main/java/com/dukescript/presenters/renderer/AWT.java
@@ -1,30 +1,22 @@
-package com.dukescript.presenters.renderer;
-
-/*
- * #%L
- * Desktop Browser Renderer - a library from the "DukeScript Presenters" project.
- * 
- * Dukehoff GmbH designates this particular file as subject to the "Classpath"
- * exception as provided in the README.md file that accompanies this code.
- * %%
- * Copyright (C) 2015 - 2019 Dukehoff GmbH
- * %%
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- * 
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- * 
- * You should have received a copy of the GNU General Public
- * License along with this program.  If not, see
- * .
- * #L%
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
-
+package com.dukescript.presenters.renderer;
 
 import com.sun.jna.Pointer;
 import java.io.IOException;
diff --git a/renderer/src/main/java/com/dukescript/presenters/renderer/Cocoa.java b/renderer/src/main/java/com/dukescript/presenters/renderer/Cocoa.java
index 786af000..0e5156b0 100644
--- a/renderer/src/main/java/com/dukescript/presenters/renderer/Cocoa.java
+++ b/renderer/src/main/java/com/dukescript/presenters/renderer/Cocoa.java
@@ -1,30 +1,22 @@
-package com.dukescript.presenters.renderer;
-
-/*
- * #%L
- * Desktop Browser Renderer - a library from the "DukeScript Presenters" project.
- * 
- * Dukehoff GmbH designates this particular file as subject to the "Classpath"
- * exception as provided in the README.md file that accompanies this code.
- * %%
- * Copyright (C) 2015 - 2019 Dukehoff GmbH
- * %%
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- * 
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- * 
- * You should have received a copy of the GNU General Public
- * License along with this program.  If not, see
- * .
- * #L%
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
-
+package com.dukescript.presenters.renderer;
 
 import com.sun.jna.Callback;
 import com.sun.jna.CallbackThreadInitializer;
diff --git a/renderer/src/main/java/com/dukescript/presenters/renderer/GTK.java b/renderer/src/main/java/com/dukescript/presenters/renderer/GTK.java
index 6d10093a..c9e3a510 100644
--- a/renderer/src/main/java/com/dukescript/presenters/renderer/GTK.java
+++ b/renderer/src/main/java/com/dukescript/presenters/renderer/GTK.java
@@ -1,30 +1,22 @@
-package com.dukescript.presenters.renderer;
-
-/*
- * #%L
- * Desktop Browser Renderer - a library from the "DukeScript Presenters" project.
- * 
- * Dukehoff GmbH designates this particular file as subject to the "Classpath"
- * exception as provided in the README.md file that accompanies this code.
- * %%
- * Copyright (C) 2015 - 2019 Dukehoff GmbH
- * %%
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- * 
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- * 
- * You should have received a copy of the GNU General Public
- * License along with this program.  If not, see
- * .
- * #L%
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
-
+package com.dukescript.presenters.renderer;
 
 import com.sun.jna.Callback;
 import com.sun.jna.Library;
diff --git a/renderer/src/main/java/com/dukescript/presenters/renderer/JSC.java b/renderer/src/main/java/com/dukescript/presenters/renderer/JSC.java
index b7756e3d..484c853b 100644
--- a/renderer/src/main/java/com/dukescript/presenters/renderer/JSC.java
+++ b/renderer/src/main/java/com/dukescript/presenters/renderer/JSC.java
@@ -1,30 +1,22 @@
-package com.dukescript.presenters.renderer;
-
-/*
- * #%L
- * Desktop Browser Renderer - a library from the "DukeScript Presenters" project.
- * 
- * Dukehoff GmbH designates this particular file as subject to the "Classpath"
- * exception as provided in the README.md file that accompanies this code.
- * %%
- * Copyright (C) 2015 - 2019 Dukehoff GmbH
- * %%
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- * 
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- * 
- * You should have received a copy of the GNU General Public
- * License along with this program.  If not, see
- * .
- * #L%
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
-
+package com.dukescript.presenters.renderer;
 
 import com.sun.jna.Callback;
 import com.sun.jna.Library;
diff --git a/renderer/src/main/java/com/dukescript/presenters/renderer/Show.java b/renderer/src/main/java/com/dukescript/presenters/renderer/Show.java
index 1ab9cb76..9d43091d 100644
--- a/renderer/src/main/java/com/dukescript/presenters/renderer/Show.java
+++ b/renderer/src/main/java/com/dukescript/presenters/renderer/Show.java
@@ -1,30 +1,22 @@
-package com.dukescript.presenters.renderer;
-
-/*
- * #%L
- * Desktop Browser Renderer - a library from the "DukeScript Presenters" project.
- * 
- * Dukehoff GmbH designates this particular file as subject to the "Classpath"
- * exception as provided in the README.md file that accompanies this code.
- * %%
- * Copyright (C) 2015 - 2019 Dukehoff GmbH
- * %%
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- * 
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- * 
- * You should have received a copy of the GNU General Public
- * License along with this program.  If not, see
- * .
- * #L%
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
-
+package com.dukescript.presenters.renderer;
 
 import com.sun.jna.Pointer;
 import java.io.IOException;
diff --git a/webkit/src/main/java/com/dukescript/presenters/webkit/UnJarResources.java b/webkit/src/main/java/com/dukescript/presenters/webkit/UnJarResources.java
index febcdd5e..59bf56b9 100644
--- a/webkit/src/main/java/com/dukescript/presenters/webkit/UnJarResources.java
+++ b/webkit/src/main/java/com/dukescript/presenters/webkit/UnJarResources.java
@@ -1,29 +1,22 @@
-package com.dukescript.presenters.webkit;
-
-/*
- * #%L
- * WebKit Presenter - a library from the "DukeScript Presenters" project.
- * 
- * Dukehoff GmbH designates this particular file as subject to the "Classpath"
- * exception as provided in the README.md file that accompanies this code.
- * %%
- * Copyright (C) 2015 - 2019 Dukehoff GmbH
- * %%
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- * 
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- * 
- * You should have received a copy of the GNU General Public
- * License along with this program.  If not, see
- * .
- * #L%
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
+package com.dukescript.presenters.webkit;
 
 import java.io.File;
 import java.io.IOException;
diff --git a/webkit/src/main/java/com/dukescript/presenters/webkit/WebKitPresenter.java b/webkit/src/main/java/com/dukescript/presenters/webkit/WebKitPresenter.java
index d7924a43..c87ecb23 100644
--- a/webkit/src/main/java/com/dukescript/presenters/webkit/WebKitPresenter.java
+++ b/webkit/src/main/java/com/dukescript/presenters/webkit/WebKitPresenter.java
@@ -1,30 +1,22 @@
-package com.dukescript.presenters.webkit;
-
-/*
- * #%L
- * WebKit Presenter - a library from the "DukeScript Presenters" project.
- * 
- * Dukehoff GmbH designates this particular file as subject to the "Classpath"
- * exception as provided in the README.md file that accompanies this code.
- * %%
- * Copyright (C) 2015 - 2019 Dukehoff GmbH
- * %%
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- * 
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- * 
- * You should have received a copy of the GNU General Public
- * License along with this program.  If not, see
- * .
- * #L%
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
-
+package com.dukescript.presenters.webkit;
 
 import com.dukescript.presenters.renderer.JSC;
 import com.dukescript.presenters.renderer.Show;
diff --git a/webkit/src/test/java/com/dukescript/presenters/webkit/Case.java b/webkit/src/test/java/com/dukescript/presenters/webkit/Case.java
index 95b374f4..a90e9a09 100644
--- a/webkit/src/test/java/com/dukescript/presenters/webkit/Case.java
+++ b/webkit/src/test/java/com/dukescript/presenters/webkit/Case.java
@@ -1,31 +1,22 @@
-package com.dukescript.presenters.webkit;
-
-/*
- * #%L
- * WebKit Presenter - a library from the "DukeScript Presenters" project.
- * 
- * Dukehoff GmbH designates this particular file as subject to the "Classpath"
- * exception as provided in the README.md file that accompanies this code.
- * %%
- * Copyright (C) 2015 - 2019 Dukehoff GmbH
- * %%
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- * 
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- * 
- * You should have received a copy of the GNU General Public
- * License along with this program.  If not, see
- * .
- * #L%
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
-
-
+package com.dukescript.presenters.webkit;
 
 import java.lang.reflect.InvocationTargetException;
 import java.lang.reflect.Method;
diff --git a/webkit/src/test/java/com/dukescript/presenters/webkit/DynamicHTTP.java b/webkit/src/test/java/com/dukescript/presenters/webkit/DynamicHTTP.java
index 17de426a..d9fbd0d0 100644
--- a/webkit/src/test/java/com/dukescript/presenters/webkit/DynamicHTTP.java
+++ b/webkit/src/test/java/com/dukescript/presenters/webkit/DynamicHTTP.java
@@ -1,30 +1,22 @@
-package com.dukescript.presenters.webkit;
-
-/*
- * #%L
- * WebKit Presenter - a library from the "DukeScript Presenters" project.
- * 
- * Dukehoff GmbH designates this particular file as subject to the "Classpath"
- * exception as provided in the README.md file that accompanies this code.
- * %%
- * Copyright (C) 2015 - 2019 Dukehoff GmbH
- * %%
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- * 
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- * 
- * You should have received a copy of the GNU General Public
- * License along with this program.  If not, see
- * .
- * #L%
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
-
+package com.dukescript.presenters.webkit;
 
 import java.io.ByteArrayInputStream;
 import java.io.ByteArrayOutputStream;
diff --git a/webkit/src/test/java/com/dukescript/presenters/webkit/GtkJavaScriptTest.java b/webkit/src/test/java/com/dukescript/presenters/webkit/GtkJavaScriptTest.java
index 62cbbba6..b7fc7dd9 100644
--- a/webkit/src/test/java/com/dukescript/presenters/webkit/GtkJavaScriptTest.java
+++ b/webkit/src/test/java/com/dukescript/presenters/webkit/GtkJavaScriptTest.java
@@ -1,30 +1,22 @@
-package com.dukescript.presenters.webkit;
-
-/*
- * #%L
- * WebKit Presenter - a library from the "DukeScript Presenters" project.
- * 
- * Dukehoff GmbH designates this particular file as subject to the "Classpath"
- * exception as provided in the README.md file that accompanies this code.
- * %%
- * Copyright (C) 2015 - 2019 Dukehoff GmbH
- * %%
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- * 
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- * 
- * You should have received a copy of the GNU General Public
- * License along with this program.  If not, see
- * .
- * #L%
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
-
+package com.dukescript.presenters.webkit;
 
 import java.lang.annotation.Annotation;
 import java.lang.reflect.Method;
diff --git a/webkit/src/test/java/com/dukescript/presenters/webkit/GtkKnockoutTest.java b/webkit/src/test/java/com/dukescript/presenters/webkit/GtkKnockoutTest.java
index 5be97e72..4dbe0d29 100644
--- a/webkit/src/test/java/com/dukescript/presenters/webkit/GtkKnockoutTest.java
+++ b/webkit/src/test/java/com/dukescript/presenters/webkit/GtkKnockoutTest.java
@@ -1,30 +1,22 @@
-package com.dukescript.presenters.webkit;
-
-/*
- * #%L
- * WebKit Presenter - a library from the "DukeScript Presenters" project.
- * 
- * Dukehoff GmbH designates this particular file as subject to the "Classpath"
- * exception as provided in the README.md file that accompanies this code.
- * %%
- * Copyright (C) 2015 - 2019 Dukehoff GmbH
- * %%
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- * 
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- * 
- * You should have received a copy of the GNU General Public
- * License along with this program.  If not, see
- * .
- * #L%
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
  */
-
+package com.dukescript.presenters.webkit;
 
 import java.io.BufferedReader;
 import java.io.IOException;
diff --git a/webkit/src/test/resources/com/dukescript/presenters/webkit/empty.html b/webkit/src/test/resources/com/dukescript/presenters/webkit/empty.html
index 408a59ba..013a440e 100644
--- a/webkit/src/test/resources/com/dukescript/presenters/webkit/empty.html
+++ b/webkit/src/test/resources/com/dukescript/presenters/webkit/empty.html
@@ -1,27 +1,23 @@
 
+
+    Licensed to the Apache Software Foundation (ASF) under one
+    or more contributor license agreements.  See the NOTICE file
+    distributed with this work for additional information
+    regarding copyright ownership.  The ASF licenses this file
+    to you under the Apache License, Version 2.0 (the
+    "License"); you may not use this file except in compliance
+    with the License.  You may obtain a copy of the License at
+
+      http://www.apache.org/licenses/LICENSE-2.0
+
+    Unless required by applicable law or agreed to in writing,
+    software distributed under the License is distributed on an
+    "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+    KIND, either express or implied.  See the License for the
+    specific language governing permissions and limitations
+    under the License.
+
+-->
 
 
     

From acfb95018d7f8c16ec80d64a6c107ee3d42ac615 Mon Sep 17 00:00:00 2001
From: Eppleton IT 
Date: Mon, 30 Sep 2019 07:02:13 +0200
Subject: [PATCH 07/16] Moving to org.netbeans.html.presenters namespace

---
 .../netbeans/html/presenters/browser}/Browser.java       | 9 ++++-----
 .../netbeans/html/presenters/browser}/BrowserTest.java   | 2 +-
 .../netbeans/html/presenters/browser}/DynamicHTTP.java   | 2 +-
 .../netbeans/html/presenters/browser}/KOScript.java      | 2 +-
 .../netbeans/html/presenters/browser}/KoBrowserTest.java | 3 ++-
 .../netbeans/html/presenters/browser}/ServerTest.java    | 5 +++--
 .../netbeans/html/presenters/browser}/empty.html         | 0
 .../netbeans/html/presenters/browser}/server.html        | 0
 generic/pom.xml                                          | 3 +--
 .../netbeans/html}/presenters/spi/Generic.java           | 4 ++--
 .../netbeans/html}/presenters/spi/Level.java             | 2 +-
 .../netbeans/html}/presenters/spi/ProtoPresenter.java    | 2 +-
 .../html}/presenters/spi/ProtoPresenterBuilder.java      | 2 +-
 .../netbeans/html}/presenters/spi/ValueOfTest.java       | 5 ++++-
 .../netbeans/html}/presenters/spi/test/CallbackTest.java | 2 +-
 .../netbeans/html}/presenters/spi/test/Case.java         | 2 +-
 .../netbeans/html}/presenters/spi/test/Counter.java      | 4 ++--
 .../netbeans/html}/presenters/spi/test/GenericTest.java  | 2 +-
 .../html}/presenters/spi/test/SynchronizedTest.java      | 4 ++--
 .../netbeans/html}/presenters/spi/test/Testing.java      | 6 +++---
 .../netbeans/html/presenters/render}/AWT.java            | 2 +-
 .../netbeans/html/presenters/render}/Cocoa.java          | 2 +-
 .../netbeans/html/presenters/render}/GTK.java            | 2 +-
 .../netbeans/html/presenters/render}/JSC.java            | 2 +-
 .../netbeans/html/presenters/render}/Show.java           | 2 +-
 webkit/pom.xml                                           | 2 +-
 .../netbeans/html}/presenters/webkit/UnJarResources.java | 2 +-
 .../html}/presenters/webkit/WebKitPresenter.java         | 6 +++---
 .../netbeans/html}/presenters/webkit/Case.java           | 2 +-
 .../netbeans/html}/presenters/webkit/DynamicHTTP.java    | 2 +-
 .../html}/presenters/webkit/GtkJavaScriptTest.java       | 3 ++-
 .../html}/presenters/webkit/GtkKnockoutTest.java         | 3 ++-
 .../netbeans/html}/presenters/webkit/empty.html          | 0
 33 files changed, 48 insertions(+), 43 deletions(-)
 rename browser/src/main/java/{com/dukescript/presenters => org/netbeans/html/presenters/browser}/Browser.java (99%)
 rename browser/src/test/java/{com/dukescript/presenters => org/netbeans/html/presenters/browser}/BrowserTest.java (98%)
 rename browser/src/test/java/{com/dukescript/presenters => org/netbeans/html/presenters/browser}/DynamicHTTP.java (99%)
 rename browser/src/test/java/{com/dukescript/presenters => org/netbeans/html/presenters/browser}/KOScript.java (98%)
 rename browser/src/test/java/{com/dukescript/presenters => org/netbeans/html/presenters/browser}/KoBrowserTest.java (98%)
 rename browser/src/test/java/{com/dukescript/presenters => org/netbeans/html/presenters/browser}/ServerTest.java (96%)
 rename browser/src/test/resources/{com/dukescript/presenters => org/netbeans/html/presenters/browser}/empty.html (100%)
 rename browser/src/test/resources/{com/dukescript/presenters => org/netbeans/html/presenters/browser}/server.html (100%)
 rename generic/src/main/java/{com/dukescript => org/netbeans/html}/presenters/spi/Generic.java (99%)
 rename generic/src/main/java/{com/dukescript => org/netbeans/html}/presenters/spi/Level.java (96%)
 rename generic/src/main/java/{com/dukescript => org/netbeans/html}/presenters/spi/ProtoPresenter.java (98%)
 rename generic/src/main/java/{com/dukescript => org/netbeans/html}/presenters/spi/ProtoPresenterBuilder.java (99%)
 rename generic/src/test/java/{com/dukescript => org/netbeans/html}/presenters/spi/ValueOfTest.java (90%)
 rename generic/src/test/java/{com/dukescript => org/netbeans/html}/presenters/spi/test/CallbackTest.java (97%)
 rename generic/src/test/java/{com/dukescript => org/netbeans/html}/presenters/spi/test/Case.java (98%)
 rename generic/src/test/java/{com/dukescript => org/netbeans/html}/presenters/spi/test/Counter.java (89%)
 rename generic/src/test/java/{com/dukescript => org/netbeans/html}/presenters/spi/test/GenericTest.java (98%)
 rename generic/src/test/java/{com/dukescript => org/netbeans/html}/presenters/spi/test/SynchronizedTest.java (89%)
 rename generic/src/test/java/{com/dukescript => org/netbeans/html}/presenters/spi/test/Testing.java (96%)
 rename renderer/src/main/java/{com/dukescript/presenters/renderer => org/netbeans/html/presenters/render}/AWT.java (97%)
 rename renderer/src/main/java/{com/dukescript/presenters/renderer => org/netbeans/html/presenters/render}/Cocoa.java (99%)
 rename renderer/src/main/java/{com/dukescript/presenters/renderer => org/netbeans/html/presenters/render}/GTK.java (99%)
 rename renderer/src/main/java/{com/dukescript/presenters/renderer => org/netbeans/html/presenters/render}/JSC.java (99%)
 rename renderer/src/main/java/{com/dukescript/presenters/renderer => org/netbeans/html/presenters/render}/Show.java (98%)
 rename webkit/src/main/java/{com/dukescript => org/netbeans/html}/presenters/webkit/UnJarResources.java (98%)
 rename webkit/src/main/java/{com/dukescript => org/netbeans/html}/presenters/webkit/WebKitPresenter.java (99%)
 rename webkit/src/test/java/{com/dukescript => org/netbeans/html}/presenters/webkit/Case.java (98%)
 rename webkit/src/test/java/{com/dukescript => org/netbeans/html}/presenters/webkit/DynamicHTTP.java (99%)
 rename webkit/src/test/java/{com/dukescript => org/netbeans/html}/presenters/webkit/GtkJavaScriptTest.java (97%)
 rename webkit/src/test/java/{com/dukescript => org/netbeans/html}/presenters/webkit/GtkKnockoutTest.java (98%)
 rename webkit/src/test/resources/{com/dukescript => org/netbeans/html}/presenters/webkit/empty.html (100%)

diff --git a/browser/src/main/java/com/dukescript/presenters/Browser.java b/browser/src/main/java/org/netbeans/html/presenters/browser/Browser.java
similarity index 99%
rename from browser/src/main/java/com/dukescript/presenters/Browser.java
rename to browser/src/main/java/org/netbeans/html/presenters/browser/Browser.java
index bc3c16b7..6270b32e 100644
--- a/browser/src/main/java/com/dukescript/presenters/Browser.java
+++ b/browser/src/main/java/org/netbeans/html/presenters/browser/Browser.java
@@ -16,9 +16,9 @@
  * specific language governing permissions and limitations
  * under the License.
  */
-package com.dukescript.presenters;
+package org.netbeans.html.presenters.browser;
 
-import com.dukescript.presenters.renderer.Show;
+import org.netbeans.html.presenters.render.Show;
 import java.io.Closeable;
 import java.io.FileNotFoundException;
 import java.io.Flushable;
@@ -26,7 +26,6 @@
 import java.io.InputStream;
 import java.io.InputStreamReader;
 import java.io.OutputStream;
-import java.io.PrintStream;
 import java.io.Reader;
 import java.io.Writer;
 import java.net.URI;
@@ -54,8 +53,8 @@
 import org.glassfish.grizzly.http.util.HttpStatus;
 import org.netbeans.html.boot.spi.Fn;
 import org.netbeans.html.boot.spi.Fn.Presenter;
-import com.dukescript.presenters.spi.ProtoPresenter;
-import com.dukescript.presenters.spi.ProtoPresenterBuilder;
+import org.netbeans.html.presenters.spi.ProtoPresenter;
+import org.netbeans.html.presenters.spi.ProtoPresenterBuilder;
 import org.openide.util.lookup.ServiceProvider;
 
 /** Browser based {@link Presenter}. It starts local server and
diff --git a/browser/src/test/java/com/dukescript/presenters/BrowserTest.java b/browser/src/test/java/org/netbeans/html/presenters/browser/BrowserTest.java
similarity index 98%
rename from browser/src/test/java/com/dukescript/presenters/BrowserTest.java
rename to browser/src/test/java/org/netbeans/html/presenters/browser/BrowserTest.java
index d4d23ef4..6ca28b08 100644
--- a/browser/src/test/java/com/dukescript/presenters/BrowserTest.java
+++ b/browser/src/test/java/org/netbeans/html/presenters/browser/BrowserTest.java
@@ -16,7 +16,7 @@
  * specific language governing permissions and limitations
  * under the License.
  */
-package com.dukescript.presenters;
+package org.netbeans.html.presenters.browser;
 
 import java.lang.annotation.Annotation;
 import java.lang.reflect.Method;
diff --git a/browser/src/test/java/com/dukescript/presenters/DynamicHTTP.java b/browser/src/test/java/org/netbeans/html/presenters/browser/DynamicHTTP.java
similarity index 99%
rename from browser/src/test/java/com/dukescript/presenters/DynamicHTTP.java
rename to browser/src/test/java/org/netbeans/html/presenters/browser/DynamicHTTP.java
index fe62bdb4..0ebbed5c 100644
--- a/browser/src/test/java/com/dukescript/presenters/DynamicHTTP.java
+++ b/browser/src/test/java/org/netbeans/html/presenters/browser/DynamicHTTP.java
@@ -16,7 +16,7 @@
  * specific language governing permissions and limitations
  * under the License.
  */
-package com.dukescript.presenters;
+package org.netbeans.html.presenters.browser;
 
 import java.io.ByteArrayInputStream;
 import java.io.ByteArrayOutputStream;
diff --git a/browser/src/test/java/com/dukescript/presenters/KOScript.java b/browser/src/test/java/org/netbeans/html/presenters/browser/KOScript.java
similarity index 98%
rename from browser/src/test/java/com/dukescript/presenters/KOScript.java
rename to browser/src/test/java/org/netbeans/html/presenters/browser/KOScript.java
index b6b724c5..937454d1 100644
--- a/browser/src/test/java/com/dukescript/presenters/KOScript.java
+++ b/browser/src/test/java/org/netbeans/html/presenters/browser/KOScript.java
@@ -16,7 +16,7 @@
  * specific language governing permissions and limitations
  * under the License.
  */
-package com.dukescript.presenters;
+package org.netbeans.html.presenters.browser;
 
 import java.io.Closeable;
 import java.io.IOException;
diff --git a/browser/src/test/java/com/dukescript/presenters/KoBrowserTest.java b/browser/src/test/java/org/netbeans/html/presenters/browser/KoBrowserTest.java
similarity index 98%
rename from browser/src/test/java/com/dukescript/presenters/KoBrowserTest.java
rename to browser/src/test/java/org/netbeans/html/presenters/browser/KoBrowserTest.java
index 7bcf1236..241aeee9 100644
--- a/browser/src/test/java/com/dukescript/presenters/KoBrowserTest.java
+++ b/browser/src/test/java/org/netbeans/html/presenters/browser/KoBrowserTest.java
@@ -16,8 +16,9 @@
  * specific language governing permissions and limitations
  * under the License.
  */
-package com.dukescript.presenters;
+package org.netbeans.html.presenters.browser;
 
+import org.netbeans.html.presenters.browser.Browser;
 import java.io.BufferedReader;
 import java.io.IOException;
 import java.io.InputStreamReader;
diff --git a/browser/src/test/java/com/dukescript/presenters/ServerTest.java b/browser/src/test/java/org/netbeans/html/presenters/browser/ServerTest.java
similarity index 96%
rename from browser/src/test/java/com/dukescript/presenters/ServerTest.java
rename to browser/src/test/java/org/netbeans/html/presenters/browser/ServerTest.java
index 417501fe..a127f3c6 100644
--- a/browser/src/test/java/com/dukescript/presenters/ServerTest.java
+++ b/browser/src/test/java/org/netbeans/html/presenters/browser/ServerTest.java
@@ -16,9 +16,10 @@
  * specific language governing permissions and limitations
  * under the License.
  */
-package com.dukescript.presenters;
+package org.netbeans.html.presenters.browser;
 
-import com.dukescript.presenters.renderer.Show;
+import org.netbeans.html.presenters.browser.Browser;
+import org.netbeans.html.presenters.render.Show;
 import java.io.IOException;
 import java.io.InputStream;
 import java.net.ServerSocket;
diff --git a/browser/src/test/resources/com/dukescript/presenters/empty.html b/browser/src/test/resources/org/netbeans/html/presenters/browser/empty.html
similarity index 100%
rename from browser/src/test/resources/com/dukescript/presenters/empty.html
rename to browser/src/test/resources/org/netbeans/html/presenters/browser/empty.html
diff --git a/browser/src/test/resources/com/dukescript/presenters/server.html b/browser/src/test/resources/org/netbeans/html/presenters/browser/server.html
similarity index 100%
rename from browser/src/test/resources/com/dukescript/presenters/server.html
rename to browser/src/test/resources/org/netbeans/html/presenters/browser/server.html
diff --git a/generic/pom.xml b/generic/pom.xml
index 84a80937..53642951 100644
--- a/generic/pom.xml
+++ b/generic/pom.xml
@@ -85,7 +85,7 @@
                 org.apache.maven.plugins
                 maven-javadoc-plugin
                 
-                    com.dukescript.presenters.spi
+                    org.netbeans.html.presenters.spi
                 
                 
                     
@@ -99,7 +99,6 @@
             
                 org.netbeans.html
                 html4j-maven-plugin
-                ${project.version}
                 
                     
                         test-classes
diff --git a/generic/src/main/java/com/dukescript/presenters/spi/Generic.java b/generic/src/main/java/org/netbeans/html/presenters/spi/Generic.java
similarity index 99%
rename from generic/src/main/java/com/dukescript/presenters/spi/Generic.java
rename to generic/src/main/java/org/netbeans/html/presenters/spi/Generic.java
index e61d189a..d96dafe9 100644
--- a/generic/src/main/java/com/dukescript/presenters/spi/Generic.java
+++ b/generic/src/main/java/org/netbeans/html/presenters/spi/Generic.java
@@ -16,8 +16,9 @@
  * specific language governing permissions and limitations
  * under the License.
  */
-package com.dukescript.presenters.spi;
+package org.netbeans.html.presenters.spi;
 
+import com.dukescript.api.strings.Texts;
 import java.io.Flushable;
 import java.io.IOException;
 import java.io.Reader;
@@ -41,7 +42,6 @@
 import java.util.concurrent.CountDownLatch;
 import java.util.concurrent.atomic.AtomicInteger;
 import org.netbeans.html.boot.spi.Fn;
-import com.dukescript.api.strings.Texts;
 
 abstract class Generic implements Fn.Presenter, Fn.KeepAlive, Flushable {
     private String msg;
diff --git a/generic/src/main/java/com/dukescript/presenters/spi/Level.java b/generic/src/main/java/org/netbeans/html/presenters/spi/Level.java
similarity index 96%
rename from generic/src/main/java/com/dukescript/presenters/spi/Level.java
rename to generic/src/main/java/org/netbeans/html/presenters/spi/Level.java
index 1781fbfb..f84c0e98 100644
--- a/generic/src/main/java/com/dukescript/presenters/spi/Level.java
+++ b/generic/src/main/java/org/netbeans/html/presenters/spi/Level.java
@@ -16,7 +16,7 @@
  * specific language governing permissions and limitations
  * under the License.
  */
-package com.dukescript.presenters.spi;
+package org.netbeans.html.presenters.spi;
 
 /** Logging levels similar to java.util.logging ones. */
 enum Level {
diff --git a/generic/src/main/java/com/dukescript/presenters/spi/ProtoPresenter.java b/generic/src/main/java/org/netbeans/html/presenters/spi/ProtoPresenter.java
similarity index 98%
rename from generic/src/main/java/com/dukescript/presenters/spi/ProtoPresenter.java
rename to generic/src/main/java/org/netbeans/html/presenters/spi/ProtoPresenter.java
index 8094620f..92c3bd74 100644
--- a/generic/src/main/java/com/dukescript/presenters/spi/ProtoPresenter.java
+++ b/generic/src/main/java/org/netbeans/html/presenters/spi/ProtoPresenter.java
@@ -16,7 +16,7 @@
  * specific language governing permissions and limitations
  * under the License.
  */
-package com.dukescript.presenters.spi;
+package org.netbeans.html.presenters.spi;
 
 import java.io.Flushable;
 import org.netbeans.html.boot.spi.Fn;
diff --git a/generic/src/main/java/com/dukescript/presenters/spi/ProtoPresenterBuilder.java b/generic/src/main/java/org/netbeans/html/presenters/spi/ProtoPresenterBuilder.java
similarity index 99%
rename from generic/src/main/java/com/dukescript/presenters/spi/ProtoPresenterBuilder.java
rename to generic/src/main/java/org/netbeans/html/presenters/spi/ProtoPresenterBuilder.java
index 90f891c1..dc589043 100644
--- a/generic/src/main/java/com/dukescript/presenters/spi/ProtoPresenterBuilder.java
+++ b/generic/src/main/java/org/netbeans/html/presenters/spi/ProtoPresenterBuilder.java
@@ -16,7 +16,7 @@
  * specific language governing permissions and limitations
  * under the License.
  */
-package com.dukescript.presenters.spi;
+package org.netbeans.html.presenters.spi;
 
 import java.net.URL;
 import java.util.ArrayList;
diff --git a/generic/src/test/java/com/dukescript/presenters/spi/ValueOfTest.java b/generic/src/test/java/org/netbeans/html/presenters/spi/ValueOfTest.java
similarity index 90%
rename from generic/src/test/java/com/dukescript/presenters/spi/ValueOfTest.java
rename to generic/src/test/java/org/netbeans/html/presenters/spi/ValueOfTest.java
index ef914f00..8f0338c4 100644
--- a/generic/src/test/java/com/dukescript/presenters/spi/ValueOfTest.java
+++ b/generic/src/test/java/org/netbeans/html/presenters/spi/ValueOfTest.java
@@ -16,8 +16,11 @@
  * specific language governing permissions and limitations
  * under the License.
  */
-package com.dukescript.presenters.spi;
+package org.netbeans.html.presenters.spi;
 
+import org.netbeans.html.presenters.spi.Level;
+import org.netbeans.html.presenters.spi.Generic;
+import org.netbeans.html.presenters.spi.ProtoPresenterBuilder;
 import java.net.URL;
 import static org.testng.Assert.*;
 import org.testng.annotations.BeforeMethod;
diff --git a/generic/src/test/java/com/dukescript/presenters/spi/test/CallbackTest.java b/generic/src/test/java/org/netbeans/html/presenters/spi/test/CallbackTest.java
similarity index 97%
rename from generic/src/test/java/com/dukescript/presenters/spi/test/CallbackTest.java
rename to generic/src/test/java/org/netbeans/html/presenters/spi/test/CallbackTest.java
index b9d368a2..cdf03418 100644
--- a/generic/src/test/java/com/dukescript/presenters/spi/test/CallbackTest.java
+++ b/generic/src/test/java/org/netbeans/html/presenters/spi/test/CallbackTest.java
@@ -16,7 +16,7 @@
  * specific language governing permissions and limitations
  * under the License.
  */
-package com.dukescript.presenters.spi.test;
+package org.netbeans.html.presenters.spi.test;
 
 import java.lang.reflect.Method;
 import java.util.logging.Level;
diff --git a/generic/src/test/java/com/dukescript/presenters/spi/test/Case.java b/generic/src/test/java/org/netbeans/html/presenters/spi/test/Case.java
similarity index 98%
rename from generic/src/test/java/com/dukescript/presenters/spi/test/Case.java
rename to generic/src/test/java/org/netbeans/html/presenters/spi/test/Case.java
index 032ecca6..c3bc60d0 100644
--- a/generic/src/test/java/com/dukescript/presenters/spi/test/Case.java
+++ b/generic/src/test/java/org/netbeans/html/presenters/spi/test/Case.java
@@ -16,7 +16,7 @@
  * specific language governing permissions and limitations
  * under the License.
  */
-package com.dukescript.presenters.spi.test;
+package org.netbeans.html.presenters.spi.test;
 
 import java.io.Closeable;
 import java.io.IOException;
diff --git a/generic/src/test/java/com/dukescript/presenters/spi/test/Counter.java b/generic/src/test/java/org/netbeans/html/presenters/spi/test/Counter.java
similarity index 89%
rename from generic/src/test/java/com/dukescript/presenters/spi/test/Counter.java
rename to generic/src/test/java/org/netbeans/html/presenters/spi/test/Counter.java
index 4146b545..75a4a973 100644
--- a/generic/src/test/java/com/dukescript/presenters/spi/test/Counter.java
+++ b/generic/src/test/java/org/netbeans/html/presenters/spi/test/Counter.java
@@ -16,7 +16,7 @@
  * specific language governing permissions and limitations
  * under the License.
  */
-package com.dukescript.presenters.spi.test;
+package org.netbeans.html.presenters.spi.test;
 
 import net.java.html.js.JavaScriptBody;
 
@@ -36,7 +36,7 @@ public static final void registerCounter() {
 
     @JavaScriptBody(args = {}, javacall = true, body
             = "if (!this.counter) {\n"
-            + "  this.counter = function() { return @com.dukescript.presenters.spi.test.Counter::count()(); };\n"
+            + "  this.counter = function() { return @org.netbeans.html.presenters.spi.test.Counter::count()(); };\n"
             + "  return true;\n"
             + "} else {\n"
             + "  return false;\n"
diff --git a/generic/src/test/java/com/dukescript/presenters/spi/test/GenericTest.java b/generic/src/test/java/org/netbeans/html/presenters/spi/test/GenericTest.java
similarity index 98%
rename from generic/src/test/java/com/dukescript/presenters/spi/test/GenericTest.java
rename to generic/src/test/java/org/netbeans/html/presenters/spi/test/GenericTest.java
index b7afb242..180b5389 100644
--- a/generic/src/test/java/com/dukescript/presenters/spi/test/GenericTest.java
+++ b/generic/src/test/java/org/netbeans/html/presenters/spi/test/GenericTest.java
@@ -16,7 +16,7 @@
  * specific language governing permissions and limitations
  * under the License.
  */
-package com.dukescript.presenters.spi.test;
+package org.netbeans.html.presenters.spi.test;
 
 import java.lang.annotation.Annotation;
 import java.lang.reflect.Method;
diff --git a/generic/src/test/java/com/dukescript/presenters/spi/test/SynchronizedTest.java b/generic/src/test/java/org/netbeans/html/presenters/spi/test/SynchronizedTest.java
similarity index 89%
rename from generic/src/test/java/com/dukescript/presenters/spi/test/SynchronizedTest.java
rename to generic/src/test/java/org/netbeans/html/presenters/spi/test/SynchronizedTest.java
index 9714bacc..fe7b3cb3 100644
--- a/generic/src/test/java/com/dukescript/presenters/spi/test/SynchronizedTest.java
+++ b/generic/src/test/java/org/netbeans/html/presenters/spi/test/SynchronizedTest.java
@@ -16,9 +16,9 @@
  * specific language governing permissions and limitations
  * under the License.
  */
-package com.dukescript.presenters.spi.test;
+package org.netbeans.html.presenters.spi.test;
 
-import static com.dukescript.presenters.spi.test.GenericTest.createTests;
+import static org.netbeans.html.presenters.spi.test.GenericTest.createTests;
 import org.testng.annotations.Factory;
 
 public class SynchronizedTest {
diff --git a/generic/src/test/java/com/dukescript/presenters/spi/test/Testing.java b/generic/src/test/java/org/netbeans/html/presenters/spi/test/Testing.java
similarity index 96%
rename from generic/src/test/java/com/dukescript/presenters/spi/test/Testing.java
rename to generic/src/test/java/org/netbeans/html/presenters/spi/test/Testing.java
index db9b5999..887b4353 100644
--- a/generic/src/test/java/com/dukescript/presenters/spi/test/Testing.java
+++ b/generic/src/test/java/org/netbeans/html/presenters/spi/test/Testing.java
@@ -16,7 +16,7 @@
  * specific language governing permissions and limitations
  * under the License.
  */
-package com.dukescript.presenters.spi.test;
+package org.netbeans.html.presenters.spi.test;
 
 import java.net.URL;
 import java.util.concurrent.Executor;
@@ -27,8 +27,8 @@
 import javax.script.ScriptEngine;
 import javax.script.ScriptEngineManager;
 import javax.script.ScriptException;
-import com.dukescript.presenters.spi.ProtoPresenter;
-import com.dukescript.presenters.spi.ProtoPresenterBuilder;
+import org.netbeans.html.presenters.spi.ProtoPresenter;
+import org.netbeans.html.presenters.spi.ProtoPresenterBuilder;
 
 class Testing {
     static final Logger LOG = Logger.getLogger(Testing.class.getName());
diff --git a/renderer/src/main/java/com/dukescript/presenters/renderer/AWT.java b/renderer/src/main/java/org/netbeans/html/presenters/render/AWT.java
similarity index 97%
rename from renderer/src/main/java/com/dukescript/presenters/renderer/AWT.java
rename to renderer/src/main/java/org/netbeans/html/presenters/render/AWT.java
index 403e4e8e..630cd3c3 100644
--- a/renderer/src/main/java/com/dukescript/presenters/renderer/AWT.java
+++ b/renderer/src/main/java/org/netbeans/html/presenters/render/AWT.java
@@ -16,7 +16,7 @@
  * specific language governing permissions and limitations
  * under the License.
  */
-package com.dukescript.presenters.renderer;
+package org.netbeans.html.presenters.render;
 
 import com.sun.jna.Pointer;
 import java.io.IOException;
diff --git a/renderer/src/main/java/com/dukescript/presenters/renderer/Cocoa.java b/renderer/src/main/java/org/netbeans/html/presenters/render/Cocoa.java
similarity index 99%
rename from renderer/src/main/java/com/dukescript/presenters/renderer/Cocoa.java
rename to renderer/src/main/java/org/netbeans/html/presenters/render/Cocoa.java
index 0e5156b0..57db64ce 100644
--- a/renderer/src/main/java/com/dukescript/presenters/renderer/Cocoa.java
+++ b/renderer/src/main/java/org/netbeans/html/presenters/render/Cocoa.java
@@ -16,7 +16,7 @@
  * specific language governing permissions and limitations
  * under the License.
  */
-package com.dukescript.presenters.renderer;
+package org.netbeans.html.presenters.render;
 
 import com.sun.jna.Callback;
 import com.sun.jna.CallbackThreadInitializer;
diff --git a/renderer/src/main/java/com/dukescript/presenters/renderer/GTK.java b/renderer/src/main/java/org/netbeans/html/presenters/render/GTK.java
similarity index 99%
rename from renderer/src/main/java/com/dukescript/presenters/renderer/GTK.java
rename to renderer/src/main/java/org/netbeans/html/presenters/render/GTK.java
index c9e3a510..21df1065 100644
--- a/renderer/src/main/java/com/dukescript/presenters/renderer/GTK.java
+++ b/renderer/src/main/java/org/netbeans/html/presenters/render/GTK.java
@@ -16,7 +16,7 @@
  * specific language governing permissions and limitations
  * under the License.
  */
-package com.dukescript.presenters.renderer;
+package org.netbeans.html.presenters.render;
 
 import com.sun.jna.Callback;
 import com.sun.jna.Library;
diff --git a/renderer/src/main/java/com/dukescript/presenters/renderer/JSC.java b/renderer/src/main/java/org/netbeans/html/presenters/render/JSC.java
similarity index 99%
rename from renderer/src/main/java/com/dukescript/presenters/renderer/JSC.java
rename to renderer/src/main/java/org/netbeans/html/presenters/render/JSC.java
index 484c853b..d13f1069 100644
--- a/renderer/src/main/java/com/dukescript/presenters/renderer/JSC.java
+++ b/renderer/src/main/java/org/netbeans/html/presenters/render/JSC.java
@@ -16,7 +16,7 @@
  * specific language governing permissions and limitations
  * under the License.
  */
-package com.dukescript.presenters.renderer;
+package org.netbeans.html.presenters.render;
 
 import com.sun.jna.Callback;
 import com.sun.jna.Library;
diff --git a/renderer/src/main/java/com/dukescript/presenters/renderer/Show.java b/renderer/src/main/java/org/netbeans/html/presenters/render/Show.java
similarity index 98%
rename from renderer/src/main/java/com/dukescript/presenters/renderer/Show.java
rename to renderer/src/main/java/org/netbeans/html/presenters/render/Show.java
index 9d43091d..47d510c4 100644
--- a/renderer/src/main/java/com/dukescript/presenters/renderer/Show.java
+++ b/renderer/src/main/java/org/netbeans/html/presenters/render/Show.java
@@ -16,7 +16,7 @@
  * specific language governing permissions and limitations
  * under the License.
  */
-package com.dukescript.presenters.renderer;
+package org.netbeans.html.presenters.render;
 
 import com.sun.jna.Pointer;
 import java.io.IOException;
diff --git a/webkit/pom.xml b/webkit/pom.xml
index 0f5baca0..834f99de 100644
--- a/webkit/pom.xml
+++ b/webkit/pom.xml
@@ -51,7 +51,7 @@
                 maven-javadoc-plugin
                 
                     false
-                    com.dukescript.presenters
+                    org.netbeans.html.presenters.webkit
                 
                 
                     
diff --git a/webkit/src/main/java/com/dukescript/presenters/webkit/UnJarResources.java b/webkit/src/main/java/org/netbeans/html/presenters/webkit/UnJarResources.java
similarity index 98%
rename from webkit/src/main/java/com/dukescript/presenters/webkit/UnJarResources.java
rename to webkit/src/main/java/org/netbeans/html/presenters/webkit/UnJarResources.java
index 59bf56b9..fb001139 100644
--- a/webkit/src/main/java/com/dukescript/presenters/webkit/UnJarResources.java
+++ b/webkit/src/main/java/org/netbeans/html/presenters/webkit/UnJarResources.java
@@ -16,7 +16,7 @@
  * specific language governing permissions and limitations
  * under the License.
  */
-package com.dukescript.presenters.webkit;
+package org.netbeans.html.presenters.webkit;
 
 import java.io.File;
 import java.io.IOException;
diff --git a/webkit/src/main/java/com/dukescript/presenters/webkit/WebKitPresenter.java b/webkit/src/main/java/org/netbeans/html/presenters/webkit/WebKitPresenter.java
similarity index 99%
rename from webkit/src/main/java/com/dukescript/presenters/webkit/WebKitPresenter.java
rename to webkit/src/main/java/org/netbeans/html/presenters/webkit/WebKitPresenter.java
index c87ecb23..050bb00e 100644
--- a/webkit/src/main/java/com/dukescript/presenters/webkit/WebKitPresenter.java
+++ b/webkit/src/main/java/org/netbeans/html/presenters/webkit/WebKitPresenter.java
@@ -16,10 +16,10 @@
  * specific language governing permissions and limitations
  * under the License.
  */
-package com.dukescript.presenters.webkit;
+package org.netbeans.html.presenters.webkit;
 
-import com.dukescript.presenters.renderer.JSC;
-import com.dukescript.presenters.renderer.Show;
+import org.netbeans.html.presenters.render.JSC;
+import org.netbeans.html.presenters.render.Show;
 import com.sun.jna.Callback;
 import com.sun.jna.Memory;
 import com.sun.jna.Native;
diff --git a/webkit/src/test/java/com/dukescript/presenters/webkit/Case.java b/webkit/src/test/java/org/netbeans/html/presenters/webkit/Case.java
similarity index 98%
rename from webkit/src/test/java/com/dukescript/presenters/webkit/Case.java
rename to webkit/src/test/java/org/netbeans/html/presenters/webkit/Case.java
index a90e9a09..705e0208 100644
--- a/webkit/src/test/java/com/dukescript/presenters/webkit/Case.java
+++ b/webkit/src/test/java/org/netbeans/html/presenters/webkit/Case.java
@@ -16,7 +16,7 @@
  * specific language governing permissions and limitations
  * under the License.
  */
-package com.dukescript.presenters.webkit;
+package org.netbeans.html.presenters.webkit;
 
 import java.lang.reflect.InvocationTargetException;
 import java.lang.reflect.Method;
diff --git a/webkit/src/test/java/com/dukescript/presenters/webkit/DynamicHTTP.java b/webkit/src/test/java/org/netbeans/html/presenters/webkit/DynamicHTTP.java
similarity index 99%
rename from webkit/src/test/java/com/dukescript/presenters/webkit/DynamicHTTP.java
rename to webkit/src/test/java/org/netbeans/html/presenters/webkit/DynamicHTTP.java
index d9fbd0d0..e69c3212 100644
--- a/webkit/src/test/java/com/dukescript/presenters/webkit/DynamicHTTP.java
+++ b/webkit/src/test/java/org/netbeans/html/presenters/webkit/DynamicHTTP.java
@@ -16,7 +16,7 @@
  * specific language governing permissions and limitations
  * under the License.
  */
-package com.dukescript.presenters.webkit;
+package org.netbeans.html.presenters.webkit;
 
 import java.io.ByteArrayInputStream;
 import java.io.ByteArrayOutputStream;
diff --git a/webkit/src/test/java/com/dukescript/presenters/webkit/GtkJavaScriptTest.java b/webkit/src/test/java/org/netbeans/html/presenters/webkit/GtkJavaScriptTest.java
similarity index 97%
rename from webkit/src/test/java/com/dukescript/presenters/webkit/GtkJavaScriptTest.java
rename to webkit/src/test/java/org/netbeans/html/presenters/webkit/GtkJavaScriptTest.java
index b7fc7dd9..a81520af 100644
--- a/webkit/src/test/java/com/dukescript/presenters/webkit/GtkJavaScriptTest.java
+++ b/webkit/src/test/java/org/netbeans/html/presenters/webkit/GtkJavaScriptTest.java
@@ -16,8 +16,9 @@
  * specific language governing permissions and limitations
  * under the License.
  */
-package com.dukescript.presenters.webkit;
+package org.netbeans.html.presenters.webkit;
 
+import org.netbeans.html.presenters.webkit.WebKitPresenter;
 import java.lang.annotation.Annotation;
 import java.lang.reflect.Method;
 import java.util.ArrayList;
diff --git a/webkit/src/test/java/com/dukescript/presenters/webkit/GtkKnockoutTest.java b/webkit/src/test/java/org/netbeans/html/presenters/webkit/GtkKnockoutTest.java
similarity index 98%
rename from webkit/src/test/java/com/dukescript/presenters/webkit/GtkKnockoutTest.java
rename to webkit/src/test/java/org/netbeans/html/presenters/webkit/GtkKnockoutTest.java
index 4dbe0d29..a2929f95 100644
--- a/webkit/src/test/java/com/dukescript/presenters/webkit/GtkKnockoutTest.java
+++ b/webkit/src/test/java/org/netbeans/html/presenters/webkit/GtkKnockoutTest.java
@@ -16,8 +16,9 @@
  * specific language governing permissions and limitations
  * under the License.
  */
-package com.dukescript.presenters.webkit;
+package org.netbeans.html.presenters.webkit;
 
+import org.netbeans.html.presenters.webkit.WebKitPresenter;
 import java.io.BufferedReader;
 import java.io.IOException;
 import java.io.InputStreamReader;
diff --git a/webkit/src/test/resources/com/dukescript/presenters/webkit/empty.html b/webkit/src/test/resources/org/netbeans/html/presenters/webkit/empty.html
similarity index 100%
rename from webkit/src/test/resources/com/dukescript/presenters/webkit/empty.html
rename to webkit/src/test/resources/org/netbeans/html/presenters/webkit/empty.html

From 3946a8f96c13b9ec2e7e05bbb229b7bb76886826 Mon Sep 17 00:00:00 2001
From: Eppleton IT 
Date: Mon, 30 Sep 2019 07:23:46 +0200
Subject: [PATCH 08/16] Polishing the Javadoc a bit

---
 pom.xml | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/pom.xml b/pom.xml
index e18f49d4..870f718f 100644
--- a/pom.xml
+++ b/pom.xml
@@ -107,7 +107,7 @@
                   ${publicPackages}
                   false
                   
-org.netbeans.html.boot.impl:org.netbeans.html.boot.fx:org.netbeans.html.context.impl:org.netbeans.html.equinox.*:org.netbeans.html.geo.impl:org.netbeans.html.json.impl:org.netbeans.html.sound.impl:org.netbeans.html.ko.*:org.netbeans.html.ko4j:org.netbeans.html.mojo:org.netbeans.html.wstyrus:net.java.html.js.tests:net.java.html.json.tests:org.netbeans.html.xhr4j
+org.netbeans.html.boot.impl:org.netbeans.html.boot.fx:org.netbeans.html.context.impl:org.netbeans.html.equinox.*:org.netbeans.html.geo.impl:org.netbeans.html.json.impl:org.netbeans.html.sound.impl:org.netbeans.html.ko.*:org.netbeans.html.ko4j:org.netbeans.html.mojo:org.netbeans.html.wstyrus:net.java.html.js.tests:net.java.html.json.tests:org.netbeans.html.xhr4j:java.lang
                   
                 
                   
@@ -144,7 +144,7 @@ org.netbeans.html.boot.impl:org.netbeans.html.boot.fx:org.netbeans.html.context.
                 
                     org.apidesign.javadoc
                     codesnippet-doclet
-                    0.23
+                    0.31
                 
                 
                     -snippetpath boot-fx/src/test 

From f86b10b32bb690a60898b2131398c7390998d0d3 Mon Sep 17 00:00:00 2001
From: Eppleton IT 
Date: Mon, 30 Sep 2019 19:32:31 +0200
Subject: [PATCH 09/16] Improving Javadoc

---
 .../html/presenters/browser/Browser.java      | 56 +++++++++++--------
 .../html/presenters/browser/package-info.java | 24 ++++++++
 .../html/presenters/spi/ProtoPresenter.java   |  3 +-
 .../presenters/spi/ProtoPresenterBuilder.java |  8 +--
 .../html/presenters/spi/package-info.java     | 24 ++++++++
 .../java/net/java/html/json/Property.java     |  3 +-
 .../netbeans/html/json/spi/Technology.java    |  2 +-
 pom.xml                                       |  7 +++
 .../html/presenters/render/package-info.java  | 24 ++++++++
 .../presenters/webkit/WebKitPresenter.java    | 15 ++++-
 .../html/presenters/webkit/package-info.java  | 24 ++++++++
 .../presenters/webkit/GtkJavaScriptTest.java  | 23 ++++----
 12 files changed, 170 insertions(+), 43 deletions(-)
 create mode 100644 browser/src/main/java/org/netbeans/html/presenters/browser/package-info.java
 create mode 100644 generic/src/main/java/org/netbeans/html/presenters/spi/package-info.java
 create mode 100644 renderer/src/main/java/org/netbeans/html/presenters/render/package-info.java
 create mode 100644 webkit/src/main/java/org/netbeans/html/presenters/webkit/package-info.java

diff --git a/browser/src/main/java/org/netbeans/html/presenters/browser/Browser.java b/browser/src/main/java/org/netbeans/html/presenters/browser/Browser.java
index 6270b32e..748625c6 100644
--- a/browser/src/main/java/org/netbeans/html/presenters/browser/Browser.java
+++ b/browser/src/main/java/org/netbeans/html/presenters/browser/Browser.java
@@ -58,30 +58,13 @@
 import org.openide.util.lookup.ServiceProvider;
 
 /** Browser based {@link Presenter}. It starts local server and
- * launches browser that connects to it. The actual browser to
- * be launched can be influenced by value of 
- * com.dukescript.presenters.browser property.
- * It can have following values:
- * 
    
- * 
  • GTK - use Gtk WebKit implementation. Requires presence of 
- *    appropriate native libraries
    • 
- * 
  • AWT - use {@link java.awt.Desktop#browse(java.net.URI)} to
- *    launch a browser
    • 
- * 
  • NONE - just launches the server, useful together with
- *    com.dukescript.presenters.browserPort property that
- *    can specify a fixed port to open the server at
- * 
    • 
- * 
  • any other value is interpreted as a command which is then
- *    launched on a command line with one parameter - the URL to connect to
    • 
- * 

- * If the property is not specified the system tries GTK mode first, 
- * followed by AWT and then tries to execute xdg-open
- * (default LINUX command to launch a browser from a shell script).
+ * launches browser that connects to it. Use {@link Browser.Config} to
+ * configure the actual browser to be started.
  * 

  * To use this presenter specify following dependency:
  * 
  * <dependency>
- *   <groupId>com.dukescript.presenters</groupId>
+ *   <groupId>org.netbeans.html.browser</groupId>
  *   <artifactId>browser</artifactId>
  *   <version>1.x</version>
  * </dependency>
@@ -97,11 +80,37 @@ public final class Browser implements Fn.Presenter, Fn.KeepAlive, Flushable,
     private Runnable onPageLoad;
     private Command current;
     private final Config config;
-    
+
+    /** Default constructor. Reads configuration from properties. The actual browser to
+     * be launched can be influenced by value of
+     * com.dukescript.presenters.browser property.
+     * It can have following values:
+     * 
    
+     * 
  • GTK - use Gtk WebKit implementation. Requires presence of
+     *    appropriate native libraries
    • 
+     * 
  • AWT - use {@link java.awt.Desktop#browse(java.net.URI)} to
+     *    launch a browser
    • 
+     * 
  • NONE - just launches the server, useful together with
+     *    com.dukescript.presenters.browserPort property that
+     *    can specify a fixed port to open the server at
+     * 
    • 
+     * 
  • any other value is interpreted as a command which is then
+     *    launched on a command line with one parameter - the URL to connect to
    • 
+     * 

+     * If the property is not specified the system tries GTK mode first,
+     * followed by AWT and then tries to execute xdg-open
+     * (default LINUX command to launch a browser from a shell script).
+     * @throws Exception
+     */
     public Browser() throws Exception {
         this(new Config());
     }
 
+    /**
+     * Browser configured by provided config.
+     *
+     * @param config the configuration
+     */
     public Browser(Config config) {
         this(findCalleeClassName(), config);
     }
@@ -229,13 +238,16 @@ public final void displayPage(URL page, Runnable onPageLoad) {
 
     /** Parameters to configure {@link Browser}.
      * Create an instance and pass it 
-     * to {@link Browser#Browser(com.dukescript.presenters.Browser.Config) }
+     * to {@link Browser#Browser(org.netbeans.html.presenters.browser.Browser.Config) }
      * constructor.
      */
     public final static class Config {
         String browser;
         Integer port;
 
+        /**
+         * Default constructor.
+         */
         public Config() {
         }
 
diff --git a/browser/src/main/java/org/netbeans/html/presenters/browser/package-info.java b/browser/src/main/java/org/netbeans/html/presenters/browser/package-info.java
new file mode 100644
index 00000000..188c86d4
--- /dev/null
+++ b/browser/src/main/java/org/netbeans/html/presenters/browser/package-info.java
@@ -0,0 +1,24 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+/**
+ * Generic {@link org.netbeans.html.presenters.browser.Browser} presenter
+ * and its {@link org.netbeans.html.presenters.browser.Browser.Config configuration}.
+ */
+package org.netbeans.html.presenters.browser;
diff --git a/generic/src/main/java/org/netbeans/html/presenters/spi/ProtoPresenter.java b/generic/src/main/java/org/netbeans/html/presenters/spi/ProtoPresenter.java
index 92c3bd74..3203050e 100644
--- a/generic/src/main/java/org/netbeans/html/presenters/spi/ProtoPresenter.java
+++ b/generic/src/main/java/org/netbeans/html/presenters/spi/ProtoPresenter.java
@@ -20,8 +20,9 @@
 
 import java.io.Flushable;
 import org.netbeans.html.boot.spi.Fn;
+import org.netbeans.html.boot.spi.Fn.Presenter;
 
-/** The prototypical presenter. An implementation of a {@link Fn.Presenter} based on
+/** The prototypical presenter. An implementation of a {@link Presenter} based on
  * top of textual protocol transferred between JVM and JavaScript engines. Use
  * {@link ProtoPresenterBuilder#newBuilder()} to construct instance of this
  * interface.
diff --git a/generic/src/main/java/org/netbeans/html/presenters/spi/ProtoPresenterBuilder.java b/generic/src/main/java/org/netbeans/html/presenters/spi/ProtoPresenterBuilder.java
index dc589043..c510b868 100644
--- a/generic/src/main/java/org/netbeans/html/presenters/spi/ProtoPresenterBuilder.java
+++ b/generic/src/main/java/org/netbeans/html/presenters/spi/ProtoPresenterBuilder.java
@@ -22,9 +22,9 @@
 import java.util.ArrayList;
 import java.util.List;
 import java.util.concurrent.Executor;
-import org.netbeans.html.boot.spi.Fn;
+import org.netbeans.html.boot.spi.Fn.Presenter;
 
-/** The prototypical presenter builder. Builds a {@link Fn.Presenter} based on
+/** The prototypical presenter builder. Builds a {@link Presenter} based on
  * top of textual protocol transferred between JVM and JavaScript engines.
  */
 public final class ProtoPresenterBuilder {
@@ -101,7 +101,7 @@ public interface Preparator {
         void prepare(OnPrepared onReady);
     }
 
-    /** Callback to make when {@link Preparator#prepare(OnPrepared)} is
+    /** Callback to make when {@link Preparator#prepare(org.netbeans.html.presenters.spi.ProtoPresenterBuilder.OnPrepared)} is
      * finished.
      */
     public static abstract class OnPrepared {
@@ -149,7 +149,7 @@ public ProtoPresenterBuilder app(String app) {
     }
 
     /** Interface to handle displaying of a URL.
-     * Register via {@link ProtoPresenterBuilder#displayer(org.netbeans.html.presenter.spi.ProtoPresenterBuilder.Displayer)}.
+     * Register via {@link ProtoPresenterBuilder#displayer(org.netbeans.html.presenters.spi.ProtoPresenterBuilder.Displayer)}.
      */
     @FunctionalInterface
     public interface Displayer {
diff --git a/generic/src/main/java/org/netbeans/html/presenters/spi/package-info.java b/generic/src/main/java/org/netbeans/html/presenters/spi/package-info.java
new file mode 100644
index 00000000..29570792
--- /dev/null
+++ b/generic/src/main/java/org/netbeans/html/presenters/spi/package-info.java
@@ -0,0 +1,24 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+/**
+ * The {@link org.netbeans.html.presenters.spi.ProtoPresenter prototypical presenter}
+ * based on textual protocol between JavaScript VM and Java VM.
+ */
+package org.netbeans.html.presenters.spi;
diff --git a/json/src/main/java/net/java/html/json/Property.java b/json/src/main/java/net/java/html/json/Property.java
index 860154f1..2f8a346d 100644
--- a/json/src/main/java/net/java/html/json/Property.java
+++ b/json/src/main/java/net/java/html/json/Property.java
@@ -23,6 +23,7 @@
 import java.lang.annotation.Target;
 import java.util.List;
 import org.netbeans.html.context.spi.Contexts;
+import org.netbeans.html.context.spi.Contexts.Id;
 import org.netbeans.html.json.spi.Technology;
 
 /** Represents a property in a class defined with {@link Model} annotation.
@@ -63,7 +64,7 @@
      *
      * Technologies may decide to represent such non-mutable
      * property in more effective way - for
-     * example Knockout Java Bindings technology (with {@link Contexts.Id id} "ko4j")
+     * example Knockout Java Bindings technology (with {@link Id id} "ko4j")
      * uses plain JavaScript value (number, string, array, boolean) rather
      * than classical observable.
      *
diff --git a/json/src/main/java/org/netbeans/html/json/spi/Technology.java b/json/src/main/java/org/netbeans/html/json/spi/Technology.java
index b138dbe1..7b7ed2f1 100644
--- a/json/src/main/java/org/netbeans/html/json/spi/Technology.java
+++ b/json/src/main/java/org/netbeans/html/json/spi/Technology.java
@@ -34,7 +34,7 @@
  * implementation called ko4j.
  *
  * @param  technology internal type that keeps internal data for each
- *    instance of {@linkplains Model model class}.
+ *    instance of {@linkplain Model model class}.
  *
  * @author Jaroslav Tulach
  */
diff --git a/pom.xml b/pom.xml
index 870f718f..28abe215 100644
--- a/pom.xml
+++ b/pom.xml
@@ -134,6 +134,10 @@ org.netbeans.html.boot.impl:org.netbeans.html.boot.fx:org.netbeans.html.context.
                     Service Provider APIs (not commonly interesting)
                     org.netbeans.html.*
                   
+                  
+                    Build Your Own Presenter!
+                    org.netbeans.html.presenters.*
+                  
                 
                 
                     http://testng.org/javadocs/
@@ -150,9 +154,12 @@ org.netbeans.html.boot.impl:org.netbeans.html.boot.fx:org.netbeans.html.context.
                     -snippetpath boot-fx/src/test 
                     -snippetpath boot-script/src/test
                     -snippetpath json/src/test
+                    -snippetpath webkit/src/test
                     ${javadoc.allowjs}
                     -hiddingannotation java.lang.Deprecated
                 
+                true
+                true
               
             
             
diff --git a/renderer/src/main/java/org/netbeans/html/presenters/render/package-info.java b/renderer/src/main/java/org/netbeans/html/presenters/render/package-info.java
new file mode 100644
index 00000000..61b9222f
--- /dev/null
+++ b/renderer/src/main/java/org/netbeans/html/presenters/render/package-info.java
@@ -0,0 +1,24 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+/**
+ * {@link org.netbeans.html.presenters.render.Show Show} a browser
+ * component.
+ */
+package org.netbeans.html.presenters.render;
diff --git a/webkit/src/main/java/org/netbeans/html/presenters/webkit/WebKitPresenter.java b/webkit/src/main/java/org/netbeans/html/presenters/webkit/WebKitPresenter.java
index 050bb00e..fccc12de 100644
--- a/webkit/src/main/java/org/netbeans/html/presenters/webkit/WebKitPresenter.java
+++ b/webkit/src/main/java/org/netbeans/html/presenters/webkit/WebKitPresenter.java
@@ -42,6 +42,7 @@
 import org.netbeans.html.boot.spi.Fn;
 import org.openide.util.lookup.ServiceProvider;
 import com.dukescript.api.strings.Texts;
+import net.java.html.boot.BrowserBuilder;
 
 /** Displays using native WebKit component on Linux and Mac OS X.
  * Requires necessary native libraries to be installed. Uses GTK3 on
@@ -62,11 +63,21 @@ public final class WebKitPresenter implements Fn.Presenter, Fn.KeepAlive, Execut
     private Pointer valueFalse;
     private String onPageApp;
 
+    /** Default constructor. Rather than dealing with this class directly,
+     * consider using it via {@link BrowserBuilder} API.
+     */
     public WebKitPresenter() {
         this(false);
     }
-    
-    WebKitPresenter(boolean headless) {
+
+    /** Visible or invisible presenter. This constructor allows one to
+     * launch the presenter in headless mode.
+     *
+     * {@codesnippet org.netbeans.html.presenters.webkit.GtkJavaScriptTest}
+     *
+     * @param headless {@code true} if the presenter shall run headless
+     */
+    public WebKitPresenter(boolean headless) {
         shell = Show.open(this, new Runnable() {
             @Override
             public void run() {
diff --git a/webkit/src/main/java/org/netbeans/html/presenters/webkit/package-info.java b/webkit/src/main/java/org/netbeans/html/presenters/webkit/package-info.java
new file mode 100644
index 00000000..f40ef676
--- /dev/null
+++ b/webkit/src/main/java/org/netbeans/html/presenters/webkit/package-info.java
@@ -0,0 +1,24 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+/**
+ * Native {@link org.netbeans.html.presenters.webkit.WebKitPresenter} for
+ * Linux and Mac OS X.
+ */
+package org.netbeans.html.presenters.webkit;
diff --git a/webkit/src/test/java/org/netbeans/html/presenters/webkit/GtkJavaScriptTest.java b/webkit/src/test/java/org/netbeans/html/presenters/webkit/GtkJavaScriptTest.java
index a81520af..777d0af6 100644
--- a/webkit/src/test/java/org/netbeans/html/presenters/webkit/GtkJavaScriptTest.java
+++ b/webkit/src/test/java/org/netbeans/html/presenters/webkit/GtkJavaScriptTest.java
@@ -18,7 +18,6 @@
  */
 package org.netbeans.html.presenters.webkit;
 
-import org.netbeans.html.presenters.webkit.WebKitPresenter;
 import java.lang.annotation.Annotation;
 import java.lang.reflect.Method;
 import java.util.ArrayList;
@@ -42,16 +41,16 @@ public GtkJavaScriptTest() {
     }
 
     @Factory public static Object[] compatibilityTests() throws Exception {
-        final BrowserBuilder bb = BrowserBuilder.newBrowser(new WebKitPresenter(true)).loadClass(GtkJavaScriptTest.class).
-            loadPage("empty.html").
-            invoke("initialized");
+        Runnable onPageLoaded = GtkJavaScriptTest::initialized;
 
-        Executors.newSingleThreadExecutor().submit(new Runnable() {
-            @Override
-            public void run() {
-                bb.showAndWait();
-            }
-        });
+        // BEGIN: org.netbeans.html.presenters.webkit.GtkJavaScriptTest
+        final WebKitPresenter headlessPresenter = new WebKitPresenter(true);
+        final BrowserBuilder bb = BrowserBuilder.newBrowser(headlessPresenter).
+            loadFinished(onPageLoaded).
+            loadPage("empty.html");
+        // END: org.netbeans.html.presenters.webkit.GtkJavaScriptTest
+
+        Executors.newSingleThreadExecutor().submit(bb::showAndWait);
 
         List res = new ArrayList<>();
         Class test = 
@@ -76,13 +75,13 @@ static synchronized Class loadClass() throws InterruptedException {
         return browserClass;
     }
     
-    public static synchronized void ready(Class browserCls) throws Exception {
+    public static synchronized void ready(Class browserCls) {
         browserClass = browserCls;
         browserPresenter = Fn.activePresenter();
         GtkJavaScriptTest.class.notifyAll();
     }
     
-    public static void initialized() throws Exception {
+    public static void initialized() {
         BrwsrCtx b1 = BrwsrCtx.findDefault(GtkJavaScriptTest.class);
         assertNotSame(b1, BrwsrCtx.EMPTY, "Browser context is not empty");
         BrwsrCtx b2 = BrwsrCtx.findDefault(GtkJavaScriptTest.class);

From dfb6f4477bd954cd8949bd5ccbcd5e8f61dd570f Mon Sep 17 00:00:00 2001
From: Eppleton IT 
Date: Mon, 30 Sep 2019 20:13:12 +0200
Subject: [PATCH 10/16] Packaging the JARs as OSGi bundles

---
 browser/pom.xml  |  8 +++++++-
 generic/pom.xml  |  9 ++++++++-
 pom.xml          | 12 +++++++-----
 renderer/pom.xml | 15 ++++++++++++++-
 webkit/pom.xml   |  8 +++++++-
 5 files changed, 43 insertions(+), 9 deletions(-)

diff --git a/browser/pom.xml b/browser/pom.xml
index 44f6b0cb..f053eabd 100644
--- a/browser/pom.xml
+++ b/browser/pom.xml
@@ -22,7 +22,7 @@
 
     4.0.0
     browser
-    jar
+    bundle
     
         org.netbeans.html
         pom
@@ -31,9 +31,15 @@
     DukeScript Presenter for any Browser
     
         ${project.parent.basedir}
+        org.netbeans.html.presenters.browser
+        
     
     
         
+            
+                org.apache.felix
+                maven-bundle-plugin
+            
             
                 org.apache.maven.plugins
                 maven-compiler-plugin
diff --git a/generic/pom.xml b/generic/pom.xml
index 53642951..b59de107 100644
--- a/generic/pom.xml
+++ b/generic/pom.xml
@@ -29,10 +29,13 @@
     
     generic
     DukeScript Generic Presenter
-    jar
+    bundle
     2.0-SNAPSHOT
     
         ${project.parent.basedir}
+        org.netbeans.html.presenters.spi
+        
+        
     
 
     
@@ -61,6 +64,10 @@
     
     
         
+            
+                org.apache.felix
+                maven-bundle-plugin
+            
             
                 org.apache.maven.plugins
                 maven-compiler-plugin
diff --git a/pom.xml b/pom.xml
index 28abe215..d0e0f2b4 100644
--- a/pom.xml
+++ b/pom.xml
@@ -29,7 +29,7 @@
   
       org.apache.netbeans
       netbeans-parent
-      1
+      2
   
   
       UTF-8
@@ -40,6 +40,8 @@
       ${project.artifactId}
       none
       --allow-script-in-comments
+      ${publicPackages}
+      META-INF.services.*
   
   
     json
@@ -296,7 +298,7 @@ org.netbeans.html.boot.impl:org.netbeans.html.boot.fx:org.netbeans.html.context.
                 true
                 
                     
-                        ${publicPackages},META-INF.services.*;-noimport:=true;-split-package:=first
+                        ${publicPackages},${publicMetaInf};-noimport:=true;-split-package:=first
                         ${bundleSymbolicName}
                     
                 
@@ -512,7 +514,7 @@ org.netbeans.html.boot.impl:org.netbeans.html.boot.fx:org.netbeans.html.context.
                   
                       org.netbeans.tools
                       sigtest-maven-plugin
-                      1.0
+                      1.2
                       
                           
                               
@@ -522,8 +524,8 @@ org.netbeans.html.boot.impl:org.netbeans.html.boot.fx:org.netbeans.html.context.
                           
                       
                       
-                          ${publicPackages}
-                          1.6
+                          ${sigtestPackages}
+                          1.6.1
                       
                   
               
diff --git a/renderer/pom.xml b/renderer/pom.xml
index 4d4cb473..cb534b8f 100644
--- a/renderer/pom.xml
+++ b/renderer/pom.xml
@@ -27,13 +27,26 @@
         2.0-SNAPSHOT
     
     renderer
-    jar
+    bundle
     Desktop Browser Renderer
     
         ${project.parent.basedir}
+        org.netbeans.html.presenters.render
+        
+        
     
     
         
+            
+                org.apache.felix
+                maven-bundle-plugin
+                
+                    
+                        dependent
+                        osgi.extender;resolution:=optional;cardinality:=multiple;resolution:=optional
+                    
+                
+            
             
                 org.apache.maven.plugins
                 maven-javadoc-plugin
diff --git a/webkit/pom.xml b/webkit/pom.xml
index 834f99de..83fcb33e 100644
--- a/webkit/pom.xml
+++ b/webkit/pom.xml
@@ -28,13 +28,19 @@
     
     webkit
     WebKit Presenter
-    jar
+    bundle
     
         none
         ${project.parent.basedir}
+        org.netbeans.html.presenters.webkit
+        
     
     
         
+            
+                org.apache.felix
+                maven-bundle-plugin
+            
             
                 org.apache.maven.plugins
                 maven-compiler-plugin

From c206ac0fd867887838ce58699e6c4ecd56b919ac Mon Sep 17 00:00:00 2001
From: Eppleton IT 
Date: Mon, 30 Sep 2019 20:34:56 +0200
Subject: [PATCH 11/16] Select implementation from the correct package and
 inherit I/O

---
 .../main/java/org/netbeans/html/presenters/render/Show.java   | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/renderer/src/main/java/org/netbeans/html/presenters/render/Show.java b/renderer/src/main/java/org/netbeans/html/presenters/render/Show.java
index 47d510c4..149aba13 100644
--- a/renderer/src/main/java/org/netbeans/html/presenters/render/Show.java
+++ b/renderer/src/main/java/org/netbeans/html/presenters/render/Show.java
@@ -43,7 +43,7 @@ public abstract class Show {
      */
     public static void show(String impl, URI page) throws IOException {
         try {
-            Class c = Class.forName("com.dukescript.presenters.renderer." + impl);
+            Class c = Class.forName(Show.class.getPackage().getName() + '.' + impl);
             Show show = (Show) c.newInstance();
             show.show(page);
         } catch (IOException ex) {
@@ -57,7 +57,7 @@ public static void show(String impl, URI page) throws IOException {
                 impl, page.toString()
             };
             LOG.log(Level.INFO, "Launching {0}", Arrays.toString(cmdArr));
-            final Process process = Runtime.getRuntime().exec(cmdArr);
+            final Process process = new ProcessBuilder().inheritIO().command(cmdArr).start();
             try {
                 process.waitFor();
             } catch (InterruptedException ex1) {

From e289231f7df877a15203c52301993c9fcb3d83df Mon Sep 17 00:00:00 2001
From: Eppleton IT 
Date: Tue, 1 Oct 2019 05:04:08 +0200
Subject: [PATCH 12/16] Newer javadoc requires additionalOptions

---
 pom.xml | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/pom.xml b/pom.xml
index d0e0f2b4..3da5ebc7 100644
--- a/pom.xml
+++ b/pom.xml
@@ -103,7 +103,7 @@
             
               org.apache.maven.plugins
               maven-javadoc-plugin
-              2.10.4
+              3.1.1
               
                   true
                   ${publicPackages}
@@ -152,15 +152,17 @@ org.netbeans.html.boot.impl:org.netbeans.html.boot.fx:org.netbeans.html.context.
                     codesnippet-doclet
                     0.31
                 
-                
+                
                     -snippetpath boot-fx/src/test 
                     -snippetpath boot-script/src/test
                     -snippetpath json/src/test
                     -snippetpath webkit/src/test
                     ${javadoc.allowjs}
                     -hiddingannotation java.lang.Deprecated
-                
+                
+                
                 true
               
             

From 0d251015d781c1f932a4d9944709e9da48b02601 Mon Sep 17 00:00:00 2001
From: Eppleton IT 
Date: Tue, 1 Oct 2019 05:09:22 +0200
Subject: [PATCH 13/16] Presenter is null when used from BrowserTest

---
 .../java/org/netbeans/html/presenters/render/Cocoa.java     | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/renderer/src/main/java/org/netbeans/html/presenters/render/Cocoa.java b/renderer/src/main/java/org/netbeans/html/presenters/render/Cocoa.java
index 57db64ce..297daf58 100644
--- a/renderer/src/main/java/org/netbeans/html/presenters/render/Cocoa.java
+++ b/renderer/src/main/java/org/netbeans/html/presenters/render/Cocoa.java
@@ -148,7 +148,7 @@ public void execute(Runnable command) {
     }
 
     private void process() throws Exception {
-        Closeable c = Fn.activate(presenter);
+        Closeable c = presenter == null ? null : Fn.activate(presenter);
         try {
             for (;;) {
                 Runnable r = QUEUE.poll();
@@ -158,7 +158,9 @@ private void process() throws Exception {
                 r.run();
             }
         } finally {
-            c.close();
+            if (c != null) {
+                c.close();
+            }
         }
     }
 

From 542c9e935e200c4db35a924157cc345b0dbb263f Mon Sep 17 00:00:00 2001
From: Eppleton IT 
Date: Tue, 1 Oct 2019 05:40:28 +0200
Subject: [PATCH 14/16] Print out thread dump after 60s of inactivity

---
 .../presenters/webkit/GtkKnockoutTest.java    |  2 +-
 .../html/presenters/webkit/Timeout.java       | 55 +++++++++++++++++++
 2 files changed, 56 insertions(+), 1 deletion(-)
 create mode 100644 webkit/src/test/java/org/netbeans/html/presenters/webkit/Timeout.java

diff --git a/webkit/src/test/java/org/netbeans/html/presenters/webkit/GtkKnockoutTest.java b/webkit/src/test/java/org/netbeans/html/presenters/webkit/GtkKnockoutTest.java
index a2929f95..9650e8d0 100644
--- a/webkit/src/test/java/org/netbeans/html/presenters/webkit/GtkKnockoutTest.java
+++ b/webkit/src/test/java/org/netbeans/html/presenters/webkit/GtkKnockoutTest.java
@@ -18,7 +18,6 @@
  */
 package org.netbeans.html.presenters.webkit;
 
-import org.netbeans.html.presenters.webkit.WebKitPresenter;
 import java.io.BufferedReader;
 import java.io.IOException;
 import java.io.InputStreamReader;
@@ -53,6 +52,7 @@
 public final class GtkKnockoutTest extends KnockoutTCK {
     private static Class browserClass;
     private static Fn.Presenter browserContext;
+    private static final Timeout WATCHER = new Timeout(60000);
     
     public GtkKnockoutTest() {
     }
diff --git a/webkit/src/test/java/org/netbeans/html/presenters/webkit/Timeout.java b/webkit/src/test/java/org/netbeans/html/presenters/webkit/Timeout.java
new file mode 100644
index 00000000..b69a062c
--- /dev/null
+++ b/webkit/src/test/java/org/netbeans/html/presenters/webkit/Timeout.java
@@ -0,0 +1,55 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.netbeans.html.presenters.webkit;
+
+import java.io.PrintStream;
+import java.util.Map.Entry;
+
+final class Timeout implements Runnable {
+    private final long timeout;
+    private final Thread thread;
+
+    Timeout(long timeout) {
+        this.timeout = timeout;
+        this.thread = new Thread(this, "Timeout Watcher");
+        this.thread.setDaemon(true);
+        this.thread.start();
+    }
+
+    @Override
+    public void run() {
+        try {
+            Thread.sleep(timeout);
+        } catch (InterruptedException ex) {
+            ex.printStackTrace();
+        }
+        System.err.println("Timeout in " + timeout + " ms");
+        dumpThreads(System.err);
+    }
+
+    private static void dumpThreads(PrintStream ps) {
+        for (Entry e : Thread.getAllStackTraces().entrySet()) {
+            ps.println("Thread " + e.getKey().getName() + ":");
+            for (StackTraceElement t : e.getValue()) {
+                ps.println("  " + t);
+            }
+        }
+        ps.println();
+    }
+}

From 2d6140d6abf18af0919eb5ca4b7998135135cc0c Mon Sep 17 00:00:00 2001
From: Eppleton IT 
Date: Tue, 1 Oct 2019 20:00:31 +0200
Subject: [PATCH 15/16] Use sigtestPackages to verify the compatibility and
 publicPackages to generate new .sigfile

---
 pom.xml | 17 +++++++++++++++--
 1 file changed, 15 insertions(+), 2 deletions(-)

diff --git a/pom.xml b/pom.xml
index 3da5ebc7..e9c8f4b9 100644
--- a/pom.xml
+++ b/pom.xml
@@ -519,14 +519,27 @@ org.netbeans.html.boot.impl:org.netbeans.html.boot.fx:org.netbeans.html.context.
                       1.2
                       
                           
+                              check
                               
-                                  generate
                                   check
                               
+                              integration-test
+                              
+                                  ${sigtestPackages}
+                              
+                          
+                          
+                              generate
+                              
+                                  generate
+                              
+                              package
+                              
+                                  ${publicPackages}
+                              
                           
                       
                       
-                          ${sigtestPackages}
                           1.6.1
                       
                   

From cdde5d7ac7f9274d7b90f9787be49ad8018e0d10 Mon Sep 17 00:00:00 2001
From: Eppleton IT 
Date: Sat, 12 Oct 2019 19:57:18 +0200
Subject: [PATCH 16/16] Check the type of JSValue is object before calling
 JSValueIsObjectOfClass

---
 .../java/org/netbeans/html/presenters/render/JSC.java     | 2 +-
 .../netbeans/html/presenters/webkit/WebKitPresenter.java  | 8 ++++++--
 2 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/renderer/src/main/java/org/netbeans/html/presenters/render/JSC.java b/renderer/src/main/java/org/netbeans/html/presenters/render/JSC.java
index d13f1069..e9752d9c 100644
--- a/renderer/src/main/java/org/netbeans/html/presenters/render/JSC.java
+++ b/renderer/src/main/java/org/netbeans/html/presenters/render/JSC.java
@@ -78,7 +78,7 @@ protected List getFieldOrder() {
     @param jsClass The JSClass to test against.
     @result true if value is an object and has jsClass in its class chain, otherwise false.
      */
-    int JSValueIsObjectOfClass(Pointer ctx, Pointer value, Pointer jsClass);
+    boolean JSValueIsObjectOfClass(Pointer ctx, Pointer value, Pointer jsClass);
 
     Pointer JSContextGetGlobalObject(Pointer ctx);
 
diff --git a/webkit/src/main/java/org/netbeans/html/presenters/webkit/WebKitPresenter.java b/webkit/src/main/java/org/netbeans/html/presenters/webkit/WebKitPresenter.java
index fccc12de..7adf6e25 100644
--- a/webkit/src/main/java/org/netbeans/html/presenters/webkit/WebKitPresenter.java
+++ b/webkit/src/main/java/org/netbeans/html/presenters/webkit/WebKitPresenter.java
@@ -376,8 +376,12 @@ final void jsContext(Pointer ctx) {
     }
 
     private boolean isJavaClazz(Pointer obj) {
-        final int ret = shell.jsc().JSValueIsObjectOfClass(ctx, obj, javaClazz);
-        return ret == 1;
+        final JSC jsc = shell.jsc();
+        int type = jsc.JSValueGetType(ctx, obj);
+        if (type != 5) {
+            return false;
+        }
+        return jsc.JSValueIsObjectOfClass(ctx, obj, javaClazz);
     }