servers - introduced common WebServerBase superclass intended to shar…

…e common WebServer code. This fixes #152
restx · Aug 24, 2017 · 6b20ac6b530f40d9268f44944d5b88204a46fb82 · 6b20ac6
1 parent 6772f7e
commit 6b20ac6b530f40d9268f44944d5b88204a46fb82
diff --git a/restx-core/src/main/java/restx/server/WebServerBase.java b/restx-core/src/main/java/restx/server/WebServerBase.java
@@ -0,0 +1,108 @@
+package restx.server;
+
+import restx.common.Version;
+
+import java.util.concurrent.atomic.AtomicLong;
+
+import static com.google.common.base.Preconditions.checkNotNull;
+import static restx.common.MoreFiles.checkFileExists;
+import static restx.common.MoreIO.checkCanOpenSocket;
+
+public abstract class WebServerBase implements WebServer {
+    protected static final AtomicLong SERVER_ID = new AtomicLong();
+
+    protected final int port;
+    protected final String bindInterface;
+    protected final String appBase;
+    protected String serverId;
+
+    protected final String serverTypeName;
+    protected final String serverGroupId;
+    protected final String serverModule;
+
+    protected WebServerBase(String appBase, int port, String bindInterface, String serverTypeName, String serverGroupId, String serverModule) {
+        if(appBase != null) {
+            checkFileExists(appBase);
+        }
+
+        this.port = port;
+        this.bindInterface = bindInterface;
+        this.appBase = appBase;
+        this.serverId = serverTypeName + "#" + SERVER_ID.incrementAndGet();
+
+        this.serverTypeName = serverTypeName;
+        this.serverGroupId = serverGroupId;
+        this.serverModule = serverModule;
+    }
+
+    /**
+     * Sets the serverId used by this server.
+     *
+     * Must not be called when server is started.
+     *
+     * The serverId is used to uniquely identify the main Factory used by REST main router in this server.
+     * It allows to access the Factory with Factory.getInstance(serverId).
+     *
+     * @param serverId the server id to set. Must be unique in the JVM.
+     *
+     * @return current server
+     */
+    public synchronized WebServerBase setServerId(final String serverId) {
+        if (isStarted()) {
+            throw new IllegalStateException("can't set server id when server is started");
+        }
+        this.serverId = serverId;
+        return this;
+    }
+
+    @Override
+    public String getServerType() {
+        return serverTypeName + " " + Version.getVersion(serverGroupId, serverModule) + ", embedded";
+    }
+
+    @Override
+    public String getServerId() {
+        return serverId;
+    }
+
+    @Override
+    public int getPort() {
+        return port;
+    }
+
+    @Override
+    public String baseUrl() {
+        // Dunno why, but if I use bindInterface here, some test will fail in ContextParamsTest
+        return WebServers.baseUri("127.0.0.1", port);
+    }
+
+    @Override
+    public synchronized void start() throws Exception {
+        checkCanOpenSocket(port);
+        WebServers.register(this);
+
+        this._start();
+    }
+
+    @Override
+    public void startAndAwait() throws Exception {
+        start();
+        await();
+    }
+
+    @Override
+    public synchronized void stop() throws Exception {
+        this._stop();
+
+        WebServers.unregister(serverId);
+    }
+
+    @Override
+    public synchronized boolean isStarted() {
+        return WebServers.getServerById(serverId).isPresent();
+    }
+
+    public abstract void await() throws InterruptedException;
+    protected abstract void _start() throws Exception;
+    protected abstract void _stop() throws Exception;
+}
diff --git a/restx-server-jetty7/src/main/java/restx/server/JettyWebServer.java b/restx-server-jetty7/src/main/java/restx/server/JettyWebServer.java
@@ -15,91 +15,32 @@
 import org.eclipse.jetty.webapp.WebAppContext;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
-import restx.common.Version;
-
-import java.util.concurrent.atomic.AtomicLong;

 import static com.google.common.base.Preconditions.checkNotNull;
 import static restx.common.MoreFiles.checkFileExists;
-import static restx.common.MoreIO.checkCanOpenSocket;
-
-public class JettyWebServer implements WebServer {
-    private static final AtomicLong SERVER_ID = new AtomicLong();

+public class JettyWebServer extends WebServerBase {
    private static final Logger logger = LoggerFactory.getLogger(JettyWebServer.class);

    private Server server;
-    private int port;
-    private String bindInterface;
-    private String appBase;
    private String webInfLocation;
-    private String serverId;
-

    public JettyWebServer(String appBase, int aPort) {
        this(null, appBase, aPort, null);
    }

    public JettyWebServer(String webInfLocation, String appBase, int port, String bindInterface) {
-        checkFileExists(checkNotNull(appBase));
+        super(checkNotNull(appBase), port, bindInterface, "Jetty7", "org.eclipse.jetty", "jetty-server");

        if (webInfLocation != null) {
            checkFileExists(webInfLocation);
        }
-
-        this.port = port;
-        this.bindInterface = bindInterface;
-        this.appBase = appBase;
        this.webInfLocation = webInfLocation;
-        this.serverId = "Jetty#" + SERVER_ID.incrementAndGet();
-    }
-
-    /**
-     * Sets the serverId used by this server.
-     *
-     * Must not be called when server is started.
-     *
-     * The serverId is used to uniquely identify the main Factory used by REST main router in this server.
-     * It allows to access the Factory with Factory.getInstance(serverId).
-     *
-     * @param serverId the server id to set. Must be unique in the JVM.
-     *
-     * @return current server
-     */
-    public synchronized JettyWebServer setServerId(final String serverId) {
-        if (isStarted()) {
-            throw new IllegalStateException("can't set server id when server is started");
-        }
-        this.serverId = serverId;
-        return this;
-    }
-
-    @Override
-    public String getServerId() {
-        return serverId;
-    }
-
-    @Override
-    public int getPort() {
-        return port;
    }

    @Override
-    public String baseUrl() {
-        return WebServers.baseUri("127.0.0.1", port);
-    }
-
-    @Override
-    public String getServerType() {
-        return "Jetty " + Version.getVersion("org.eclipse.jetty", "jetty-server") + ", embedded";
-    }
-
-    @Override
-    public synchronized void start() throws Exception {
-        checkCanOpenSocket(port);
-
+    protected void _start() throws Exception {
        server = new Server();
-        WebServers.register(this);

        server.setThreadPool(createThreadPool());
        server.addConnector(createConnector());
@@ -109,27 +50,15 @@ public synchronized void start() throws Exception {
        server.start();
    }

-    @Override
-    public void startAndAwait() throws Exception {
-        start();
-        await();
-    }
-
    @Override
    public void await() throws InterruptedException {
        server.join();
    }

    @Override
-    public synchronized void stop() throws Exception {
+    protected void _stop() throws Exception {
        server.stop();
        server = null;
-        WebServers.unregister(serverId);
-    }
-
-    @Override
-    public synchronized boolean isStarted() {
-        return server != null;
    }

    protected ThreadPool createThreadPool() {
diff --git a/restx-server-jetty8/src/main/java/restx/server/JettyWebServer.java b/restx-server-jetty8/src/main/java/restx/server/JettyWebServer.java
@@ -15,91 +15,32 @@
 import org.eclipse.jetty.webapp.WebAppContext;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
-import restx.common.Version;
-
-import java.util.concurrent.atomic.AtomicLong;

 import static com.google.common.base.Preconditions.checkNotNull;
 import static restx.common.MoreFiles.checkFileExists;
-import static restx.common.MoreIO.checkCanOpenSocket;
-
-public class JettyWebServer implements WebServer {
-    private static final AtomicLong SERVER_ID = new AtomicLong();

+public class JettyWebServer extends WebServerBase {
    private static final Logger logger = LoggerFactory.getLogger(JettyWebServer.class);

    private Server server;
-    private int port;
-    private String bindInterface;
-    private String appBase;
    private String webInfLocation;
-    private String serverId;
-

    public JettyWebServer(String appBase, int aPort) {
        this(null, appBase, aPort, null);
    }

    public JettyWebServer(String webInfLocation, String appBase, int port, String bindInterface) {
-        checkFileExists(checkNotNull(appBase));
+        super(checkNotNull(appBase), port, bindInterface, "Jetty8", "org.eclipse.jetty", "jetty-server");

        if (webInfLocation != null) {
            checkFileExists(webInfLocation);
        }
-
-        this.port = port;
-        this.bindInterface = bindInterface;
-        this.appBase = appBase;
        this.webInfLocation = webInfLocation;
-        this.serverId = "Jetty#" + SERVER_ID.incrementAndGet();
-    }
-
-    /**
-     * Sets the serverId used by this server.
-     *
-     * Must not be called when server is started.
-     *
-     * The serverId is used to uniquely identify the main Factory used by REST main router in this server.
-     * It allows to access the Factory with Factory.getInstance(serverId).
-     *
-     * @param serverId the server id to set. Must be unique in the JVM.
-     *
-     * @return current server
-     */
-    public synchronized JettyWebServer setServerId(final String serverId) {
-        if (isStarted()) {
-            throw new IllegalStateException("can't set server id when server is started");
-        }
-        this.serverId = serverId;
-        return this;
-    }
-
-    @Override
-    public String getServerId() {
-        return serverId;
-    }
-
-    @Override
-    public int getPort() {
-        return port;
    }

    @Override
-    public String baseUrl() {
-        return WebServers.baseUri("127.0.0.1", port);
-    }
-
-    @Override
-    public String getServerType() {
-        return "Jetty " + Version.getVersion("org.eclipse.jetty", "jetty-server") + ", embedded";
-    }
-
-    @Override
-    public synchronized void start() throws Exception {
-        checkCanOpenSocket(port);
-
+    protected void _start() throws Exception {
        server = new Server();
-        WebServers.register(this);

        server.setThreadPool(createThreadPool());
        server.addConnector(createConnector());
@@ -109,27 +50,15 @@ public synchronized void start() throws Exception {
        server.start();
    }

-    @Override
-    public void startAndAwait() throws Exception {
-        start();
-        await();
-    }
-
    @Override
    public void await() throws InterruptedException {
        server.join();
    }

    @Override
-    public synchronized void stop() throws Exception {
+    protected void _stop() throws Exception {
        server.stop();
        server = null;
-        WebServers.unregister(serverId);
-    }
-
-    @Override
-    public synchronized boolean isStarted() {
-        return server != null;
    }

    protected ThreadPool createThreadPool() {