prepare external plugins

.gitignore

@@ -9,3 +9,4 @@
 **/.externalToolBuilders/
 **/*.lnk
 **/*.versionsBackup
+**/*.dll

app/src/main/java/de/serviceflow/frankenstein/Configuration.java

@@ -22,8 +22,10 @@
 import java.io.IOException;
 import java.util.ArrayList;
 import java.util.List;
+import java.util.Locale;
 import java.util.Properties;
 
+import de.serviceflow.frankenstein.plugin.api.ConfigManager;
 import de.serviceflow.frankenstein.vf.VideoFilter;
 import de.serviceflow.frankenstein.vf.VideoSource;
 import de.serviceflow.frankenstein.vf.input.CameraInput;
@@ -35,7 +37,7 @@
 /**
  * Handles information about the configuration of the 'Project' and the tool.
  */
-public class Configuration {
+public class Configuration implements ConfigManager {
 	// Ini-File properties
 	Properties iniProperties = new Properties();
 
@@ -53,8 +55,8 @@ public class Configuration {
 	public String outputVideo = null;
 	private String recordingVideo = null;
 	private String inputVideoStreamURL = null;
-	
-	
+
+
 	public int limitOutputWidth = 2880;
 
 	public int testScreenWidth = 1280;
@@ -74,12 +76,21 @@ public class Configuration {
 
 	private final File configFile;
 
+	private final PluginManager pluginManager = new PluginManager();
+
 	public SectionedProperties metadata = new SectionedProperties();
 
 	public static StringBuffer usage = new StringBuffer();
 
+	private static Configuration configuration;
+
+	public static ConfigManager getInstance() {
+		return configuration;
+	}
+
+
 	public static Configuration cliCreateConfiguration(String[] args) {
-		Configuration configuration = new Configuration(null);
+		configuration = new Configuration(null);
 
 		int optionKeyIndex;
 		String optionValue;
@@ -96,6 +107,8 @@ public static Configuration cliCreateConfiguration(String[] args) {
 		optionProperties = getOptionProperties(args, optionKeyIndex);
 		cliConfigureSource(configuration, optionValue, optionProperties);
 
+		configuration.getPluginManager().load(configuration);
+
 		// todo ...
 
 		if (getOptionIndex(args, "?")>=0) {
@@ -306,7 +319,7 @@ public String getInputStreamURL() {
 	public void setInputStreamURL(String inputVideoStreamURL) {
 		this.inputVideoStreamURL = inputVideoStreamURL;
 	}
-	
+
 	public String getRecordingVideoPath() {
 		return iniProperties.getProperty("recordingvideopath", iniProperties.getProperty("inputvideopath"));
 	}
@@ -341,4 +354,16 @@ public static String getUsage() {
 		return usage.toString();
 	}
 
+	public PluginManager getPluginManager() {
+		return pluginManager;
+	}
+
+	private static Locale locale = Locale.getDefault();
+
+
+	public Locale getLocale() {
+		return locale;
+	}
+
+
 }

app/src/main/java/de/serviceflow/frankenstein/Main.java

@@ -1,7 +1,5 @@
 package de.serviceflow.frankenstein;
 
-import java.lang.reflect.InvocationTargetException;
-import java.lang.reflect.Method;
 import java.util.Arrays;
 
 public class Main {
@@ -15,21 +13,20 @@ public static void main(String[] args) {
 			System.exit(0);
 		}
 
-		if (args.length==0 || c.isVisual()) {
+		if (args.length == 0 || c.isVisual()) {
 
 			de.serviceflow.frankenstein.fxml.FxMain.fxmain(c);
 			/*
-			Class<?> fxMain;
-			try {
-				fxMain = Class.forName("de.serviceflow.frankenstein.fxml.FxMain");
-				Class<?> parameterTypes[] = {de.serviceflow.frankenstein.Configuration.class};
-				Method main = fxMain.getDeclaredMethod("fxmain", parameterTypes);
-				Object[] invokeArgs = {c};
-				main.invoke(fxMain, invokeArgs);
-			} catch (ClassNotFoundException | IllegalAccessException | IllegalArgumentException
-					| InvocationTargetException | NoSuchMethodException | SecurityException e) {
-				e.printStackTrace();
-			}
+			 * Class<?> fxMain; try { fxMain =
+			 * Class.forName("de.serviceflow.frankenstein.fxml.FxMain");
+			 * Class<?> parameterTypes[] =
+			 * {de.serviceflow.frankenstein.Configuration.class}; Method main =
+			 * fxMain.getDeclaredMethod("fxmain", parameterTypes); Object[]
+			 * invokeArgs = {c}; main.invoke(fxMain, invokeArgs); } catch
+			 * (ClassNotFoundException | IllegalAccessException |
+			 * IllegalArgumentException | InvocationTargetException |
+			 * NoSuchMethodException | SecurityException e) {
+			 * e.printStackTrace(); }
 			 */
 		}
 	}

app/src/main/java/de/serviceflow/frankenstein/PluginManager.java

@@ -0,0 +1,118 @@
+package de.serviceflow.frankenstein;
+
+import java.io.File;
+import java.net.MalformedURLException;
+import java.net.URL;
+import java.net.URLClassLoader;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+import de.serviceflow.frankenstein.fxml.FxMain;
+import de.serviceflow.frankenstein.plugin.api.SegmentVideoFilter;
+import de.serviceflow.frankenstein.vf.segment.BWFilter;
+import de.serviceflow.frankenstein.vf.segment.StereoDistanceFilter;
+
+public class PluginManager {
+
+	private List<SegmentVideoFilter> segmentFilters;
+
+	public void load(Configuration configuration) {
+		createSegmentFilters();
+	}
+
+	public List<SegmentVideoFilter> getLocalFilters() {
+		return segmentFilters;
+	}
+
+	public void createSegmentFilters() {
+		segmentFilters = new ArrayList<SegmentVideoFilter>();
+
+		try {
+			segmentFilters.add(new BWFilter());
+			segmentFilters.add(new StereoDistanceFilter());
+		} catch (Throwable t) {
+			t.printStackTrace();
+		}
+
+		try {
+			String pluginOpenCVbase;
+			String pluginJogAmpbase;
+
+			String version = getClass().getPackage().getImplementationVersion();
+			String fs;
+			if (version != null && !version.endsWith("-SNAPSHOT")) {
+				fs = "/";
+				pluginOpenCVbase = "https://oss.sonatype.org/service/local/repositories/releases/content/de/serviceflow/frankenstein/plugin/opencv/plugin-opencv/"
+						+ version;
+				pluginJogAmpbase = "https://oss.sonatype.org/service/local/repositories/releases/content/de/serviceflow/frankenstein/plugin/jogamp/plugin-jogamp/"
+						+ version;
+			} else {
+				// Assume development environment in packaged state cwd =
+				// app/src/main/resources
+				// @todo Eclipse:
+				// https://stackoverflow.com/questions/6092200/how-to-fix-an-unsatisfiedlinkerror-cant-find-dependent-libraries-in-a-jni-pro
+				fs = File.separator;
+				version = "0.3.4-SNAPSHOT";
+				String baseFromAppResources = ".." + fs + ".." + fs + ".." + fs + ".." + fs;
+				pluginOpenCVbase = new File(System.getProperty("user.dir") + fs + baseFromAppResources + "plugin-opencv"
+						+ fs + "java" + fs + "target").toURI().toURL().toExternalForm();
+				pluginJogAmpbase = new File(System.getProperty("user.dir") + fs + baseFromAppResources + "plugin-jogamp"
+						+ fs + "java" + fs + "target").toURI().toURL().toExternalForm();
+			}
+
+			System.out.println("version (e.g. 0.3.3) = " + version);
+
+			String pluginOpenCVRef = pluginOpenCVbase + "/" + "plugin-opencv-" + version + ".jar";
+			String pluginJogAmpRef = pluginJogAmpbase + "/" + "plugin-jogamp-" + version + ".jar";
+
+			// Filters completly in jar
+			segmentFilters.add(loadExternalFilterInstance(
+					"de.serviceflow.frankenstein.plugin.opencv.NativeExampleFilter", pluginOpenCVRef));
+			segmentFilters.add(loadExternalFilterInstance(
+					"de.serviceflow.frankenstein.plugin.opencv.VideoEqualizerFilter", pluginOpenCVRef));
+			// segmentFilters.add(loadExternalFilterInstance(
+			// "de.serviceflow.frankenstein.plugin.opencv.ExternalSampleFilter",
+			// pluginOpenCVRef));
+			segmentFilters.add(loadExternalFilterInstance("de.serviceflow.frankenstein.plugin.jogamp.GLExampleFilter",
+					pluginJogAmpRef));
+		} catch (Throwable t) {
+			t.printStackTrace();
+		}
+
+	}
+
+	private SegmentVideoFilter loadExternalFilterInstance(String filterClassName, String ref) {
+		try {
+			// use dynamic loading and reflection when loading jni proxy class
+			// from jar, so app do not depend on it.
+			System.out.println("loading " + filterClassName + " from " + ref + " ...");
+			URLClassLoader childLoader = getLoader(ref);
+			Class<?> filterClass = Class.forName(filterClassName, true, childLoader);
+			SegmentVideoFilter filter = (SegmentVideoFilter) filterClass.newInstance();
+			return filter;
+		} catch (ClassNotFoundException | InstantiationException | IllegalAccessException | MalformedURLException
+				| SecurityException
+				| IllegalArgumentException /*
+											 * | InvocationTargetException |
+											 * NoSuchMethodException
+											 */ e) {
+			throw new RuntimeException("Failed loading filter " + filterClassName + " from " + ref, e);
+		}
+	}
+
+	static Map<String, URLClassLoader> loaders = new HashMap<String, URLClassLoader>();
+
+	static synchronized URLClassLoader getLoader(String ref) throws MalformedURLException {
+		ref = ref.intern();
+		URLClassLoader loader = loaders.get(ref);
+		if (loader == null) {
+			URL[] urls = new URL[] { new URL(ref) };
+			loader = new URLClassLoader(urls, FxMain.class.getClassLoader());
+			loaders.put(ref, loader);
+		}
+		return loader;
+	}
+
+}

app/src/main/java/de/serviceflow/frankenstein/fxml/FilterSetupController.java

@@ -14,7 +14,7 @@
 
 public class FilterSetupController {
 
-	private ProcessingSceneController parent;
+	// private ProcessingSceneController parent;
 
 	private Stage stage;
 
@@ -27,7 +27,7 @@ public class FilterSetupController {
 	BorderPane bpContainer;
 
 	public void configure(ProcessingSceneController parent, Stage stage) {
-		this.parent = parent;
+		// this.parent = parent;
 		this.stage = stage;
 
 		cbFilter.getItems().setAll(parent.getLocalFilters());