# HG changeset patch
# User Jaroslav Tulach <jaroslav.tulach@apidesign.org>
# Date 1363249348 -3600
# Node ID 859804c78010bded0fa46b1450c87582dfda723e
# Parent  023cda5b8b0bfd4cf3af11d8de17210125317754
Hacky way (relies on singleton) to get FX working. Can attach @On(event=CLICK) and show alert in FX WebView now

diff -r 023cda5b8b0b -r 859804c78010 javaquery/api/pom.xml
--- a/javaquery/api/pom.xml	Wed Mar 13 16:20:03 2013 +0100
+++ b/javaquery/api/pom.xml	Thu Mar 14 09:22:28 2013 +0100
@@ -73,5 +73,12 @@
       <version>${project.version}</version>
       <scope>test</scope>
     </dependency>
+    <dependency>
+        <groupId>com.oracle</groupId>
+        <artifactId>javafx</artifactId>
+        <version>2.2</version>
+        <scope>system</scope>
+        <systemPath>${java.home}/lib/jfxrt.jar</systemPath>
+    </dependency>
   </dependencies>
 </project>
diff -r 023cda5b8b0b -r 859804c78010 javaquery/api/src/main/java/org/apidesign/bck2brwsr/htmlpage/PageProcessor.java
--- a/javaquery/api/src/main/java/org/apidesign/bck2brwsr/htmlpage/PageProcessor.java	Wed Mar 13 16:20:03 2013 +0100
+++ b/javaquery/api/src/main/java/org/apidesign/bck2brwsr/htmlpage/PageProcessor.java	Thu Mar 14 09:22:28 2013 +0100
@@ -265,7 +265,8 @@
             }
             w.append("  }\n");
             if (dispatchCnt > 0) {
-                w.append("class OnDispatch implements OnHandler {\n");
+                // XXX: sun.misc.Trampoline cannot call public methods in non-public classes
+                w.append("public class OnDispatch implements OnHandler {\n");
                 w.append("  private final int dispatch;\n");
                 w.append("  OnDispatch(int d) { dispatch = d; }\n");
                 w.append("  public void onEvent(Object ev) {\n");
diff -r 023cda5b8b0b -r 859804c78010 javaquery/api/src/main/java/org/apidesign/bck2brwsr/htmlpage/api/Element.java
--- a/javaquery/api/src/main/java/org/apidesign/bck2brwsr/htmlpage/api/Element.java	Wed Mar 13 16:20:03 2013 +0100
+++ b/javaquery/api/src/main/java/org/apidesign/bck2brwsr/htmlpage/api/Element.java	Thu Mar 14 09:22:28 2013 +0100
@@ -17,6 +17,8 @@
  */
 package org.apidesign.bck2brwsr.htmlpage.api;
 
+import javafx.scene.web.WebEngine;
+import netscape.javascript.JSObject;
 import org.apidesign.bck2brwsr.core.JavaScriptBody;
 
 /** Represents a generic HTML element.
@@ -73,13 +75,26 @@
         + "};\n"
     )
     final void on(OnEvent ev, OnHandler r) {
+        WebEngine e = web();
+        JSObject add = (JSObject)e.executeScript(
+              "var x = {}; x.add = new Function('e','attr','r', "
+            + "  'window.document.getElementById(e)[attr] = function(ev) { var d = ev ? ev : null; try { r.onEvent(d); } catch (x) { alert(\"OK\" + r[\"onEvent\"] + \"e\" + d + x); } };'"
+            + "); x;");
+        add.call("add", id, ev.id, r);
+    }
+    
+    private static WebEngine web() {
+        return (WebEngine) System.getProperties().get("webEngine");
     }
 
     /** Shows alert message dialog in a browser.
      * @param msg the message to show
      */
     @JavaScriptBody(args = "msg", body = "alert(msg);")
-    public static native void alert(String msg);
+    public static void alert(String msg) {
+        JSObject obj = (JSObject) web().executeScript("window");
+        obj.call("alert", msg);
+    }
 
     /** Generic way to query any attribute of this element.
      * @param property name of the attribute
diff -r 023cda5b8b0b -r 859804c78010 rt/launcher/pom.xml
--- a/rt/launcher/pom.xml	Wed Mar 13 16:20:03 2013 +0100
+++ b/rt/launcher/pom.xml	Thu Mar 14 09:22:28 2013 +0100
@@ -58,6 +58,12 @@
       <groupId>${project.groupId}</groupId>
       <artifactId>vm4brwsr</artifactId>
       <version>${project.version}</version>
+      <exclusions>
+        <exclusion>
+          <artifactId>emul.mini</artifactId>
+          <groupId>org.apidesign.bck2brwsr</groupId>
+        </exclusion>
+      </exclusions>
     </dependency>
   </dependencies>
 </project>
diff -r 023cda5b8b0b -r 859804c78010 rt/launcher/src/main/java/org/apidesign/bck2brwsr/launcher/Bck2BrwsrLauncher.java
--- a/rt/launcher/src/main/java/org/apidesign/bck2brwsr/launcher/Bck2BrwsrLauncher.java	Wed Mar 13 16:20:03 2013 +0100
+++ b/rt/launcher/src/main/java/org/apidesign/bck2brwsr/launcher/Bck2BrwsrLauncher.java	Thu Mar 14 09:22:28 2013 +0100
@@ -91,6 +91,10 @@
     public void addClassLoader(ClassLoader url) {
         this.loaders.add(url);
     }
+    
+    ClassLoader[] loaders() {
+        return loaders.toArray(new ClassLoader[loaders.size()]);
+    }
 
     public void showURL(String startpage) throws IOException {
         if (!startpage.startsWith("/")) {
@@ -144,7 +148,7 @@
 
         final ServerConfiguration conf = s.getServerConfiguration();
         if (addClasses) {
-            conf.addHttpHandler(new VM(resources), "/bck2brwsr.js");
+            conf.addHttpHandler(new VM(this, resources), "/bck2brwsr.js");
             conf.addHttpHandler(new Classes(resources), "/classes/");
         }
         return s;
@@ -436,6 +440,27 @@
         }
     }
 
+    void generateBck2BrwsrJS(StringBuilder sb, Bck2Brwsr.Resources loader) throws IOException {
+        Bck2Brwsr.generate(sb, loader);
+        sb.append(
+            "(function WrapperVM(global) {"
+            + "  function ldCls(res) {\n"
+            + "    var request = new XMLHttpRequest();\n"
+            + "    request.open('GET', '/classes/' + res, false);\n"
+            + "    request.send();\n"
+            + "    if (request.status !== 200) return null;\n"
+            + "    var arr = eval('(' + request.responseText + ')');\n"
+            + "    return arr;\n"
+            + "  }\n"
+            + "  var prevvm = global.bck2brwsr;\n"
+            + "  global.bck2brwsr = function() {\n"
+            + "    var args = Array.prototype.slice.apply(arguments);\n"
+            + "    args.unshift(ldCls);\n"
+            + "    return prevvm.apply(null, args);\n"
+            + "  };\n"
+            + "})(this);\n");
+    }
+
     private class Res implements Bck2Brwsr.Resources {
         @Override
         public InputStream get(String resource) throws IOException {
@@ -498,27 +523,10 @@
     private static class VM extends HttpHandler {
         private final String bck2brwsr;
 
-        public VM(Res loader) throws IOException {
+        public VM(Bck2BrwsrLauncher l, Res loader) throws IOException {
             StringBuilder sb = new StringBuilder();
-            Bck2Brwsr.generate(sb, loader);
-            sb.append(
-                  "(function WrapperVM(global) {"
-                + "  function ldCls(res) {\n"
-                + "    var request = new XMLHttpRequest();\n"
-                + "    request.open('GET', '/classes/' + res, false);\n"
-                + "    request.send();\n"
-                + "    if (request.status !== 200) return null;\n"
-                + "    var arr = eval('(' + request.responseText + ')');\n"
-                + "    return arr;\n"
-                + "  }\n"
-                + "  var prevvm = global.bck2brwsr;\n"
-                + "  global.bck2brwsr = function() {\n"
-                + "    var args = Array.prototype.slice.apply(arguments);\n"
-                + "    args.unshift(ldCls);\n"
-                + "    return prevvm.apply(null, args);\n"
-                + "  };\n"
-                + "})(this);\n"
-            );
+            l.generateBck2BrwsrJS(
+                  sb, loader);
             this.bck2brwsr = sb.toString();
         }
 
diff -r 023cda5b8b0b -r 859804c78010 rt/launcher/src/main/java/org/apidesign/bck2brwsr/launcher/Launcher.java
--- a/rt/launcher/src/main/java/org/apidesign/bck2brwsr/launcher/Launcher.java	Wed Mar 13 16:20:03 2013 +0100
+++ b/rt/launcher/src/main/java/org/apidesign/bck2brwsr/launcher/Launcher.java	Thu Mar 14 09:22:28 2013 +0100
@@ -102,7 +102,7 @@
      * @throws IOException if something goes wrong
      */
     public static Closeable showURL(URLClassLoader classes, String startpage) throws IOException {
-        Bck2BrwsrLauncher l = new Bck2BrwsrLauncher(null);
+        Bck2BrwsrLauncher l = new WebViewLauncher();
         l.addClassLoader(classes);
         l.showURL(startpage);
         return l;
@@ -116,7 +116,7 @@
      * @exception IOException if something goes wrong.
      */
     public static Closeable showDir(File directory, String startpage) throws IOException {
-        Bck2BrwsrLauncher l = new Bck2BrwsrLauncher(null);
+        Bck2BrwsrLauncher l = new WebViewLauncher();
         l.showDirectory(directory, startpage);
         return l;
     }
diff -r 023cda5b8b0b -r 859804c78010 rt/launcher/src/main/java/org/apidesign/bck2brwsr/launcher/WebViewLauncher.java
--- a/rt/launcher/src/main/java/org/apidesign/bck2brwsr/launcher/WebViewLauncher.java	Wed Mar 13 16:20:03 2013 +0100
+++ b/rt/launcher/src/main/java/org/apidesign/bck2brwsr/launcher/WebViewLauncher.java	Thu Mar 14 09:22:28 2013 +0100
@@ -17,47 +17,32 @@
  */
 package org.apidesign.bck2brwsr.launcher;
 
+import org.apidesign.bck2brwsr.launcher.impl.FXBrwsr;
 import java.io.IOException;
 import java.lang.reflect.Method;
 import java.net.URI;
 import java.net.URL;
 import java.net.URLClassLoader;
 
-import java.util.List;
 import java.util.concurrent.Executors;
-import javafx.application.Application;
+import java.util.logging.Level;
+import java.util.logging.Logger;
 import javafx.application.Platform;
-import javafx.beans.value.ChangeListener;
-import javafx.beans.value.ObservableValue;
-import javafx.event.ActionEvent;
-import javafx.event.EventHandler;
-import javafx.geometry.HPos;
-import javafx.geometry.Insets;
-import javafx.geometry.VPos;
-import javafx.scene.Node;
-import javafx.scene.Scene;
-import javafx.scene.control.Button;
-import javafx.scene.control.TextField;
-import javafx.scene.layout.ColumnConstraints;
-import javafx.scene.layout.GridPane;
-import javafx.scene.layout.Pane;
-import javafx.scene.layout.Priority;
-import javafx.scene.layout.VBox;
-import javafx.scene.web.WebEngine;
-import javafx.scene.web.WebView;
-import javafx.stage.Stage;
+import org.apidesign.bck2brwsr.launcher.impl.JVMBridge;
+import org.apidesign.vm4brwsr.Bck2Brwsr;
 
 /**
  *
  * @author Jaroslav Tulach <jtulach@netbeans.org>
  */
 final class WebViewLauncher extends Bck2BrwsrLauncher {
+    private static final Logger LOG = Logger.getLogger(WebViewLauncher.class.getName());
     static {
         try {
             Method m = URLClassLoader.class.getDeclaredMethod("addURL", URL.class);
             m.setAccessible(true);
             URL l = new URL("file://" + System.getProperty("java.home") + "/lib/jfxrt.jar");
-            System.err.println("url : " + l);
+            LOG.log(Level.INFO, "url : {0}", l);
             m.invoke(ClassLoader.getSystemClassLoader(), l);
         } catch (Exception ex) {
             throw new LinkageError("Can't add jfxrt.jar on the classpath", ex);
@@ -71,108 +56,39 @@
     @Override
     protected Object[] showBrwsr(final URI url) throws IOException {
         try {
+            JVMBridge.registerClassLoaders(loaders());
             Executors.newSingleThreadExecutor().submit(new Runnable() {
                 @Override
                 public void run() {
-                    WebViewBrowser.launch(WebViewBrowser.class, url.toString());
+                    FXBrwsr.launch(FXBrwsr.class, url.toString());
                 }
             });
         } catch (Throwable ex) {
-            ex.printStackTrace();
+            LOG.log(Level.WARNING, "Can't open WebView", ex);
         }
         return null;
     }
-
+    
+    @Override
+    void generateBck2BrwsrJS(StringBuilder sb, Bck2Brwsr.Resources loader) throws IOException {
+        sb.append("(function() {\n"
+            + "  this.jvmBridge = new Array();\n"
+            + "  this.jvmBridge.loadClass = Array.prototype.push;\n"
+            + "  var bridge = this.jvmBridge;\n"
+            + "  this.bck2brwsr = function() { return {\n"
+            + "     loadClass : function(name) {\n"
+            + "       return bridge.loadClass(name);\n"
+            + "     }"
+            + "  }; };\n"
+            + "})(window);\n"
+        );
+    }
+    
+    
+    
     @Override
     public void close() throws IOException {
         Platform.exit();
     }
     
-    
-
-    /**
-     * Demonstrates a WebView object accessing a web page.
-     *
-     * @see javafx.scene.web.WebView
-     * @see javafx.scene.web.WebEngine
-     */
-    public static class WebViewBrowser extends Application {
-
-        @Override
-        public void start(Stage primaryStage) throws Exception {
-            Pane root = new WebViewPane(getParameters().getUnnamed());
-            primaryStage.setScene(new Scene(root, 1024, 768));
-            primaryStage.show();
-        }
-
-        /**
-         * Create a resizable WebView pane
-         */
-        public class WebViewPane extends Pane {
-
-            public WebViewPane(List<String> params) {
-                VBox.setVgrow(this, Priority.ALWAYS);
-                setMaxWidth(Double.MAX_VALUE);
-                setMaxHeight(Double.MAX_VALUE);
-
-                WebView view = new WebView();
-                view.setMinSize(500, 400);
-                view.setPrefSize(500, 400);
-                final WebEngine eng = view.getEngine();
-                final TextField locationField = new TextField();
-                System.err.println("params : " + params);
-                if (params.size() > 0) {
-                    eng.load(params.get(0));
-                    locationField.setText(params.get(0));
-                }
-                locationField.setMaxHeight(Double.MAX_VALUE);
-                Button goButton = new Button("Go");
-                goButton.setDefaultButton(true);
-                EventHandler<ActionEvent> goAction = new EventHandler<ActionEvent>() {
-                    @Override
-                    public void handle(ActionEvent event) {
-                        eng.load(locationField.getText().startsWith("http://") ? locationField.getText()
-                            : "http://" + locationField.getText());
-                    }
-                };
-                goButton.setOnAction(goAction);
-                locationField.setOnAction(goAction);
-                eng.locationProperty().addListener(new ChangeListener<String>() {
-                    @Override
-                    public void changed(ObservableValue<? extends String> observable, String oldValue, String newValue) {
-                        locationField.setText(newValue);
-                    }
-                });
-                GridPane grid = new GridPane();
-                grid.setVgap(5);
-                grid.setHgap(5);
-                GridPane.setConstraints(locationField, 0, 0, 1, 1, HPos.CENTER, VPos.CENTER, Priority.ALWAYS, Priority.SOMETIMES);
-                GridPane.setConstraints(goButton, 1, 0);
-                GridPane.setConstraints(view, 0, 1, 2, 1, HPos.CENTER, VPos.CENTER, Priority.ALWAYS, Priority.ALWAYS);
-                grid.getColumnConstraints().addAll(
-                    new ColumnConstraints(100, 100, Double.MAX_VALUE, Priority.ALWAYS, HPos.CENTER, true),
-                    new ColumnConstraints(40, 40, 40, Priority.NEVER, HPos.CENTER, true));
-                grid.getChildren().addAll(locationField, goButton, view);
-                getChildren().add(grid);
-            }
-
-            @Override
-            protected void layoutChildren() {
-                List<Node> managed = getManagedChildren();
-                double width = getWidth();
-                double height = getHeight();
-                double top = getInsets().getTop();
-                double right = getInsets().getRight();
-                double left = getInsets().getLeft();
-                double bottom = getInsets().getBottom();
-                for (int i = 0; i < managed.size(); i++) {
-                    Node child = managed.get(i);
-                    layoutInArea(child, left, top,
-                        width - left - right, height - top - bottom,
-                        0, Insets.EMPTY, true, true, HPos.CENTER, VPos.CENTER);
-                }
-            }
-        }
-    }
-    
 }
diff -r 023cda5b8b0b -r 859804c78010 rt/launcher/src/main/java/org/apidesign/bck2brwsr/launcher/impl/FXBrwsr.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/rt/launcher/src/main/java/org/apidesign/bck2brwsr/launcher/impl/FXBrwsr.java	Thu Mar 14 09:22:28 2013 +0100
@@ -0,0 +1,169 @@
+/**
+ * Back 2 Browser Bytecode Translator
+ * Copyright (C) 2012 Jaroslav Tulach <jaroslav.tulach@apidesign.org>
+ *
+ * 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, version 2 of the License.
+ *
+ * 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. Look for COPYING file in the top folder.
+ * If not, see http://opensource.org/licenses/GPL-2.0.
+ */
+package org.apidesign.bck2brwsr.launcher.impl;
+
+import java.util.List;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+import javafx.application.Application;
+import javafx.beans.value.ChangeListener;
+import javafx.beans.value.ObservableValue;
+import javafx.concurrent.Worker;
+import javafx.event.ActionEvent;
+import javafx.event.EventHandler;
+import javafx.geometry.HPos;
+import javafx.geometry.Insets;
+import javafx.geometry.VPos;
+import javafx.scene.Node;
+import javafx.scene.Scene;
+import javafx.scene.control.Button;
+import javafx.scene.control.TextField;
+import javafx.scene.layout.ColumnConstraints;
+import javafx.scene.layout.GridPane;
+import javafx.scene.layout.Pane;
+import javafx.scene.layout.Priority;
+import javafx.scene.layout.VBox;
+import javafx.scene.web.WebEngine;
+import javafx.scene.web.WebEvent;
+import javafx.scene.web.WebView;
+import javafx.stage.Stage;
+import javax.swing.JOptionPane;
+import netscape.javascript.JSObject;
+
+/**
+ * Demonstrates a WebView object accessing a web page.
+ *
+ * @see javafx.scene.web.WebView
+ * @see javafx.scene.web.WebEngine
+ */
+public class FXBrwsr extends Application {
+    private static final Logger LOG = Logger.getLogger(FXBrwsr.class.getName());
+
+    @Override
+    public void start(Stage primaryStage) throws Exception {
+        Pane root = new WebViewPane(getParameters().getUnnamed());
+        primaryStage.setScene(new Scene(root, 1024, 768));
+        primaryStage.show();
+    }
+    
+    /**
+     * Create a resizable WebView pane
+     */
+    private class WebViewPane extends Pane {
+        private final JVMBridge bridge = new JVMBridge();
+
+        public WebViewPane(List<String> params) {
+            VBox.setVgrow(this, Priority.ALWAYS);
+            setMaxWidth(Double.MAX_VALUE);
+            setMaxHeight(Double.MAX_VALUE);
+            WebView view = new WebView();
+            view.setMinSize(500, 400);
+            view.setPrefSize(500, 400);
+            final WebEngine eng = view.getEngine();
+            final TextField locationField = new TextField();
+            LOG.info("params : " + params);
+            if (params.size() > 0) {
+                eng.getLoadWorker().stateProperty().addListener(new ChangeListener<Worker.State>() {
+                    @Override
+                    public void changed(ObservableValue<? extends Worker.State> ov, Worker.State t, Worker.State t1) {
+                        LOG.info("about to init bck2brwsr");
+                        initBck2Brwsr(eng);
+                        LOG.info("done init of bck2brwsr");
+                    }
+                });
+                LOG.info("loading page " + params.get(0));
+                eng.load(params.get(0));
+                LOG.info("done loading page ");
+                locationField.setText(params.get(0));
+            }
+            locationField.setMaxHeight(Double.MAX_VALUE);
+            Button goButton = new Button("Go");
+            goButton.setDefaultButton(true);
+            EventHandler<ActionEvent> goAction = new EventHandler<ActionEvent>() {
+                @Override
+                public void handle(ActionEvent event) {
+                    eng.load(locationField.getText().startsWith("http://") ? locationField.getText() : "http://" + locationField.getText());
+                }
+            };
+            goButton.setOnAction(goAction);
+            locationField.setOnAction(goAction);
+            eng.locationProperty().addListener(new ChangeListener<String>() {
+                @Override
+                public void changed(ObservableValue<? extends String> observable, String oldValue, String newValue) {
+                    locationField.setText(newValue);
+                }
+            });
+            eng.setOnAlert(new EventHandler<WebEvent<String>>() {
+                @Override
+                public void handle(WebEvent<String> t) {
+                    JOptionPane.showMessageDialog(null, t.getData());
+                }
+            });
+            GridPane grid = new GridPane();
+            grid.setVgap(5);
+            grid.setHgap(5);
+            GridPane.setConstraints(locationField, 0, 0, 1, 1, HPos.CENTER, VPos.CENTER, Priority.ALWAYS, Priority.SOMETIMES);
+            GridPane.setConstraints(goButton, 1, 0);
+            GridPane.setConstraints(view, 0, 1, 2, 1, HPos.CENTER, VPos.CENTER, Priority.ALWAYS, Priority.ALWAYS);
+            grid.getColumnConstraints().addAll(new ColumnConstraints(100, 100, Double.MAX_VALUE, Priority.ALWAYS, HPos.CENTER, true), new ColumnConstraints(40, 40, 40, Priority.NEVER, HPos.CENTER, true));
+            grid.getChildren().addAll(locationField, goButton, view);
+            getChildren().add(grid);
+        }
+
+        void initBck2Brwsr(WebEngine webEngine) {
+            JSObject jsobj = (JSObject) webEngine.executeScript("window");
+            LOG.info("window: " + jsobj);
+            System.getProperties().put("webEngine", webEngine);
+            Object prev = jsobj.getMember("jvmBridge");
+            if (prev instanceof JSObject) {
+                jsobj.setMember("jvmBridge", bridge);
+                JSObject jso = (JSObject) prev;
+                Object len = jso.getMember("length");
+                if (len instanceof Integer) {
+                    for (int i = 0; i < (Integer) len; i++) {
+                        Object slt = jso.getSlot(i);
+                        if (slt instanceof String) {
+                            try {
+                                bridge.loadClass((String) slt);
+                            } catch (ClassNotFoundException ex) {
+                                LOG.log(Level.SEVERE, null, ex);
+                            }
+                        }
+                    }
+                    LOG.info("bck2brwsr: " + jsobj.getMember("bck2brwsr"));
+                }
+            }
+        }
+
+        @Override
+        protected void layoutChildren() {
+            List<Node> managed = getManagedChildren();
+            double width = getWidth();
+            double height = getHeight();
+            double top = getInsets().getTop();
+            double right = getInsets().getRight();
+            double left = getInsets().getLeft();
+            double bottom = getInsets().getBottom();
+            for (int i = 0; i < managed.size(); i++) {
+                Node child = managed.get(i);
+                layoutInArea(child, left, top, width - left - right, height - top - bottom, 0, Insets.EMPTY, true, true, HPos.CENTER, VPos.CENTER);
+            }
+        }
+    }
+    
+}
diff -r 023cda5b8b0b -r 859804c78010 rt/launcher/src/main/java/org/apidesign/bck2brwsr/launcher/impl/JVMBridge.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/rt/launcher/src/main/java/org/apidesign/bck2brwsr/launcher/impl/JVMBridge.java	Thu Mar 14 09:22:28 2013 +0100
@@ -0,0 +1,46 @@
+/**
+ * Back 2 Browser Bytecode Translator
+ * Copyright (C) 2012 Jaroslav Tulach <jaroslav.tulach@apidesign.org>
+ *
+ * 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, version 2 of the License.
+ *
+ * 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. Look for COPYING file in the top folder.
+ * If not, see http://opensource.org/licenses/GPL-2.0.
+ */
+package org.apidesign.bck2brwsr.launcher.impl;
+
+/**
+ *
+ * @author Jaroslav Tulach <jtulach@netbeans.org>
+ */
+public final class JVMBridge {
+    private static ClassLoader[] ldrs;
+        
+    public static void registerClassLoaders(ClassLoader[] loaders) {
+        ldrs = loaders.clone();
+    }
+    
+    public Class<?> loadClass(String name) throws ClassNotFoundException {
+        System.err.println("trying to load " + name);
+        ClassNotFoundException ex = null;
+        if (ldrs != null) for (ClassLoader l : ldrs) {
+            try {
+                return Class.forName(name, true, l);
+            } catch (ClassNotFoundException ex2) {
+                ex = ex2;
+            }
+        }
+        if (ex == null) {
+            ex = new ClassNotFoundException("No loaders");
+        }
+        throw ex;
+    }
+}