# HG changeset patch
# User Jaroslav Tulach <jaroslav.tulach@apidesign.org>
# Date 1367163769 -7200
# Node ID f18b7262fe91c17d9d06699fc2c82b74571968b0
# Parent  784443774aef3992fa9e69a0eab067b189c32887
FX launcher can start tests

diff -r 784443774aef -r f18b7262fe91 launcher/api/src/main/java/org/apidesign/bck2brwsr/launcher/Launcher.java
--- a/launcher/api/src/main/java/org/apidesign/bck2brwsr/launcher/Launcher.java	Sun Apr 28 17:11:12 2013 +0200
+++ b/launcher/api/src/main/java/org/apidesign/bck2brwsr/launcher/Launcher.java	Sun Apr 28 17:42:49 2013 +0200
@@ -79,12 +79,20 @@
      * @return launcher executing in external browser.
      */
     public static Launcher createBrowser(String cmd) {
+        String msg = "Trying to create browser '" + cmd + "'";
         try {
-            Class<?> c = loadClass("org.apidesign.bck2brwsr.launcher.Bck2BrwsrLauncher");
+            Class<?> c;
+            if ("fx".equals(cmd)) { // NOI18N
+                msg = "Please include org.apidesign.bck2brwsr:launcher.fx dependency!";
+                c = loadClass("org.apidesign.bck2brwsr.launcher.FXBrwsrLauncher"); // NOI18N
+            } else {
+                msg = "Please include org.apidesign.bck2brwsr:launcher.html dependency!";
+                c = loadClass("org.apidesign.bck2brwsr.launcher.Bck2BrwsrLauncher"); // NOI18N
+            }
             Constructor<?> cnstr = c.getConstructor(String.class);
             return (Launcher) cnstr.newInstance(cmd);
         } catch (Exception ex) {
-            throw new IllegalStateException("Please include org.apidesign.bck2brwsr:launcher.html dependency!", ex);
+            throw new IllegalStateException(msg, ex);
         }
     }
     
diff -r 784443774aef -r f18b7262fe91 launcher/fx/pom.xml
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/launcher/fx/pom.xml	Sun Apr 28 17:42:49 2013 +0200
@@ -0,0 +1,54 @@
+<?xml version="1.0"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+  <modelVersion>4.0.0</modelVersion>
+  <parent>
+    <groupId>org.apidesign.bck2brwsr</groupId>
+    <artifactId>launcher-pom</artifactId>
+    <version>0.7-SNAPSHOT</version>
+  </parent>
+  <groupId>org.apidesign.bck2brwsr</groupId>
+  <artifactId>launcher.fx</artifactId>
+  <version>0.7-SNAPSHOT</version>
+  <name>FXBrwsr Launcher</name>
+  <url>http://maven.apache.org</url>
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <version>2.3.2</version>
+                <configuration>
+                    <source>1.7</source>
+                    <target>1.7</target>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
+    <properties>
+    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+  </properties>
+  <dependencies>
+    <dependency>
+      <groupId>${project.groupId}</groupId>
+      <artifactId>launcher</artifactId>
+      <version>${project.version}</version>
+    </dependency>
+    <dependency>
+      <groupId>org.glassfish.grizzly</groupId>
+      <artifactId>grizzly-http-server</artifactId>
+      <version>2.2.19</version>
+    </dependency>
+    <dependency>
+      <groupId>com.oracle</groupId>
+      <artifactId>javafx</artifactId>
+      <version>2.2</version>
+      <scope>system</scope>
+      <systemPath>${java.home}/lib/jfxrt.jar</systemPath>
+    </dependency>
+    <dependency>
+        <groupId>${project.groupId}</groupId>
+        <artifactId>vm4brwsr</artifactId>
+        <version>${project.version}</version>
+    </dependency>
+  </dependencies>
+</project>
diff -r 784443774aef -r f18b7262fe91 launcher/fx/src/main/java/org/apidesign/bck2brwsr/launcher/BaseHTTPLauncher.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/launcher/fx/src/main/java/org/apidesign/bck2brwsr/launcher/BaseHTTPLauncher.java	Sun Apr 28 17:42:49 2013 +0200
@@ -0,0 +1,609 @@
+/**
+ * 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;
+
+import java.io.Closeable;
+import java.io.File;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InterruptedIOException;
+import java.io.OutputStream;
+import java.io.UnsupportedEncodingException;
+import java.io.Writer;
+import java.net.URI;
+import java.net.URISyntaxException;
+import java.net.URL;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Enumeration;
+import java.util.LinkedHashSet;
+import java.util.List;
+import java.util.Set;
+import java.util.concurrent.BlockingQueue;
+import java.util.concurrent.CountDownLatch;
+import java.util.concurrent.LinkedBlockingQueue;
+import java.util.concurrent.TimeUnit;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+import org.apidesign.bck2brwsr.launcher.InvocationContext.Resource;
+import org.apidesign.vm4brwsr.Bck2Brwsr;
+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;
+
+/**
+ * Lightweight server to launch Bck2Brwsr applications and tests.
+ * Supports execution in native browser as well as Java's internal 
+ * execution engine.
+ */
+class BaseHTTPLauncher extends Launcher implements Closeable {
+    private static final Logger LOG = Logger.getLogger(BaseHTTPLauncher.class.getName());
+    private static final InvocationContext END = new InvocationContext(null, null, null);
+    private final Set<ClassLoader> loaders = new LinkedHashSet<>();
+    private final BlockingQueue<InvocationContext> methods = new LinkedBlockingQueue<>();
+    private long timeOut;
+    private final Res resources = new Res();
+    private final String cmd;
+    private Object[] brwsr;
+    private HttpServer server;
+    private CountDownLatch wait;
+    
+    public BaseHTTPLauncher(String cmd) {
+        this.cmd = cmd;
+        addClassLoader(Bck2Brwsr.class.getClassLoader());
+        setTimeout(180000);
+    }
+    
+    @Override
+    InvocationContext runMethod(InvocationContext c) throws IOException {
+        loaders.add(c.clazz.getClassLoader());
+        methods.add(c);
+        try {
+            c.await(timeOut);
+        } catch (InterruptedException ex) {
+            throw new IOException(ex);
+        }
+        return c;
+    }
+    
+    public void setTimeout(long ms) {
+        timeOut = ms;
+    }
+    
+    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("/")) {
+            startpage = "/" + startpage;
+        }
+        HttpServer s = initServer(".", true);
+        int last = startpage.lastIndexOf('/');
+        String prefix = startpage.substring(0, last);
+        String simpleName = startpage.substring(last);
+        s.getServerConfiguration().addHttpHandler(new SubTree(resources, prefix), "/");
+        try {
+            launchServerAndBrwsr(s, simpleName);
+        } catch (URISyntaxException | InterruptedException ex) {
+            throw new IOException(ex);
+        }
+    }
+
+    void showDirectory(File dir, String startpage) throws IOException {
+        if (!startpage.startsWith("/")) {
+            startpage = "/" + startpage;
+        }
+        HttpServer s = initServer(dir.getPath(), false);
+        try {
+            launchServerAndBrwsr(s, startpage);
+        } catch (URISyntaxException | InterruptedException ex) {
+            throw new IOException(ex);
+        }
+    }
+
+    @Override
+    public void initialize() throws IOException {
+        try {
+            executeInBrowser();
+        } catch (InterruptedException ex) {
+            final InterruptedIOException iio = new InterruptedIOException(ex.getMessage());
+            iio.initCause(ex);
+            throw iio;
+        } catch (Exception ex) {
+            if (ex instanceof IOException) {
+                throw (IOException)ex;
+            }
+            if (ex instanceof RuntimeException) {
+                throw (RuntimeException)ex;
+            }
+            throw new IOException(ex);
+        }
+    }
+    
+    private HttpServer initServer(String path, boolean addClasses) throws IOException {
+        HttpServer s = HttpServer.createSimpleServer(path, new PortRange(8080, 65535));
+
+        final ServerConfiguration conf = s.getServerConfiguration();
+        if (addClasses) {
+            conf.addHttpHandler(new VM(), "/bck2brwsr.js");
+            conf.addHttpHandler(new Classes(resources), "/classes/");
+        }
+        return s;
+    }
+    
+    private void executeInBrowser() throws InterruptedException, URISyntaxException, IOException {
+        wait = new CountDownLatch(1);
+        server = initServer(".", true);
+        final ServerConfiguration conf = server.getServerConfiguration();
+        
+        class DynamicResourceHandler extends HttpHandler {
+            private final InvocationContext ic;
+            public DynamicResourceHandler(InvocationContext ic) {
+                if (ic == null || ic.resources.isEmpty()) {
+                    throw new NullPointerException();
+                }
+                this.ic = ic;
+                for (Resource r : ic.resources) {
+                    conf.addHttpHandler(this, r.httpPath);
+                }
+            }
+
+            public void close() {
+                conf.removeHttpHandler(this);
+            }
+            
+            @Override
+            public void service(Request request, Response response) throws Exception {
+                for (Resource r : ic.resources) {
+                    if (r.httpPath.equals(request.getRequestURI())) {
+                        LOG.log(Level.INFO, "Serving HttpResource for {0}", 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]);
+                            }
+                        }
+                        
+                        copyStream(r.httpContent, response.getOutputStream(), null, params);
+                    }
+                }
+            }
+        }
+        
+        conf.addHttpHandler(new Page(resources, 
+            "org/apidesign/bck2brwsr/launcher/fximpl/harness.xhtml"
+        ), "/execute");
+        
+        conf.addHttpHandler(new HttpHandler() {
+            int cnt;
+            List<InvocationContext> cases = new ArrayList<>();
+            DynamicResourceHandler prev;
+            @Override
+            public void service(Request request, Response response) throws Exception {
+                String id = request.getParameter("request");
+                String value = request.getParameter("result");
+                if (value != null && value.indexOf((char)0xC5) != -1) {
+                    value = toUTF8(value);
+                }
+                
+                
+                InvocationContext mi = null;
+                int caseNmbr = -1;
+                
+                if (id != null && value != null) {
+                    LOG.log(Level.INFO, "Received result for case {0} = {1}", new Object[]{id, value});
+                    value = decodeURL(value);
+                    int indx = Integer.parseInt(id);
+                    cases.get(indx).result(value, null);
+                    if (++indx < cases.size()) {
+                        mi = cases.get(indx);
+                        LOG.log(Level.INFO, "Re-executing case {0}", indx);
+                        caseNmbr = indx;
+                    }
+                } else {
+                    if (!cases.isEmpty()) {
+                        LOG.info("Re-executing test cases");
+                        mi = cases.get(0);
+                        caseNmbr = 0;
+                    }
+                }
+                
+                if (prev != null) {
+                    prev.close();
+                    prev = null;
+                }
+                
+                if (mi == null) {
+                    mi = methods.take();
+                    caseNmbr = cnt++;
+                }
+                if (mi == END) {
+                    response.getWriter().write("");
+                    wait.countDown();
+                    cnt = 0;
+                    LOG.log(Level.INFO, "End of data reached. Exiting.");
+                    return;
+                }
+                
+                if (!mi.resources.isEmpty()) {
+                    prev = new DynamicResourceHandler(mi);
+                }
+                
+                cases.add(mi);
+                final String cn = mi.clazz.getName();
+                final String mn = mi.methodName;
+                LOG.log(Level.INFO, "Request for {0} case. Sending {1}.{2}", new Object[]{caseNmbr, cn, mn});
+                response.getWriter().write("{"
+                    + "className: '" + cn + "', "
+                    + "methodName: '" + mn + "', "
+                    + "request: " + caseNmbr
+                );
+                if (mi.html != null) {
+                    response.getWriter().write(", html: '");
+                    response.getWriter().write(encodeJSON(mi.html));
+                    response.getWriter().write("'");
+                }
+                response.getWriter().write("}");
+            }
+        }, "/data");
+
+        this.brwsr = launchServerAndBrwsr(server, "/execute");
+    }
+    
+    private static String encodeJSON(String in) {
+        StringBuilder sb = new StringBuilder();
+        for (int i = 0; i < in.length(); i++) {
+            char ch = in.charAt(i);
+            if (ch < 32 || ch == '\'' || ch == '"') {
+                sb.append("\\u");
+                String hs = "0000" + Integer.toHexString(ch);
+                hs = hs.substring(hs.length() - 4);
+                sb.append(hs);
+            } else {
+                sb.append(ch);
+            }
+        }
+        return sb.toString();
+    }
+    
+    @Override
+    public void shutdown() throws IOException {
+        methods.offer(END);
+        for (;;) {
+            int prev = methods.size();
+            try {
+                if (wait != null && wait.await(timeOut, TimeUnit.MILLISECONDS)) {
+                    break;
+                }
+            } catch (InterruptedException ex) {
+                throw new IOException(ex);
+            }
+            if (prev == methods.size()) {
+                LOG.log(
+                    Level.WARNING, 
+                    "Timeout and no test has been executed meanwhile (at {0}). Giving up.", 
+                    methods.size()
+                );
+                break;
+            }
+            LOG.log(Level.INFO, 
+                "Timeout, but tests got from {0} to {1}. Trying again.", 
+                new Object[]{prev, methods.size()}
+            );
+        }
+        stopServerAndBrwsr(server, brwsr);
+    }
+    
+    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 Object[] launchServerAndBrwsr(HttpServer server, final String page) throws IOException, URISyntaxException, InterruptedException {
+        server.start();
+        NetworkListener listener = server.getListeners().iterator().next();
+        int port = listener.getPort();
+        
+        URI uri = new URI("http://localhost:" + port + page);
+        return showBrwsr(uri);
+    }
+    private static String toUTF8(String value) throws UnsupportedEncodingException {
+        byte[] arr = new byte[value.length()];
+        for (int i = 0; i < arr.length; i++) {
+            arr[i] = (byte)value.charAt(i);
+        }
+        return new String(arr, "UTF-8");
+    }
+    
+    private static String decodeURL(String s) {
+        for (;;) {
+            int pos = s.indexOf('%');
+            if (pos == -1) {
+                return s;
+            }
+            int i = Integer.parseInt(s.substring(pos + 1, pos + 2), 16);
+            s = s.substring(0, pos) + (char)i + s.substring(pos + 2);
+        }
+    }
+    
+    private void stopServerAndBrwsr(HttpServer server, Object[] brwsr) throws IOException {
+        if (brwsr == null) {
+            return;
+        }
+        Process process = (Process)brwsr[0];
+        
+        server.stop();
+        InputStream stdout = process.getInputStream();
+        InputStream stderr = process.getErrorStream();
+        drain("StdOut", stdout);
+        drain("StdErr", stderr);
+        process.destroy();
+        int res;
+        try {
+            res = process.waitFor();
+        } catch (InterruptedException ex) {
+            throw new IOException(ex);
+        }
+        LOG.log(Level.INFO, "Exit code: {0}", res);
+
+        deleteTree((File)brwsr[1]);
+    }
+    
+    private static void drain(String name, InputStream is) throws IOException {
+        int av = is.available();
+        if (av > 0) {
+            StringBuilder sb = new StringBuilder();
+            sb.append("v== ").append(name).append(" ==v\n");
+            while (av-- > 0) {
+                sb.append((char)is.read());
+            }
+            sb.append("\n^== ").append(name).append(" ==^");
+            LOG.log(Level.INFO, sb.toString());
+        }
+    }
+
+    private void deleteTree(File file) {
+        if (file == null) {
+            return;
+        }
+        File[] arr = file.listFiles();
+        if (arr != null) {
+            for (File s : arr) {
+                deleteTree(s);
+            }
+        }
+        file.delete();
+    }
+
+    @Override
+    public void close() throws IOException {
+        shutdown();
+    }
+
+    protected Object[] showBrwsr(URI uri) 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 };
+        }
+    }
+
+    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 {
+            for (ClassLoader l : loaders) {
+                URL u = null;
+                Enumeration<URL> en = l.getResources(resource);
+                while (en.hasMoreElements()) {
+                    u = en.nextElement();
+                }
+                if (u != null) {
+                    return u.openStream();
+                }
+            }
+            throw new IOException("Can't find " + resource);
+        }
+    }
+
+    private static class Page extends HttpHandler {
+        final String resource;
+        private final String[] args;
+        private final Res res;
+        
+        public Page(Res res, String resource, String... args) {
+            this.res = res;
+            this.resource = resource;
+            this.args = args.length == 0 ? new String[] { "$0" } : args;
+        }
+
+        @Override
+        public void service(Request request, Response response) throws Exception {
+            String r = computePage(request);
+            if (r.startsWith("/")) {
+                r = r.substring(1);
+            }
+            String[] replace = {};
+            if (r.endsWith(".html")) {
+                response.setContentType("text/html");
+                LOG.info("Content type text/html");
+                replace = args;
+            }
+            if (r.endsWith(".xhtml")) {
+                response.setContentType("application/xhtml+xml");
+                LOG.info("Content type application/xhtml+xml");
+                replace = args;
+            }
+            OutputStream os = response.getOutputStream();
+            try (InputStream is = res.get(r)) {
+                copyStream(is, os, request.getRequestURL().toString(), replace);
+            } catch (IOException ex) {
+                response.setDetailMessage(ex.getLocalizedMessage());
+                response.setError();
+                response.setStatus(404);
+            }
+        }
+
+        protected String computePage(Request request) {
+            String r = resource;
+            if (r == null) {
+                r = request.getHttpHandlerPath();
+            }
+            return r;
+        }
+    }
+    
+    private static class SubTree extends Page {
+
+        public SubTree(Res res, String resource, String... args) {
+            super(res, resource, args);
+        }
+
+        @Override
+        protected String computePage(Request request) {
+            return resource + request.getHttpHandlerPath();
+        }
+        
+        
+    }
+
+    private class VM extends HttpHandler {
+        @Override
+        public void service(Request request, Response response) throws Exception {
+            response.setCharacterEncoding("UTF-8");
+            response.setContentType("text/javascript");
+            StringBuilder sb = new StringBuilder();
+            generateBck2BrwsrJS(sb, BaseHTTPLauncher.this.resources);
+            response.getWriter().write(sb.toString());
+        }
+    }
+
+    private static class Classes extends HttpHandler {
+        private final Res loader;
+
+        public Classes(Res loader) {
+            this.loader = loader;
+        }
+
+        @Override
+        public void service(Request request, Response response) throws Exception {
+            String res = request.getHttpHandlerPath();
+            if (res.startsWith("/")) {
+                res = res.substring(1);
+            }
+            try (InputStream is = loader.get(res)) {
+                response.setContentType("text/javascript");
+                Writer w = response.getWriter();
+                w.append("[");
+                for (int i = 0;; i++) {
+                    int b = is.read();
+                    if (b == -1) {
+                        break;
+                    }
+                    if (i > 0) {
+                        w.append(", ");
+                    }
+                    if (i % 20 == 0) {
+                        w.write("\n");
+                    }
+                    if (b > 127) {
+                        b = b - 256;
+                    }
+                    w.append(Integer.toString(b));
+                }
+                w.append("\n]");
+            } catch (IOException ex) {
+                response.setStatus(HttpStatus.NOT_FOUND_404);
+                response.setError();
+                response.setDetailMessage(ex.getMessage());
+            }
+        }
+    }
+}
diff -r 784443774aef -r f18b7262fe91 launcher/fx/src/main/java/org/apidesign/bck2brwsr/launcher/FXBrwsrLauncher.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/launcher/fx/src/main/java/org/apidesign/bck2brwsr/launcher/FXBrwsrLauncher.java	Sun Apr 28 17:42:49 2013 +0200
@@ -0,0 +1,99 @@
+/**
+ * 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;
+
+import org.apidesign.bck2brwsr.launcher.fximpl.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.concurrent.Executors;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+import javafx.application.Platform;
+import org.apidesign.bck2brwsr.launcher.fximpl.JVMBridge;
+import org.apidesign.vm4brwsr.Bck2Brwsr;
+
+/**
+ *
+ * @author Jaroslav Tulach <jtulach@netbeans.org>
+ */
+final class FXBrwsrLauncher extends BaseHTTPLauncher {
+    private static final Logger LOG = Logger.getLogger(FXBrwsrLauncher.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");
+            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);
+        }
+    }
+    
+    public FXBrwsrLauncher(String ignore) {
+        super(null);
+    }
+
+    @Override
+    protected Object[] showBrwsr(final URI url) throws IOException {
+        try {
+            LOG.log(Level.INFO, "showBrwsr for {0}", url);
+            JVMBridge.registerClassLoaders(loaders());
+            LOG.info("About to launch WebView");
+            Executors.newSingleThreadExecutor().submit(new Runnable() {
+                @Override
+                public void run() {
+                    LOG.log(Level.INFO, "In FX thread. Launching!");
+                    try {
+                        FXBrwsr.launch(FXBrwsr.class, url.toString());
+                        LOG.log(Level.INFO, "Launcher is back. Closing");
+                        close();
+                    } catch (Throwable ex) {
+                        LOG.log(Level.WARNING, "Error launching Web View", ex);
+                    }
+                }
+            });
+        } catch (Throwable ex) {
+            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"
+            + "  var impl = this.bck2brwsr;\n"
+            + "  this.bck2brwsr = function() { return impl; };\n"
+            + "})(window);\n"
+        );
+        JVMBridge.onBck2BrwsrLoad();
+    }
+    
+    
+    
+    @Override
+    public void close() throws IOException {
+        super.close();
+        Platform.exit();
+    }
+    
+}
diff -r 784443774aef -r f18b7262fe91 launcher/fx/src/main/java/org/apidesign/bck2brwsr/launcher/fximpl/Console.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/launcher/fx/src/main/java/org/apidesign/bck2brwsr/launcher/fximpl/Console.java	Sun Apr 28 17:42:49 2013 +0200
@@ -0,0 +1,415 @@
+/**
+ * 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.fximpl;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.UnsupportedEncodingException;
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
+import java.lang.reflect.Modifier;
+import java.net.URL;
+import java.util.Enumeration;
+import javafx.scene.web.WebEngine;
+import netscape.javascript.JSObject;
+import org.apidesign.bck2brwsr.core.JavaScriptBody;
+
+/**
+ *
+ * @author Jaroslav Tulach <jtulach@netbeans.org>
+ */
+public final class Console {
+    public Console() {
+    }
+    
+    @JavaScriptBody(args = {"elem", "attr"}, body = 
+        "return elem[attr].toString();")
+    private static Object getAttr(Object elem, String attr) {
+        return InvokeJS.CObject.call("getAttr", elem, attr);
+    }
+
+    @JavaScriptBody(args = {"id", "attr", "value"}, body = 
+        "window.document.getElementById(id)[attr] = value;")
+    private static void setAttr(String id, String attr, Object value) {
+        InvokeJS.CObject.call("setAttrId", id, attr, value);
+    }
+    @JavaScriptBody(args = {"elem", "attr", "value"}, body = 
+        "elem[attr] = value;")
+    private static void setAttr(Object id, String attr, Object value) {
+        InvokeJS.CObject.call("setAttr", id, attr, value);
+    }
+    
+    @JavaScriptBody(args = {}, body = "return; window.close();")
+    private static void closeWindow() {}
+
+    private static Object textArea;
+    private static Object statusArea;
+    
+    private static void log(String newText) {
+        if (textArea == null) {
+            return;
+        }
+        String attr = "value";
+        setAttr(textArea, attr, getAttr(textArea, attr) + "\n" + newText);
+        setAttr(textArea, "scrollTop", getAttr(textArea, "scrollHeight"));
+    }
+    
+    private static void beginTest(Case c) {
+        Object[] arr = new Object[2];
+        beginTest(c.getClassName() + "." + c.getMethodName(), c, arr);
+        textArea = arr[0];
+        statusArea = arr[1];
+    }
+    
+    private static void finishTest(Case c, Object res) {
+        if ("null".equals(res)) {
+            setAttr(statusArea, "innerHTML", "Success");
+        } else {
+            setAttr(statusArea, "innerHTML", "Result " + res);
+        }
+        statusArea = null;
+        textArea = null;
+    }
+
+    private static final String BEGIN_TEST =  
+        "var ul = window.document.getElementById('bck2brwsr.result');\n"
+        + "var li = window.document.createElement('li');\n"
+        + "var span = window.document.createElement('span');"
+        + "span.innerHTML = test + ' - ';\n"
+        + "var details = window.document.createElement('a');\n"
+        + "details.innerHTML = 'Details';\n"
+        + "details.href = '#';\n"
+        + "var p = window.document.createElement('p');\n"
+        + "var status = window.document.createElement('a');\n"
+        + "status.innerHTML = 'running';"
+        + "details.onclick = function() { li.appendChild(p); li.removeChild(details); status.innerHTML = 'Run Again'; status.href = '#'; };\n"
+        + "status.onclick = function() { c.again(arr); }\n"
+        + "var pre = window.document.createElement('textarea');\n"
+        + "pre.cols = 100;"
+        + "pre.rows = 10;"
+        + "li.appendChild(span);\n"
+        + "li.appendChild(status);\n"
+        + "var span = window.document.createElement('span');"
+        + "span.innerHTML = ' ';\n"
+        + "li.appendChild(span);\n"
+        + "li.appendChild(details);\n"
+        + "p.appendChild(pre);\n"
+        + "ul.appendChild(li);\n"
+        + "arr[0] = pre;\n"
+        + "arr[1] = status;\n";
+        
+    @JavaScriptBody(args = { "test", "c", "arr" }, body = BEGIN_TEST)
+    private static void beginTest(String test, Case c, Object[] arr) {
+        InvokeJS.CObject.call("beginTest", test, c, arr);
+    }
+    
+    private static final String LOAD_TEXT = 
+          "var request = new XMLHttpRequest();\n"
+        + "request.open('GET', url, true);\n"
+        + "request.setRequestHeader('Content-Type', 'text/plain; charset=utf-8');\n"
+        + "request.onreadystatechange = function() {\n"
+        + "  if (this.readyState!==4) return;\n"
+        + " try {"
+        + "  arr[0] = this.responseText;\n"
+        + "  callback.run__V();\n"
+        + " } catch (e) { alert(e); }"
+        + "};"
+        + "request.send();";
+    @JavaScriptBody(args = { "url", "callback", "arr" }, body = LOAD_TEXT)
+    private static void loadText(String url, Runnable callback, String[] arr) throws IOException {
+        InvokeJS.CObject.call("loadText", url, new Run(callback), arr);
+    }
+    
+    public static void runHarness(String url) throws IOException {
+        new Console().harness(url);
+    }
+    
+    public void harness(String url) throws IOException {
+        log("Connecting to " + url);
+        Request r = new Request(url);
+    }
+    
+    private static class Request implements Runnable {
+        private final String[] arr = { null };
+        private final String url;
+        private Case c;
+        private int retries;
+
+        private Request(String url) throws IOException {
+            this.url = url;
+            loadText(url, this, arr);
+        }
+        private Request(String url, String u) throws IOException {
+            this.url = url;
+            loadText(u, this, arr);
+        }
+        
+        @Override
+        public void run() {
+            try {
+                if (c == null) {
+                    String data = arr[0];
+
+                    if (data == null) {
+                        log("Some error exiting");
+                        closeWindow();
+                        return;
+                    }
+
+                    if (data.isEmpty()) {
+                        log("No data, exiting");
+                        closeWindow();
+                        return;
+                    }
+
+                    c = Case.parseData(data);
+                    beginTest(c);
+                    log("Got \"" + data + "\"");
+                } else {
+                    log("Processing \"" + arr[0] + "\" for " + retries + " time");
+                }
+                Object result = retries++ >= 10 ? "java.lang.InterruptedException:timeout" : c.runTest();
+                finishTest(c, result);
+                
+                String u = url + "?request=" + c.getRequestId() + "&result=" + result;
+                new Request(url, u);
+            } catch (Exception ex) {
+                if (ex instanceof InterruptedException) {
+                    log("Re-scheduling in 100ms");
+                    schedule(this, 100);
+                    return;
+                }
+                log(ex.getClass().getName() + ":" + ex.getMessage());
+            }
+        }
+    }
+    
+    private static String encodeURL(String r) throws UnsupportedEncodingException {
+        final String SPECIAL = "%$&+,/:;=?@";
+        StringBuilder sb = new StringBuilder();
+        byte[] utf8 = r.getBytes("UTF-8");
+        for (int i = 0; i < utf8.length; i++) {
+            int ch = utf8[i] & 0xff;
+            if (ch < 32 || ch > 127 || SPECIAL.indexOf(ch) >= 0) {
+                final String numbers = "0" + Integer.toHexString(ch);
+                sb.append("%").append(numbers.substring(numbers.length() - 2));
+            } else {
+                if (ch == 32) {
+                    sb.append("+");
+                } else {
+                    sb.append((char)ch);
+                }
+            }
+        }
+        return sb.toString();
+    }
+    
+    static String invoke(String clazz, String method) throws 
+    ClassNotFoundException, InvocationTargetException, IllegalAccessException, 
+    InstantiationException, InterruptedException {
+        final Object r = new Case(null).invokeMethod(clazz, method);
+        return r == null ? "null" : r.toString().toString();
+    }
+
+    /** Helper method that inspects the classpath and loads given resource
+     * (usually a class file). Used while running tests in Rhino.
+     * 
+     * @param name resource name to find
+     * @return the array of bytes in the given resource
+     * @throws IOException I/O in case something goes wrong
+     */
+    public static byte[] read(String name) throws IOException {
+        URL u = null;
+        Enumeration<URL> en = Console.class.getClassLoader().getResources(name);
+        while (en.hasMoreElements()) {
+            u = en.nextElement();
+        }
+        if (u == null) {
+            throw new IOException("Can't find " + name);
+        }
+        try (InputStream is = u.openStream()) {
+            byte[] arr;
+            arr = new byte[is.available()];
+            int offset = 0;
+            while (offset < arr.length) {
+                int len = is.read(arr, offset, arr.length - offset);
+                if (len == -1) {
+                    throw new IOException("Can't read " + name);
+                }
+                offset += len;
+            }
+            return arr;
+        }
+    }
+   
+    @JavaScriptBody(args = {}, body = "vm.desiredAssertionStatus = true;")
+    private static void turnAssetionStatusOn() {
+    }
+
+    @JavaScriptBody(args = {"r", "time"}, body =
+        "return window.setTimeout(function() { r.run__V(); }, time);")
+    private static Object schedule(Runnable r, int time) {
+        return InvokeJS.CObject.call("schedule", new Run(r), time);
+    }
+    
+    private static final class Case {
+        private final Object data;
+        private Object inst;
+
+        private Case(Object data) {
+            this.data = data;
+        }
+        
+        public static Case parseData(String s) {
+            return new Case(toJSON(s));
+        }
+        
+        public String getMethodName() {
+            return (String) value("methodName", data);
+        }
+
+        public String getClassName() {
+            return (String) value("className", data);
+        }
+        
+        public int getRequestId() {
+            Object v = value("request", data);
+            if (v instanceof Number) {
+                return ((Number)v).intValue();
+            }
+            return Integer.parseInt(v.toString());
+        }
+
+        public String getHtmlFragment() {
+            return (String) value("html", data);
+        }
+        
+        void again(Object[] arr) {
+            try {
+                textArea = arr[0];
+                statusArea = arr[1];
+                setAttr(textArea, "value", "");
+                runTest();
+            } catch (Exception ex) {
+                log(ex.getClass().getName() + ":" + ex.getMessage());
+            }
+        }
+
+        private Object runTest() throws IllegalAccessException, 
+        IllegalArgumentException, ClassNotFoundException, UnsupportedEncodingException, 
+        InvocationTargetException, InstantiationException, InterruptedException {
+            if (this.getHtmlFragment() != null) {
+                setAttr("bck2brwsr.fragment", "innerHTML", this.getHtmlFragment());
+            }
+            log("Invoking " + this.getClassName() + '.' + this.getMethodName() + " as request: " + this.getRequestId());
+            Object result = invokeMethod(this.getClassName(), this.getMethodName());
+            setAttr("bck2brwsr.fragment", "innerHTML", "");
+            log("Result: " + result);
+            result = encodeURL("" + result);
+            log("Sending back: ...?request=" + this.getRequestId() + "&result=" + result);
+            return result;
+        }
+
+        private Object invokeMethod(String clazz, String method)
+        throws ClassNotFoundException, InvocationTargetException,
+        InterruptedException, IllegalAccessException, IllegalArgumentException,
+        InstantiationException {
+            Method found = null;
+            Class<?> c = Class.forName(clazz);
+            for (Method m : c.getMethods()) {
+                if (m.getName().equals(method)) {
+                    found = m;
+                }
+            }
+            Object res;
+            if (found != null) {
+                try {
+                    if ((found.getModifiers() & Modifier.STATIC) != 0) {
+                        res = found.invoke(null);
+                    } else {
+                        if (inst == null) {
+                            inst = c.newInstance();
+                        }
+                        res = found.invoke(inst);
+                    }
+                } catch (Throwable ex) {
+                    if (ex instanceof InvocationTargetException) {
+                        ex = ((InvocationTargetException) ex).getTargetException();
+                    }
+                    if (ex instanceof InterruptedException) {
+                        throw (InterruptedException)ex;
+                    }
+                    res = ex.getClass().getName() + ":" + ex.getMessage();
+                }
+            } else {
+                res = "Can't find method " + method + " in " + clazz;
+            }
+            return res;
+        }
+        
+        @JavaScriptBody(args = "s", body = "return eval('(' + s + ')');")
+        private static Object toJSON(String s) {
+            return InvokeJS.CObject.call("toJSON", s);
+        }
+        
+        @JavaScriptBody(args = {"p", "d"}, body = 
+              "var v = d[p];\n"
+            + "if (typeof v === 'undefined') return null;\n"
+            + "return v.toString();"
+        )
+        private static Object value(String p, Object d) {
+            return ((JSObject)d).getMember(p);
+        }
+    }
+    
+    private static String safe(String txt) {
+        return "try {" + txt + "} catch (err) { alert(err); }";
+    }
+    
+    static {
+        turnAssetionStatusOn();
+    }
+    
+    private static final class InvokeJS {
+        static final JSObject CObject = initJS();
+
+        @JavaScriptBody(args = {  }, body = "return null;")
+        private static JSObject initJS() {
+            WebEngine web = (WebEngine) System.getProperties().get("webEngine");
+            return (JSObject) web.executeScript("(function() {"
+                + "var CObject = {};"
+
+                + "CObject.getAttr = function(elem, attr) { return elem[attr].toString(); };"
+
+                + "CObject.setAttrId = function(id, attr, value) { window.document.getElementById(id)[attr] = value; };"
+                + "CObject.setAttr = function(elem, attr, value) { elem[attr] = value; };"
+
+                + "CObject.beginTest = function(test, c, arr) {" + safe(BEGIN_TEST) + "};"
+
+                + "CObject.loadText = function(url, callback, arr) {" + safe(LOAD_TEXT.replace("run__V", "run")) + "};"
+
+                + "CObject.schedule = function(r, time) { return window.setTimeout(function() { r.run(); }, time); };"
+
+                + "CObject.toJSON = function(s) { return eval('(' + s + ')'); };"
+
+                + "return CObject;"
+            + "})(this)");
+        }
+    }
+    
+}
diff -r 784443774aef -r f18b7262fe91 launcher/fx/src/main/java/org/apidesign/bck2brwsr/launcher/fximpl/FXBrwsr.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/launcher/fx/src/main/java/org/apidesign/bck2brwsr/launcher/fximpl/FXBrwsr.java	Sun Apr 28 17:42:49 2013 +0200
@@ -0,0 +1,184 @@
+/**
+ * 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.fximpl;
+
+import java.util.List;
+import java.util.TooManyListenersException;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+import javafx.application.Application;
+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.Pos;
+import javafx.geometry.VPos;
+import javafx.scene.Node;
+import javafx.scene.Scene;
+import javafx.scene.control.Button;
+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.text.Text;
+import javafx.scene.web.WebEngine;
+import javafx.scene.web.WebEvent;
+import javafx.scene.web.WebView;
+import javafx.stage.Modality;
+import javafx.stage.Stage;
+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));
+        LOG.info("Showing the stage");
+        primaryStage.show();
+        LOG.log(Level.INFO, "State shown: {0}", primaryStage.isShowing());
+    }
+    
+    /**
+     * Create a resizable WebView pane
+     */
+    private class WebViewPane extends Pane {
+        private final JVMBridge bridge = new JVMBridge();
+
+        public WebViewPane(List<String> params) {
+            LOG.log(Level.INFO, "Initializing WebView with {0}", 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();
+            try {
+                JVMBridge.addBck2BrwsrLoad(new InitBck2Brwsr(eng));
+            } catch (TooManyListenersException ex) {
+                LOG.log(Level.SEVERE, null, ex);
+            }
+            
+            if (params.size() > 0) {
+                LOG.log(Level.INFO, "loading page {0}", params.get(0));
+                eng.load(params.get(0));
+                LOG.fine("back from load");
+            }
+            eng.setOnAlert(new EventHandler<WebEvent<String>>() {
+                @Override
+                public void handle(WebEvent<String> t) {
+                    final Stage dialogStage = new Stage();
+                    dialogStage.initModality(Modality.WINDOW_MODAL);
+                    dialogStage.setTitle("Warning");
+                    final Button button = new Button("Close");
+                    final Text text = new Text(t.getData());
+                    
+                    VBox box = new VBox();
+                    box.setAlignment(Pos.CENTER);
+                    box.setSpacing(10);
+                    box.setPadding(new Insets(10));
+                    box.getChildren().addAll(text, button);
+                    
+                    dialogStage.setScene(new Scene(box));
+                    
+                    button.setCancelButton(true);
+                    button.setOnAction(new EventHandler<ActionEvent>() {
+                        @Override
+                        public void handle(ActionEvent t) {
+                            dialogStage.close();
+                        }
+                    });
+                    
+                    dialogStage.centerOnScreen();
+                    dialogStage.showAndWait();
+                }
+            });
+            GridPane grid = new GridPane();
+            grid.setVgap(5);
+            grid.setHgap(5);
+            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(view);
+            getChildren().add(grid);
+        }
+
+        boolean initBck2Brwsr(WebEngine webEngine) {
+            JSObject jsobj = (JSObject) webEngine.executeScript("window");
+            LOG.log(Level.FINE, "window: {0}", jsobj);
+            Object prev = jsobj.getMember("bck2brwsr");
+            if ("undefined".equals(prev)) {
+                System.getProperties().put("webEngine", webEngine);
+                jsobj.setMember("bck2brwsr", bridge);
+                return true;
+            }
+            return false;
+        }
+
+        @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);
+            }
+        }
+
+        private class InitBck2Brwsr implements ChangeListener<Void>, Runnable {
+            private final WebEngine eng;
+
+            public InitBck2Brwsr(WebEngine eng) {
+                this.eng = eng;
+            }
+
+            @Override
+            public synchronized void changed(ObservableValue<? extends Void> ov, Void t, Void t1) {
+                Platform.runLater(this);
+                try {
+                    wait();
+                } catch (InterruptedException ex) {
+                    LOG.log(Level.SEVERE, null, ex);
+                }
+            }
+
+            @Override
+            public synchronized void run() {
+                initBck2Brwsr(eng);
+                notifyAll();
+            }
+        }
+    }
+    
+}
diff -r 784443774aef -r f18b7262fe91 launcher/fx/src/main/java/org/apidesign/bck2brwsr/launcher/fximpl/JVMBridge.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/launcher/fx/src/main/java/org/apidesign/bck2brwsr/launcher/fximpl/JVMBridge.java	Sun Apr 28 17:42:49 2013 +0200
@@ -0,0 +1,64 @@
+/**
+ * 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.fximpl;
+
+import java.util.TooManyListenersException;
+import javafx.beans.value.ChangeListener;
+
+/**
+ *
+ * @author Jaroslav Tulach <jtulach@netbeans.org>
+ */
+public final class JVMBridge {
+    private static ClassLoader[] ldrs;
+    private static ChangeListener<Void> onBck2BrwsrLoad;
+        
+    public static void registerClassLoaders(ClassLoader[] loaders) {
+        ldrs = loaders.clone();
+    }
+    
+    public static void addBck2BrwsrLoad(ChangeListener<Void> l) throws TooManyListenersException {
+        if (onBck2BrwsrLoad != null) {
+            throw new TooManyListenersException();
+        }
+        onBck2BrwsrLoad = l;
+    }
+
+    public static void onBck2BrwsrLoad() {
+        ChangeListener<Void> l = onBck2BrwsrLoad;
+        if (l != null) {
+            l.changed(null, null, null);
+        }
+    }
+    
+    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;
+    }
+}
diff -r 784443774aef -r f18b7262fe91 launcher/fx/src/main/java/org/apidesign/bck2brwsr/launcher/fximpl/Run.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/launcher/fx/src/main/java/org/apidesign/bck2brwsr/launcher/fximpl/Run.java	Sun Apr 28 17:42:49 2013 +0200
@@ -0,0 +1,35 @@
+/**
+ * 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.fximpl;
+
+/**
+ *
+ * @author Jaroslav Tulach <jtulach@netbeans.org>
+ */
+public final class Run implements Runnable {
+    private final Runnable r;
+    Run(Runnable r) {
+        this.r = r;
+    }
+
+    @Override
+    public void run() {
+        r.run();
+    }
+}
diff -r 784443774aef -r f18b7262fe91 launcher/fx/src/main/resources/org/apidesign/bck2brwsr/launcher/fximpl/harness.xhtml
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/launcher/fx/src/main/resources/org/apidesign/bck2brwsr/launcher/fximpl/harness.xhtml	Sun Apr 28 17:42:49 2013 +0200
@@ -0,0 +1,52 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+
+    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.
+
+-->
+<!DOCTYPE html>
+<html xmlns="http://www.w3.org/1999/xhtml">
+    <head>
+        <title>Bck2Brwsr Harness</title>
+    </head>
+    <body>
+        <script src="/bck2brwsr.js"></script>
+        <script>
+            var vm = bck2brwsr();
+        </script>
+        
+        <h1>Bck2Brwsr Execution Harness</h1>
+        
+        <ul id="bck2brwsr.result" style="width: 100%;" >
+        </ul>
+
+        <div id="bck2brwsr.fragment"/>
+        
+        <script type="text/javascript">
+            try {
+                (function() {
+                    var cls = vm.loadClass('org.apidesign.bck2brwsr.launcher.fximpl.Console');
+                    // fxbrwsr mangling
+                    var inst = cls.newInstance();
+                    inst.harness('$U/../data');
+                })();
+            } catch (err) { 
+                alert('Error executing harness: ' + err); 
+            }
+        </script>
+    </body>
+</html>
diff -r 784443774aef -r f18b7262fe91 launcher/pom.xml
--- a/launcher/pom.xml	Sun Apr 28 17:11:12 2013 +0200
+++ b/launcher/pom.xml	Sun Apr 28 17:42:49 2013 +0200
@@ -14,5 +14,6 @@
   <modules>
     <module>api</module>
     <module>http</module>
+    <module>fx</module>
   </modules>
 </project>
\ No newline at end of file