2 * Back 2 Browser Bytecode Translator
3 * Copyright (C) 2012 Jaroslav Tulach <jaroslav.tulach@apidesign.org>
5 * This program is free software: you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation, version 2 of the License.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program. Look for COPYING file in the top folder.
16 * If not, see http://opensource.org/licenses/GPL-2.0.
18 package org.apidesign.bck2brwsr.launcher;
20 import org.apidesign.bck2brwsr.launcher.fximpl.FXBrwsr;
21 import java.io.IOException;
22 import java.io.InputStream;
23 import java.lang.reflect.Method;
26 import java.net.URLClassLoader;
27 import java.util.Enumeration;
28 import java.util.List;
30 import java.util.concurrent.Executors;
31 import java.util.jar.Manifest;
32 import java.util.logging.Level;
33 import java.util.logging.Logger;
34 import javafx.application.Platform;
35 import org.apidesign.bck2brwsr.launcher.fximpl.JVMBridge;
39 * @author Jaroslav Tulach <jtulach@netbeans.org>
41 final class FXBrwsrLauncher extends BaseHTTPLauncher {
42 private static final Logger LOG = Logger.getLogger(FXBrwsrLauncher.class.getName());
45 Method m = URLClassLoader.class.getDeclaredMethod("addURL", URL.class);
46 m.setAccessible(true);
47 URL l = new URL("file://" + System.getProperty("java.home") + "/lib/jfxrt.jar");
48 LOG.log(Level.INFO, "url : {0}", l);
49 m.invoke(ClassLoader.getSystemClassLoader(), l);
50 } catch (Exception ex) {
51 throw new LinkageError("Can't add jfxrt.jar on the classpath", ex);
55 public FXBrwsrLauncher(String ignore) {
60 protected Object[] showBrwsr(final URI url) throws IOException {
62 LOG.log(Level.INFO, "showBrwsr for {0}", url);
63 JVMBridge.registerClassLoaders(loaders());
64 LOG.info("About to launch WebView");
65 Executors.newSingleThreadExecutor().submit(new Runnable() {
68 LOG.log(Level.INFO, "In FX thread. Launching!");
71 FXBrwsr.launch(FXBrwsr.class, url.toString(), "--toolbar=true");
73 FXBrwsr.launch(FXBrwsr.class, url.toString());
75 LOG.log(Level.INFO, "Launcher is back. Closing");
78 } catch (Throwable ex) {
79 LOG.log(Level.WARNING, "Error launching Web View", ex);
83 } catch (Throwable ex) {
84 LOG.log(Level.WARNING, "Can't open WebView", ex);
90 void generateBck2BrwsrJS(StringBuilder sb, Res loader) throws IOException {
91 sb.append("(function() {\n"
92 + " var impl = this.bck2brwsr;\n"
93 + " this.bck2brwsr = function() { return impl; };\n");
95 sb.append("var scr = window.document.createElement('script');\n");
96 sb.append("scr.type = 'text/javascript';\n");
97 sb.append("scr.src = 'https://getfirebug.com/firebug-lite.js';\n");
98 sb.append("scr.text = '{ startOpened: true }';\n");
99 sb.append("var head = window.document.getElementsByTagName('head')[0];");
100 sb.append("head.appendChild(scr);\n");
101 sb.append("var html = window.document.getElementsByTagName('html')[0];");
102 sb.append("html.debug = true;\n");
105 sb.append("})(window);\n");
106 JVMBridge.onBck2BrwsrLoad();
110 public void close() throws IOException {
115 String harnessResource() {
116 return "org/apidesign/bck2brwsr/launcher/fximpl/harness.xhtml";
119 public static void main(String... args) throws IOException {
120 String startPage = null;
122 final ClassLoader cl = FXBrwsrLauncher.class.getClassLoader();
123 startPage = findStartPage(cl, startPage);
124 if (startPage == null) {
125 throw new NullPointerException("Can't find StartPage tag in manifests!");
128 Launcher.showURL("fxbrwsr", cl, startPage);
131 private static String findStartPage(final ClassLoader cl, String startPage) throws IOException {
132 Enumeration<URL> en = cl.getResources("META-INF/MANIFEST.MF");
133 while (en.hasMoreElements()) {
134 URL url = en.nextElement();
136 InputStream is = null;
138 is = url.openStream();
139 mf = new Manifest(is);
141 if (is != null) is.close();
143 String sp = mf.getMainAttributes().getValue("StartPage");
152 private static boolean isDebugged() {
154 return isDebuggedImpl();
155 } catch (LinkageError e) {
160 private static boolean isDebuggedImpl() {
161 java.lang.management.RuntimeMXBean runtime;
162 runtime = java.lang.management.ManagementFactory.getRuntimeMXBean();
163 List<String> args = runtime.getInputArguments();
164 if (args.contains("-Xdebug")) { // NOI18N