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!");
70 FXBrwsr.launch(FXBrwsr.class, url.toString());
71 LOG.log(Level.INFO, "Launcher is back. Closing");
74 } catch (Throwable ex) {
75 LOG.log(Level.WARNING, "Error launching Web View", ex);
79 } catch (Throwable ex) {
80 LOG.log(Level.WARNING, "Can't open WebView", ex);
86 void generateBck2BrwsrJS(StringBuilder sb, Res loader) throws IOException {
87 sb.append("(function() {\n"
88 + " var impl = this.bck2brwsr;\n"
89 + " this.bck2brwsr = function() { return impl; };\n");
91 sb.append("var scr = window.document.createElement('script');\n");
92 sb.append("scr.type = 'text/javascript';\n");
93 sb.append("scr.src = 'https://getfirebug.com/firebug-lite.js';\n");
94 sb.append("scr.text = '{ startOpened: true }';\n");
95 sb.append("var head = window.document.getElementsByTagName('head')[0];");
96 sb.append("head.appendChild(scr);\n");
97 sb.append("var html = window.document.getElementsByTagName('html')[0];");
98 sb.append("html.debug = true;\n");
101 sb.append("})(window);\n");
102 JVMBridge.onBck2BrwsrLoad();
106 public void close() throws IOException {
111 String harnessResource() {
112 return "org/apidesign/bck2brwsr/launcher/fximpl/harness.xhtml";
115 public static void main(String... args) throws IOException {
116 String startPage = null;
118 final ClassLoader cl = FXBrwsrLauncher.class.getClassLoader();
119 startPage = findStartPage(cl, startPage);
120 if (startPage == null) {
121 throw new NullPointerException("Can't find StartPage tag in manifests!");
124 Launcher.showURL("fxbrwsr", cl, startPage);
127 private static String findStartPage(final ClassLoader cl, String startPage) throws IOException {
128 Enumeration<URL> en = cl.getResources("META-INF/MANIFEST.MF");
129 while (en.hasMoreElements()) {
130 URL url = en.nextElement();
132 try (InputStream is = url.openStream()) {
133 mf = new Manifest(is);
135 String sp = mf.getMainAttributes().getValue("StartPage");
144 private static boolean isDebugged() {
146 return isDebuggedImpl();
147 } catch (LinkageError e) {
152 private static boolean isDebuggedImpl() {
153 java.lang.management.RuntimeMXBean runtime;
154 runtime = java.lang.management.ManagementFactory.getRuntimeMXBean();
155 List<String> args = runtime.getInputArguments();
156 if (args.contains("-Xdebug")) { // NOI18N