jaroslav@1041
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/**
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jaroslav@1041
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* Back 2 Browser Bytecode Translator
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jaroslav@1787
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* Copyright (C) 2012-2015 Jaroslav Tulach <jaroslav.tulach@apidesign.org>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, version 2 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. Look for COPYING file in the top folder.
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* If not, see http://opensource.org/licenses/GPL-2.0.
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*/
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package org.apidesign.bck2brwsr.launcher;
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import java.io.File;
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import org.apidesign.bck2brwsr.launcher.fximpl.FXBrwsr;
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import java.io.IOException;
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import java.io.InputStream;
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import java.lang.reflect.Method;
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import java.net.JarURLConnection;
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import java.net.URI;
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import java.net.URISyntaxException;
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import java.net.URL;
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import java.net.URLClassLoader;
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import java.util.ArrayList;
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import java.util.Enumeration;
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import java.util.List;
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import java.util.concurrent.Executors;
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import java.util.jar.Manifest;
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import java.util.logging.Level;
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import java.util.logging.Logger;
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import javafx.application.Platform;
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import org.apidesign.bck2brwsr.launcher.fximpl.JVMBridge;
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/**
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*
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* @author Jaroslav Tulach <jtulach@netbeans.org>
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*/
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final class FXBrwsrLauncher extends BaseHTTPLauncher {
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private static final Logger LOG = Logger.getLogger(FXBrwsrLauncher.class.getName());
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static {
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try {
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Method m = URLClassLoader.class.getDeclaredMethod("addURL", URL.class);
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m.setAccessible(true);
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URL l = new URL("file://" + System.getProperty("java.home") + "/lib/jfxrt.jar");
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LOG.log(Level.INFO, "url : {0}", l);
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m.invoke(ClassLoader.getSystemClassLoader(), l);
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} catch (Exception ex) {
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throw new LinkageError("Can't add jfxrt.jar on the classpath", ex);
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}
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}
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public FXBrwsrLauncher(String ignore) {
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super(null);
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}
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@Override
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protected Object[] showBrwsr(final URI url) throws IOException {
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try {
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LOG.log(Level.INFO, "showBrwsr for {0}", url);
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JVMBridge.registerClassLoaders(loaders());
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LOG.info("About to launch WebView");
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Executors.newSingleThreadExecutor().submit(new Runnable() {
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@Override
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public void run() {
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LOG.log(Level.INFO, "In FX thread. Launching!");
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try {
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List<String> params = new ArrayList<String>();
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params.add(url.toString());
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if (isDebugged()) {
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params.add("--toolbar=true");
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params.add("--firebug=true");
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String ud = System.getProperty("netbeans.user");
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if (ud != null) {
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params.add("--userdir=" + ud);
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}
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}
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FXBrwsr.launch(FXBrwsr.class, params.toArray(new String[params.size()]));
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LOG.log(Level.INFO, "Launcher is back. Closing");
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close();
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System.exit(0);
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} catch (Throwable ex) {
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LOG.log(Level.WARNING, "Error launching Web View", ex);
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}
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}
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});
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} catch (Throwable ex) {
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LOG.log(Level.WARNING, "Can't open WebView", ex);
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}
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return null;
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}
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@Override
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void generateBck2BrwsrJS(StringBuilder sb, Res loader) throws IOException {
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sb.append("(function() {\n"
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+ " var impl = this.bck2brwsr;\n"
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+ " this.bck2brwsr = function() { return impl; };\n");
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sb.append("})(window);\n");
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JVMBridge.onBck2BrwsrLoad();
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}
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@Override
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public void close() throws IOException {
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super.close();
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Platform.exit();
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}
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String harnessResource() {
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return "org/apidesign/bck2brwsr/launcher/fximpl/harness.xhtml";
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}
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public static void main(String... args) throws IOException {
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String startPage = null;
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final ClassLoader cl = FXBrwsrLauncher.class.getClassLoader();
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URL[] manifestURL = { null };
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startPage = findStartPage(cl, startPage, manifestURL);
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if (startPage == null) {
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throw new NullPointerException("Can't find StartPage tag in manifests!");
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}
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File dir = new File(".");
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if (manifestURL[0].getProtocol().equals("jar")) {
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try {
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dir = new File(
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((JarURLConnection)manifestURL[0].openConnection()).getJarFileURL().toURI()
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).getParentFile();
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} catch (URISyntaxException ex) {
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LOG.log(Level.WARNING, "Can't find root directory", ex);
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}
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}
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Launcher.showDir("fxbrwsr", dir, cl, startPage);
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}
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private static String findStartPage(
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final ClassLoader cl, String startPage, URL[] startURL
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) throws IOException {
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Enumeration<URL> en = cl.getResources("META-INF/MANIFEST.MF");
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while (en.hasMoreElements()) {
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URL url = en.nextElement();
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Manifest mf;
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InputStream is = null;
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try {
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is = url.openStream();
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mf = new Manifest(is);
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} finally {
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if (is != null) is.close();
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}
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String sp = mf.getMainAttributes().getValue("StartPage");
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if (sp != null) {
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startPage = sp;
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if (startURL != null) {
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startURL[0] = url;
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}
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break;
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}
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}
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return startPage;
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}
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private static boolean isDebugged() {
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try {
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return isDebuggedImpl();
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} catch (LinkageError e) {
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return false;
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}
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}
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private static boolean isDebuggedImpl() {
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java.lang.management.RuntimeMXBean runtime;
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runtime = java.lang.management.ManagementFactory.getRuntimeMXBean();
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List<String> args = runtime.getInputArguments();
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if (args.contains("-Xdebug")) { // NOI18N
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return true;
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}
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return false;
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}
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}
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