1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/launcher/fx/src/main/java/org/apidesign/bck2brwsr/launcher/fximpl/WebDebug.java Sat Jun 08 12:09:10 2013 +0200
1.3 @@ -0,0 +1,187 @@
1.4 +/**
1.5 + * Back 2 Browser Bytecode Translator
1.6 + * Copyright (C) 2012 Jaroslav Tulach <jaroslav.tulach@apidesign.org>
1.7 + *
1.8 + * This program is free software: you can redistribute it and/or modify
1.9 + * it under the terms of the GNU General Public License as published by
1.10 + * the Free Software Foundation, version 2 of the License.
1.11 + *
1.12 + * This program is distributed in the hope that it will be useful,
1.13 + * but WITHOUT ANY WARRANTY; without even the implied warranty of
1.14 + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
1.15 + * GNU General Public License for more details.
1.16 + *
1.17 + * You should have received a copy of the GNU General Public License
1.18 + * along with this program. Look for COPYING file in the top folder.
1.19 + * If not, see http://opensource.org/licenses/GPL-2.0.
1.20 + */
1.21 +package org.apidesign.bck2brwsr.launcher.fximpl;
1.22 +
1.23 +import com.sun.javafx.scene.web.Debugger;
1.24 +import java.io.File;
1.25 +import java.io.IOException;
1.26 +import java.io.InputStream;
1.27 +import java.io.InterruptedIOException;
1.28 +import java.io.OutputStream;
1.29 +import java.io.UnsupportedEncodingException;
1.30 +import java.lang.reflect.Method;
1.31 +import java.util.concurrent.ArrayBlockingQueue;
1.32 +import java.util.concurrent.Executors;
1.33 +import java.util.concurrent.TimeUnit;
1.34 +import java.util.concurrent.atomic.AtomicReference;
1.35 +import java.util.logging.Level;
1.36 +import java.util.logging.Logger;
1.37 +import javafx.application.Platform;
1.38 +import javafx.util.Callback;
1.39 +
1.40 +/** Simulates WebKit protocol over WebSockets.
1.41 + *
1.42 + * @author Jaroslav Tulach
1.43 + */
1.44 +abstract class WebDebug extends OutputStream
1.45 +implements Callback<String, Void>, Runnable {
1.46 + private static final Logger LOG = Logger.getLogger(WebDebug.class.getName());
1.47 +
1.48 + private final Debugger debug;
1.49 + private final StringBuilder cmd = new StringBuilder();
1.50 + private final ToDbgInputStream toDbg;
1.51 + private final String ud;
1.52 +
1.53 + WebDebug(Debugger debug, String ud) throws Exception {
1.54 + this.debug = debug;
1.55 + this.ud = ud;
1.56 + toDbg = new ToDbgInputStream();
1.57 + debug.setEnabled(true);
1.58 + debug.setMessageCallback(this);
1.59 + }
1.60 +
1.61 + static WebDebug create(Debugger debug, String ud) throws Exception {
1.62 + WebDebug web = new WebDebug(debug, ud) {};
1.63 +
1.64 + Executors.newFixedThreadPool(1).execute(web);
1.65 +
1.66 + return web;
1.67 + }
1.68 +
1.69 + @Override
1.70 + public void run() {
1.71 + try {
1.72 + String p = "/home/jarda/src/bck2brwsr/html~demo/twitter/src/main/resources/org/apidesign/html/demo/twitter/index.html";
1.73 + File f = new File(p);
1.74 + String[] args = {"--livehtml", f.getAbsolutePath()};
1.75 + File dir = f.getParentFile();
1.76 + cliHandler(args, toDbg, this, System.err, dir);
1.77 + } catch (Exception ex) {
1.78 + LOG.log(Level.SEVERE, null, ex);
1.79 + }
1.80 + }
1.81 +
1.82 + @Override
1.83 + public void close() {
1.84 + try {
1.85 + toDbg.close();
1.86 + } catch (IOException ex) {
1.87 + LOG.log(Level.SEVERE, null, ex);
1.88 + }
1.89 + }
1.90 +
1.91 + @Override
1.92 + public Void call(String p) {
1.93 + assert p.indexOf('\n') == -1 : "No new line: " + p;
1.94 + LOG.log(Level.INFO, "toDbgr: {0}", p);
1.95 + toDbg.pushMsg(p);
1.96 + return null;
1.97 + }
1.98 +
1.99 + @Override
1.100 + public void write(int b) throws IOException {
1.101 + if (b == '\n') {
1.102 + final String msg = cmd.toString();
1.103 + Platform.runLater(new Runnable() {
1.104 + @Override
1.105 + public void run() {
1.106 + LOG.log(Level.INFO, "toView: {0}", msg);
1.107 + debug.sendMessage(msg);
1.108 + }
1.109 + });
1.110 + cmd.setLength(0);
1.111 + } else {
1.112 + if (cmd.length() > 100000) {
1.113 + LOG.log(Level.WARNING, "Too big:\n{0}", cmd);
1.114 + }
1.115 + cmd.append((char)b);
1.116 + }
1.117 + }
1.118 +
1.119 + private void cliHandler(
1.120 + String[] args, InputStream is, OutputStream os, OutputStream err, File dir
1.121 + ) {
1.122 + try {
1.123 + Class<?> main = Class.forName("org.netbeans.MainImpl");
1.124 + Method m = main.getDeclaredMethod("execute", String[].class, InputStream.class,
1.125 + OutputStream.class, OutputStream.class, AtomicReference.class
1.126 + );
1.127 + m.setAccessible(true);
1.128 + System.setProperty("netbeans.user", ud);
1.129 + int ret = (Integer)m.invoke(null, args, is, os, err, null);
1.130 + LOG.log(Level.INFO, "Return value: {0}", ret);
1.131 + } catch (Exception ex) {
1.132 + LOG.log(Level.SEVERE, null, ex);
1.133 + } finally {
1.134 + LOG.info("Communication is over");
1.135 + }
1.136 +
1.137 + }
1.138 +
1.139 + private class ToDbgInputStream extends InputStream {
1.140 + private byte[] current;
1.141 + private int currentPos;
1.142 + private final ArrayBlockingQueue<byte[]> pending = new ArrayBlockingQueue<byte[]>(64);
1.143 +
1.144 + public ToDbgInputStream() {
1.145 + }
1.146 +
1.147 + @Override
1.148 + public int read() throws IOException {
1.149 + return read(null, 0, 1);
1.150 + }
1.151 +
1.152 + @Override
1.153 + public int read(byte[] arr, int offset, int len) throws IOException {
1.154 + if (current == null || current.length <= currentPos) {
1.155 + for (;;) {
1.156 + WebDebug.this.flush();
1.157 + try {
1.158 + current = pending.poll(100, TimeUnit.MILLISECONDS);
1.159 + if (current == null) {
1.160 + return 0;
1.161 + }
1.162 + break;
1.163 + } catch (InterruptedException ex) {
1.164 + throw (InterruptedIOException)new InterruptedIOException().initCause(ex);
1.165 + }
1.166 + }
1.167 + LOG.info("Will return: " + new String(current));
1.168 + currentPos = 0;
1.169 + }
1.170 + int cnt = 0;
1.171 + while (len-- > 0 && currentPos < current.length) {
1.172 + final byte nextByte = current[currentPos++];
1.173 + if (arr == null) {
1.174 + return nextByte;
1.175 + }
1.176 + arr[offset + cnt++] = nextByte;
1.177 + }
1.178 + LOG.log(Level.INFO, "read returns: {0}", new String(arr, offset, cnt));
1.179 + return cnt;
1.180 + }
1.181 +
1.182 + private void pushMsg(String p) {
1.183 + try {
1.184 + pending.offer((p + '\n').getBytes("UTF-8"));
1.185 + } catch (UnsupportedEncodingException ex) {
1.186 + throw new IllegalStateException(ex);
1.187 + }
1.188 + }
1.189 + }
1.190 +}