jaroslav@323
|
1 |
/**
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jaroslav@323
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* Back 2 Browser Bytecode Translator
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jaroslav@323
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* Copyright (C) 2012 Jaroslav Tulach <jaroslav.tulach@apidesign.org>
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jaroslav@323
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*
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jaroslav@323
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* This program is free software: you can redistribute it and/or modify
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jaroslav@323
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* it under the terms of the GNU General Public License as published by
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jaroslav@323
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* the Free Software Foundation, version 2 of the License.
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jaroslav@323
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*
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jaroslav@323
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* This program is distributed in the hope that it will be useful,
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jaroslav@323
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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jaroslav@323
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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jaroslav@323
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* GNU General Public License for more details.
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jaroslav@323
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*
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jaroslav@323
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* You should have received a copy of the GNU General Public License
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jaroslav@323
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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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jaroslav@323
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*/
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package org.apidesign.bck2brwsr.launcher;
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jaroslav@323
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import java.io.Closeable;
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jaroslav@365
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import java.io.File;
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jaroslav@331
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import java.io.IOException;
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jaroslav@323
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import java.io.InputStream;
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jaroslav@356
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import java.io.InterruptedIOException;
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jaroslav@323
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import java.io.OutputStream;
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jaroslav@323
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import java.io.Writer;
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jaroslav@323
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import java.net.URI;
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jaroslav@348
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import java.net.URISyntaxException;
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jaroslav@323
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import java.net.URL;
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jaroslav@348
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import java.util.ArrayList;
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jaroslav@361
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import java.util.Arrays;
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jaroslav@323
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import java.util.Enumeration;
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jaroslav@348
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import java.util.LinkedHashSet;
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jaroslav@348
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import java.util.List;
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jaroslav@348
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import java.util.Set;
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import java.util.concurrent.BlockingQueue;
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jaroslav@342
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import java.util.concurrent.CountDownLatch;
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import java.util.concurrent.LinkedBlockingQueue;
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jaroslav@349
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import java.util.concurrent.TimeUnit;
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import java.util.logging.Level;
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import java.util.logging.Logger;
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jaroslav@667
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import org.apidesign.bck2brwsr.launcher.InvocationContext.Resource;
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jaroslav@323
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import org.apidesign.vm4brwsr.Bck2Brwsr;
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jaroslav@323
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import org.glassfish.grizzly.PortRange;
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import org.glassfish.grizzly.http.server.HttpHandler;
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import org.glassfish.grizzly.http.server.HttpServer;
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import org.glassfish.grizzly.http.server.NetworkListener;
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import org.glassfish.grizzly.http.server.Request;
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import org.glassfish.grizzly.http.server.Response;
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import org.glassfish.grizzly.http.server.ServerConfiguration;
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/**
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* Lightweight server to launch Bck2Brwsr applications and tests.
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jaroslav@357
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* Supports execution in native browser as well as Java's internal
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* execution engine.
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jaroslav@323
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*/
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final class Bck2BrwsrLauncher extends Launcher implements Closeable {
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jaroslav@362
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private static final Logger LOG = Logger.getLogger(Bck2BrwsrLauncher.class.getName());
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jaroslav@622
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private static final InvocationContext END = new InvocationContext(null, null, null);
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jaroslav@622
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private final Set<ClassLoader> loaders = new LinkedHashSet<>();
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jaroslav@622
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private final BlockingQueue<InvocationContext> methods = new LinkedBlockingQueue<>();
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jaroslav@349
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private long timeOut;
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jaroslav@357
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private final Res resources = new Res();
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jaroslav@382
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private final String cmd;
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jaroslav@371
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private Object[] brwsr;
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jaroslav@371
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private HttpServer server;
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jaroslav@371
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private CountDownLatch wait;
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jaroslav@613
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jaroslav@382
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public Bck2BrwsrLauncher(String cmd) {
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jaroslav@382
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this.cmd = cmd;
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jaroslav@382
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}
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jaroslav@348
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jaroslav@382
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@Override
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jaroslav@622
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InvocationContext runMethod(InvocationContext c) throws IOException {
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jaroslav@622
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loaders.add(c.clazz.getClassLoader());
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jaroslav@348
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methods.add(c);
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jaroslav@371
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try {
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jaroslav@371
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c.await(timeOut);
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jaroslav@371
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} catch (InterruptedException ex) {
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jaroslav@371
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throw new IOException(ex);
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jaroslav@371
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}
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jaroslav@348
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return c;
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jaroslav@348
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}
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jaroslav@348
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jaroslav@349
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public void setTimeout(long ms) {
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jaroslav@349
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timeOut = ms;
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jaroslav@349
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}
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jaroslav@348
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jaroslav@357
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public void addClassLoader(ClassLoader url) {
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jaroslav@357
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this.loaders.add(url);
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jaroslav@357
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}
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jaroslav@348
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jaroslav@382
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public void showURL(String startpage) throws IOException {
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jaroslav@371
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if (!startpage.startsWith("/")) {
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jaroslav@371
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startpage = "/" + startpage;
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jaroslav@371
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}
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jaroslav@613
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HttpServer s = initServer(".", true);
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jaroslav@371
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s.getServerConfiguration().addHttpHandler(new Page(resources, null), "/");
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jaroslav@382
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try {
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jaroslav@382
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launchServerAndBrwsr(s, startpage);
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jaroslav@382
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} catch (URISyntaxException | InterruptedException ex) {
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jaroslav@382
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throw new IOException(ex);
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jaroslav@382
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}
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jaroslav@371
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}
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jaroslav@348
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jaroslav@613
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void showDirectory(File dir, String startpage) throws IOException {
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jaroslav@613
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if (!startpage.startsWith("/")) {
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jaroslav@613
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startpage = "/" + startpage;
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jaroslav@613
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}
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jaroslav@613
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HttpServer s = initServer(dir.getPath(), false);
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jaroslav@613
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try {
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jaroslav@613
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launchServerAndBrwsr(s, startpage);
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jaroslav@613
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} catch (URISyntaxException | InterruptedException ex) {
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jaroslav@613
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throw new IOException(ex);
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jaroslav@613
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}
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jaroslav@613
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}
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jaroslav@613
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jaroslav@382
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118 |
@Override
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jaroslav@371
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119 |
public void initialize() throws IOException {
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jaroslav@356
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try {
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jaroslav@371
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executeInBrowser();
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jaroslav@356
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} catch (InterruptedException ex) {
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jaroslav@356
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final InterruptedIOException iio = new InterruptedIOException(ex.getMessage());
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jaroslav@356
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124 |
iio.initCause(ex);
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jaroslav@356
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125 |
throw iio;
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jaroslav@356
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} catch (Exception ex) {
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jaroslav@356
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127 |
if (ex instanceof IOException) {
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jaroslav@356
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128 |
throw (IOException)ex;
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jaroslav@356
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129 |
}
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jaroslav@356
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130 |
if (ex instanceof RuntimeException) {
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jaroslav@356
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131 |
throw (RuntimeException)ex;
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jaroslav@356
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132 |
}
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jaroslav@356
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133 |
throw new IOException(ex);
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jaroslav@356
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134 |
}
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jaroslav@356
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135 |
}
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jaroslav@356
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136 |
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jaroslav@613
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137 |
private HttpServer initServer(String path, boolean addClasses) throws IOException {
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jaroslav@613
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HttpServer s = HttpServer.createSimpleServer(path, new PortRange(8080, 65535));
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jaroslav@357
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jaroslav@371
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final ServerConfiguration conf = s.getServerConfiguration();
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jaroslav@613
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141 |
if (addClasses) {
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jaroslav@613
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conf.addHttpHandler(new VM(resources), "/vm.js");
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jaroslav@613
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143 |
conf.addHttpHandler(new Classes(resources), "/classes/");
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jaroslav@613
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}
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jaroslav@371
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return s;
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jaroslav@357
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}
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jaroslav@357
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147 |
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jaroslav@357
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148 |
private void executeInBrowser() throws InterruptedException, URISyntaxException, IOException {
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jaroslav@371
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149 |
wait = new CountDownLatch(1);
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jaroslav@613
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150 |
server = initServer(".", true);
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jaroslav@623
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151 |
final ServerConfiguration conf = server.getServerConfiguration();
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jaroslav@623
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152 |
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jaroslav@623
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153 |
class DynamicResourceHandler extends HttpHandler {
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jaroslav@623
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154 |
private final InvocationContext ic;
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jaroslav@623
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155 |
public DynamicResourceHandler(InvocationContext ic) {
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jaroslav@667
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156 |
if (ic == null || ic.resources.isEmpty()) {
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jaroslav@623
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157 |
throw new NullPointerException();
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jaroslav@623
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158 |
}
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jaroslav@623
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159 |
this.ic = ic;
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jaroslav@667
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for (Resource r : ic.resources) {
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jaroslav@667
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conf.addHttpHandler(this, r.httpPath);
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jaroslav@667
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162 |
}
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jaroslav@623
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163 |
}
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jaroslav@623
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164 |
|
jaroslav@623
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165 |
public void close() {
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jaroslav@623
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166 |
conf.removeHttpHandler(this);
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jaroslav@623
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167 |
}
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jaroslav@623
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168 |
|
jaroslav@623
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169 |
@Override
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jaroslav@623
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170 |
public void service(Request request, Response response) throws Exception {
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jaroslav@667
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171 |
for (Resource r : ic.resources) {
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jaroslav@667
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172 |
if (r.httpPath.equals(request.getRequestURI())) {
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jaroslav@667
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173 |
LOG.log(Level.INFO, "Serving HttpResource for {0}", request.getRequestURI());
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jaroslav@667
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response.setContentType(r.httpType);
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jaroslav@667
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175 |
copyStream(r.httpContent, response.getOutputStream(), null);
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jaroslav@667
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176 |
}
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jaroslav@623
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177 |
}
|
jaroslav@623
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178 |
}
|
jaroslav@623
|
179 |
}
|
jaroslav@623
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180 |
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jaroslav@357
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181 |
conf.addHttpHandler(new Page(resources,
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jaroslav@357
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182 |
"org/apidesign/bck2brwsr/launcher/harness.xhtml"
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jaroslav@357
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183 |
), "/execute");
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jaroslav@623
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184 |
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jaroslav@332
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185 |
conf.addHttpHandler(new HttpHandler() {
|
jaroslav@332
|
186 |
int cnt;
|
jaroslav@622
|
187 |
List<InvocationContext> cases = new ArrayList<>();
|
jaroslav@623
|
188 |
DynamicResourceHandler prev;
|
jaroslav@332
|
189 |
@Override
|
jaroslav@332
|
190 |
public void service(Request request, Response response) throws Exception {
|
jaroslav@342
|
191 |
String id = request.getParameter("request");
|
jaroslav@342
|
192 |
String value = request.getParameter("result");
|
jaroslav@364
|
193 |
|
jaroslav@342
|
194 |
if (id != null && value != null) {
|
jaroslav@364
|
195 |
LOG.log(Level.INFO, "Received result for case {0} = {1}", new Object[]{id, value});
|
jaroslav@381
|
196 |
value = decodeURL(value);
|
jaroslav@371
|
197 |
cases.get(Integer.parseInt(id)).result(value, null);
|
jaroslav@342
|
198 |
}
|
jaroslav@342
|
199 |
|
jaroslav@623
|
200 |
if (prev != null) {
|
jaroslav@623
|
201 |
prev.close();
|
jaroslav@623
|
202 |
prev = null;
|
jaroslav@623
|
203 |
}
|
jaroslav@623
|
204 |
|
jaroslav@622
|
205 |
InvocationContext mi = methods.take();
|
jaroslav@372
|
206 |
if (mi == END) {
|
jaroslav@342
|
207 |
response.getWriter().write("");
|
jaroslav@342
|
208 |
wait.countDown();
|
jaroslav@342
|
209 |
cnt = 0;
|
jaroslav@372
|
210 |
LOG.log(Level.INFO, "End of data reached. Exiting.");
|
jaroslav@342
|
211 |
return;
|
jaroslav@342
|
212 |
}
|
jaroslav@342
|
213 |
|
jaroslav@667
|
214 |
if (!mi.resources.isEmpty()) {
|
jaroslav@623
|
215 |
prev = new DynamicResourceHandler(mi);
|
jaroslav@623
|
216 |
}
|
jaroslav@623
|
217 |
|
jaroslav@371
|
218 |
cases.add(mi);
|
jaroslav@622
|
219 |
final String cn = mi.clazz.getName();
|
jaroslav@371
|
220 |
final String mn = mi.methodName;
|
jaroslav@364
|
221 |
LOG.log(Level.INFO, "Request for {0} case. Sending {1}.{2}", new Object[]{cnt, cn, mn});
|
jaroslav@332
|
222 |
response.getWriter().write("{"
|
jaroslav@364
|
223 |
+ "className: '" + cn + "', "
|
jaroslav@364
|
224 |
+ "methodName: '" + mn + "', "
|
jaroslav@332
|
225 |
+ "request: " + cnt
|
jaroslav@526
|
226 |
);
|
jaroslav@526
|
227 |
if (mi.html != null) {
|
jaroslav@526
|
228 |
response.getWriter().write(", html: '");
|
jaroslav@526
|
229 |
response.getWriter().write(encodeJSON(mi.html));
|
jaroslav@526
|
230 |
response.getWriter().write("'");
|
jaroslav@526
|
231 |
}
|
jaroslav@526
|
232 |
response.getWriter().write("}");
|
jaroslav@342
|
233 |
cnt++;
|
jaroslav@332
|
234 |
}
|
jaroslav@342
|
235 |
}, "/data");
|
jaroslav@357
|
236 |
|
jaroslav@371
|
237 |
this.brwsr = launchServerAndBrwsr(server, "/execute");
|
jaroslav@371
|
238 |
}
|
jaroslav@371
|
239 |
|
jaroslav@526
|
240 |
private static String encodeJSON(String in) {
|
jaroslav@526
|
241 |
StringBuilder sb = new StringBuilder();
|
jaroslav@526
|
242 |
for (int i = 0; i < in.length(); i++) {
|
jaroslav@526
|
243 |
char ch = in.charAt(i);
|
jaroslav@526
|
244 |
if (ch < 32 || ch == '\'' || ch == '"') {
|
jaroslav@526
|
245 |
sb.append("\\u");
|
jaroslav@526
|
246 |
String hs = "0000" + Integer.toHexString(ch);
|
jaroslav@526
|
247 |
hs = hs.substring(hs.length() - 4);
|
jaroslav@526
|
248 |
sb.append(hs);
|
jaroslav@526
|
249 |
} else {
|
jaroslav@526
|
250 |
sb.append(ch);
|
jaroslav@526
|
251 |
}
|
jaroslav@526
|
252 |
}
|
jaroslav@526
|
253 |
return sb.toString();
|
jaroslav@526
|
254 |
}
|
jaroslav@526
|
255 |
|
jaroslav@382
|
256 |
@Override
|
jaroslav@382
|
257 |
public void shutdown() throws IOException {
|
jaroslav@372
|
258 |
methods.offer(END);
|
jaroslav@363
|
259 |
for (;;) {
|
jaroslav@371
|
260 |
int prev = methods.size();
|
jaroslav@382
|
261 |
try {
|
jaroslav@389
|
262 |
if (wait != null && wait.await(timeOut, TimeUnit.MILLISECONDS)) {
|
jaroslav@382
|
263 |
break;
|
jaroslav@382
|
264 |
}
|
jaroslav@382
|
265 |
} catch (InterruptedException ex) {
|
jaroslav@382
|
266 |
throw new IOException(ex);
|
jaroslav@363
|
267 |
}
|
jaroslav@371
|
268 |
if (prev == methods.size()) {
|
jaroslav@363
|
269 |
LOG.log(
|
jaroslav@363
|
270 |
Level.WARNING,
|
jaroslav@363
|
271 |
"Timeout and no test has been executed meanwhile (at {0}). Giving up.",
|
jaroslav@371
|
272 |
methods.size()
|
jaroslav@363
|
273 |
);
|
jaroslav@363
|
274 |
break;
|
jaroslav@363
|
275 |
}
|
jaroslav@363
|
276 |
LOG.log(Level.INFO,
|
jaroslav@363
|
277 |
"Timeout, but tests got from {0} to {1}. Trying again.",
|
jaroslav@371
|
278 |
new Object[]{prev, methods.size()}
|
jaroslav@363
|
279 |
);
|
jaroslav@363
|
280 |
}
|
jaroslav@365
|
281 |
stopServerAndBrwsr(server, brwsr);
|
jaroslav@323
|
282 |
}
|
jaroslav@331
|
283 |
|
jaroslav@342
|
284 |
static void copyStream(InputStream is, OutputStream os, String baseURL, String... params) throws IOException {
|
jaroslav@331
|
285 |
for (;;) {
|
jaroslav@331
|
286 |
int ch = is.read();
|
jaroslav@331
|
287 |
if (ch == -1) {
|
jaroslav@331
|
288 |
break;
|
jaroslav@331
|
289 |
}
|
jaroslav@523
|
290 |
if (ch == '$' && params.length > 0) {
|
jaroslav@331
|
291 |
int cnt = is.read() - '0';
|
jaroslav@342
|
292 |
if (cnt == 'U' - '0') {
|
jaroslav@342
|
293 |
os.write(baseURL.getBytes());
|
jaroslav@342
|
294 |
}
|
jaroslav@523
|
295 |
if (cnt >= 0 && cnt < params.length) {
|
jaroslav@331
|
296 |
os.write(params[cnt].getBytes());
|
jaroslav@331
|
297 |
}
|
jaroslav@331
|
298 |
} else {
|
jaroslav@331
|
299 |
os.write(ch);
|
jaroslav@331
|
300 |
}
|
jaroslav@331
|
301 |
}
|
jaroslav@331
|
302 |
}
|
jaroslav@356
|
303 |
|
jaroslav@365
|
304 |
private Object[] launchServerAndBrwsr(HttpServer server, final String page) throws IOException, URISyntaxException, InterruptedException {
|
jaroslav@357
|
305 |
server.start();
|
jaroslav@357
|
306 |
NetworkListener listener = server.getListeners().iterator().next();
|
jaroslav@357
|
307 |
int port = listener.getPort();
|
jaroslav@357
|
308 |
|
jaroslav@357
|
309 |
URI uri = new URI("http://localhost:" + port + page);
|
jaroslav@362
|
310 |
LOG.log(Level.INFO, "Showing {0}", uri);
|
jaroslav@433
|
311 |
if (cmd == null) {
|
jaroslav@433
|
312 |
try {
|
jaroslav@536
|
313 |
LOG.log(Level.INFO, "Trying Desktop.browse on {0} {2} by {1}", new Object[] {
|
jaroslav@536
|
314 |
System.getProperty("java.vm.name"),
|
jaroslav@536
|
315 |
System.getProperty("java.vm.vendor"),
|
jaroslav@536
|
316 |
System.getProperty("java.vm.version"),
|
jaroslav@536
|
317 |
});
|
jaroslav@433
|
318 |
java.awt.Desktop.getDesktop().browse(uri);
|
jaroslav@433
|
319 |
LOG.log(Level.INFO, "Desktop.browse successfully finished");
|
jaroslav@433
|
320 |
return null;
|
jaroslav@433
|
321 |
} catch (UnsupportedOperationException ex) {
|
jaroslav@518
|
322 |
LOG.log(Level.INFO, "Desktop.browse not supported: {0}", ex.getMessage());
|
jaroslav@518
|
323 |
LOG.log(Level.FINE, null, ex);
|
jaroslav@433
|
324 |
}
|
jaroslav@369
|
325 |
}
|
jaroslav@369
|
326 |
{
|
jaroslav@382
|
327 |
String cmdName = cmd == null ? "xdg-open" : cmd;
|
jaroslav@382
|
328 |
String[] cmdArr = {
|
jaroslav@382
|
329 |
cmdName, uri.toString()
|
jaroslav@357
|
330 |
};
|
jaroslav@382
|
331 |
LOG.log(Level.INFO, "Launching {0}", Arrays.toString(cmdArr));
|
jaroslav@382
|
332 |
final Process process = Runtime.getRuntime().exec(cmdArr);
|
jaroslav@369
|
333 |
return new Object[] { process, null };
|
jaroslav@357
|
334 |
}
|
jaroslav@361
|
335 |
}
|
jaroslav@361
|
336 |
|
jaroslav@381
|
337 |
private static String decodeURL(String s) {
|
jaroslav@381
|
338 |
for (;;) {
|
jaroslav@381
|
339 |
int pos = s.indexOf('%');
|
jaroslav@381
|
340 |
if (pos == -1) {
|
jaroslav@381
|
341 |
return s;
|
jaroslav@381
|
342 |
}
|
jaroslav@381
|
343 |
int i = Integer.parseInt(s.substring(pos + 1, pos + 2), 16);
|
jaroslav@381
|
344 |
s = s.substring(0, pos) + (char)i + s.substring(pos + 2);
|
jaroslav@381
|
345 |
}
|
jaroslav@381
|
346 |
}
|
jaroslav@381
|
347 |
|
jaroslav@382
|
348 |
private void stopServerAndBrwsr(HttpServer server, Object[] brwsr) throws IOException {
|
jaroslav@389
|
349 |
if (brwsr == null) {
|
jaroslav@389
|
350 |
return;
|
jaroslav@389
|
351 |
}
|
jaroslav@365
|
352 |
Process process = (Process)brwsr[0];
|
jaroslav@365
|
353 |
|
jaroslav@365
|
354 |
server.stop();
|
jaroslav@365
|
355 |
InputStream stdout = process.getInputStream();
|
jaroslav@365
|
356 |
InputStream stderr = process.getErrorStream();
|
jaroslav@365
|
357 |
drain("StdOut", stdout);
|
jaroslav@365
|
358 |
drain("StdErr", stderr);
|
jaroslav@365
|
359 |
process.destroy();
|
jaroslav@382
|
360 |
int res;
|
jaroslav@382
|
361 |
try {
|
jaroslav@382
|
362 |
res = process.waitFor();
|
jaroslav@382
|
363 |
} catch (InterruptedException ex) {
|
jaroslav@382
|
364 |
throw new IOException(ex);
|
jaroslav@382
|
365 |
}
|
jaroslav@365
|
366 |
LOG.log(Level.INFO, "Exit code: {0}", res);
|
jaroslav@365
|
367 |
|
jaroslav@365
|
368 |
deleteTree((File)brwsr[1]);
|
jaroslav@365
|
369 |
}
|
jaroslav@365
|
370 |
|
jaroslav@361
|
371 |
private static void drain(String name, InputStream is) throws IOException {
|
jaroslav@361
|
372 |
int av = is.available();
|
jaroslav@361
|
373 |
if (av > 0) {
|
jaroslav@362
|
374 |
StringBuilder sb = new StringBuilder();
|
jaroslav@362
|
375 |
sb.append("v== ").append(name).append(" ==v\n");
|
jaroslav@361
|
376 |
while (av-- > 0) {
|
jaroslav@362
|
377 |
sb.append((char)is.read());
|
jaroslav@361
|
378 |
}
|
jaroslav@362
|
379 |
sb.append("\n^== ").append(name).append(" ==^");
|
jaroslav@362
|
380 |
LOG.log(Level.INFO, sb.toString());
|
jaroslav@361
|
381 |
}
|
jaroslav@357
|
382 |
}
|
jaroslav@357
|
383 |
|
jaroslav@365
|
384 |
private void deleteTree(File file) {
|
jaroslav@369
|
385 |
if (file == null) {
|
jaroslav@369
|
386 |
return;
|
jaroslav@369
|
387 |
}
|
jaroslav@365
|
388 |
File[] arr = file.listFiles();
|
jaroslav@365
|
389 |
if (arr != null) {
|
jaroslav@365
|
390 |
for (File s : arr) {
|
jaroslav@365
|
391 |
deleteTree(s);
|
jaroslav@365
|
392 |
}
|
jaroslav@365
|
393 |
}
|
jaroslav@365
|
394 |
file.delete();
|
jaroslav@365
|
395 |
}
|
jaroslav@365
|
396 |
|
jaroslav@382
|
397 |
@Override
|
jaroslav@382
|
398 |
public void close() throws IOException {
|
jaroslav@382
|
399 |
shutdown();
|
jaroslav@382
|
400 |
}
|
jaroslav@382
|
401 |
|
jaroslav@348
|
402 |
private class Res implements Bck2Brwsr.Resources {
|
jaroslav@348
|
403 |
@Override
|
jaroslav@348
|
404 |
public InputStream get(String resource) throws IOException {
|
jaroslav@348
|
405 |
for (ClassLoader l : loaders) {
|
jaroslav@348
|
406 |
URL u = null;
|
jaroslav@348
|
407 |
Enumeration<URL> en = l.getResources(resource);
|
jaroslav@348
|
408 |
while (en.hasMoreElements()) {
|
jaroslav@348
|
409 |
u = en.nextElement();
|
jaroslav@348
|
410 |
}
|
jaroslav@348
|
411 |
if (u != null) {
|
jaroslav@348
|
412 |
return u.openStream();
|
jaroslav@348
|
413 |
}
|
jaroslav@348
|
414 |
}
|
jaroslav@348
|
415 |
throw new IOException("Can't find " + resource);
|
jaroslav@348
|
416 |
}
|
jaroslav@348
|
417 |
}
|
jaroslav@330
|
418 |
|
jaroslav@332
|
419 |
private static class Page extends HttpHandler {
|
jaroslav@332
|
420 |
private final String resource;
|
jaroslav@331
|
421 |
private final String[] args;
|
jaroslav@357
|
422 |
private final Res res;
|
jaroslav@331
|
423 |
|
jaroslav@357
|
424 |
public Page(Res res, String resource, String... args) {
|
jaroslav@357
|
425 |
this.res = res;
|
jaroslav@332
|
426 |
this.resource = resource;
|
jaroslav@526
|
427 |
this.args = args.length == 0 ? new String[] { "$0" } : args;
|
jaroslav@330
|
428 |
}
|
jaroslav@330
|
429 |
|
jaroslav@330
|
430 |
@Override
|
jaroslav@330
|
431 |
public void service(Request request, Response response) throws Exception {
|
jaroslav@357
|
432 |
String r = resource;
|
jaroslav@357
|
433 |
if (r == null) {
|
jaroslav@357
|
434 |
r = request.getHttpHandlerPath();
|
jaroslav@357
|
435 |
if (r.startsWith("/")) {
|
jaroslav@357
|
436 |
r = r.substring(1);
|
jaroslav@357
|
437 |
}
|
jaroslav@357
|
438 |
}
|
jaroslav@523
|
439 |
String[] replace = {};
|
jaroslav@433
|
440 |
if (r.endsWith(".html")) {
|
jaroslav@357
|
441 |
response.setContentType("text/html");
|
jaroslav@433
|
442 |
LOG.info("Content type text/html");
|
jaroslav@523
|
443 |
replace = args;
|
jaroslav@433
|
444 |
}
|
jaroslav@433
|
445 |
if (r.endsWith(".xhtml")) {
|
jaroslav@433
|
446 |
response.setContentType("application/xhtml+xml");
|
jaroslav@433
|
447 |
LOG.info("Content type application/xhtml+xml");
|
jaroslav@523
|
448 |
replace = args;
|
jaroslav@357
|
449 |
}
|
jaroslav@330
|
450 |
OutputStream os = response.getOutputStream();
|
jaroslav@357
|
451 |
try (InputStream is = res.get(r)) {
|
jaroslav@523
|
452 |
copyStream(is, os, request.getRequestURL().toString(), replace);
|
jaroslav@357
|
453 |
} catch (IOException ex) {
|
jaroslav@357
|
454 |
response.setDetailMessage(ex.getLocalizedMessage());
|
jaroslav@357
|
455 |
response.setError();
|
jaroslav@357
|
456 |
response.setStatus(404);
|
jaroslav@357
|
457 |
}
|
jaroslav@330
|
458 |
}
|
jaroslav@330
|
459 |
}
|
jaroslav@330
|
460 |
|
jaroslav@330
|
461 |
private static class VM extends HttpHandler {
|
jaroslav@580
|
462 |
private final String bck2brwsr;
|
jaroslav@330
|
463 |
|
jaroslav@580
|
464 |
public VM(Res loader) throws IOException {
|
jaroslav@580
|
465 |
StringBuilder sb = new StringBuilder();
|
jaroslav@580
|
466 |
Bck2Brwsr.generate(sb, loader);
|
jaroslav@583
|
467 |
sb.append(
|
jaroslav@583
|
468 |
"function ldCls(res) {\n"
|
jaroslav@583
|
469 |
+ " var request = new XMLHttpRequest();\n"
|
jaroslav@583
|
470 |
+ " request.open('GET', '/classes/' + res, false);\n"
|
jaroslav@583
|
471 |
+ " request.send();\n"
|
jaroslav@583
|
472 |
+ " var arr = eval('(' + request.responseText + ')');\n"
|
jaroslav@583
|
473 |
+ " return arr;\n"
|
jaroslav@583
|
474 |
+ "}\n"
|
jaroslav@583
|
475 |
+ "var vm = new bck2brwsr(ldCls);\n"
|
jaroslav@583
|
476 |
);
|
jaroslav@580
|
477 |
this.bck2brwsr = sb.toString();
|
jaroslav@330
|
478 |
}
|
jaroslav@330
|
479 |
|
jaroslav@330
|
480 |
@Override
|
jaroslav@330
|
481 |
public void service(Request request, Response response) throws Exception {
|
jaroslav@330
|
482 |
response.setCharacterEncoding("UTF-8");
|
jaroslav@330
|
483 |
response.setContentType("text/javascript");
|
jaroslav@580
|
484 |
response.getWriter().write(bck2brwsr);
|
jaroslav@330
|
485 |
}
|
jaroslav@330
|
486 |
}
|
jaroslav@330
|
487 |
|
jaroslav@330
|
488 |
private static class Classes extends HttpHandler {
|
jaroslav@348
|
489 |
private final Res loader;
|
jaroslav@330
|
490 |
|
jaroslav@348
|
491 |
public Classes(Res loader) {
|
jaroslav@330
|
492 |
this.loader = loader;
|
jaroslav@330
|
493 |
}
|
jaroslav@330
|
494 |
|
jaroslav@330
|
495 |
@Override
|
jaroslav@330
|
496 |
public void service(Request request, Response response) throws Exception {
|
jaroslav@330
|
497 |
String res = request.getHttpHandlerPath();
|
jaroslav@330
|
498 |
if (res.startsWith("/")) {
|
jaroslav@330
|
499 |
res = res.substring(1);
|
jaroslav@330
|
500 |
}
|
jaroslav@348
|
501 |
try (InputStream is = loader.get(res)) {
|
jaroslav@348
|
502 |
response.setContentType("text/javascript");
|
jaroslav@348
|
503 |
Writer w = response.getWriter();
|
jaroslav@348
|
504 |
w.append("[");
|
jaroslav@348
|
505 |
for (int i = 0;; i++) {
|
jaroslav@348
|
506 |
int b = is.read();
|
jaroslav@348
|
507 |
if (b == -1) {
|
jaroslav@348
|
508 |
break;
|
jaroslav@348
|
509 |
}
|
jaroslav@348
|
510 |
if (i > 0) {
|
jaroslav@348
|
511 |
w.append(", ");
|
jaroslav@348
|
512 |
}
|
jaroslav@348
|
513 |
if (i % 20 == 0) {
|
jaroslav@348
|
514 |
w.write("\n");
|
jaroslav@348
|
515 |
}
|
jaroslav@348
|
516 |
if (b > 127) {
|
jaroslav@348
|
517 |
b = b - 256;
|
jaroslav@348
|
518 |
}
|
jaroslav@348
|
519 |
w.append(Integer.toString(b));
|
jaroslav@348
|
520 |
}
|
jaroslav@348
|
521 |
w.append("\n]");
|
jaroslav@348
|
522 |
} catch (IOException ex) {
|
jaroslav@348
|
523 |
response.setError();
|
jaroslav@348
|
524 |
response.setDetailMessage(ex.getMessage());
|
jaroslav@330
|
525 |
}
|
jaroslav@330
|
526 |
}
|
jaroslav@330
|
527 |
}
|
jaroslav@323
|
528 |
}
|