1.1 --- a/dew/src/main/java/org/apidesign/bck2brwsr/dew/DewLauncher.java Tue Feb 11 10:48:24 2014 +0100
1.2 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000
1.3 @@ -1,203 +0,0 @@
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.dew;
1.22 -
1.23 -import java.io.IOException;
1.24 -import java.io.InputStream;
1.25 -import java.io.Writer;
1.26 -import java.net.URI;
1.27 -import java.net.URISyntaxException;
1.28 -import java.net.URL;
1.29 -import java.util.Arrays;
1.30 -import java.util.Enumeration;
1.31 -import java.util.LinkedHashSet;
1.32 -import java.util.Set;
1.33 -import java.util.logging.Level;
1.34 -import java.util.logging.Logger;
1.35 -import org.apidesign.vm4brwsr.Bck2Brwsr;
1.36 -import org.glassfish.grizzly.PortRange;
1.37 -import org.glassfish.grizzly.http.server.HttpHandler;
1.38 -import org.glassfish.grizzly.http.server.HttpServer;
1.39 -import org.glassfish.grizzly.http.server.NetworkListener;
1.40 -import org.glassfish.grizzly.http.server.Request;
1.41 -import org.glassfish.grizzly.http.server.Response;
1.42 -import org.glassfish.grizzly.http.server.ServerConfiguration;
1.43 -
1.44 -/**
1.45 - * Lightweight server to launch dew - the Development Environment for Web.
1.46 - */
1.47 -final class DewLauncher {
1.48 - private static final Logger LOG = Logger.getLogger(DewLauncher.class.getName());
1.49 - private Set<ClassLoader> loaders = new LinkedHashSet<>();
1.50 - private Set<Bck2Brwsr.Resources> xRes = new LinkedHashSet<>();
1.51 - private final Res resources = new Res();
1.52 - private final String cmd;
1.53 -
1.54 - public DewLauncher(String cmd) {
1.55 - this.cmd = cmd;
1.56 - }
1.57 -
1.58 - public void addClassLoader(ClassLoader url) {
1.59 - this.loaders.add(url);
1.60 - }
1.61 -
1.62 - final HttpServer initServer(Bck2Brwsr.Resources... extraResources) throws IOException {
1.63 - xRes.addAll(Arrays.asList(extraResources));
1.64 -
1.65 - HttpServer s = HttpServer.createSimpleServer(".", new PortRange(8080, 65535));
1.66 -
1.67 - final ServerConfiguration conf = s.getServerConfiguration();
1.68 - conf.addHttpHandler(new VM(resources), "/bck2brwsr.js");
1.69 - conf.addHttpHandler(new VMInit(), "/vm.js");
1.70 - conf.addHttpHandler(new Classes(resources), "/classes/");
1.71 - return s;
1.72 - }
1.73 -
1.74 - final Object[] launchServerAndBrwsr(HttpServer server, final String page) throws IOException, URISyntaxException, InterruptedException {
1.75 - server.start();
1.76 - NetworkListener listener = server.getListeners().iterator().next();
1.77 - int port = listener.getPort();
1.78 -
1.79 - URI uri = new URI("http://localhost:" + port + page);
1.80 - LOG.log(Level.INFO, "Showing {0}", uri);
1.81 - if (cmd == null) {
1.82 - try {
1.83 - LOG.log(Level.INFO, "Trying Desktop.browse on {0} {2} by {1}", new Object[] {
1.84 - System.getProperty("java.vm.name"),
1.85 - System.getProperty("java.vm.vendor"),
1.86 - System.getProperty("java.vm.version"),
1.87 - });
1.88 - java.awt.Desktop.getDesktop().browse(uri);
1.89 - LOG.log(Level.INFO, "Desktop.browse successfully finished");
1.90 - return null;
1.91 - } catch (UnsupportedOperationException ex) {
1.92 - LOG.log(Level.INFO, "Desktop.browse not supported: {0}", ex.getMessage());
1.93 - LOG.log(Level.FINE, null, ex);
1.94 - }
1.95 - }
1.96 - {
1.97 - String cmdName = cmd == null ? "xdg-open" : cmd;
1.98 - String[] cmdArr = {
1.99 - cmdName, uri.toString()
1.100 - };
1.101 - LOG.log(Level.INFO, "Launching {0}", Arrays.toString(cmdArr));
1.102 - final Process process = Runtime.getRuntime().exec(cmdArr);
1.103 - return new Object[] { process, null };
1.104 - }
1.105 - }
1.106 -
1.107 - private class Res implements Bck2Brwsr.Resources {
1.108 - @Override
1.109 - public InputStream get(String resource) throws IOException {
1.110 - for (ClassLoader l : loaders) {
1.111 - URL u = null;
1.112 - Enumeration<URL> en = l.getResources(resource);
1.113 - while (en.hasMoreElements()) {
1.114 - u = en.nextElement();
1.115 - }
1.116 - if (u != null) {
1.117 - return u.openStream();
1.118 - }
1.119 - }
1.120 - for (Bck2Brwsr.Resources r : xRes) {
1.121 - InputStream is = r.get(resource);
1.122 - if (is != null) {
1.123 - return is;
1.124 - }
1.125 - }
1.126 - throw new IOException("Can't find " + resource);
1.127 - }
1.128 - }
1.129 -
1.130 - private static class VM extends HttpHandler {
1.131 - private final String bck2brwsr;
1.132 -
1.133 - public VM(Res loader) throws IOException {
1.134 - StringBuilder sb = new StringBuilder();
1.135 - Bck2Brwsr.generate(sb, loader);
1.136 - this.bck2brwsr = sb.toString();
1.137 - }
1.138 -
1.139 - @Override
1.140 - public void service(Request request, Response response) throws Exception {
1.141 - response.setCharacterEncoding("UTF-8");
1.142 - response.setContentType("text/javascript");
1.143 - response.getWriter().write(bck2brwsr);
1.144 - }
1.145 - }
1.146 - private static class VMInit extends HttpHandler {
1.147 - public VMInit() {
1.148 - }
1.149 -
1.150 - @Override
1.151 - public void service(Request request, Response response) throws Exception {
1.152 - response.setCharacterEncoding("UTF-8");
1.153 - response.setContentType("text/javascript");
1.154 - response.getWriter().append(
1.155 - "function ldCls(res) {\n"
1.156 - + " var request = new XMLHttpRequest();\n"
1.157 - + " request.open('GET', '/classes/' + res, false);\n"
1.158 - + " request.send();\n"
1.159 - + " var arr = eval('(' + request.responseText + ')');\n"
1.160 - + " return arr;\n"
1.161 - + "}\n"
1.162 - + "var vm = new bck2brwsr(ldCls);\n");
1.163 - }
1.164 - }
1.165 -
1.166 - private static class Classes extends HttpHandler {
1.167 - private final Res loader;
1.168 -
1.169 - public Classes(Res loader) {
1.170 - this.loader = loader;
1.171 - }
1.172 -
1.173 - @Override
1.174 - public void service(Request request, Response response) throws Exception {
1.175 - String res = request.getHttpHandlerPath();
1.176 - if (res.startsWith("/")) {
1.177 - res = res.substring(1);
1.178 - }
1.179 - try (InputStream is = loader.get(res)) {
1.180 - response.setContentType("text/javascript");
1.181 - Writer w = response.getWriter();
1.182 - w.append("[");
1.183 - for (int i = 0;; i++) {
1.184 - int b = is.read();
1.185 - if (b == -1) {
1.186 - break;
1.187 - }
1.188 - if (i > 0) {
1.189 - w.append(", ");
1.190 - }
1.191 - if (i % 20 == 0) {
1.192 - w.write("\n");
1.193 - }
1.194 - if (b > 127) {
1.195 - b = b - 256;
1.196 - }
1.197 - w.append(Integer.toString(b));
1.198 - }
1.199 - w.append("\n]");
1.200 - } catch (IOException ex) {
1.201 - response.setError();
1.202 - response.setDetailMessage(ex.getMessage());
1.203 - }
1.204 - }
1.205 - }
1.206 -}