The static calculator demo needs to reference just a single application .js file from its main HTML page. The rest is loaded based on classpath attribute.
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;
21 import java.io.IOException;
22 import java.io.InputStream;
23 import java.io.StringWriter;
24 import java.net.JarURLConnection;
25 import java.net.URISyntaxException;
27 import java.util.ArrayList;
28 import java.util.Enumeration;
29 import java.util.List;
31 import java.util.logging.Level;
32 import java.util.logging.Logger;
33 import org.apidesign.bck2brwsr.aot.Bck2BrwsrJars;
34 import org.apidesign.bck2brwsr.launcher.BaseHTTPLauncher.Res;
35 import org.apidesign.vm4brwsr.Bck2Brwsr;
39 * @author Jaroslav Tulach
42 private static final Logger LOG = Logger.getLogger(CompileCP.class.getName());
43 static String compileJAR(final File jar, Set<String> testClasses)
45 StringWriter w = new StringWriter();
47 Bck2BrwsrJars.configureFrom(null, jar).generate(w);
50 } catch (IOException ex) {
52 } catch (Throwable ex) {
53 throw new IOException("Cannot compile: ", ex);
59 static String compileFromClassPath(URL u, final Res r) throws IOException {
62 f = new File(u.toURI());
63 } catch (URISyntaxException ex) {
64 throw new IOException(ex);
66 for (String s : System.getProperty("java.class.path").split(File.pathSeparator)) {
67 if (!f.getPath().startsWith(s)) {
70 File root = new File(s);
71 List<String> arr = new ArrayList<>();
72 List<String> classes = new ArrayList<>();
73 listDir(root, null, classes, arr);
74 StringWriter w = new StringWriter();
76 Bck2Brwsr.newCompiler()
77 .addRootClasses(classes.toArray(new String[0]))
78 .addResources(arr.toArray(new String[0]))
80 //.obfuscation(ObfuscationLevel.FULL)
81 .resources(new EmulationResources() {
83 public InputStream get(String resource) throws IOException {
85 final URL url = r.get(resource, 0);
86 return url == null ? null : url.openStream();
88 return super.get(resource);
94 } catch (ClassFormatError ex) {
95 throw new IOException(ex);
104 private static void listDir(File f, String pref, List<String> classes, List<String> resources) throws IOException {
105 File[] arr = f.listFiles();
107 if (f.getName().endsWith(".class")) {
108 classes.add(pref + f.getName().substring(0, f.getName().length() - 6));
110 resources.add(pref + f.getName());
113 for (File ch : arr) {
115 listDir(ch, pref == null ? "" : pref + f.getName() + "/", classes, resources);
120 static void compileVM(StringBuilder sb, final Res r) throws IOException {
123 URL u = r.get(InterruptedException.class.getName().replace('.', '/') + ".class", 0);
124 JarURLConnection juc = (JarURLConnection)u.openConnection();
125 rt = Bck2BrwsrJars.configureFrom(null, new File(juc.getJarFileURL().toURI()));
126 } catch (URISyntaxException ex) {
127 throw new IOException(ex);
131 URL u = r.get(Bck2Brwsr.class.getName().replace('.', '/') + ".class", 0);
132 JarURLConnection juc = (JarURLConnection)u.openConnection();
133 all = Bck2BrwsrJars.configureFrom(rt, new File(juc.getJarFileURL().toURI()));
134 } catch (URISyntaxException ex) {
135 throw new IOException(ex);
139 //.obfuscation(ObfuscationLevel.FULL)
140 .resources(new Bck2Brwsr.Resources() {
142 public InputStream get(String resource) throws IOException {
143 final URL url = r.get(resource, 0);
144 return url == null ? null : url.openStream();
149 static class EmulationResources implements Bck2Brwsr.Resources {
152 public InputStream get(String name) throws IOException {
153 Enumeration<URL> en = Bck2BrwsrJars.class.getClassLoader().getResources(name);
155 while (en.hasMoreElements()) {
156 u = en.nextElement();
159 LOG.log(Level.WARNING, "Cannot find {0}", name);
162 if (u.toExternalForm().contains("/rt.jar!")) {
163 LOG.log(Level.WARNING, "{0}No bootdelegation for ", name);
166 return u.openStream();