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.
19 package org.apidesign.bck2brwsr.mojo;
22 import java.io.FileOutputStream;
23 import java.io.IOException;
24 import java.io.OutputStreamWriter;
25 import java.io.Writer;
26 import java.net.MalformedURLException;
28 import java.net.URLClassLoader;
29 import java.util.ArrayList;
30 import java.util.Collection;
31 import java.util.List;
32 import java.util.jar.Attributes;
33 import java.util.jar.JarEntry;
34 import java.util.jar.JarOutputStream;
35 import java.util.jar.Manifest;
36 import org.apache.maven.artifact.Artifact;
37 import org.apache.maven.plugin.AbstractMojo;
38 import org.apache.maven.plugin.MojoExecutionException;
39 import org.apache.maven.plugin.MojoFailureException;
40 import org.apache.maven.plugins.annotations.Component;
41 import org.apache.maven.plugins.annotations.LifecyclePhase;
42 import org.apache.maven.plugins.annotations.Mojo;
43 import org.apache.maven.plugins.annotations.Parameter;
44 import org.apache.maven.plugins.annotations.ResolutionScope;
45 import org.apache.maven.project.MavenProject;
46 import org.apache.maven.project.MavenProjectHelper;
47 import org.apidesign.bck2brwsr.aot.Bck2BrwsrJars;
48 import org.apidesign.vm4brwsr.Bck2Brwsr;
49 import org.apidesign.vm4brwsr.ObfuscationLevel;
53 * @author Jaroslav Tulach
56 @Mojo(name = "library",
57 requiresDependencyResolution = ResolutionScope.COMPILE_PLUS_RUNTIME,
58 defaultPhase = LifecyclePhase.PACKAGE
60 public class AOTLibrary extends AbstractMojo {
61 @Parameter(defaultValue = "${project}")
62 private MavenProject prj;
65 private MavenProjectHelper projectHelper;
66 @Parameter(defaultValue = "${project.build.directory}/${project.build.finalName}.jar")
68 @Parameter(defaultValue = "${project.build.finalName}-min.js")
69 private String minified;
70 @Parameter(defaultValue = "${project.build.finalName}-debug.js")
73 @Parameter(defaultValue = "${project.build.directory}/${project.build.finalName}-bck2brwsr.jar")
77 private String[] exports;
80 private String[] aotDeps;
82 @Parameter(defaultValue = "true")
83 private boolean ignoreBootClassPath;
86 public void execute() throws MojoExecutionException, MojoFailureException {
87 URLClassLoader loader;
89 loader = buildClassLoader(mainJar, prj.getArtifacts());
90 } catch (MalformedURLException ex) {
91 throw new MojoFailureException("Can't initialize classloader");
95 Manifest m = new Manifest();
96 if (!"false".equals(minified)) {
97 Attributes attr = new Attributes();
98 attr.putValue("Bck2BrwsrArtifactId", prj.getArtifactId());
99 attr.putValue("Bck2BrwsrGroupId", prj.getGroupId());
100 attr.putValue("Bck2BrwsrVersion", prj.getVersion());
101 attr.putValue("Bck2BrwsrMinified", "true");
102 m.getEntries().put(minified, attr);
104 if (!"false".equals(debug)) {
105 Attributes attr = new Attributes();
106 attr.putValue("Bck2BrwsrArtifactId", prj.getArtifactId());
107 attr.putValue("Bck2BrwsrGroupId", prj.getGroupId());
108 attr.putValue("Bck2BrwsrVersion", prj.getVersion());
109 attr.putValue("Bck2BrwsrDebug", "true");
110 m.getEntries().put(debug, attr);
113 if (aotDeps != null) {
114 for (Artifact a : prj.getArtifacts()) {
115 if (!matches(aotDeps, a)) {
120 Attributes attr = new Attributes();
121 attr.putValue("Bck2BrwsrArtifactId", a.getArtifactId());
122 attr.putValue("Bck2BrwsrGroupId", a.getGroupId());
123 attr.putValue("Bck2BrwsrVersion", a.getVersion());
124 attr.putValue("Bck2BrwsrDebug", "true");
125 m.getEntries().put(artifactName(a, true), attr);
128 Attributes attr = new Attributes();
129 attr.putValue("Bck2BrwsrArtifactId", a.getArtifactId());
130 attr.putValue("Bck2BrwsrGroupId", a.getGroupId());
131 attr.putValue("Bck2BrwsrVersion", a.getVersion());
132 attr.putValue("Bck2BrwsrMinified", "true");
133 m.getEntries().put(artifactName(a, false), attr);
138 FileOutputStream fos = new FileOutputStream(this.aotJar);
139 JarOutputStream os = new JarOutputStream(fos, m);
141 if (!"false".equals(debug)) {
142 os.putNextEntry(new JarEntry(debug));
143 Writer w = new OutputStreamWriter(os, "UTF-8");
144 configureMain(loader).
145 obfuscation(ObfuscationLevel.NONE).
150 if (!"false".equals(minified)) {
151 os.putNextEntry(new JarEntry(minified));
153 Writer w = new OutputStreamWriter(os, "UTF-8");
154 configureMain(loader).
155 obfuscation(ObfuscationLevel.FULL).
161 if (aotDeps != null) {
162 for (Artifact a : prj.getArtifacts()) {
163 if (!matches(aotDeps, a)) {
166 getLog().info("Generating bck2brwsr for " + a.getFile());
167 Bck2Brwsr c = Bck2BrwsrJars.configureFrom(null, a.getFile(), loader, ignoreBootClassPath);
168 if (exports != null) {
169 for (String e : exports) {
170 c = c.addExported(e.replace('.', '/'));
174 os.putNextEntry(new JarEntry(artifactName(a, true)));
175 Writer w = new OutputStreamWriter(os, "UTF-8");
177 obfuscation(ObfuscationLevel.NONE).
183 os.putNextEntry(new JarEntry(artifactName(a, false)));
185 Writer w = new OutputStreamWriter(os, "UTF-8");
187 obfuscation(ObfuscationLevel.FULL).
196 projectHelper.attachArtifact(prj, "jar", "bck2brwsr", aotJar);
197 } catch (IOException ex) {
198 throw new MojoFailureException("Cannot generate script for " + mainJar, ex);
202 private Bck2Brwsr configureMain(URLClassLoader loader) throws IOException {
203 Bck2Brwsr c = Bck2BrwsrJars.configureFrom(null, mainJar, loader, ignoreBootClassPath);
204 if (exports != null) {
205 for (String e : exports) {
206 c = c.addExported(e.replace('.', '/'));
212 private static String artifactName(Artifact a, boolean debug) {
213 return a.getGroupId() + "-" + a.getArtifactId() + (debug ? "-debug.js" : "-min.js");
216 private static URLClassLoader buildClassLoader(File root, Collection<Artifact> deps) throws MalformedURLException {
217 List<URL> arr = new ArrayList<URL>();
219 arr.add(root.toURI().toURL());
221 for (Artifact a : deps) {
222 if (a.getFile() != null) {
223 arr.add(a.getFile().toURI().toURL());
226 return new URLClassLoader(arr.toArray(new URL[0]), Java2JavaScript.class.getClassLoader());
229 private static boolean matches(String[] aotDeps, Artifact a) {
230 for (String d : aotDeps) {
231 String[] parts = d.split(":");
232 for (int i = 0; i < parts.length; i++) {
233 if ("*".equals(parts[i])) {
238 if (parts[0] != null && !parts[0].equals(a.getGroupId())) {
241 if (parts[1] != null && !parts[1].equals(a.getArtifactId())) {
244 if (parts.length > 2 && parts[2] != null && !parts[2].equals(a.getClassifier())) {