rt/mojo/src/main/java/org/apidesign/bck2brwsr/mojo/AOTLibrary.java
changeset 1737 82fd3830167d
parent 1710 6db177c4f72c
child 1739 e9b9d9ff0621
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/rt/mojo/src/main/java/org/apidesign/bck2brwsr/mojo/AOTLibrary.java	Sat Dec 06 06:28:17 2014 +0100
     1.3 @@ -0,0 +1,155 @@
     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 +
    1.22 +package org.apidesign.bck2brwsr.mojo;
    1.23 +
    1.24 +import java.io.File;
    1.25 +import java.io.FileOutputStream;
    1.26 +import java.io.IOException;
    1.27 +import java.io.OutputStreamWriter;
    1.28 +import java.io.Writer;
    1.29 +import java.net.MalformedURLException;
    1.30 +import java.net.URL;
    1.31 +import java.net.URLClassLoader;
    1.32 +import java.util.ArrayList;
    1.33 +import java.util.Collection;
    1.34 +import java.util.List;
    1.35 +import java.util.jar.Attributes;
    1.36 +import java.util.jar.JarEntry;
    1.37 +import java.util.jar.JarOutputStream;
    1.38 +import java.util.jar.Manifest;
    1.39 +import org.apache.maven.artifact.Artifact;
    1.40 +import org.apache.maven.plugin.AbstractMojo;
    1.41 +import org.apache.maven.plugin.MojoExecutionException;
    1.42 +import org.apache.maven.plugin.MojoFailureException;
    1.43 +import org.apache.maven.plugins.annotations.Component;
    1.44 +import org.apache.maven.plugins.annotations.LifecyclePhase;
    1.45 +import org.apache.maven.plugins.annotations.Mojo;
    1.46 +import org.apache.maven.plugins.annotations.Parameter;
    1.47 +import org.apache.maven.plugins.annotations.ResolutionScope;
    1.48 +import org.apache.maven.project.MavenProject;
    1.49 +import org.apache.maven.project.MavenProjectHelper;
    1.50 +import org.apidesign.bck2brwsr.aot.Bck2BrwsrJars;
    1.51 +import org.apidesign.vm4brwsr.Bck2Brwsr;
    1.52 +import org.apidesign.vm4brwsr.ObfuscationLevel;
    1.53 +
    1.54 +/**
    1.55 + *
    1.56 + * @author Jaroslav Tulach
    1.57 + * @since 0.12
    1.58 + */
    1.59 +@Mojo(name = "library",
    1.60 +    requiresDependencyResolution = ResolutionScope.COMPILE_PLUS_RUNTIME,
    1.61 +    defaultPhase = LifecyclePhase.PACKAGE
    1.62 +)
    1.63 +public class AOTLibrary extends AbstractMojo {
    1.64 +    @Parameter(defaultValue = "${project}")
    1.65 +    private MavenProject prj;
    1.66 +
    1.67 +    @Component
    1.68 +    private MavenProjectHelper projectHelper;
    1.69 +    @Parameter(defaultValue = "${project.build.directory}/${project.build.finalName}.jar")
    1.70 +    private File mainJar;    
    1.71 +    @Parameter(defaultValue = "${project.build.finalName}-min.js")
    1.72 +    private String minified;
    1.73 +    @Parameter(defaultValue = "${project.build.finalName}-debug.js")
    1.74 +    private String debug;
    1.75 +    
    1.76 +    @Parameter(defaultValue = "${project.build.directory}/${project.build.finalName}-bck2brwsr.jar")
    1.77 +    private File aotJar;
    1.78 +    
    1.79 +    @Parameter
    1.80 +    private String[] exports;
    1.81 +    
    1.82 +    @Override
    1.83 +    public void execute() throws MojoExecutionException, MojoFailureException {
    1.84 +        URLClassLoader loader;
    1.85 +        try {
    1.86 +            loader = buildClassLoader(mainJar, prj.getArtifacts());
    1.87 +        } catch (MalformedURLException ex) {
    1.88 +            throw new MojoFailureException("Can't initialize classloader");
    1.89 +        }
    1.90 +
    1.91 +        try {
    1.92 +            Manifest m = new Manifest();
    1.93 +            {
    1.94 +                Attributes attr = new Attributes();
    1.95 +                attr.putValue("Bck2BrwsrArtifactId", prj.getArtifactId());
    1.96 +                attr.putValue("Bck2BrwsrGroupId", prj.getGroupId());
    1.97 +                attr.putValue("Bck2BrwsrVersion", prj.getVersion());
    1.98 +                attr.putValue("Bck2BrwsrMinified", "true");
    1.99 +                m.getEntries().put(minified, attr);
   1.100 +            }
   1.101 +            {
   1.102 +                Attributes attr = new Attributes();
   1.103 +                attr.putValue("Bck2BrwsrArtifactId", prj.getArtifactId());
   1.104 +                attr.putValue("Bck2BrwsrGroupId", prj.getGroupId());
   1.105 +                attr.putValue("Bck2BrwsrVersion", prj.getVersion());
   1.106 +                attr.putValue("Bck2BrwsrDebug", "true");
   1.107 +                m.getEntries().put(debug, attr);
   1.108 +            }
   1.109 +            
   1.110 +            FileOutputStream fos = new FileOutputStream(this.aotJar);
   1.111 +            JarOutputStream os = new JarOutputStream(fos, m);
   1.112 +
   1.113 +            Bck2Brwsr c = Bck2BrwsrJars.configureFrom(null, mainJar, loader);
   1.114 +            if (exports != null) {
   1.115 +                for (String e : exports) {
   1.116 +                    c = c.addExported(e.replace('.', '/'));
   1.117 +                }
   1.118 +            }
   1.119 +            {
   1.120 +                os.putNextEntry(new JarEntry(debug));
   1.121 +                Writer w = new OutputStreamWriter(os);
   1.122 +                c.
   1.123 +                    obfuscation(ObfuscationLevel.NONE).
   1.124 +                    generate(w);
   1.125 +                w.flush();
   1.126 +                os.closeEntry();
   1.127 +            }
   1.128 +            {
   1.129 +                os.putNextEntry(new JarEntry(minified));
   1.130 +            
   1.131 +                Writer w = new OutputStreamWriter(os);
   1.132 +                c.
   1.133 +                    obfuscation(ObfuscationLevel.FULL).
   1.134 +                    generate(w);
   1.135 +                w.flush();
   1.136 +                os.closeEntry();
   1.137 +            }
   1.138 +            os.close();
   1.139 +            
   1.140 +            projectHelper.attachArtifact(prj, "jar", "bck2brwsr", aotJar);
   1.141 +        } catch (IOException ex) {
   1.142 +            throw new MojoFailureException("Cannot generate script for " + mainJar, ex);
   1.143 +        }
   1.144 +    }
   1.145 +
   1.146 +    private static URLClassLoader buildClassLoader(File root, Collection<Artifact> deps) throws MalformedURLException {
   1.147 +        List<URL> arr = new ArrayList<URL>();
   1.148 +        if (root != null) {
   1.149 +            arr.add(root.toURI().toURL());
   1.150 +        }
   1.151 +        for (Artifact a : deps) {
   1.152 +            if (a.getFile() != null) {
   1.153 +                arr.add(a.getFile().toURI().toURL());
   1.154 +            }
   1.155 +        }
   1.156 +        return new URLClassLoader(arr.toArray(new URL[0]), Java2JavaScript.class.getClassLoader());
   1.157 +    }
   1.158 +}