jaroslav@111: /**
jaroslav@111:  * Back 2 Browser Bytecode Translator
jaroslav@111:  * Copyright (C) 2012 Jaroslav Tulach <jaroslav.tulach@apidesign.org>
jaroslav@111:  *
jaroslav@111:  * This program is free software: you can redistribute it and/or modify
jaroslav@111:  * it under the terms of the GNU General Public License as published by
jaroslav@111:  * the Free Software Foundation, version 2 of the License.
jaroslav@111:  *
jaroslav@111:  * This program is distributed in the hope that it will be useful,
jaroslav@111:  * but WITHOUT ANY WARRANTY; without even the implied warranty of
jaroslav@111:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
jaroslav@111:  * GNU General Public License for more details.
jaroslav@111:  *
jaroslav@111:  * You should have received a copy of the GNU General Public License
jaroslav@111:  * along with this program. Look for COPYING file in the top folder.
jaroslav@111:  * If not, see http://opensource.org/licenses/GPL-2.0.
jaroslav@111:  */
jaroslav@109: package org.apidesign.bck2brwsr.mojo;
jaroslav@109: 
jaroslav@382: import java.io.Closeable;
jaroslav@109: import org.apache.maven.plugin.AbstractMojo;
jaroslav@109: 
jaroslav@109: import java.io.File;
jaroslav@305: import java.io.IOException;
jaroslav@109: import java.net.MalformedURLException;
jaroslav@109: import java.net.URL;
jaroslav@109: import java.net.URLClassLoader;
jaroslav@109: import java.util.ArrayList;
jaroslav@109: import java.util.Collection;
jaroslav@109: import java.util.List;
jaroslav@109: import org.apache.maven.artifact.Artifact;
jaroslav@109: import org.apache.maven.plugin.MojoExecutionException;
jaroslav@109: import org.apache.maven.plugins.annotations.LifecyclePhase;
jaroslav@109: import org.apache.maven.plugins.annotations.Mojo;
jaroslav@109: import org.apache.maven.plugins.annotations.Parameter;
jaroslav@109: import org.apache.maven.project.MavenProject;
jaroslav@382: import org.apidesign.bck2brwsr.launcher.Launcher;
jaroslav@109: 
jaroslav@357: /** Executes given HTML page in a browser. */
jaroslav@726: @Mojo(name="brwsr", defaultPhase=LifecyclePhase.NONE)
jaroslav@357: public class BrswrMojo extends AbstractMojo {
jaroslav@357:     public BrswrMojo() {
jaroslav@109:     }
jaroslav@357:     /** Resource to show as initial page */
jaroslav@109:     @Parameter
jaroslav@357:     private String startpage;
jaroslav@421: 
jaroslav@109:     @Parameter(defaultValue="${project}")
jaroslav@109:     private MavenProject prj;
jaroslav@109:     
jaroslav@357:     /** Root of the class files */
jaroslav@357:     @Parameter(defaultValue="${project.build.directory}/classes")
jaroslav@357:     private File classes;
jaroslav@613:     
jaroslav@613:     /** Root of all pages, and files, etc. */
jaroslav@613:     @Parameter
jaroslav@613:     private File directory;
jaroslav@109: 
jaroslav@109:     @Override
jaroslav@109:     public void execute() throws MojoExecutionException {
jaroslav@357:         if (startpage == null) {
jaroslav@357:             throw new MojoExecutionException("You have to provide a start page");
jaroslav@134:         }
jaroslav@613:         
jaroslav@109:         try {
jaroslav@382:             Closeable httpServer;
jaroslav@613:             if (directory != null) {
jaroslav@613:                 httpServer = Launcher.showDir(directory, startpage);
jaroslav@613:             } else {
jaroslav@613:                 URLClassLoader url = buildClassLoader(classes, prj.getDependencyArtifacts());
jaroslav@613:                 try {
jaroslav@613:                     httpServer = Launcher.showURL(url, startpage());
jaroslav@613:                 } catch (Exception ex) {
jaroslav@613:                     throw new MojoExecutionException("Can't open " + startpage(), ex);
jaroslav@613:                 }
jaroslav@372:             }
jaroslav@357:             System.in.read();
jaroslav@382:             httpServer.close();
jaroslav@305:         } catch (IOException ex) {
jaroslav@357:             throw new MojoExecutionException("Can't show the browser", ex);
jaroslav@109:         }
jaroslav@109:     }
jaroslav@421:     
jaroslav@421:     private String startpage() {
jaroslav@422:         return startpage;
jaroslav@109:     }
jaroslav@109: 
jaroslav@109:     private static URLClassLoader buildClassLoader(File root, Collection<Artifact> deps) throws MalformedURLException {
jaroslav@109:         List<URL> arr = new ArrayList<URL>();
jaroslav@109:         arr.add(root.toURI().toURL());
jaroslav@109:         for (Artifact a : deps) {
jaroslav@515:             final File f = a.getFile();
jaroslav@515:             if (f != null) {
jaroslav@515:                 arr.add(f.toURI().toURL());
jaroslav@515:             }
jaroslav@109:         }
jaroslav@357:         return new URLClassLoader(arr.toArray(new URL[0]), BrswrMojo.class.getClassLoader());
jaroslav@109:     }
jaroslav@109: }