Java tutorial
/* * MicroJIAC - A Lightweight Agent Framework * This file is part of MicroJIAC MIDlet-Maven-Plugin. * * Copyright (c) 2007-2012 DAI-Labor, Technische Universitt Berlin * * This library includes software developed at DAI-Labor, Technische * Universitt Berlin (http://www.dai-labor.de) * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/> */ /* * $Id$ */ package de.jiac.micro.util; import java.io.File; import java.io.IOException; import java.util.Iterator; import java.util.List; import java.util.Map; import java.util.Set; import org.apache.maven.archiver.ManifestConfiguration; import org.apache.maven.archiver.ManifestSection; import org.apache.maven.archiver.MavenArchiveConfiguration; import org.apache.maven.artifact.DependencyResolutionRequiredException; import org.apache.maven.project.MavenProject; import org.codehaus.plexus.archiver.ArchiverException; import org.codehaus.plexus.archiver.jar.JarArchiver; import org.codehaus.plexus.archiver.jar.Manifest; import org.codehaus.plexus.archiver.jar.ManifestException; /** * * @author Marcel Patzlaff * @version $Revision$ */ public class ReducedArchiver { private JarArchiver archiver; private File archiveFile; /** * Return a pre-configured manifest * * @todo Add user attributes list and user groups list */ public Manifest getManifest(MavenProject project, ManifestConfiguration config) throws ManifestException, DependencyResolutionRequiredException { // Added basic entries Manifest m = new Manifest(); Manifest.Attribute buildAttr = new Manifest.Attribute("Built-By", System.getProperty("user.name")); m.addConfiguredAttribute(buildAttr); Manifest.Attribute createdAttr = new Manifest.Attribute("Created-By", "Apache Maven"); m.addConfiguredAttribute(createdAttr); if (config.getPackageName() != null) { Manifest.Attribute packageAttr = new Manifest.Attribute("Package", config.getPackageName()); m.addConfiguredAttribute(packageAttr); } Manifest.Attribute buildJdkAttr = new Manifest.Attribute("Build-Jdk", System.getProperty("java.version")); m.addConfiguredAttribute(buildJdkAttr); if (config.isAddClasspath()) { StringBuffer classpath = new StringBuffer(); List artifacts = project.getRuntimeClasspathElements(); String classpathPrefix = config.getClasspathPrefix(); for (Iterator iter = artifacts.iterator(); iter.hasNext();) { File f = new File((String) iter.next()); if (f.isFile()) { if (classpath.length() > 0) { classpath.append(" "); } classpath.append(classpathPrefix); classpath.append(f.getName()); } } if (classpath.length() > 0) { Manifest.Attribute classpathAttr = new Manifest.Attribute("Class-Path", classpath.toString()); m.addConfiguredAttribute(classpathAttr); } } String mainClass = config.getMainClass(); if (mainClass != null && !"".equals(mainClass)) { Manifest.Attribute mainClassAttr = new Manifest.Attribute("Main-Class", mainClass); m.addConfiguredAttribute(mainClassAttr); } return m; } public JarArchiver getArchiver() { return archiver; } public void setArchiver(JarArchiver archiver) { this.archiver = archiver; } public void setOutputFile(File outputFile) { archiveFile = outputFile; } public void createArchive(MavenProject project, MavenArchiveConfiguration archiveConfiguration) throws ArchiverException, ManifestException, IOException, DependencyResolutionRequiredException { // ---------------------------------------------------------------------- // We want to add the metadata for the project to the JAR in two forms: // // The first form is that of the POM itself. Applications that wish to // access the POM for an artifact using maven tools they can. // // The second form is that of a properties file containing the basic // top-level POM elements so that applications that wish to access // POM information without the use of maven tools can do so. // ---------------------------------------------------------------------- // we have to clone the project instance so we can write out the pom with the deployment version, // without impacting the main project instance... MavenProject workingProject = new MavenProject(project); if (workingProject.getArtifact().isSnapshot()) { workingProject.setVersion(workingProject.getArtifact().getVersion()); } // ---------------------------------------------------------------------- // Create the manifest // ---------------------------------------------------------------------- File manifestFile = archiveConfiguration.getManifestFile(); if (manifestFile != null) { archiver.setManifest(manifestFile); } Manifest manifest = getManifest(workingProject, archiveConfiguration.getManifest()); // any custom manifest entries in the archive configuration manifest? if (!archiveConfiguration.isManifestEntriesEmpty()) { Map entries = archiveConfiguration.getManifestEntries(); Set entrySet = entries.entrySet(); for (Iterator iter = entrySet.iterator(); iter.hasNext();) { Map.Entry entry = (Map.Entry) iter.next(); String key = (String) entry.getKey(); String value = (String) entry.getValue(); Manifest.Attribute attr = new Manifest.Attribute(key, value); manifest.addConfiguredAttribute(attr); } } // any custom manifest sections in the archive configuration manifest? if (!archiveConfiguration.isManifestSectionsEmpty()) { List sections = archiveConfiguration.getManifestSections(); for (Iterator iter = sections.iterator(); iter.hasNext();) { ManifestSection section = (ManifestSection) iter.next(); Manifest.Section theSection = new Manifest.Section(); theSection.setName(section.getName()); if (!section.isManifestEntriesEmpty()) { Map entries = section.getManifestEntries(); Set keys = entries.keySet(); for (Iterator it = keys.iterator(); it.hasNext();) { String key = (String) it.next(); String value = (String) entries.get(key); Manifest.Attribute attr = new Manifest.Attribute(key, value); theSection.addConfiguredAttribute(attr); } } manifest.addConfiguredSection(theSection); } } // Configure the jar archiver.addConfiguredManifest(manifest); archiver.setCompress(archiveConfiguration.isCompress()); archiver.setIndex(archiveConfiguration.isIndex()); archiver.setDestFile(archiveFile); // create archive archiver.createArchive(); } }