List of usage examples for java.util.jar JarFile getManifest
public Manifest getManifest() throws IOException
From source file:org.eu.gasp.core.internal.DefaultPluginRegistry.java
private void registerPlugin(File file) throws Exception { if (isFileRegistered(file)) { return;//w w w .ja va 2 s.c o m } final JarFile jarFile = new JarFile(file); final Manifest manifest = jarFile.getManifest(); String pluginId = null; String pluginClassName = null; Version version = null; final List<DefaultPluginDependency> pluginDependencies = new ArrayList<DefaultPluginDependency>(); final List<String> services = new ArrayList<String>(); final Attributes attrs = manifest.getMainAttributes(); for (final Map.Entry entry : attrs.entrySet()) { final String key = entry.getKey().toString(); final String value = StringUtils.trimToNull(entry.getValue().toString()); if (value == null) { continue; } if (JAR_PLUGIN.equals(key)) { pluginId = value; } else if (JAR_PLUGIN_CLASS.equals(key)) { pluginClassName = value; } else if (JAR_PLUGIN_VERSION.equals(key)) { version = new Version(value); } else if (JAR_PLUGIN_PROVIDES.equals(key)) { for (final String service : value.split(",")) { services.add(service); } } else if (JAR_PLUGIN_REQUIRES.equals(key)) { for (final String versionnedRequiredPluginId : value.split(",")) { pluginDependencies.add(new DefaultPluginDependency(versionnedRequiredPluginId, null)); } } } if (StringUtils.isBlank(pluginId)) { throw new IllegalStateException("Missing " + JAR_PLUGIN + " attribute in manifest"); } if (version == null) { throw new IllegalStateException("Missing " + JAR_PLUGIN_VERSION + " attribute in manifest"); } final PluginDescriptor pluginDescriptor = new DefaultPluginDescriptor(pluginId, version, pluginClassName, pluginDependencies, services); if (!plugins.containsKey(pluginDescriptor)) { log.info("Registering plugin: " + pluginDescriptor); plugins.put(pluginDescriptor, new PluginData(file)); } }
From source file:org.openanzo.client.cli.AnzoConsole.java
AnzoConsole() {
try {/*from ww w. j a v a 2 s . co m*/
dcw = CommandLineInterface.DEFAULT_CONSOLE;
if (dcw.cr != null) {
dcw.cr.setBellEnabled(true);
dcw.cr.setPrompt("Anzo>");
dcw.cr.setHistoryEnabled(true);
}
dcw.writeOutput(
"Anzo Command Line Client. \nCopyright (c) 2009 Cambridge Semantics Inc and others. All rights reserved.");
String version = null;
if (CommandLineInterface.class.getProtectionDomain() != null
&& CommandLineInterface.class.getProtectionDomain().getCodeSource() != null
&& CommandLineInterface.class.getProtectionDomain().getCodeSource().getLocation() != null) {
ProtectionDomain domain = CommandLineInterface.class.getProtectionDomain();
CodeSource source = domain.getCodeSource();
URL location = source.getLocation();
if (location != null) {
File file = new File(location.toURI());
if (file.exists() && file.getName().toLowerCase().endsWith(".jar")) {
JarFile jar = new JarFile(file);
version = jar.getManifest().getMainAttributes().getValue("Bundle-Version");
if (version == null) {
version = jar.getManifest().getMainAttributes().getValue("Implementation-Build");
}
}
}
}
if (version == null) {
version = CommandLineInterface.class.getPackage().getImplementationVersion();
}
dcw.writeOutput("Version: " + ((version == null) ? "Unknown" : version));
dcw.writeOutput("Type help for usage");
HashMap<String, Completer> completers = new HashMap<String, Completer>();
completers.put("exit", new NullCompleter());
completers.put("quit", new NullCompleter());
completers.put("connect", new NullCompleter());
completers.put("disconnect", new NullCompleter());
completers.put("trace", new StringsCompleter("on", "off"));
Options global = CommandLineInterface.getGlobalOptions();
for (SubCommand sc : CommandLineInterface.subcommands) {
String command = sc.getName();
ArrayList<String> subcommands = new ArrayList<String>();
for (Object o : sc.getOptions().getOptions()) {
Option options = (Option) o;
subcommands.add("-" + options.getOpt());
subcommands.add("--" + options.getLongOpt());
}
for (Object o : global.getOptions()) {
Option options = (Option) o;
subcommands.add("-" + options.getOpt());
subcommands.add("--" + options.getLongOpt());
}
completers.put(command, new StringsCompleter(subcommands));
}
if (dcw.cr != null) {
dcw.cr.addCompleter(new CLICompleter(completers));
}
boolean showStackTrace = false;
while (true) {
String command = dcw.readLine("Anzo>");
if (command != null) {
if (EXIT.toLowerCase().equals(command.trim().toLowerCase())
|| QUIT.toLowerCase().equals(command.trim().toLowerCase())) {
if (context != null && context.client != null && context.client.isConnected()) {
context.client.disconnect();
context.client.close();
dcw.writeOutput("Disonnected from:" + context.host);
}
System.exit(0);
}
String arguments[] = stringToArgs(command);
try {
if (arguments.length > 0) {
String subcommand = arguments[0];
if ("connect".equals(subcommand.toLowerCase())) {
Options options = new Options();
CommandLineInterface.appendGlobalOptions(options);
CommandLineParser parser = new PosixParser();
String[] subcommandArgs = (String[]) ArrayUtils.subarray(arguments, 1,
arguments.length);
CommandLine cl = parser.parse(options, subcommandArgs);
if (context == null) {
context = CommandLineInterface.createContext(dcw, cl, options, arguments);
}
if (!context.client.isConnected()) {
context.client.connect();
dcw.writeOutput("Connected to:" + context.host);
}
} else if ("disconnect".equals(subcommand.toLowerCase())) {
if (context != null && context.client != null && context.client.isConnected()) {
context.client.disconnect();
context.client.close();
dcw.writeOutput("Disonnected from:" + context.host);
} else {
dcw.writeOutput("Not connected to:" + context.host);
}
context = null;
} else if ("trace".equals(subcommand.toLowerCase())) {
String[] subcommandArgs = (String[]) ArrayUtils.subarray(arguments, 1,
arguments.length);
if (subcommandArgs.length == 0) {
dcw.writeOutput("Show Stack Trace:" + showStackTrace);
} else {
String flag = subcommandArgs[0];
if (flag.equals("on"))
showStackTrace = true;
else if (flag.equals("off"))
showStackTrace = false;
else
showStackTrace = Boolean.parseBoolean(flag);
}
if (context != null) {
context.showTrace = showStackTrace;
}
} else if ("version".equals(subcommand.toLowerCase())) {
String header = CommandLineInterface.generateVersionHeader();
dcw.writeOutput(header);
} else {
CommandLineInterface.processCommand(context, false, arguments);
}
}
} catch (AnzoException e) {
if (e.getErrorCode() == ExceptionConstants.COMBUS.JMS_CONNECT_FAILED) {
dcw.writeError("Connection failed.");
if (showStackTrace)
dcw.printException(e, showStackTrace);
} else {
dcw.printException(e, showStackTrace);
}
} catch (AnzoRuntimeException e) {
dcw.printException(e, showStackTrace);
}
}
}
} catch (Exception e) {
e.printStackTrace();
System.exit(0);
}
}
From source file:org.red5.server.plugin.PluginLauncher.java
public void afterPropertiesSet() throws Exception { ApplicationContext common = (ApplicationContext) applicationContext.getBean("red5.common"); Server server = (Server) common.getBean("red5.server"); //server should be up and running at this point so load any plug-ins now //get the plugins dir File pluginsDir = new File(System.getProperty("red5.root"), "plugins"); File[] plugins = pluginsDir.listFiles(new FilenameFilter() { public boolean accept(File dir, String name) { //lower the case String tmp = name.toLowerCase(); //accept jars and zips return tmp.endsWith(".jar") || tmp.endsWith(".zip"); }/*from ww w . j av a 2s . c o m*/ }); if (plugins != null) { IRed5Plugin red5Plugin = null; log.debug("{} plugins to launch", plugins.length); for (File plugin : plugins) { JarFile jar = null; Manifest manifest = null; try { jar = new JarFile(plugin, false); manifest = jar.getManifest(); } catch (Exception e1) { log.warn("Error loading plugin manifest: {}", plugin); } finally { jar.close(); } if (manifest == null) { continue; } Attributes attributes = manifest.getMainAttributes(); if (attributes == null) { continue; } String pluginMainClass = attributes.getValue("Red5-Plugin-Main-Class"); if (pluginMainClass == null || pluginMainClass.length() <= 0) { continue; } // attempt to load the class; since it's in the plugins directory this should work ClassLoader loader = common.getClassLoader(); Class<?> pluginClass; String pluginMainMethod = null; try { pluginClass = Class.forName(pluginMainClass, true, loader); } catch (ClassNotFoundException e) { continue; } try { //handle plug-ins without "main" methods pluginMainMethod = attributes.getValue("Red5-Plugin-Main-Method"); if (pluginMainMethod == null || pluginMainMethod.length() <= 0) { //just get an instance of the class red5Plugin = (IRed5Plugin) pluginClass.newInstance(); } else { Method method = pluginClass.getMethod(pluginMainMethod, (Class<?>[]) null); Object o = method.invoke(null, (Object[]) null); if (o != null && o instanceof IRed5Plugin) { red5Plugin = (IRed5Plugin) o; } } //register and start if (red5Plugin != null) { //set top-level context red5Plugin.setApplicationContext(applicationContext); //set server reference red5Plugin.setServer(server); //register the plug-in to make it available for lookups PluginRegistry.register(red5Plugin); //start the plugin red5Plugin.doStart(); } log.info("Loaded plugin: {}", pluginMainClass); } catch (Throwable t) { log.warn("Error loading plugin: {}; Method: {}", pluginMainClass, pluginMainMethod); log.error("", t); } } } else { log.info("Plugins directory cannot be accessed or doesnt exist"); } }
From source file:com.tasktop.c2c.server.jenkins.configuration.service.JenkinsServiceConfiguratorTest.java
@Test public void testUpdateZipfile() throws Exception { // First, set up our zipfile test. // Create a manifest with a random header so that we can ensure it's preserved by the configurator. Manifest mf = new Manifest(); Attributes.Name mfTestHeader = Attributes.Name.IMPLEMENTATION_VENDOR; String mfTestValue = "someCrazyValue"; mf.getMainAttributes().put(mfTestHeader, mfTestValue); // Why do you need to add this header? See http://tech.puredanger.com/2008/01/07/jar-manifest-api/ - if you // don't add it, your manifest will be blank. mf.getMainAttributes().put(Attributes.Name.MANIFEST_VERSION, "1.0"); assertEquals(mfTestValue, mf.getMainAttributes().getValue(mfTestHeader)); File testWar = File.createTempFile("JenkinsServiceConfiguratorTest", ".war"); configurator.setWarTemplateFile(testWar.getAbsolutePath()); try {/*from w ww. jav a 2 s . c o m*/ JarOutputStream jarOutStream = new JarOutputStream(new FileOutputStream(testWar), mf); String specialFileName = "foo/bar.xml"; String fileContents = "This is a file within our JAR file - it contains an <env-entry-value></env-entry-value> which should be filled by the configurator only if this is the 'special' file."; // Make our configurator replace this file within the JAR. configurator.setWebXmlFilename(specialFileName); // Create several random files in the zip. for (int i = 0; i < 10; i++) { JarEntry curEntry = new JarEntry("folder/file" + i); jarOutStream.putNextEntry(curEntry); IOUtils.write(fileContents, jarOutStream); } // Push in our special file now. JarEntry specialEntry = new JarEntry(specialFileName); jarOutStream.putNextEntry(specialEntry); IOUtils.write(fileContents, jarOutStream); // Close the output stream now, time to do the test. jarOutStream.close(); // Configure this configurator with appropriate folders for testing. String expectedHomeDir = "/some/silly/random/homeDir"; String webappsTarget = FileUtils.getTempDirectoryPath() + "/webapps/"; File webappsTargetDir = new File(webappsTarget); if (webappsTargetDir.exists()) { FileUtils.deleteDirectory(webappsTargetDir); } String expectedDestFile = webappsTarget + "s#test#jenkins.war"; configurator.setTargetJenkinsHomeBaseDir(expectedHomeDir); configurator.setTargetWebappsDir(webappsTarget); configurator.setJenkinsPath("/s/"); ProjectServiceConfiguration config = new ProjectServiceConfiguration(); config.setProjectIdentifier("test123"); Map<String, String> m = new HashMap<String, String>(); m.put(ProjectServiceConfiguration.PROJECT_ID, "test"); m.put(ProjectServiceConfiguration.PROFILE_BASE_URL, "https://qcode.cloudfoundry.com"); config.setProperties(m); config.setProjectIdentifier("test"); // Now, run it against our test setup configurator.configure(config); // Confirm that the zipfile was updates as expected. File configuredWar = new File(expectedDestFile); assertTrue(configuredWar.exists()); try { JarFile configuredWarJar = new JarFile(configuredWar); Manifest extractedMF = configuredWarJar.getManifest(); assertEquals(mfTestValue, extractedMF.getMainAttributes().getValue(mfTestHeader)); // Make sure all of our entries are present, and contain the data we expected. JarEntry curEntry = null; Enumeration<JarEntry> entries = configuredWarJar.entries(); while (entries.hasMoreElements()) { curEntry = entries.nextElement(); // If this is the manifest, skip it. if (curEntry.getName().equals("META-INF/MANIFEST.MF")) { continue; } String entryContents = IOUtils.toString(configuredWarJar.getInputStream(curEntry)); if (curEntry.getName().equals(specialFileName)) { assertFalse(fileContents.equals(entryContents)); assertTrue(entryContents.contains(expectedHomeDir)); } else { // Make sure our content was unchanged. assertEquals(fileContents, entryContents); assertFalse(entryContents.contains(expectedHomeDir)); } } } finally { // Clean up our test file. configuredWar.delete(); } } finally { // Clean up our test file. testWar.delete(); } }
From source file:com.tasktop.c2c.server.hudson.configuration.service.HudsonServiceConfiguratorTest.java
@Test public void testUpdateZipfile() throws Exception { // First, set up our zipfile test. // Create a manifest with a random header so that we can ensure it's preserved by the configurator. Manifest mf = new Manifest(); Attributes.Name mfTestHeader = Attributes.Name.IMPLEMENTATION_VENDOR; String mfTestValue = "someCrazyValue"; mf.getMainAttributes().put(mfTestHeader, mfTestValue); // Why do you need to add this header? See http://tech.puredanger.com/2008/01/07/jar-manifest-api/ - if you // don't add it, your manifest will be blank. mf.getMainAttributes().put(Attributes.Name.MANIFEST_VERSION, "1.0"); assertEquals(mfTestValue, mf.getMainAttributes().getValue(mfTestHeader)); File testWar = File.createTempFile("HudsonServiceConfiguratorTest", ".war"); configurator.setWarTemplateFile(testWar.getAbsolutePath()); try {/*from w ww. j ava2 s . co m*/ JarOutputStream jarOutStream = new JarOutputStream(new FileOutputStream(testWar), mf); String specialFileName = "foo/bar.xml"; String fileContents = "This is a file within our JAR file - it contains an <env-entry-value></env-entry-value> which should be filled by the configurator only if this is the 'special' file."; // Make our configurator replace this file within the JAR. configurator.setWebXmlFilename(specialFileName); // Create several random files in the zip. for (int i = 0; i < 10; i++) { JarEntry curEntry = new JarEntry("folder/file" + i); jarOutStream.putNextEntry(curEntry); IOUtils.write(fileContents, jarOutStream); } // Push in our special file now. JarEntry specialEntry = new JarEntry(specialFileName); jarOutStream.putNextEntry(specialEntry); IOUtils.write(fileContents, jarOutStream); // Close the output stream now, time to do the test. jarOutStream.close(); // Configure this configurator with appropriate folders for testing. String expectedHomeDir = "/some/silly/random/homeDir"; String webappsTarget = FileUtils.getTempDirectoryPath() + "/webapps/"; File webappsTargetDir = new File(webappsTarget); if (webappsTargetDir.exists()) { FileUtils.deleteDirectory(webappsTargetDir); } String expectedDestFile = webappsTarget + "s#test#hudson.war"; HudsonWarNamingStrategy warNamingStrategy = new HudsonWarNamingStrategy(); warNamingStrategy.setPathPattern(webappsTarget + "s#%s#hudson.war"); configurator.setHudsonWarNamingStrategy(warNamingStrategy); configurator.setTargetHudsonHomeBaseDir(expectedHomeDir); ProjectServiceConfiguration config = new ProjectServiceConfiguration(); config.setProjectIdentifier("test123"); Map<String, String> m = new HashMap<String, String>(); m.put(ProjectServiceConfiguration.PROJECT_ID, "test"); m.put(ProjectServiceConfiguration.PROFILE_BASE_URL, "https://qcode.cloudfoundry.com"); config.setProperties(m); config.setProjectIdentifier("test"); // Now, run it against our test setup configurator.configure(config); // Confirm that the zipfile was updates as expected. File configuredWar = new File(expectedDestFile); assertTrue(configuredWar.exists()); try { JarFile configuredWarJar = new JarFile(configuredWar); Manifest extractedMF = configuredWarJar.getManifest(); assertEquals(mfTestValue, extractedMF.getMainAttributes().getValue(mfTestHeader)); // Make sure all of our entries are present, and contain the data we expected. JarEntry curEntry = null; Enumeration<JarEntry> entries = configuredWarJar.entries(); while (entries.hasMoreElements()) { curEntry = entries.nextElement(); // If this is the manifest, skip it. if (curEntry.getName().equals("META-INF/MANIFEST.MF")) { continue; } String entryContents = IOUtils.toString(configuredWarJar.getInputStream(curEntry)); if (curEntry.getName().equals(specialFileName)) { assertFalse(fileContents.equals(entryContents)); assertTrue(entryContents.contains(expectedHomeDir)); } else { // Make sure our content was unchanged. assertEquals(fileContents, entryContents); assertFalse(entryContents.contains(expectedHomeDir)); } } } finally { // Clean up our test file. configuredWar.delete(); } } finally { // Clean up our test file. testWar.delete(); } }
From source file:com.amalto.core.jobox.component.JobAware.java
private void setClassPath4TISJob(File entity, JobInfo jobInfo) { String newClassPath = ""; //$NON-NLS-1$ String separator = System.getProperty("path.separator"); //$NON-NLS-1$ List<File> checkList = new ArrayList<File>(); JoboxUtil.findFirstFile(null, entity, "classpath.jar", checkList); //$NON-NLS-1$ if (checkList.size() > 0) { try {/*ww w . j a v a 2 s.c om*/ String basePath = checkList.get(0).getParent(); JarFile jarFile = new JarFile(checkList.get(0).getAbsolutePath()); Manifest jarFileManifest = jarFile.getManifest(); String cxt = jarFileManifest.getMainAttributes().getValue("activeContext"); //$NON-NLS-1$ jobInfo.setContextStr(cxt); String classPaths = jarFileManifest.getMainAttributes().getValue("Class-Path"); //$NON-NLS-1$ String[] classPathsArray = classPaths.split("\\s+", 0); //$NON-NLS-1$ List<String> classPathsArrayList = new ArrayList<String>(Arrays.asList(classPathsArray)); List<String> classPathsExtArray = new ArrayList<String>(); if (!classPathsArrayList.contains(".")) { //$NON-NLS-1$ classPathsExtArray.add("."); //$NON-NLS-1$ } if (classPathsArrayList.size() > 0) { classPathsExtArray.addAll(classPathsArrayList); } for (String classPath : classPathsExtArray) { File libFile = new File(basePath + File.separator + classPath); if (libFile.exists()) { if (newClassPath.length() == 0) { newClassPath += libFile.getAbsolutePath(); } else if (newClassPath.length() > 0) { newClassPath += separator + libFile.getAbsolutePath(); } } } } catch (IOException e) { throw new JoboxException(e); } } jobInfo.setClasspath(newClassPath); }
From source file:org.apache.servicemix.jbi.deployer.handler.JBIDeploymentListener.java
/** * Check if the file is a recognized JBI artifact that needs to be * processed./*ww w.j av a 2s. c o m*/ * * @param artifact the file to check * @return <code>true</code> is the file is a JBI artifact that * should be transformed into an OSGi bundle. */ public boolean canHandle(File artifact) { try { // Accept jars and zips if (!artifact.getName().endsWith(".zip") && !artifact.getName().endsWith(".jar")) { return false; } JarFile jar = new JarFile(artifact); JarEntry entry = jar.getJarEntry(DescriptorFactory.DESCRIPTOR_FILE); // Only handle JBI artifacts if (entry == null) { return false; } // Only handle non OSGi bundles Manifest m = jar.getManifest(); if (m != null && m.getMainAttributes().getValue(new Attributes.Name("Bundle-SymbolicName")) != null && m.getMainAttributes().getValue(new Attributes.Name("Bundle-Version")) != null) { return false; } return true; } catch (Exception e) { return false; } }
From source file:org.jahia.data.templates.ModulesPackage.java
private ModulesPackage(JarFile jarFile) throws IOException { modules = new LinkedHashMap<String, PackagedModule>(); Attributes manifestAttributes = jarFile.getManifest().getMainAttributes(); version = new Version(manifestAttributes.getValue(Constants.ATTR_NAME_JAHIA_PACKAGE_VERSION)); name = manifestAttributes.getValue(Constants.ATTR_NAME_JAHIA_PACKAGE_NAME); description = manifestAttributes.getValue(Constants.ATTR_NAME_JAHIA_PACKAGE_DESCRIPTION); // read jars/*w w w .j a v a2 s .co m*/ Enumeration<JarEntry> jars = jarFile.entries(); while (jars.hasMoreElements()) { JarEntry jar = jars.nextElement(); JarFile moduleJarFile = null; OutputStream output = null; if (StringUtils.endsWith(jar.getName(), ".jar")) { try { InputStream input = jarFile.getInputStream(jar); File moduleFile = File.createTempFile(jar.getName(), ""); output = new FileOutputStream(moduleFile); int read = 0; byte[] bytes = new byte[1024]; while ((read = input.read(bytes)) != -1) { output.write(bytes, 0, read); } moduleJarFile = new JarFile(moduleFile); Attributes moduleManifestAttributes = moduleJarFile.getManifest().getMainAttributes(); String bundleName = moduleManifestAttributes.getValue(Constants.ATTR_NAME_BUNDLE_SYMBOLIC_NAME); String jahiaGroupId = moduleManifestAttributes.getValue(Constants.ATTR_NAME_GROUP_ID); if (bundleName == null || jahiaGroupId == null) { throw new IOException( "Jar file " + jar.getName() + " in package does not seems to be a DX bundle."); } modules.put(bundleName, new PackagedModule(bundleName, moduleManifestAttributes, moduleFile)); } finally { IOUtils.closeQuietly(output); if (moduleJarFile != null) { moduleJarFile.close(); } } } } // we finally sort modules based on dependencies try { sortByDependencies(modules); } catch (CycleDetectedException e) { throw new JahiaRuntimeException("A cyclic dependency detected in the modules of the supplied package", e); } }
From source file:org.commonjava.web.test.fixture.JarKnockouts.java
public void rewriteJar(final File source, final File targetDir) throws IOException { targetDir.mkdirs();//from w ww . j av a 2s . c o m final File target = new File(targetDir, source.getName()); JarFile in = null; JarOutputStream out = null; try { in = new JarFile(source); final BufferedOutputStream fos = new BufferedOutputStream(new FileOutputStream(target)); out = new JarOutputStream(fos, in.getManifest()); final Enumeration<JarEntry> entries = in.entries(); while (entries.hasMoreElements()) { final JarEntry entry = entries.nextElement(); if (!knockout(entry.getName())) { final InputStream stream = in.getInputStream(entry); out.putNextEntry(entry); copy(stream, out); out.closeEntry(); } } } finally { closeQuietly(out); if (in != null) { try { in.close(); } catch (final IOException e) { } } } }
From source file:org.apache.sling.maven.bundlesupport.AbstractBundleDeployMojo.java
/** * Change the version in jar//w w w. j a v a 2 s . c om * * @param newVersion * @param file * @return * @throws MojoExecutionException */ protected File changeVersion(File file, String oldVersion, String newVersion) throws MojoExecutionException { String fileName = file.getName(); int pos = fileName.indexOf(oldVersion); fileName = fileName.substring(0, pos) + newVersion + fileName.substring(pos + oldVersion.length()); JarInputStream jis = null; JarOutputStream jos; OutputStream out = null; JarFile sourceJar = null; try { // now create a temporary file and update the version sourceJar = new JarFile(file); final Manifest manifest = sourceJar.getManifest(); manifest.getMainAttributes().putValue("Bundle-Version", newVersion); jis = new JarInputStream(new FileInputStream(file)); final File destJar = new File(file.getParentFile(), fileName); out = new FileOutputStream(destJar); jos = new JarOutputStream(out, manifest); jos.setMethod(JarOutputStream.DEFLATED); jos.setLevel(Deflater.BEST_COMPRESSION); JarEntry entryIn = jis.getNextJarEntry(); while (entryIn != null) { JarEntry entryOut = new JarEntry(entryIn.getName()); entryOut.setTime(entryIn.getTime()); entryOut.setComment(entryIn.getComment()); jos.putNextEntry(entryOut); if (!entryIn.isDirectory()) { IOUtils.copy(jis, jos); } jos.closeEntry(); jis.closeEntry(); entryIn = jis.getNextJarEntry(); } // close the JAR file now to force writing jos.close(); return destJar; } catch (IOException ioe) { throw new MojoExecutionException("Unable to update version in jar file.", ioe); } finally { if (sourceJar != null) { try { sourceJar.close(); } catch (IOException ex) { // close } } IOUtils.closeQuietly(jis); IOUtils.closeQuietly(out); } }