Examples with JarEntry java.util.jar.JarEntry used on opensource projects

Example 16 with JarEntry

use of java.util.jar.JarEntry in project weave by continuuity.

the class YarnWeavePreparer method saveLauncher.

/**
   * Creates the launcher.jar for launch the main application.
   */
private void saveLauncher(Map<String, LocalFile> localFiles) throws URISyntaxException, IOException {
    LOG.debug("Create and copy {}", Constants.Files.LAUNCHER_JAR);
    Location location = createTempLocation(Constants.Files.LAUNCHER_JAR);
    final String launcherName = WeaveLauncher.class.getName();
    // Create a jar file with the WeaveLauncher optionally a json serialized classpath.json in it.
    final JarOutputStream jarOut = new JarOutputStream(location.getOutputStream());
    ClassLoader classLoader = Thread.currentThread().getContextClassLoader();
    if (classLoader == null) {
        classLoader = getClass().getClassLoader();
    }
    Dependencies.findClassDependencies(classLoader, new Dependencies.ClassAcceptor() {

        @Override
        public boolean accept(String className, URL classUrl, URL classPathUrl) {
            Preconditions.checkArgument(className.startsWith(launcherName), "Launcher jar should not have dependencies: %s", className);
            try {
                jarOut.putNextEntry(new JarEntry(className.replace('.', '/') + ".class"));
                InputStream is = classUrl.openStream();
                try {
                    ByteStreams.copy(is, jarOut);
                } finally {
                    is.close();
                }
            } catch (IOException e) {
                throw Throwables.propagate(e);
            }
            return true;
        }
    }, WeaveLauncher.class.getName());
    try {
        if (!classPaths.isEmpty()) {
            jarOut.putNextEntry(new JarEntry("classpath"));
            jarOut.write(Joiner.on(':').join(classPaths).getBytes(Charsets.UTF_8));
        }
    } finally {
        jarOut.close();
    }
    LOG.debug("Done {}", Constants.Files.LAUNCHER_JAR);
    localFiles.put(Constants.Files.LAUNCHER_JAR, createLocalFile(Constants.Files.LAUNCHER_JAR, location));
}

Example 17 with JarEntry

use of java.util.jar.JarEntry in project weave by continuuity.

the class WeaveLauncher method unJar.

private static void unJar(File jarFile, File targetDir) throws IOException {
    JarInputStream jarInput = new JarInputStream(new FileInputStream(jarFile));
    try {
        JarEntry jarEntry = jarInput.getNextJarEntry();
        while (jarEntry != null) {
            File target = new File(targetDir, jarEntry.getName());
            if (jarEntry.isDirectory()) {
                target.mkdirs();
            } else {
                target.getParentFile().mkdirs();
                copy(jarInput, target);
            }
            jarEntry = jarInput.getNextJarEntry();
        }
    } finally {
        jarInput.close();
    }
}

Example 18 with JarEntry

use of java.util.jar.JarEntry in project weave by continuuity.

the class ApplicationBundlerTest method unjar.

private void unjar(File jarFile, File targetDir) throws IOException {
    JarInputStream jarInput = new JarInputStream(new FileInputStream(jarFile));
    try {
        JarEntry jarEntry = jarInput.getNextJarEntry();
        while (jarEntry != null) {
            File target = new File(targetDir, jarEntry.getName());
            if (jarEntry.isDirectory()) {
                target.mkdirs();
            } else {
                target.getParentFile().mkdirs();
                ByteStreams.copy(jarInput, Files.newOutputStreamSupplier(target));
            }
            jarEntry = jarInput.getNextJarEntry();
        }
    } finally {
        jarInput.close();
    }
}

Example 19 with JarEntry

use of java.util.jar.JarEntry in project weave by continuuity.

the class ApplicationBundler method saveEntry.

/**
   * Saves a class entry to the jar output.
   */
private void saveEntry(String entry, URL url, Set<String> entries, JarOutputStream jarOut, boolean compress) {
    if (!entries.add(entry)) {
        return;
    }
    try {
        JarEntry jarEntry = new JarEntry(entry);
        InputStream is = url.openStream();
        try {
            if (compress) {
                jarOut.putNextEntry(jarEntry);
                ByteStreams.copy(is, jarOut);
            } else {
                crc32.reset();
                TransferByteOutputStream os = new TransferByteOutputStream();
                CheckedOutputStream checkedOut = new CheckedOutputStream(os, crc32);
                ByteStreams.copy(is, checkedOut);
                checkedOut.close();
                long size = os.size();
                jarEntry.setMethod(JarEntry.STORED);
                jarEntry.setSize(size);
                jarEntry.setCrc(checkedOut.getChecksum().getValue());
                jarOut.putNextEntry(jarEntry);
                os.transfer(jarOut);
            }
        } finally {
            is.close();
        }
        jarOut.closeEntry();
    } catch (Exception e) {
        throw Throwables.propagate(e);
    }
}

Example 20 with JarEntry

use of java.util.jar.JarEntry in project crunch by cloudera.

the class WordCountHBaseTest method jarUp.

private void jarUp(JarOutputStream jos, File baseDir, String classDir) throws IOException {
    File file = new File(baseDir, classDir);
    JarEntry e = new JarEntry(classDir);
    e.setTime(file.lastModified());
    jos.putNextEntry(e);
    ByteStreams.copy(new FileInputStream(file), jos);
    jos.closeEntry();
}