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

Example 6 with JarOutputStream

use of java.util.jar.JarOutputStream in project hadoop by apache.

the class TestMRJobs method makeJobJarWithLib.

private Path makeJobJarWithLib(String testDir) throws FileNotFoundException, IOException {
    Path jobJarPath = new Path(testDir, "thejob.jar");
    FileOutputStream fos = new FileOutputStream(new File(jobJarPath.toUri().getPath()));
    JarOutputStream jos = new JarOutputStream(fos);
    // Have to put in real jar files or it will complain
    createAndAddJarToJar(jos, new File(new Path(testDir, "lib1.jar").toUri().getPath()));
    createAndAddJarToJar(jos, new File(new Path(testDir, "lib2.jar").toUri().getPath()));
    jos.close();
    localFs.setPermission(jobJarPath, new FsPermission("700"));
    return jobJarPath;
}

Example 7 with JarOutputStream

use of java.util.jar.JarOutputStream in project hadoop by apache.

the class TestLocalJobSubmission method makeJar.

private Path makeJar(Path p) throws IOException {
    FileOutputStream fos = new FileOutputStream(new File(p.toString()));
    JarOutputStream jos = new JarOutputStream(fos);
    ZipEntry ze = new ZipEntry("test.jar.inside");
    jos.putNextEntry(ze);
    jos.write(("inside the jar!").getBytes());
    jos.closeEntry();
    jos.close();
    return p;
}

Example 8 with JarOutputStream

use of java.util.jar.JarOutputStream in project hbase by apache.

the class ClassLoaderTestHelper method createJarArchive.

/**
   * Jar a list of files into a jar archive.
   *
   * @param archiveFile the target jar archive
   * @param tobejared a list of files to be jared
   */
private static boolean createJarArchive(File archiveFile, File[] tobeJared) {
    try {
        byte[] buffer = new byte[BUFFER_SIZE];
        // Open archive file
        FileOutputStream stream = new FileOutputStream(archiveFile);
        JarOutputStream out = new JarOutputStream(stream, new Manifest());
        for (int i = 0; i < tobeJared.length; i++) {
            if (tobeJared[i] == null || !tobeJared[i].exists() || tobeJared[i].isDirectory()) {
                continue;
            }
            // Add archive entry
            JarEntry jarAdd = new JarEntry(tobeJared[i].getName());
            jarAdd.setTime(tobeJared[i].lastModified());
            out.putNextEntry(jarAdd);
            // Write file to archive
            FileInputStream in = new FileInputStream(tobeJared[i]);
            while (true) {
                int nRead = in.read(buffer, 0, buffer.length);
                if (nRead <= 0)
                    break;
                out.write(buffer, 0, nRead);
            }
            in.close();
        }
        out.close();
        stream.close();
        LOG.info("Adding classes to jar file completed");
        return true;
    } catch (Exception ex) {
        LOG.error("Error: " + ex.getMessage());
        return false;
    }
}

Example 9 with JarOutputStream

use of java.util.jar.JarOutputStream in project hbase by apache.

the class TestClassFinder method packageAndLoadJar.

/**
   * Makes a jar out of some class files. Unfortunately it's very tedious.
   * @param filesInJar Files created via compileTestClass.
   * @return path to the resulting jar file.
   */
private static String packageAndLoadJar(FileAndPath... filesInJar) throws Exception {
    // First, write the bogus jar file.
    String path = basePath + "jar" + jarCounter.incrementAndGet() + ".jar";
    Manifest manifest = new Manifest();
    manifest.getMainAttributes().put(Attributes.Name.MANIFEST_VERSION, "1.0");
    FileOutputStream fos = new FileOutputStream(path);
    JarOutputStream jarOutputStream = new JarOutputStream(fos, manifest);
    // Directory entries for all packages have to be added explicitly for
    // resources to be findable via ClassLoader. Directory entries must end
    // with "/"; the initial one is expected to, also.
    Set<String> pathsInJar = new HashSet<>();
    for (FileAndPath fileAndPath : filesInJar) {
        String pathToAdd = fileAndPath.path;
        while (pathsInJar.add(pathToAdd)) {
            int ix = pathToAdd.lastIndexOf('/', pathToAdd.length() - 2);
            if (ix < 0) {
                break;
            }
            pathToAdd = pathToAdd.substring(0, ix);
        }
    }
    for (String pathInJar : pathsInJar) {
        jarOutputStream.putNextEntry(new JarEntry(pathInJar));
        jarOutputStream.closeEntry();
    }
    for (FileAndPath fileAndPath : filesInJar) {
        File file = fileAndPath.file;
        jarOutputStream.putNextEntry(new JarEntry(fileAndPath.path + file.getName()));
        byte[] allBytes = new byte[(int) file.length()];
        FileInputStream fis = new FileInputStream(file);
        fis.read(allBytes);
        fis.close();
        jarOutputStream.write(allBytes);
        jarOutputStream.closeEntry();
    }
    jarOutputStream.close();
    fos.close();
    // Add the file to classpath.
    File jarFile = new File(path);
    assertTrue(jarFile.exists());
    URLClassLoader urlClassLoader = (URLClassLoader) ClassLoader.getSystemClassLoader();
    Method method = URLClassLoader.class.getDeclaredMethod("addURL", new Class[] { URL.class });
    method.setAccessible(true);
    method.invoke(urlClassLoader, new Object[] { jarFile.toURI().toURL() });
    return jarFile.getAbsolutePath();
}

Example 10 with JarOutputStream

use of java.util.jar.JarOutputStream in project hbase by apache.

the class JarFinder method createJar.

private static void createJar(File dir, File jarFile) throws IOException {
    Preconditions.checkNotNull(dir, "dir");
    Preconditions.checkNotNull(jarFile, "jarFile");
    File jarDir = jarFile.getParentFile();
    if (!jarDir.exists()) {
        if (!jarDir.mkdirs()) {
            throw new IOException(MessageFormat.format("could not create dir [{0}]", jarDir));
        }
    }
    try (FileOutputStream fos = new FileOutputStream(jarFile);
        JarOutputStream jos = new JarOutputStream(fos)) {
        jarDir(dir, "", jos);
    }
}