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

Example 11 with JarOutputStream

use of java.util.jar.JarOutputStream 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 12 with JarOutputStream

use of java.util.jar.JarOutputStream in project jetty.project by eclipse.

the class WarURLConnection method substitueManifest.

/**
     * Use PipedOuputStream and PipedInputStream to do the transformation without making
     * a new temporary file ust to replace the manifest.
     * @param newmanifest The new manifest
     * @param rawIn The file input stream or equivalent. not the jar input stream.
     */
public static InputStream substitueManifest(final Manifest newmanifest, final InputStream rawIn) throws IOException {
    final PipedOutputStream pOut = new PipedOutputStream();
    PipedInputStream pIn = new PipedInputStream(pOut);
    Runnable run = new Runnable() {

        public void run() {
            JarInputStream jin = null;
            JarOutputStream dest = null;
            try {
                jin = new JarInputStream(rawIn, false);
                dest = new JarOutputStream(pOut, newmanifest);
                ZipEntry next = jin.getNextEntry();
                while (next != null) {
                    if (next.getName().equalsIgnoreCase(JarFile.MANIFEST_NAME)) {
                        continue;
                    }
                    dest.putNextEntry(next);
                    if (next.getSize() > 0) {
                        IO.copy(jin, dest, next.getSize());
                    }
                    next = jin.getNextJarEntry();
                }
            } catch (IOException ioe) {
                ioe.printStackTrace();
            } finally {
                if (dest != null)
                    IO.close(dest);
                if (jin != null)
                    IO.close(jin);
                IO.close(pOut);
            }
        }
    };
    Thread th = new Thread(run);
    th.start();
    return pIn;
}

Example 13 with JarOutputStream

use of java.util.jar.JarOutputStream in project elasticsearch by elastic.

the class JarHellTests method makeJar.

URL makeJar(Path dir, String name, Manifest manifest, String... files) throws IOException {
    Path jarpath = dir.resolve(name);
    ZipOutputStream out;
    if (manifest == null) {
        out = new JarOutputStream(Files.newOutputStream(jarpath, StandardOpenOption.CREATE));
    } else {
        out = new JarOutputStream(Files.newOutputStream(jarpath, StandardOpenOption.CREATE), manifest);
    }
    for (String file : files) {
        out.putNextEntry(new ZipEntry(file));
    }
    out.close();
    return jarpath.toUri().toURL();
}

Example 14 with JarOutputStream

use of java.util.jar.JarOutputStream in project buck by facebook.

the class ClassNodeListSupplierTest method testOneJar.

@Test
public void testOneJar() throws IOException {
    File jar = new File(tmpDir.getRoot(), "primary.jar");
    ZipOutputStream jarOut = new JarOutputStream(new FileOutputStream(jar));
    jarOut.putNextEntry(new JarEntry("com/facebook/buck/android/ClassNodeListSupplierTest.class"));
    writeClassBytes(ClassNodeListSupplierTest.class, jarOut);
    jarOut.close();
    Supplier<ImmutableList<ClassNode>> supplier = ClassNodeListSupplier.createMemoized(ImmutableList.of(jar.toPath()));
    ImmutableList<ClassNode> classNodes = supplier.get();
    assertEquals(1, classNodes.size());
    assertEquals(Type.getType(ClassNodeListSupplierTest.class).getInternalName(), classNodes.get(0).name);
    // Memoized should always return the same object
    assertSame(classNodes, supplier.get());
}

Example 15 with JarOutputStream

use of java.util.jar.JarOutputStream in project buck by facebook.

the class AccumulateClassNamesStepTest method testExecuteAccumulateClassNamesStepOnJarFile.

@Test
public void testExecuteAccumulateClassNamesStepOnJarFile() throws IOException {
    // Create a JAR file.
    String name = "example.jar";
    File jarFile = tmp.newFile(name);
    try (JarOutputStream out = new JarOutputStream(new BufferedOutputStream(new FileOutputStream(jarFile)))) {
        out.putNextEntry(new ZipEntry("com/example/Foo.class"));
        out.closeEntry();
        out.putNextEntry(new ZipEntry("com/example/Bar.class"));
        out.closeEntry();
        out.putNextEntry(new ZipEntry("com/example/not_a_class.png"));
        out.closeEntry();
        out.putNextEntry(new ZipEntry("com/example/subpackage/Baz.class"));
        out.closeEntry();
    }
    // Create the AccumulateClassNamesStep and execute it.
    ProjectFilesystem filesystem = new ProjectFilesystem(tmp.getRoot().toPath());
    AccumulateClassNamesStep accumulateClassNamesStep = new AccumulateClassNamesStep(filesystem, Optional.of(Paths.get(name)), Paths.get("output.txt"));
    ExecutionContext context = TestExecutionContext.newInstance();
    accumulateClassNamesStep.execute(context);
    String contents = Files.toString(new File(tmp.getRoot(), "output.txt"), Charsets.UTF_8);
    String separator = AccumulateClassNamesStep.CLASS_NAME_HASH_CODE_SEPARATOR;
    assertEquals("Verify that the contents are sorted alphabetically and ignore non-.class files.", Joiner.on('\n').join("com/example/Bar" + separator + SHA1_FOR_EMPTY_STRING, "com/example/Foo" + separator + SHA1_FOR_EMPTY_STRING, "com/example/subpackage/Baz" + separator + SHA1_FOR_EMPTY_STRING) + '\n', contents);
}