Examples with Pack200 java.util.jar.Pack200 used on opensource projects

Example 1 with Pack200

use of java.util.jar.Pack200 in project jdk8u_jdk by JetBrains.

the class Utils method pack.

// given a jar file foo.jar will write to foo.pack
static void pack(JarFile jarFile, File packFile) throws IOException {
    Pack200.Packer packer = Pack200.newPacker();
    Map<String, String> p = packer.properties();
    // Take the time optimization vs. space
    // CAUTION: do not use 0.
    p.put(packer.EFFORT, "1");
    // Make the memory consumption as effective as possible
    p.put(packer.SEGMENT_LIMIT, "10000");
    // ignore all JAR deflation requests to save time
    p.put(packer.DEFLATE_HINT, packer.FALSE);
    // save the file ordering of the original JAR
    p.put(packer.KEEP_FILE_ORDER, packer.TRUE);
    FileOutputStream fos = null;
    try {
        // Write out to a jtreg scratch area
        fos = new FileOutputStream(packFile);
        // Call the packer
        packer.pack(jarFile, fos);
    } finally {
        close(fos);
    }
}

Example 2 with Pack200

use of java.util.jar.Pack200 in project jdk8u_jdk by JetBrains.

the class T7007157 method main.

public static void main(String... args) throws IOException {
    File sdkHome = Utils.JavaSDK;
    File testJar = new File(new File(sdkHome, "lib"), "tools.jar");
    JarFile jarFile = new JarFile(testJar);
    File packFile = new File("foo.pack");
    Pack200.Packer packer = Pack200.newPacker();
    Map<String, String> p = packer.properties();
    // Take the time optimization vs. space
    // CAUTION: do not use 0.
    p.put(packer.EFFORT, "1");
    // Make the memory consumption as effective as possible
    p.put(packer.SEGMENT_LIMIT, "10000");
    // ignore all JAR deflation requests to save time
    p.put(packer.DEFLATE_HINT, packer.FALSE);
    // save the file ordering of the original JAR
    p.put(packer.KEEP_FILE_ORDER, packer.TRUE);
    // strip the StackMapTables
    p.put(packer.CODE_ATTRIBUTE_PFX + "StackMapTable", packer.STRIP);
    FileOutputStream fos = null;
    try {
        // Write out to a jtreg scratch area
        fos = new FileOutputStream(packFile);
        // Call the packer
        packer.pack(jarFile, fos);
    } finally {
        Utils.close(fos);
        Utils.close(jarFile);
    }
    Utils.cleanup();
}

Example 3 with Pack200

use of java.util.jar.Pack200 in project jdk8u_jdk by JetBrains.

the class TestExceptions method unpack200Test2.

// test the Pack200.unpack(File, OutputStream);
static void unpack200Test2() {
    List<UnpackTestFileInput> tlist = new ArrayList<UnpackTestFileInput>();
    try {
        // setup the test scenarios
        try {
            tlist.add(new UnpackTestFileInput((File) null, null));
            tlist.add(new UnpackTestFileInput(testPackFile, null));
            tlist.add(new UnpackTestFileInput((File) null, new JarOutputStream(new ByteArrayOutputStream())));
        } catch (Exception e) {
            throw new Error("Initialization error", e);
        }
        // test the scenarios
        for (UnpackTestFileInput ti : tlist) {
            System.out.println(ti);
            try {
                Pack200.Unpacker unpacker = Pack200.newUnpacker();
                unpacker.unpack(ti.getInputFile(), ti.getJarOutputStream());
            } catch (Exception e) {
                ti.checkException(e);
            }
        }
    } finally {
        // keep jprt happy
        for (TestInput ti : tlist) {
            if (ti != null) {
                ti.close();
            }
        }
    }
}

Example 4 with Pack200

use of java.util.jar.Pack200 in project jdk8u_jdk by JetBrains.

the class TestExceptions method unpack200Test1.

// test the Pack200.unpack(InputStream, OutputStream);
static void unpack200Test1() {
    List<UnpackTestInput> tlist = new ArrayList<UnpackTestInput>();
    try {
        // setup the test scenarios
        try {
            tlist.add(new UnpackTestInput((InputStream) null, null));
            tlist.add(new UnpackTestInput(new FileInputStream(testPackFile), null));
            tlist.add(new UnpackTestInput((InputStream) null, new JarOutputStream(new ByteArrayOutputStream())));
        } catch (Exception e) {
            throw new Error("Initialization error", e);
        }
        // test the scenarios
        for (UnpackTestInput ti : tlist) {
            System.out.println(ti);
            try {
                Pack200.Unpacker unpacker = Pack200.newUnpacker();
                unpacker.unpack(ti.getInputStream(), ti.getJarOutputStream());
            } catch (Exception e) {
                ti.checkException(e);
            }
        }
    } finally {
        // keep jprt happy
        for (TestInput ti : tlist) {
            if (ti != null) {
                ti.close();
            }
        }
    }
}

Example 5 with Pack200

use of java.util.jar.Pack200 in project Lucee by lucee.

the class Pack200Util method pack2Jar.

public static void pack2Jar(InputStream is, OutputStream os, boolean closeIS, boolean closeOS) throws IOException {
    Unpacker unpacker = Pack200.newUnpacker();
    SortedMap<String, String> p = unpacker.properties();
    p.put(Unpacker.DEFLATE_HINT, Unpacker.TRUE);
    is = new GZIPInputStream(is);
    JarOutputStream jos = null;
    try {
        jos = new JarOutputStream(os);
        unpacker.unpack(is, jos);
        jos.finish();
    } finally {
        if (closeIS)
            IOUtil.closeEL(is);
        if (closeOS)
            IOUtil.closeEL(jos);
    }
}