Example usage for java.util.jar Pack200 newUnpacker

Introduction

In this page you can find the example usage for java.util.jar Pack200 newUnpacker.

Prototype

public static Unpacker newUnpacker() 

Source Link

Document

Obtain new instance of a class that implements Unpacker.

Usage

From source file:Main.java

public static void main(String[] args) throws Exception {
    Pack200.Unpacker unpacker = Pack200.newUnpacker();
    JarOutputStream out = new JarOutputStream(new FileOutputStream("outName"));
    InputStream in = new FileInputStream("inName");
    // in = new GZIPInputStream(in);
    unpacker.unpack(in, out);/*from  w w w . j a v a 2  s  .  co m*/
    out.close();
}

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From source file:Main.java

public static void main(String[] args) throws Exception {
    String inName = "a.pack.gz";
    String outName = "a.unpacked";
    Pack200.Unpacker unpacker = Pack200.newUnpacker();
    JarOutputStream out = new JarOutputStream(new FileOutputStream(outName));
    InputStream in = new FileInputStream(inName);
    in = new GZIPInputStream(in);
    unpacker.unpack(in, out);//from  ww w  . jav  a 2s  . c  o  m
    out.close();
}

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From source file:Main.java

public static void main(String[] args) throws Exception {

    String inName = "abc.pack.gz";
    String outName = "abc";

    Pack200.Unpacker unpacker = Pack200.newUnpacker();
    JarOutputStream out = new JarOutputStream(new FileOutputStream(outName));
    InputStream in = new FileInputStream(inName);
    if (inName.endsWith(".gz")) {
        in = new GZIPInputStream(in);
    }// www . j  av  a  2  s  .  c om

    unpacker.unpack(in, out);
    out.close();
}

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From source file:MainClass.java

public static void main(String[] args) throws Exception {

    String inName = args[0];//from  w w w .  ja  v a  2 s .com
    String outName;
    if (inName.endsWith(".pack.gz")) {
        outName = inName.substring(0, inName.length() - 8);
    } else if (inName.endsWith(".pack")) {
        outName = inName.substring(0, inName.length() - 5);
    } else {
        outName = inName + ".unpacked";
    }

    JarOutputStream out = null;
    InputStream in = null;

    Pack200.Unpacker unpacker = Pack200.newUnpacker();
    out = new JarOutputStream(new FileOutputStream(outName));
    in = new FileInputStream(inName);
    if (inName.endsWith(".gz"))
        in = new GZIPInputStream(in);
    unpacker.unpack(in, out);
    out.close();
}

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From source file:com.izforge.izpack.installer.unpacker.Pack200FileUnpacker.java

private Pack200.Unpacker createPack200Unpacker(PackFile packFile) {
    Pack200.Unpacker unpacker = Pack200.newUnpacker();
    Map<String, String> defaultUnpackerProperties = unpacker.properties();
    Map<String, String> localPackerProperties = packFile.getPack200Properties();
    if (localPackerProperties != null) {
        defaultUnpackerProperties.putAll(localPackerProperties);
    }//from  w  w  w. java  2s.  co  m
    return unpacker;
}

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From source file:ch.randelshofer.cubetwister.HTMLExporter.java

/**
 * Processes a pack200 template, by writing it both as a pack200 file and
 * a Jar file to the output stream.//from   ww  w  . j  a v a 2s .co  m
 *
 * @param filename The name of the template. Must end with ".jar.pack.gz".
 * @param in An input stream for reading the contents of the template.
 */
private void processPack200Template(String filename, InputStream in) throws IOException {
    p.setNote("Exporting " + filename + " ...");
    p.setProgress(p.getProgress() + 1);

    // Determine whether we can skip this file
    boolean skip = true;
    int pos1 = filename.lastIndexOf('/');
    int pos2 = filename.lastIndexOf("Player.jar.pack.gz");
    if (pos2 != -1) {
        for (CubeKind ck : playerCubeKinds) {
            if (ck.isNameOfKind(filename.substring(pos1 + 1, pos2))) {
                skip = false;
                break;
            }
        }
        if (skip)
            for (CubeKind ck : virtualCubeKinds) {
                if (ck.isNameOfKind(filename.substring(pos1 + 1, pos2))) {
                    skip = false;
                    break;
                }
            }
    }
    if (skip) {
        pos1 = filename.lastIndexOf("Virtual");
        pos2 = filename.lastIndexOf(".jar.pack.gz");
        if (pos2 != -1) {
            for (CubeKind ck : virtualCubeKinds) {
                if (ck.isNameOfKind(filename.substring(pos1 + 7, pos2))) {
                    skip = false;
                    break;
                }
            }
        }
    }
    if (skip) {
        return;
    }

    byte[] buf = new byte[1024];
    int len;

    // Write the pack200 file into the output and into a temporary buffer
    putNextEntry(filename);
    ByteArrayOutputStream tmp = new ByteArrayOutputStream();
    while (-1 != (len = in.read(buf, 0, buf.length))) {
        tmp.write(buf, 0, len);
        entryOut.write(buf, 0, len);
    }
    closeEntry();
    tmp.close();

    // Uncompress the pack200 file from the temporary buffer into the output
    putNextEntry(filename.substring(0, filename.length() - 8));
    InputStream itmp = new GZIPInputStream(new ByteArrayInputStream(tmp.toByteArray()));
    JarOutputStream jout = new JarOutputStream(entryOut);
    jout.setLevel(Deflater.BEST_COMPRESSION);
    Unpacker unpacker = Pack200.newUnpacker();
    unpacker.unpack(itmp, jout);

    jout.finish();
    closeEntry();
}

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