String inName = args[0];
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;
try {
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);
}
catch (IOException ex) {
ex.printStackTrace();
}
finally {
if (out != null) {
try {
out.close();
}
catch (IOException ex) {
System.err.println("Error closing file: " + ex.getMessage());
}
}
}
