import javax.swing.*;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.TimeZone;
import java.util.concurrent.CountDownLatch;
import java.util.jar.JarOutputStream;
import java.util.jar.Pack200;

/**
 * Created with IntelliJ IDEA.
 * User: mcherkas
 * Date: 12/12/14
 * Time: 7:19 PM
 * To change this template use File | Settings | File Templates.
 */
public class ESC20176847{

    private static final int THREAD_COUNT = 50;
    private static final CountDownLatch startLatch = new CountDownLatch(THREAD_COUNT);
    private static final CountDownLatch doneLatch = new CountDownLatch(THREAD_COUNT);

    public static void main(final String[] args) throws InterruptedException {
        System.out.println(TimeZone.getDefault());
        for (int i = 0; i < THREAD_COUNT; i++) {
            final int finalI = i;
            new Thread() {
                @Override
                public void run() {
                    try {
                        Pack200.Unpacker unpacker = Pack200.newUnpacker();
                        startLatch.countDown();
                        startLatch.await();
                        unpacker.unpack(new File("C:\\opt\\nginx-1.4.1\\html\\timezone\\untrusted.jar.pack"),
                                new JarOutputStream(new FileOutputStream("./unpackedjar" + finalI + "_jar")));
                    } catch (Exception e) {
                        e.printStackTrace();
                    } finally {
                        doneLatch.countDown();
                    }
                }
            }.start();
        }
        doneLatch.await();
        System.out.println(TimeZone.getDefault());
    }

}