ifs 0.1

package ifs;

import java.io.FileNotFoundException;
import java.io.IOException;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLConnection;
import java.util.Random;

public class IFS {

    private static final int THREADS = 10;

    private static class MyRunnable implements Runnable {

        private static final String STR_MESSAGE = "(%d) %s";
        private static final String STR_SUCCESS = "(%d) %d/%d=%f %s";

        private final int mThreadId;
        private int mSuccess = 0;
        private int mTotal = 0;

        public MyRunnable(int id){
            mThreadId = id;
        }

        @Override
        public void run() {
            final Random random = new Random();
            boolean found = false;
            while (true) {
                String chars = "1234567890QWERTYUIOPASDFGHJKLZXCVBNM";
                String s = generateString(random, chars, 6);
                final String url = "http://files.icq.net/files/get?fileId="+ s;
                try {
                    found = false;
                    URL u = new URL(url);
                    mTotal++;
                    URLConnection uc = u.openConnection();
                    uc.connect();
                    uc.getContent();
                    found = true;
                    mSuccess++;
                } catch (MalformedURLException e) {
                    System.out.println(String.format(STR_MESSAGE, mThreadId, e.getMessage()));
                } catch (FileNotFoundException e) {

                } catch (IOException e) {
                    System.out.println(String.format(STR_MESSAGE, mThreadId, e.getMessage()));
                }
                if(found){
                    final double p = mSuccess / mTotal;
                    System.out.println(String.format(STR_SUCCESS, mThreadId, mSuccess, mTotal, p, url));
                }
            }
        }

    }

    /**
     * @param args
     */
    public static void main(String[] args) {
        System.out.println("ICQ Files Scanner 0.1");
        for(int i=0; i<THREADS; i++){
            new Thread(new MyRunnable(i)).start();
        }
    }

    public static String generateString(Random rng, String characters,
            int length) {
        char[] text = new char[length];
        for (int i = 0; i < length; i++) {
            text[i] = characters.charAt(rng.nextInt(characters.length()));
        }
        return new String(text);
    }

}