Minecraft Launcher custom jar files

//pastebin file for http://www.youtube.com/watch?v=-CXOqIcd0mY
//Downloads version and verifys current version in util.java
try
{
    URL getVersion = new URL("http://dl.dropbox.com/u/28742532/client/update/update.txt");
    BufferedReader RgetVersion = new BufferedReader(new InputStreamReader(getVersion.openStream()));
    Mods.versionDownload = Integer.parseInt(RgetVersion.readLine());

        BufferedReader KippyVersion =  new BufferedReader(new FileReader("" + localFile + "/Version.txt"));
    Mods.version = Integer.parseInt(KippyVersion.readLine());
    KippyVersion.close();

    if(Mods.versionDownload > Mods.version)
    {
        Mods.update = true;
    }
}catch (Exception e)
{
    String ee = "" + e;
    if(ee.contains("java.io.FileNotFoundException"))
    {
        Mods.hasDownloaded = false;
    }
        System.err.println(e);
}

//Writes the downloaded version if requires update goes in GameUpdater.java
try
{
    File readVersion = new File(Util.getWorkingDirectory(), "Version.txt");
        readVersion.createNewFile();
        BufferedWriter writeVersion = new BufferedWriter(new FileWriter(readVersion));
        writeVersion.write("" + Mods.versionDownload);
        writeVersion.close();
}catch (Exception exception)
{
    System.err.println(exception);
}