public static String createCookie(String displayNumber) 
{
        log.error("Creating fake cookie");
        StringBuffer b = new StringBuffer();
        for (int i = 0; i <  16; i++) {
            int r = (int) (Math.random() * 256);
            String h = Integer.toHexString(r);
            if (h.length() == 1) {
                b.append(0);
            }
            b.append(h);
        }
        log.error("Fake cookie is " + b.toString());
        return b.toString();
}

 public static String getCookie(int displayNumber) throws IOException 
{
         
        log.debug("Getting cookie for " + displayNumber + " using xauth");
        Process process = null;
        InputStream in = null;
        InputStream err = null;
        OutputStream out = null;
        //  try {
        byte[] foo = new byte[16];
        ConfigurationLoader.getRND().nextBytes(foo);
        byte[] bar = new byte[32];
        for (int i = 0; i <  16; i++) {
            bar[2 * i] = table[(foo[i]  > > > 4) & 0xf];
            bar[(2 * i) + 1] = table[(foo[i]) & 0xf];
        }
        return new String(bar);
        /*    String cmd = "xauth list :" + displayNumber;
log.debug("Executing " + cmd);
process = Runtime.getRuntime().exec(cmd);
IOStreamConnector connect = new IOStreamConnector(
err = process.getErrorStream(), System.out);
BufferedReader reader = new BufferedReader(
new InputStreamReader(in = process.getInputStream()));
out = process.getOutputStream();
String line = null;
String cookie = null;
while( ( line = reader.readLine() ) != null) {
log.debug(line);
StringTokenizer t = new StringTokenizer(line);
try {
    String host = t.nextToken();
    String type = t.nextToken();
    String value = t.nextToken();
    if(cookie == null) {
        cookie = value;
        log.debug("Using cookie " + cookie);
    }
}
catch(Exception e) {
    log.error("Unexpected response from xauth.", e);
}
}
return cookie;
 }
 finally {
IOUtil.closeStream(in);
IOUtil.closeStream(err);
IOUtil.closeStream(out);
 }*/
}