Java websocket server draft

/**
  * Brogaming server
  * http://brogaming.ru
  */

import java.io.*;
import java.lang.reflect.InvocationTargetException;
import java.net.*;
import java.security.MessageDigest;
import java.util.Properties;

public class BrogamingServer extends Thread{

    Socket s;
    int num;

    public BrogamingServer(int num, Socket s) {
        // copy data
        this.num = num;
        this.s = s;

        // and run new stream (look function run())
        setDaemon(true);
        setPriority(NORM_PRIORITY);
        start();
    }

    public static void main(String args[]) {
        try {
            int i = 0; // счетчик подключений

            // create socket on 3128 port
            ServerSocket server = new ServerSocket(3128);//, 0, InetAddress.getByName("192.168.1.9"));

            System.out.println("server is started");

            // listening port
            while(true) {
                new BrogamingServer(i, server.accept());
                i++;
            }
        }catch(Exception e){System.out.println("init error: " + e);}
    }



    public void run() {
        try {
            Thread t = new Thread(new Runnable() {
                @Override
                public void run() {
                    System.out.println("client connected");
                    RecieveDataFromClient();
                }
            });
            t.setDaemon(true);
            t.start();
        }catch(Exception e){System.out.println("init error: " + e);}
    }

    private void RecieveDataFromClient() {
        try {
            InputStream is = s.getInputStream();
            OutputStream os = s.getOutputStream();

            startConnection(is, os);

            while(s.isConnected())
            {


                byte buf[] = new byte[64*1024];
                int r = is.read(buf);

                if (buf.length == 0 || r == 0)
                {
                    os.write(new String("Buffer is empty").getBytes());
                    continue;
                }

                // create String with received data from client
                String data = new String(buf, 0, r); //"UTF-8");

                if (data == null || data.isEmpty())
                {
                    os.write(new String("Recieved data is empty").getBytes());
                    continue;
                }
                System.out.println("Recieved Data: " + data);
                os.write(new String("pong").getBytes());
                os.flush();
            }
        }
        catch(Exception e) {System.out.println("RecieveDataFromClient: " + e);}
    }

    private void startConnection(InputStream is, OutputStream os) {
        try {
            String ss;
            readLine(is); // first line, ignore it for now
            Properties props = new Properties();
            while((ss=readLine(is))!=null && !ss.equals(""))
            {
                String[] q = ss.split(": ");
                props.put(q[0], q[1]);
            }
            String key = (String) props.get("Sec-WebSocket-Key");
            String r = key + "" + "258EAFA5-E914-47DA-95CA-C5AB0DC85B11"; // append "magic" key to it

            MessageDigest md = MessageDigest.getInstance("SHA-1");
            md.update(r.getBytes("iso-8859-1"), 0, r.length());
            byte[] sha1hash = md.digest();

            String returnBase = base64(sha1hash);

            String ret = "HTTP/1.1 101 Switching Protocols\r\n";
                ret+="Upgrade: websocket\r\n";
                ret+="Connection: Upgrade\r\n";
                ret+="Sec-WebSocket-Accept: "+returnBase+"\r\n";
                ret+="\r\n";
            os.write(ret.getBytes());
            os.flush();
        }catch(Exception e){System.out.println("start connection error: " + e);}

    }

    private String base64(byte[] input) throws ClassNotFoundException, SecurityException, NoSuchMethodException, IllegalArgumentException, IllegalAccessException, InvocationTargetException, InstantiationException
    {
        Class<?> c = Class.forName("sun.misc.BASE64Encoder");
        java.lang.reflect.Method m = c.getMethod("encode", new Class<?>[]{byte[].class});
        String s = (String) m.invoke(c.newInstance(), input);
        return s;
    }

    private String readLine(InputStream in) {
        try {
            String line = "";
            int pread;
            int read = 0;
            while(true)
            {
                pread = read;
                read = in.read();
                if(read!=13&&read!=10)
                    line += (char) read;
                if(pread==13&&read==10) break;
            }
            return line;
        }catch(IOException ex){}
        return null;
    }

}