import java.io.*;
import java.net.*;

public class Client extends Thread {
    Socket s;

    public Client(String serverhost, int port, ClientBehavior cb) {
        try {
            s = new Socket(serverhost, port);
            cb.setStreams(s.getOutputStream(), s.getInputStream());
            cb.setSocket(s);
            (new Thread(cb)).start();
        } catch (Exception e) {
            e.printStackTrace();
        }
    }


    public static interface ClientBehavior extends Runnable {
        public void setStreams(OutputStream os, InputStream is);
        public void setSocket(Socket s);
        public void closeSocket();
    }


    // just for convenience...
    public static class ClientBehaviorAdapter
                        implements  ClientBehavior {
        protected OutputStream os;
        protected InputStream is;
        protected Socket socket;

        public void setStreams(OutputStream os, InputStream is) {
            this.os = os;
            this.is = is;
        }

        public void setSocket(Socket s) {
            socket = s;
        }

        public void closeSocket() {
            try {
                socket.close();
            } catch (Exception e) {
                e.printStackTrace();
            }
        }

        public void run() {
        }
    }
}