import java.applet.Applet;
import java.awt.*;
import java.awt.event.*;
import java.awt.image.*;
import javax.swing.*;
import java.net.*;
import java.io.*;

public class sample01 extends Applet implements ActionListener{
    int w, h;
    String tmp_str ; 
    InetAddress ip_adress = null;
    int port_no           = 10001;
    Socket xp_socket;
    PrintStream socket_wrt;

    public void init() {
        w = getWidth();
        h = getHeight();
        setBackground(Color.white);
        Button Button_0_ON  = (Button)add(new Button("S0 ON"));
        Button Button_1_ON  = (Button)add(new Button("S1 ON"));
        Button Button_2_ON  = (Button)add(new Button("S2 ON"));
        Button Button_0_OFF = (Button)add(new Button("S0 OFF"));
        Button Button_1_OFF = (Button)add(new Button("S1 OFF"));
        Button Button_2_OFF = (Button)add(new Button("S2 OFF"));
        Button_0_ON.addActionListener(this);
        Button_1_ON.addActionListener(this);
        Button_2_ON.addActionListener(this);
        Button_0_OFF.addActionListener(this);
        Button_1_OFF.addActionListener(this);
        Button_2_OFF.addActionListener(this);

        try{
            ip_adress = InetAddress.getByName(getCodeBase().getHost());
        }
        catch(UnknownHostException e){
            System.out.println(e);
        }
        try{
            xp_socket = new Socket(ip_adress, port_no);
            socket_wrt = new PrintStream(xp_socket.getOutputStream());
        }
        catch(IOException e){
            System.out.println(e);
        }
    }

    public void actionPerformed(ActionEvent e) {
        if(e.getActionCommand() == "S0 ON") {
            tmp_str = "AAAO01";
        }else if(e.getActionCommand() == "S1 ON") {
            tmp_str = "AAAO11";
        }else if(e.getActionCommand() == "S2 ON") {
            tmp_str = "AAAO21";
        }else if(e.getActionCommand() == "S0 OFF") {
            tmp_str = "AAAO00";
        }else if(e.getActionCommand() == "S1 OFF") {
            tmp_str = "AAAO10";
        }else if(e.getActionCommand() == "S2 OFF") {
            tmp_str = "AAAO20";
        }
        socket_wrt.println(tmp_str);
    }
}