Client
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
import java.net.*;
import java.io.*;
import java.util.StringTokenizer;
public class Client extends JFrame
{//here is a code for set frame
JPanel p1 = new JPanel();//p1 panel is a top area of display
JLabel lab1 = new JLabel("Username：");//put user name to the box
JTextField tf1 = new JTextField(5);//put user name area
JLabel lab3 = new JLabel("Password");//put password to the box
JPasswordField tf3 = new JPasswordField(5);//put password area
JButton b1 = new JButton("login");//login note
JButton b2 = new JButton("Exit");//exit button
//JButton b5 = new JButton("Register"); //register button
//***************************************************************
JPanel p4 = new JPanel();//p4 panel is a center area of display
JScrollPane sp = new JScrollPane();//message will show in here when you have chat to somone
JTextArea ta = new JTextArea(12,28);//show message text area size
List list = new List(10);//this list use for show that who was login for use this client
JRadioButton rb1 = new JRadioButton("Mainroom",true);//choose for chat at main room
JRadioButton rb2 = new JRadioButton("Privatechat");//choose for chat with some one
ButtonGroup bg = new ButtonGroup();//this is a single choose about "Mainroom" and "Private"
JPanel p3 = new JPanel();//this is a new panel,we set it on the p4 panel for add "list","Mainrom" and "Private"
//**************************************************************************
JPanel p2 = new JPanel();
JTextField tf2 = new JTextField(20);
JButton b3 = new JButton("Sent");//sent message note
JButton b4 = new JButton("Emoticon");// show for choose Emotion Icon
JLabel lab2 = new JLabel("Message： ");//Attention that" this is type your message
Socket socket;
PrintStream ps;
String name;
String Password;
String ip;
public Client()
{
super("Chatroom");
/* we depart the frame for 3 part as a panel1,panel2 and panel4 */
getContentPane().add(p1,BorderLayout.NORTH);
getContentPane().add(p4,BorderLayout.CENTER);
getContentPane().add(p2,BorderLayout.SOUTH);
pack();
p1.add(lab1);//add "Username label" to panel 1
p1.add(tf1);//add "Text for type usernae" to panel 1
p1.add(lab3);//add "Password label" to panel 1
p1.add(tf3);//add "Text for type passowrd" to panel 1
p1.add(b1);//add "login" button to panel 1
// p1.add(b5);//add"Register button" to p1
p1.add(b2);//add "Exit" button to panel 1
p2.add(b4);//add "Emoticon button" to panel 2
p2.add(lab2);//add "Message label" to panel 2
p2.add(tf2);//add" Text for type message " to panel 2
p2.add(b3);//add"Sent button" to panel 2
p3.setLayout(new BorderLayout());/*here we set a new panel as a panel 3,
p3 is a part of p4 area*/
/*we depart p3 as a 3 part for add "list","rb1,rb2"
* (rb1 and rb2 is a single choose for chat "mainroom and Private")*/
p3.add(list,BorderLayout.NORTH);//set top part of p3 for add "list"
p3.add(rb1,BorderLayout.CENTER);//set midle part of p3 for add "Mainroom chat style"
p3.add(rb2,BorderLayout.SOUTH);//set bottom part of p3 for add "Private chat style"
/*"bg" in here is a short character for ButtonGroup command code
use this command code for single choose*/
bg.add(rb1);//add "Mainroom" to "ButtoGroup" for single choose
bg.add(rb2);//add "Private chat" to "ButtoGroup" for single choose
sp.getViewport().add(ta);
p4.add(p3);//here is add panel 3 to panel 4 area
p4.add(sp);/*here is add the display that will client chat to some another client
all of message will show in here display*/
//Chat room display
Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
Dimension frameSize = this.getSize();
if(frameSize.width > screenSize.width)
{
frameSize.width = screenSize.width;
}
if(frameSize.height > screenSize.height)
{
frameSize.height = screenSize.height;
}
setLocation((screenSize.width - frameSize.width)/2,
(screenSize.height - frameSize.height)/2);
setSize(600,380);//set frame size
setVisible(true);
setResizable(false);
// set a register display
/*b5.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e){
System.out.println("reg clicked");
new frameReg();
}
});*/
b4.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e){
System.out.println("pics clicked");
new JWindow();
}
});
b2.setEnabled(false);
b1.addActionListener(new ActionListener()
{
public void actionPerformed(ActionEvent e)
{
try
{
socket = new Socket(InetAddress.getLocalHost(),7000);
if(socket != null)
{
StringBuffer msg = new StringBuffer("CONNECT:");
name = tf1.getText();
Password = tf3.getText();
ip = InetAddress.getLocalHost().toString();
msg.append(name+":"+ip+":"+Password);
ps = new PrintStream(socket.getOutputStream());
ps.println(msg);
ps.flush();
ta.setText("");
ta.append(name+"login success！"+" ");
b1.setEnabled(false);
b2.setEnabled(true);
//Cient accept message from server
Thread t = new ClientListener(socket);
t.start();
}
}
catch(IOException ex)
{
ta.append("Error: "+ex+" ");
}
}
});
b2.addActionListener(new ButtonListener());//"Exit Button"
b3.addActionListener(new ButtonListener());
addWindowListener(new WindowAdapter()
{
public void windowClosing(WindowEvent e)
{
if(socket != null)
{
ps.println("QUIT:" + name);
ps.flush();
closeSocket();
}
System.exit(0);
}
});
}
class ClientListener extends Thread
{
Socket socket;
BufferedReader br;
PrintStream ps;
String message;
public ClientListener(Socket s)
{
try
{
socket = s;
br = new BufferedReader(new InputStreamReader(socket.getInputStream()));
ps = new PrintStream(socket.getOutputStream());
}
catch(IOException ex)
{
ta.append("Error: "+ex+" ");
}
}
public void run()
{
while(true)
{
try
{
message = br.readLine();
if(message == null)
break;
}
catch(IOException ex)
{
ta.append("Error-debug: "+ex+" ");
}
StringTokenizer st = new StringTokenizer(message,":");
String keyword = st.nextToken();
if(keyword.equals("PEOPLE"))
{
list.removeAll();
while(st.hasMoreTokens())
{
String user = st.nextToken();
list.add(user);
}
}
else if(keyword.equals("MSG"))
{
String broadcast = st.nextToken();
String user = st.nextToken();
StringBuffer sb = new StringBuffer(user+st.nextToken(""));
ta.append(sb+" ");
}
else if(keyword.equals("QUIT"))
{
String who = st.nextToken();
if(who.equals("Server"))
{
closeSocket();
ta.append("Server had closed！" + " ");
list.removeAll();
b2.setEnabled(false);
}
else
{
closeSocket();
b1.setEnabled(true);
b2.setEnabled(false);
list.removeAll();
ta.append(name + "Exit form chatroom！" + " ");
}
break;
}
}
}
}
public void closeSocket()
{
if(socket != null)
{
try
{
socket.close();
}
catch (IOException ex)
{
ta.append("Error: " + ex + " ");
}
}
}
class ButtonListener implements ActionListener
{
public void actionPerformed(ActionEvent e)
{
if(e.getActionCommand().equals("Exit"))
{
ps.println("QUIT:" + name);
ps.flush();
}
else if(e.getActionCommand().equals("Sent"))
{
StringBuffer msg = new StringBuffer("MSG:");
String info = name+":"+tf2.getText();
if(rb1.isSelected())
{
msg.append("BROAD:"+info);
}
else
{
msg.append( list.getSelectedItem()+":"+info);
}
ps.println(msg);
ps.flush();
tf2.setText("");
}
}
}
public static void main(String[] args)
{
Client app = new Client();
}
}
ຂຽນເມື່ອ: ກ.ພ.. 28, 2012
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