i have build the gui but i am having problem with implementing the tcp/udp. can somebody help me.
i have server and client. the server can chat with the client. when i tried to to use the udp of tcp the gui seems hangs..
this is the code for server
- package ds;
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import java.awt.event.ActionEvent;
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import java.awt.event.ActionListener;
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import java.io.*;
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import java.net.*;
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import java.util.*;
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import java.awt.*;
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import javax.swing.*;
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import javax.swing.border.TitledBorder;
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public class Server extends JFrame implements ActionListener {
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// Text area for displaying contents
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private JTextField toclient = new JTextField();
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private JTextArea display = new JTextArea();
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private JButton send = new JButton("Send/Start Server");
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public DatagramSocket aSocket;
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public DatagramPacket request;
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public DatagramPacket reply;
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public static void main(String[] args) {
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new Server();
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}
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public void actionPerformed(ActionEvent e) {
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if (e.getSource() == send){
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try {
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String msg = toclient.getText();
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byte [] xy = msg.getBytes();
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reply = new DatagramPacket(xy,xy.length,
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request.getAddress(), request.getPort());
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//sending a reply message to client
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aSocket.send(reply);
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} catch (IOException ex) {
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ex.printStackTrace();
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}
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}
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}
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public Server() {
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JPanel input = new JPanel();
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input.setLayout(new BorderLayout());
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input.setBorder(new TitledBorder("Enter Message"));
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input.add(toclient, BorderLayout.CENTER);
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input.add(send, BorderLayout.EAST);
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JPanel output = new JPanel();
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output.setLayout(new BorderLayout());
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output.setBorder(new TitledBorder("Conversation"));
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output.add(display, BorderLayout.CENTER);
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JPanel gabung = new JPanel();
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gabung.setLayout(new GridLayout(2, 1));
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gabung.add(input);
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gabung.add(output);
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this.getContentPane().add(gabung, BorderLayout.NORTH);
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send.addActionListener(this);
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setTitle("Chat Server");
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setSize(500, 300);
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setVisible(true);
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}
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}
this is client
- package ds;
-
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import java.awt.event.ActionEvent;
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import java.awt.event.ActionListener;
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import java.io.*;
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import java.net.*;
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import java.util.*;
-
import java.awt.*;
-
import javax.swing.*;
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import javax.swing.border.TitledBorder;
-
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public class Client extends JFrame implements ActionListener {
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// Text area for displaying contents
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private JTextField toclient = new JTextField();
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private JTextArea display = new JTextArea();
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private JButton send = new JButton("Send");
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public static void main(String[] args) {
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new Client();
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}
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public void actionPerformed(ActionEvent e) {
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}
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public Client() {
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JPanel input = new JPanel();
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input.setLayout(new BorderLayout());
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input.setBorder(new TitledBorder("Enter Message"));
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input.add(toclient, BorderLayout.CENTER);
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input.add(send, BorderLayout.EAST);
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JPanel output = new JPanel();
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output.setLayout(new BorderLayout());
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output.setBorder(new TitledBorder("Conversation"));
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output.add(display, BorderLayout.CENTER);
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JPanel gabung = new JPanel();
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gabung.setLayout(new GridLayout(2, 1));
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gabung.add(input);
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gabung.add(output);
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this.getContentPane().add(gabung, BorderLayout.NORTH);
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setTitle("Chat Client");
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setSize(500, 300);
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setVisible(true);
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}
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}
where do i need to implement the udp or tcp?
