كود بلغة الجافا يمثل جانب الClient في برنامج دردشه مصغر

import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
import java.net.*;
import java.io.*;
public class Client extends JFrame implements ActionListener
{
JLabel label1,label2,label3,label4,label5,label6,label7;
JTextArea text;
JScrollPane pane;
JTextField field1,field2,field3,field4;
JButton sign,send,out,exit;
JPanel panel;
Font font=new Font("Goudy Old Style",2,20);
ImageIcon image1,image2;
UIManager.LookAndFeelInfo looks[];
JProgressBar load;
Socket socket;
DataInputStream indata;
DataOutputStream outdata;
int port;
listen tmp=new listen();
public Client()
{
super("********************************* Client *********************************");
looks = UIManager.getInstalledLookAndFeels();
try
{
UIManager.setLookAndFeel(looks[2].getClassName());
SwingUtilities.updateComponentTreeUI(this);
}
catch(Exception s)
{
}
panel=new APanel();
panel.setLayout(null);
label1=new JLabel("Enter The Server IP");
label1.setFont(font);
label1.setBounds(50,100,500,50);
panel.add(label1);
field1=new JTextField();
field1.setFont(font);
field1.setBounds(250,105,350,40);
panel.add(field1);
label2=new JLabel("Enter Your ID");
label2.setFont(font);
label2.setBounds(50,180,500,50);
panel.add(label2);
field2=new JTextField();
field2.setFont(font);
field2.setBounds(250,185,250,40);
panel.add(field2);
label3=new JLabel("Enter The Server Port");
label3.setFont(font);
label3.setBounds(50,270,500,50);
panel.add(label3);
field3=new JTextField();
field3.setFont(font);
field3.setBounds(250,275,150,40);
panel.add(field3);
sign=new JButton("Sign In");
sign.setFont(font);
sign.addActionListener(this);
sign.setBounds(150,400,130,40);
panel.add(sign);
image1=new ImageIcon("done.png");
sign.setIcon(image1);
exit=new JButton("Exit");
exit.setFont(font);
exit.addActionListener(this);
exit.setBounds(400,400,130,40);
panel.add(exit);
image2=new ImageIcon("exit.png");
exit.setIcon(image2);
load=new JProgressBar(1,100);
load.setBounds(400,500,200,30);
panel.add(load);
load.setVisible(false);
label4=new JLabel("Messages");
label4.setFont(font);
label4.setBounds(150,10,300,50);
panel.add(label4);
label4.setVisible(false);
text=new JTextArea();
text.setFont(font);
pane=new JScrollPane(text);
pane.setBounds(10,60,550,400);
text.setEditable(false);
pane.setVisible(false);
panel.add(pane);
label5=new JLabel("Enter Your Message Here ");
label5.setFont(font);
label5.setBounds(70,450,300,50);
label5.setVisible(false);
panel.add(label5);
field4=new JTextField();
field4.setFont(font);
field4.setBounds(10,500,400,40);
field4.setVisible(false);
panel.add(field4);
label6=new JLabel("Welcome");
label6.setFont(font);
label6.setBounds(600,150,300,50);
panel.add(label6);
label6.setVisible(false);
label7=new JLabel();
label7.setFont(font);
label7.setBounds(580,200,300,50);
panel.add(label7);
label7.setVisible(false);
send=new JButton("Send");
send.setFont(font);
send.addActionListener(this);
send.setBounds(430,505,130,40);
send.setVisible(false);
panel.add(send);
out=new JButton("Sign Out");
out.setFont(font);
out.addActionListener(this);
out.setBounds(580,505,130,40);
out.setVisible(false);
panel.add(out);
add(panel);
setSize(750,600);
setLocation(230,100);
setVisible(true);
setResizable(false);
}
public static void main(String args[])
{
Client temp=new Client();
temp.setDefaultCloseOperation(0);
}
boolean flag=true;
boolean flag2=true;
public void actionPerformed(ActionEvent e)
{
flag=true;
flag2=true;
if(e.getSource()==sign)
{
if(field1.getText().equals(""))
{
label1.setForeground(Color.red);
flag=false;
}
else
{
label1.setForeground(Color.black);
}
if(field2.getText().equals(""))
{
label2.setForeground(Color.red);
flag=false;
}
else
{
label2.setForeground(Color.black);
}
if(field3.getText().equals(""))
{
label3.setForeground(Color.red);
flag=false;
}
else
{
for(int i=0;i<field3.getText().length();i++)
{
if(field3.getText().charAt(i)<'0'||field3.getText().charAt(i)>'9')
{
label3.setForeground(Color.red);
flag=false;
flag2=false;
}
else
flag2=true;
}
if(flag2)
label3.setForeground(Color.black);
}
if(flag)
{
load.setVisible(true);
Load test=new Load();
test.start();
}
}
if(e.getSource()==send)
{
try
{
String xx=field2.getText()+" Says : "+field4.getText();
outdata.writeUTF(xx);
}
catch(Exception em)
{
}
}
if(e.getSource()==out)
{
int choose=JOptionPane.showOptionDialog(null,"Are You Sure ........",null,0,3,null,null,0);
if(choose==0)
{
try
{
socket.close();
}
catch(Exception mn)
{
}
System.exit(0);
}
}
if(e.getSource()==exit)
{
int choose=JOptionPane.showOptionDialog(null,"Are You Sure ........",null,0,3,null,null,0);
if(choose==0)
{
try
{
socket.close();
}
catch(Exception mn)
{
}
System.exit(0);
}
}
}
class Load extends Thread
{
public void run()
{
try
{
for(int i=0;i<=100;i++)
{
load.setValue(i);
Thread.sleep(10);
}
load.setVisible(false);
Log();
}
catch(Exception m)
{
m.printStackTrace();
}
}
}
public void Log()
{
try
{
port=Integer.parseInt(field3.getText());
socket=new Socket(field1.getText(),port);
indata=new DataInputStream(socket.getInputStream());
outdata=new DataOutputStream(socket.getOutputStream());
outdata.writeUTF(field2.getText());
String ss=indata.readUTF();
if(!(ss.equals(field2.getText())))
JOptionPane.showMessageDialog(null,ss);
else
{
label1.setVisible(false);
label2.setVisible(false);
label3.setVisible(false);
field1.setVisible(false);
field2.setVisible(false);
field3.setVisible(false);
sign.setVisible(false);
exit.setVisible(false);
label4.setVisible(true);
label5.setVisible(true);
label6.setVisible(true);
label7.setText(field2.getText());
label7.setVisible(true);
field4.setVisible(true);
send.setVisible(true);
out.setVisible(true);
pane.setVisible(true);
tmp.start();
}
}
catch(Exception mn)
{
if(port!=1990)
{
JOptionPane.showMessageDialog(null,"Wrong Port");
}
else
{
JOptionPane.showMessageDialog(null,"Wrong IP");
}
}
}
class listen extends Thread
{
public void run()
{
while(true)
try
{
DataInputStream indata=new DataInputStream(socket.getInputStream());
String s=indata.readUTF();
text.append(s+"\n");
}
catch(Exception e)
{
JOptionPane.showMessageDialog(null,"The Server Has Just Shut Down");
}
}
}
class APanel extends JPanel
{
ImageIcon aboutimage = null;
public APanel()
{
aboutimage=new ImageIcon("back.jpg");
setOpaque(false);
}
public void paint(Graphics g)
{
aboutimage.paintIcon(this, g, -300, 0);
super.paint(g);
}
public Dimension getPreferredSize()
{
return new Dimension(aboutimage.getIconWidth(),
aboutimage.getIconHeight());
}
}
}