tugas kuliah

1. /*
* To change this template, choose Tools | Templates
* and open the template in the editor.
*/
package syarifchatting;
import java.awt.Color;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.io.PrintWriter;
import java.net.ServerSocket;
import java.net.Socket;
import java.net.UnknownHostException;
import java.text.Normalizer.Form;
import java.util.Scanner;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.swing.JColorChooser;
import javax.swing.JOptionPane;
/**
* @author MhdSyarif
* Monday, 13 January 2014, 20 : 52 : 20 WIB
* Tugas III Matakulia Java2SE

2. * Mhd. Syarif | 49013075
* TKJMD - STEI - ITB
*/
public class Server extends javax.swing.JFrame implements Runnable{
int port= 8080;
Socket client;
ServerSocket server;
BufferedReader Server_Reader, Client_Reader;
BufferedWriter Server_Writer, Client_Writer;
/**
* Creates new form Server
*/
public Server() {
super("www.mhdsyarif.com"); //SetTitle
initComponents();
//Menampilkan hasil ditengah window
java.awt.Dimension screenSize = java.awt.Toolkit.getDefaultToolkit().getScreenSize();
java.awt.Dimension dialogSize = getSize();
setLocation((screenSize.width-dialogSize.width)/2,(screenSize.height-dialogSize.height)/2);
}
//Pilihan ComboBox
private void getComboBox(){
if(ComboBox.getSelectedItem().equals("Server")){
ButtonOn.setText("On");

3. Username.setText("Server");
}else{
ButtonOn.setText("Connect");
Username.setText("Client");
}
}
//Koneksi client ke server
private void getClientConnec(){
try {
String ip = JOptionPane.showInputDialog(" Input IP Address");
client = new Socket(ip, port);
ComboBox.setEnabled(false);
ButtonOn.setText("Disconnect");
Server_Reader = new BufferedReader(new InputStreamReader(client.getInputStream()));
Server_Writer = new BufferedWriter (new OutputStreamWriter(client.getOutputStream()));
} catch (UnknownHostException ex) {
System.out.println("Accept Failed");
System.exit(-1);
} catch (IOException ex) {
Logger.getLogger(Form.class.getName()).log(Level.SEVERE, null, ex);
}
}
private void getReadConnec(){
// try {
// try {

4. // try {
// server = new ServerSocket(port);
// this.setTitle("Please Wait");
// } catch (IOException ex) {
// System.out.println("Could not listen");
// System.exit(-1);
// }
// client = server.accept();
// this.setTitle("Connected" + client.getInetAddress());
// } catch (IOException ex) {
// System.out.println("Accept Failed");
// System.exit(-1);
// }
// Server_Reader = new BufferedReader(new InputStreamReader(client.getInputStream()));
// Server_Writer = new BufferedWriter(new OutputStreamWriter(client.getOutputStream()));
// } catch (IOException ex) {
// System.out.println("Read Failed");
// System.exit(-1);
// }
final int PORT = 8080;
try {
server = new ServerSocket(PORT);
} catch (IOException ex) {

5. Logger.getLogger(Server.class.getName()).log(Level.SEVERE, null, ex);
}
System.out.println("Server started...");
System.out.println("Wating for clients...");
while (true) {
try {
client = server.accept();
} catch (IOException ex) {
Logger.getLogger(Server.class.getName()).log(Level.SEVERE, null, ex);
}
Thread t = new Thread() {
public void run() {
try {
Server_Reader = new BufferedReader(new
InputStreamReader(client.getInputStream()));
} catch (IOException ex) {
Logger.getLogger(Server.class.getName()).log(Level.SEVERE, null, ex);
}
try {
Server_Writer = new BufferedWriter (new
OutputStreamWriter(client.getOutputStream()));
} catch (IOException ex) {
Logger.getLogger(Server.class.getName()).log(Level.SEVERE, null, ex);
}
try (
PrintWriter out = new PrintWriter(client.getOutputStream(), true);

6. Scanner in = new Scanner(client.getInputStream());
) {
while (in.hasNextLine()) {
String input = in.nextLine();
if (input.equalsIgnoreCase("exit")) {
break;
}
System.out.println("Received radius from client: " + input);
// double radius = Double.valueOf(input);
// double area = Math.PI* radius *radius ;
// out.println(area);
}
} catch (IOException e) { }
}
};
t.start();
}
}
private void getDisconnectedClient(){
try {
client.close();
Server_Reader.close();
Server_Writer.close();
ComboBox.setEnabled(true);

7. ButtonOn.setText("Connect");
} catch (IOException ex) {
Logger.getLogger(Form.class.getName()).log(Level.SEVERE, null, ex);
}
}
private void getDisconnectedServer(){
try {
Server_Reader.close();
Server_Writer.close();
ButtonOn.setText("On");
this.setTitle("Disconected");
} catch (IOException ex) {
Logger.getLogger(Form.class.getName()).log(Level.SEVERE, null, ex);
}
}
private void getButtonOn(){
if(ButtonOn.getText().equals("Connect"))
{
ButtonOn.setText("DIsconnect");
getClientConnec();
Thread thread1= new Thread(this);
Thread thread2= new Thread(this);
Thread thread3= new Thread(this);
Thread thread4= new Thread(this);
Thread thread5= new Thread(this);

8. Thread thread6= new Thread(this);
Thread thread7= new Thread(this);
Thread thread8= new Thread(this);
Thread thread9= new Thread(this);
Thread thread10= new Thread(this);
thread1.start();
thread2.start();
thread3.start();
thread4.start();
thread5.start();
thread6.start();
thread7.start();
thread8.start();
thread9.start();
thread10.start();
} else if(ComboBox.getSelectedItem().equals("Server")){
ButtonOn.setText("Off");
getReadConnec();
Thread thread1= new Thread(this);
Thread thread2= new Thread(this);
Thread thread3= new Thread(this);
Thread thread4= new Thread(this);
Thread thread5= new Thread(this);
Thread thread6= new Thread(this);
Thread thread7= new Thread(this);
Thread thread8= new Thread(this);
Thread thread9= new Thread(this);

9. Thread thread10= new Thread(this);
thread1.start();
thread2.start();
thread3.start();
thread4.start();
thread5.start();
thread6.start();
thread7.start();
thread8.start();
thread9.start();
thread10.start();
}else if(ButtonOn.getText().equals("Disconnect")){
getDisconnectedClient();
}else if(ButtonOn.getText().equals("Off")){
getDisconnectedServer();
}
}
private void getSend(){
try {
Server_Writer.write(Username.getText()+ ": " +TextChat.getText());
Server_Writer.newLine();
Server_Writer.flush();
} catch (IOException ex) {
Logger.getLogger(Form.class.getName()).log(Level.SEVERE, null, ex);
}
ListChat.add(Username.getText()+ ": " +TextChat.getText());

10. //jClient.setText(Username.getText());
TextChat.setText("");
}
//Background color
public void getBackgroundColor(){
Color c = JColorChooser.showDialog(null,"Background Color",jPanel.getBackground());
jPanel.setBackground(c);
}
//Konfirmasi keluar
public void getExit(){
int confirm =JOptionPane.showConfirmDialog(this,"Are you sure will exit this application ?","Exit
Application",JOptionPane.YES_NO_OPTION,JOptionPane.QUESTION_MESSAGE);
if (confirm == JOptionPane.YES_OPTION){
System.exit(0);
}
}
/**
* This method is called from within the constructor to initialize the form.
* WARNING: Do NOT modify this code. The content of this method is always
* regenerated by the Form Editor.
*/
@SuppressWarnings("unchecked")
// <editor-fold defaultstate="collapsed" desc="Generated Code">
private void initComponents() {

11. Dialog = new javax.swing.JDialog();
ColorChooser = new javax.swing.JColorChooser();
jPanel = new javax.swing.JPanel();
ComboBox = new javax.swing.JComboBox();
ButtonOn = new javax.swing.JButton();
Send = new javax.swing.JToggleButton();
JUsername = new javax.swing.JLabel();
Username = new javax.swing.JTextField();
TextChat = new java.awt.TextArea();
ListChat = new java.awt.List();
jMenuBar1 = new javax.swing.JMenuBar();
File = new javax.swing.JMenu();
BackgroundColor = new javax.swing.JMenuItem();
Exit = new javax.swing.JMenuItem();
Help = new javax.swing.JMenu();
About = new javax.swing.JMenuItem();
javax.swing.GroupLayout DialogLayout = new
javax.swing.GroupLayout(Dialog.getContentPane());
Dialog.getContentPane().setLayout(DialogLayout);
DialogLayout.setHorizontalGroup(
DialogLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(DialogLayout.createSequentialGroup()
.addContainerGap()
.addComponent(ColorChooser, javax.swing.GroupLayout.PREFERRED_SIZE, 601,
javax.swing.GroupLayout.PREFERRED_SIZE)
.addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
);

12. DialogLayout.setVerticalGroup(
DialogLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(DialogLayout.createSequentialGroup()
.addContainerGap()
.addComponent(ColorChooser, javax.swing.GroupLayout.PREFERRED_SIZE, 316,
javax.swing.GroupLayout.PREFERRED_SIZE)
.addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
);
setDefaultCloseOperation(javax.swing.WindowConstants.DISPOSE_ON_CLOSE);
setBackground(new java.awt.Color(204, 204, 204));
setResizable(false);
jPanel.setBackground(new java.awt.Color(204, 204, 204));
ComboBox.setModel(new javax.swing.DefaultComboBoxModel(new String[] { "Server", "Client"
}));
ComboBox.setToolTipText("");
ComboBox.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
ComboBoxActionPerformed(evt);
}
});
ButtonOn.setText("On");
ButtonOn.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
ButtonOnActionPerformed(evt);

13. }
});
Send.setText("SEND");
Send.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
SendActionPerformed(evt);
}
});
JUsername.setText("Username");
Username.setText("Server");
javax.swing.GroupLayout jPanelLayout = new javax.swing.GroupLayout(jPanel);
jPanel.setLayout(jPanelLayout);
jPanelLayout.setHorizontalGroup(
jPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(jPanelLayout.createSequentialGroup()
.addContainerGap()
.addGroup(jPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(jPanelLayout.createSequentialGroup()
.addGroup(jPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
.addGroup(jPanelLayout.createSequentialGroup()
.addComponent(JUsername)
.addGap(18, 18, 18)

14. .addComponent(Username, javax.swing.GroupLayout.PREFERRED_SIZE, 237,
javax.swing.GroupLayout.PREFERRED_SIZE))
.addComponent(ComboBox, 0, javax.swing.GroupLayout.DEFAULT_SIZE,
Short.MAX_VALUE))
.addGap(18, 18, 18)
.addComponent(ButtonOn, javax.swing.GroupLayout.DEFAULT_SIZE, 99,
Short.MAX_VALUE))
.addComponent(ListChat, javax.swing.GroupLayout.DEFAULT_SIZE,
javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
.addGroup(jPanelLayout.createSequentialGroup()
.addComponent(TextChat, javax.swing.GroupLayout.DEFAULT_SIZE,
javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(Send, javax.swing.GroupLayout.PREFERRED_SIZE, 74,
javax.swing.GroupLayout.PREFERRED_SIZE)))
.addContainerGap())
);
jPanelLayout.setVerticalGroup(
jPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(jPanelLayout.createSequentialGroup()
.addGap(18, 18, 18)
.addGroup(jPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(ComboBox, javax.swing.GroupLayout.PREFERRED_SIZE,
javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(ButtonOn))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
.addGroup(jPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(JUsername)

15. .addComponent(Username, javax.swing.GroupLayout.PREFERRED_SIZE,
javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(ListChat, javax.swing.GroupLayout.PREFERRED_SIZE, 179,
javax.swing.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addGroup(jPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING,
false)
.addComponent(TextChat, javax.swing.GroupLayout.PREFERRED_SIZE, 58,
javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(Send, javax.swing.GroupLayout.DEFAULT_SIZE,
javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
.addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
);
File.setText("File");
BackgroundColor.setText("Background Color");
BackgroundColor.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
BackgroundColorActionPerformed(evt);
}
});
File.add(BackgroundColor);
Exit.setAccelerator(javax.swing.KeyStroke.getKeyStroke(java.awt.event.KeyEvent.VK_W,
java.awt.event.InputEvent.CTRL_MASK));
Exit.setText("Exit");
Exit.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {

16. ExitActionPerformed(evt);
}
});
File.add(Exit);
jMenuBar1.add(File);
Help.setText("Help");
About.setText("About");
About.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
AboutActionPerformed(evt);
}
});
Help.add(About);
jMenuBar1.add(Help);
setJMenuBar(jMenuBar1);
javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
getContentPane().setLayout(layout);
layout.setHorizontalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(jPanel, javax.swing.GroupLayout.DEFAULT_SIZE,
javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
);

17. layout.setVerticalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(jPanel, javax.swing.GroupLayout.Alignment.TRAILING,
javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE,
Short.MAX_VALUE)
);
pack();
}// </editor-fold>
private void AboutActionPerformed(java.awt.event.ActionEvent evt) {
About a = new About();
a.setVisible(true);// TODO add your handling code here:
}
private void SendActionPerformed(java.awt.event.ActionEvent evt) {
getSend();// TODO add your handling code here:
}
private void ButtonOnActionPerformed(java.awt.event.ActionEvent evt) {
getButtonOn();
// TODO add your handling code here:
}
private void ComboBoxActionPerformed(java.awt.event.ActionEvent evt) {
getComboBox();
}

18. private void ExitActionPerformed(java.awt.event.ActionEvent evt) {
getExit();// TODO add your handling code here:
}
private void BackgroundColorActionPerformed(java.awt.event.ActionEvent evt) {
getBackgroundColor();// TODO add your handling code here:
}
/**
* @param args the command line arguments
*/
public static void main(String args[]) {
/* Set the Nimbus look and feel */
//<editor-fold defaultstate="collapsed" desc=" Look and feel setting code (optional) ">
/* If Nimbus (introduced in Java SE 6) is not available, stay with the default look and feel.
* For details see http://download.oracle.com/javase/tutorial/uiswing/lookandfeel/plaf.html
*/
try {
for (javax.swing.UIManager.LookAndFeelInfo info :
javax.swing.UIManager.getInstalledLookAndFeels()) {
if ("Nimbus".equals(info.getName())) {
javax.swing.UIManager.setLookAndFeel(info.getClassName());
break;
}
}
} catch (ClassNotFoundException ex) {
java.util.logging.Logger.getLogger(Server.class.getName()).log(java.util.logging.Level.SEVERE,
null, ex);

19. } catch (InstantiationException ex) {
java.util.logging.Logger.getLogger(Server.class.getName()).log(java.util.logging.Level.SEVERE,
null, ex);
} catch (IllegalAccessException ex) {
java.util.logging.Logger.getLogger(Server.class.getName()).log(java.util.logging.Level.SEVERE,
null, ex);
} catch (javax.swing.UnsupportedLookAndFeelException ex) {
java.util.logging.Logger.getLogger(Server.class.getName()).log(java.util.logging.Level.SEVERE,
null, ex);
}
//</editor-fold>
/* Create and display the form */
java.awt.EventQueue.invokeLater(new Runnable() {
public void run() {
new Server().setVisible(true);
}
});
}
// Variables declaration - do not modify
private javax.swing.JMenuItem About;
private javax.swing.JMenuItem BackgroundColor;
private javax.swing.JButton ButtonOn;
private javax.swing.JColorChooser ColorChooser;
private javax.swing.JComboBox ComboBox;
private javax.swing.JDialog Dialog;
private javax.swing.JMenuItem Exit;
private javax.swing.JMenu File;
private javax.swing.JMenu Help;

20. private javax.swing.JLabel JUsername;
private java.awt.List ListChat;
private javax.swing.JToggleButton Send;
private java.awt.TextArea TextChat;
private javax.swing.JTextField Username;
private javax.swing.JMenuBar jMenuBar1;
private javax.swing.JPanel jPanel;
// End of variables declaration
@Override
public void run()
{
try {
ListChat.add(Server_Reader.readLine());
} catch (IOException ex) {
Logger.getLogger(Form.class.getName()).log(Level.SEVERE, null, ex);
}
}
}

21. Keterangan : permasalahan saat di RUN aplikasi sudah berhasil dijalankan,akan tetapi hanya bisa
1 server dan 1 client saja akan tetapi tidak bisa lebih. Dan telah muncul dilast text saat mengirim
cahttingan
Server hanya bisa menerima 1 client saja, jika lebih tidak muncur di list text