Laporan multiclient chatting client server

PRAKTEK PEMROGRAMAN JARINGAN KOMPUTER

PROGRAM MULTICLIENT CHATTING CLIENT-SERVER

DENGAN MENGGUNAKAN BAHASA PEMROGRAMAN

JAVA BERBASIS GRAFIS

Oleh :

Nama : Tri Lestari

NIM : 061130701310

Kelas : 6 CD

JURUSAN TEKNIK KOMPUTER

POLITEKNIK NEGERI SRIWIJAYA

PALEMBANG

2014

PROGRAM MULTICLIENT CHATTING CLIENT-SERVER

DENGAN MENGGUNAKAN BAHASA PEMROGRAMAN

JAVA BERBASIS GRAFIS

Program ini merupakan aplikasi multiclient untuk client dan server denga

berbasis grafis. Berikut listing program MultiClient Chatting Client-Server

berbasis grafis (gambar).

A. ChatServer.java

import java.io.*;import java.net.*;import java.util.*;

public class ChatServer {private static int uniqueId;private ArrayList<ChatServer.ClientThread> clients;private int port;private boolean keepGoing;

public ChatServer() {this.port = 9999;clients = new ArrayList();

}

public void start() {keepGoing = true;try {

ServerSocket serverSocket = newServerSocket(port);

while (keepGoing) {

System.out.println("ChatServer waitingfor Clients on port " + port + ".");

Socket socket = serverSocket.accept();if (!keepGoing) {

break;}ChatServer.ClientThread t = new

ChatServer.ClientThread(socket);clients.add(t);t.start();send("login~" + t.username + "~" +

t.username + " sedang login...~Server~\n");}try {

serverSocket.close();for (int i = 0; i < clients.size();

++i) {ChatServer.ClientThread tc =

clients.get(i);try {

tc.sInput.close();tc.sOutput.close();tc.socket.close();

} catch (IOException ioE) {}

}} catch (Exception e) {

System.out.println("Exception closingthe server and clients: " + e);

}} catch (IOException e) {

String msg = "Exception on newServerSocket: " + e + "\n";

System.out.println(msg);}

}

private synchronized void send(String message) {for (int i = clients.size(); --i >= 0;) {

ChatServer.ClientThread ct =clients.get(i);

if (!ct.writeMsg(message)) {clients.remove(i);System.out.println("Disconnected Client

" + ct.username + " removed from list.");}

}}

private String getClients() {String s = "";for (ClientThread clientThread : clients) {

s += clientThread.username + ":";}s += "---";System.out.println(s);return s;

}

private synchronized void remove(int id) {for (int i = 0; i < clients.size(); ++i) {

ChatServer.ClientThread ct =clients.get(i);

if (ct.id == id) {clients.remove(i);return;

}}

}

public static void main(String[] args) {ChatServer server = new ChatServer();server.start();

}

private class ClientThread extends Thread {

private Socket socket;private ObjectInputStream sInput;private ObjectOutputStream sOutput;private int id;private String username;

public ClientThread(Socket socket) {id = ++uniqueId;this.socket = socket;System.out.println("Menciptakan Object

Input/Output Streams");try {

sOutput = newObjectOutputStream(socket.getOutputStream());

sInput = newObjectInputStream(socket.getInputStream());

String message = (String)sInput.readObject();

username = message.split("~")[1];System.out.println(username + "

masuk.");} catch (IOException e) {

System.out.println("Exception creatingnew Input/output Streams: " + e);

} catch (ClassNotFoundException e) {}

}

@Overridepublic void run() {

boolean keepGoing = true;while (keepGoing) {

String message;try {

message =sInput.readObject().toString();

} catch (IOException e) {System.out.println(username + "

Exception reading Streams: " + e);break;

} catch (ClassNotFoundException e2) {break;

}

String type = message.split("~")[0];String pengirim =

message.split("~")[1];String text = message.split("~")[2];String kepada = message.split("~")[3];String response;

switch (type) {case "postText":

response = "recieveText~" +pengirim + "~" + text + "~" + kepada + "~\n";

send(response);break;

case "postPrivateText":response =

"recievePrivateText~" + pengirim + "~" + text + "~" +kepada + "~\n";


case "login":response = "login~" + pengirim

+ "~" + text + "~" + kepada + "~\n";send(response);break;

case "logout":response = "logout~" + pengirim

+ "~" + text + "~" + kepada + "~\n";send(response);break;

case "list":

response = "list~server~" +getClients() + "~ ~ ~ ~ ~\n";


}}

remove(id);close();

}

private void close() {try {

if (sOutput != null) {sOutput.close();

}} catch (Exception e) {}try {

if (sInput != null) {sInput.close();


if (socket != null) {socket.close();

}} catch (Exception e) {}

}

private boolean writeMsg(String msg) {if (!socket.isConnected()) {

close();return false;

}try {

sOutput.writeObject(msg);} catch (IOException e) {

System.out.println("Error sendingmessage to " + username);

System.out.println(e.toString());}return true;

}}

}

B. ChatClient.java

import java.io.IOException;import java.io.ObjectInputStream;import java.io.ObjectOutputStream;import java.net.Socket;import java.util.ArrayList;import java.util.List;import java.util.logging.Level;import java.util.logging.Logger;import javax.swing.ImageIcon;import javax.swing.JLabel;import javax.swing.table.DefaultTableModel;

public class ChatClient extends javax.swing.JFrame {

/*** Creates new form ChatClient*/private ObjectInputStream input;private ObjectOutputStream output;private Socket socket;private String server, username;private int port;private List<String> clients;

public ChatClient() {clients = new ArrayList();initComponents();

}

public boolean start() {try {

socket = new Socket(server, port);} catch (Exception ec) {

System.out.println("Error connectiong toserver:" + ec);

return false;}

String msg = "Connection accepted " +socket.getInetAddress() + ":" + socket.getPort();

System.out.println(msg);

try {input = new

ObjectInputStream(socket.getInputStream());output = new

ObjectOutputStream(socket.getOutputStream());} catch (IOException eIO) {

System.out.println("Exception creating newInput/output Streams: " + eIO);

return false;}

new ChatClient.ListenFromServer().start();

try {output.writeObject("login~" + username +

"~" + username + " sedang login...~server~\n");output.writeObject("list~" + username + "~"

+ username + " sedang login...~server~\n");

} catch (IOException eIO) {System.out.println("Exception doing login :

" + eIO);disconnect();return false;

}

return true;}

private void disconnect() {try {

// TODO add your handling code here:output.writeObject("logout~" + username +

"~" + username + " sudah logout...~Server~\n");} catch (IOException ex) {

//Logger.getLogger(ChatClient.class.getName()).log(Level.SEVERE, null, ex);

}

try {if (input != null) {

input.close();}

} catch (Exception e) {}try {

if (output != null) {output.close();


if (socket != null) {socket.close();

}} catch (Exception e) {}

}

/**

* This method is called from within theconstructor to initialize the form.

* WARNING: Do NOT modify this code. The content ofthis method is always

* regenerated by the Form Editor.*/@SuppressWarnings("unchecked")// <editor-fold defaultstate="collapsed"

desc="Generated Code">private void initComponents() {

jScrollPane1 = new javax.swing.JScrollPane();viewTextArea = new javax.swing.JTextArea();jScrollPane2 = new javax.swing.JScrollPane();clientTable = new javax.swing.JTable();postTextField = new javax.swing.JTextField();kirimButton = new javax.swing.JButton();lbljpg = new javax.swing.JLabel(new

ImageIcon("E:/rara.jpg"));jLabel2 = new javax.swing.JLabel();serverTextField = new javax.swing.JTextField();jLabel3 = new javax.swing.JLabel();portTextField = new javax.swing.JTextField();masukButton = new javax.swing.JButton();jLabel4 = new javax.swing.JLabel();usernameTextField = new

javax.swing.JTextField();

setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);

viewTextArea.setEditable(false);viewTextArea.setColumns(20);viewTextArea.setLineWrap(true);viewTextArea.setRows(5);viewTextArea.setFocusable(false);jScrollPane1.setViewportView(viewTextArea);

jScrollPane2.setViewportView(clientTable);

postTextField.addActionListener(newjava.awt.event.ActionListener() {

public voidactionPerformed(java.awt.event.ActionEvent evt) {

postTextFieldActionPerformed(evt);}

});

kirimButton.setText("Kirim");kirimButton.addActionListener(new

java.awt.event.ActionListener() {public void

actionPerformed(java.awt.event.ActionEvent evt) {kirimButtonActionPerformed(evt);

}});

jLabel2.setText("Server");

serverTextField.setText("10.17.0.0");

jLabel3.setText("Port");

portTextField.setText("9999");

masukButton.setText("Masuk");masukButton.addActionListener(new

java.awt.event.ActionListener() {public void

actionPerformed(java.awt.event.ActionEvent evt) {masukButtonActionPerformed(evt);

}});

jLabel4.setText("Username");

usernameTextField.setText("Rara Ariesta");

javax.swing.GroupLayout layout = newjavax.swing.GroupLayout(getContentPane());

getContentPane().setLayout(layout);layout.setHorizontalGroup(

layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)

.addGroup(layout.createSequentialGroup().addContainerGap()

.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)

.addGroup(layout.createSequentialGroup()


.addGroup(javax.swing.GroupLayout.Alignment.TRAILING,layout.createSequentialGroup()

.addComponent(postTextField)

.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)

.addComponent(kirimButton))

.addComponent(jScrollPane1))


.addComponent(jScrollPane2,javax.swing.GroupLayout.PREFERRED_SIZE, 259,javax.swing.GroupLayout.PREFERRED_SIZE))

.addGroup(layout.createSequentialGroup().addComponent(lbljpg).addComponent(jLabel2)


.addComponent(serverTextField,javax.swing.GroupLayout.PREFERRED_SIZE, 167,javax.swing.GroupLayout.PREFERRED_SIZE)

.addGap(18, 18, 18)

.addComponent(jLabel3)


.addComponent(portTextField,javax.swing.GroupLayout.PREFERRED_SIZE, 46,javax.swing.GroupLayout.PREFERRED_SIZE)

.addGap(18, 18, 18)



.addComponent(usernameTextField,javax.swing.GroupLayout.DEFAULT_SIZE, 194,Short.MAX_VALUE)


.addComponent(masukButton))).addContainerGap())

);layout.setVerticalGroup(

layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)

.addGroup(javax.swing.GroupLayout.Alignment.TRAILING,layout.createSequentialGroup()

.addContainerGap()

.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)

.addComponent(lbljpg)


.addComponent(serverTextField,javax.swing.GroupLayout.PREFERRED_SIZE,javax.swing.GroupLayout.DEFAULT_SIZE,javax.swing.GroupLayout.PREFERRED_SIZE)


.addComponent(portTextField,javax.swing.GroupLayout.PREFERRED_SIZE,javax.swing.GroupLayout.DEFAULT_SIZE,javax.swing.GroupLayout.PREFERRED_SIZE)

.addComponent(masukButton)


.addComponent(usernameTextField,javax.swing.GroupLayout.PREFERRED_SIZE,javax.swing.GroupLayout.DEFAULT_SIZE,javax.swing.GroupLayout.PREFERRED_SIZE))



.addComponent(jScrollPane2,javax.swing.GroupLayout.Alignment.TRAILING,javax.swing.GroupLayout.DEFAULT_SIZE, 427,Short.MAX_VALUE)

.addGroup(layout.createSequentialGroup().addComponent(jScrollPane1)


.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)

.addComponent(postTextField,javax.swing.GroupLayout.PREFERRED_SIZE,javax.swing.GroupLayout.DEFAULT_SIZE,javax.swing.GroupLayout.PREFERRED_SIZE)

.addComponent(kirimButton)))).addContainerGap())

);

pack();}// </editor-fold>

private voidmasukButtonActionPerformed(java.awt.event.ActionEventevt) {

// TODO add your handling code here:this.server = serverTextField.getText();this.port = new

Integer(portTextField.getText());this.username = usernameTextField.getText();start();

}

private voidkirimButtonActionPerformed(java.awt.event.ActionEventevt) {

// TODO add your handling code here:try {

String message = "postText~" + username +"~" + postTextField.getText() + "~all~\n";

output.writeObject(message);postTextField.setText("");

} catch (IOException ex) {

Logger.getLogger(ChatClient.class.getName()).log(Level.SEVERE, null, ex);

}}

private voidpostTextFieldActionPerformed(java.awt.event.ActionEventevt) {

// TODO add your handling code here:kirimButtonActionPerformed(evt);

}

/*** @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 notavailable, stay with the default look and feel.

* For details seehttp://download.oracle.com/javase/tutorial/uiswing/lookandfeel/plaf.html

*/try {

for (javax.swing.UIManager.LookAndFeelInfoinfo :javax.swing.UIManager.getInstalledLookAndFeels()) {

if ("Nimbus".equals(info.getName())) {

javax.swing.UIManager.setLookAndFeel(info.getClassName());

break;}

}} catch (ClassNotFoundException ex) {

java.util.logging.Logger.getLogger(ChatClient.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);

} catch (InstantiationException ex) {


} catch (IllegalAccessException ex) {


} catch(javax.swing.UnsupportedLookAndFeelException ex) {


}//</editor-fold>

/* Create and display the form */java.awt.EventQueue.invokeLater(new Runnable()

{@Overridepublic void run() {

new ChatClient().setVisible(true);}

});}// Variables declaration - do not modifyprivate javax.swing.JTable clientTable;private javax.swing.JLabel jLabel2;private javax.swing.JLabel jLabel3;private javax.swing.JLabel jLabel4;private javax.swing.JScrollPane jScrollPane1;private javax.swing.JScrollPane jScrollPane2;private javax.swing.JButton kirimButton;private javax.swing.JButton masukButton;private javax.swing.JTextField portTextField;private javax.swing.JTextField postTextField;private javax.swing.JTextField serverTextField;private javax.swing.JTextField usernameTextField;

private javax.swing.JTextArea viewTextArea;private JLabel lbljpg ;// End of variables declaration

class ListenFromServer extends Thread {

@Overridepublic void run() {

while (true) {try {

String msg = (String)input.readObject();

String res;String type = msg.split("~")[0];String pengirim =

msg.split("~")[1];String text = msg.split("~")[2];String kepada = msg.split("~")[3];switch (type) {

case "recieveText":res = pengirim + ": " +

text;

viewTextArea.setText(viewTextArea.getText() + res +"\n");

break;case "recievePrivateText":

res = pengirim + ": " +text;

if(kepada.equals(username)) {

viewTextArea.setText(viewTextArea.getText() + res +"\n");

}break;

case "login":

viewTextArea.setText(viewTextArea.getText() + pengirim+ " sudah login..." + "\n");

clients.add(pengirim);break;

case "logout":

viewTextArea.setText(viewTextArea.getText() + pengirim+ " telah logout..." + "\n");

clients.remove(pengirim);break;

case "list":setTable(text);break;

}} catch (IOException e) {

System.out.println("Server hasclose the connection: " + e);

break;} catch (ClassNotFoundException e2) {}

}}

private void setTable(String text) {

int rows = text.split(":").length - 1;Object[][] data = new Object[rows][1];for (int i = 0; i < rows; i++) {

String t = text.split(":")[i];data[i][0] = t;

}

String[] header = {"Clients"};

clientTable.setModel(newDefaultTableModel(data, header));

}}

}Pastikan kita sudah terhubung ke internet. Hasil compile dari program ini

adalah berikut:

Laporan multiclient chatting client server

Software