![Hi, I need some one to help me with "Design a client-server Chat software using java or C, the
software should have sign up new user,and sign in user, send text, send file, and join chat room"
the more features the software has the better. tnx History u Messenge Serve server Database File
9/14/2012 9:01 PM XML Document 9/14/2012 10:33 AM Executable Jar File 9/14/2012 10:34
AM Executable Jar File Browse... Start Server 1 KB 48 KB Messenger Host Address localhost
Username Anurag History File ssage File Host Port 13000 Password Connect Sign Up Show
Send Message
Solution
Server Class
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import java.io.*;
import java.net.*;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.*;
import java.util.zip.GZIPOutputStream;
import javax.swing.SwingUtilities;
public class Server extends JFrame implements ActionListener {
public JList online;
private JTextField ipaddress, textMessage;
private JButton send, start, disconnect;
private JTextArea chatArea;
private JLabel port;
int client[] = new int[100];
private ObjectOutputStream out[] = new ObjectOutputStream[client.length+ 1];
private ObjectInputStream in[] = new ObjectInputStream[client.length+ 1];
String username[] = new String[client.length+1];
static String b;
public String nm, usm;
private ServerSocket server;
private Socket connect;](https://image.slidesharecdn.com/hiineedsomeonetohelpmewithdesignaclient-serverchatso-230905013107-1632a4ad/85/Hi-I-need-some-one-to-help-me-with-Design-a-client-server-Chat-so-pdf-1-320.jpg)
![}
public void run() {
while (true) {
try {
try {
WaitClient();
} catch (Exception ex) {
break;
}
for (int i = 0; i < client.length; i++) {
if (client[i] == 0) {
client[i] = i + 1;
id = i;
break;
}
}
out[client[id]] = new ObjectOutputStream(connect.getOutputStream());
out[client[id]].flush();
in[client[id]] = new ObjectInputStream(connect.getInputStream());
chatArea.append(d + " Client:[" + client[id] + "] : Connected successful ");
sendUser(client[id], "Connected to the server");
ChatMessage cm = (ChatMessage) in[client[id]].readObject();
handle(client[id], cm);
} catch (Exception e) {
e.printStackTrace();
}
}
}](https://image.slidesharecdn.com/hiineedsomeonetohelpmewithdesignaclient-serverchatso-230905013107-1632a4ad/85/Hi-I-need-some-one-to-help-me-with-Design-a-client-server-Chat-so-pdf-4-320.jpg)
![}
public synchronized void handle(int num, ChatMessage cm){
if(cm.type.equals("login")){
username[client[findClient(num)]] = cm.sender;
send(client[findClient(num)], new ChatMessage("login", "SERVER", "TRUE",
cm.sender));
Announce("newuser", "SERVER", cm.sender);
SendUserList(cm.sender);
}else if(cm.type.equals("message")){
if(cm.recipient.equals("All")){
Announce("message", cm.sender, cm.content);
}
else{
send(findUserThread(cm.recipient), new ChatMessage(cm.type, cm.sender,
cm.content, cm.recipient));
send(client[findClient(num)], new ChatMessage(cm.type, cm.sender, cm.content,
cm.recipient));
}
}
}
public void SendUserList(String toWhom){
for(int i = 0; i < id; i++){
send(findUserThread(toWhom), new ChatMessage("newuser", "SERVER",
username[client[i]], toWhom));
}
}
public int findUserThread(String usr){](https://image.slidesharecdn.com/hiineedsomeonetohelpmewithdesignaclient-serverchatso-230905013107-1632a4ad/85/Hi-I-need-some-one-to-help-me-with-Design-a-client-server-Chat-so-pdf-5-320.jpg)
![for(int i = 0; i < id; i++){
if(username[client[i]].equals(usr)){
return client[i];
}
}
return id;
}
private int findClient(int n){
for (int i = 0; i < id; i++){
if (client[i] == n){
return client[i];
}
}
return id;
}
private void WaitClient() throws IOException {
chatArea.append(d + " : Waiting for connection... ");
connect = server.accept();
chatArea.append(d + " : Now connected to " + connect.getInetAddress().getHostName() +
" ");
}
//send message to specific user
public void send(int number, ChatMessage cm) {
try {
out[number].writeObject(cm);
out[number].flush();](https://image.slidesharecdn.com/hiineedsomeonetohelpmewithdesignaclient-serverchatso-230905013107-1632a4ad/85/Hi-I-need-some-one-to-help-me-with-Design-a-client-server-Chat-so-pdf-6-320.jpg)
![} catch (Exception e) {
}
}
public void sendUser(int number, String info) {
try {
out[number].writeObject(info);
out[number].flush();
} catch (Exception e) {
}
}
public void Announce(String type, String sender, String content){
ChatMessage cm = new ChatMessage(type, sender, content, "All");
for(int i = 0; i < id; i++){
send(client[i], cm);
}
}
public void actionPerformed(ActionEvent e) {
if (e.getSource() == send) {
} else if (e.getSource() == start) {
Start();
}
if (e.getSource() == disconnect) {
}
}
}
Main class
import java.io.*;
import java.net.*;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Date;
import java.io.BufferedOutputStream;](https://image.slidesharecdn.com/hiineedsomeonetohelpmewithdesignaclient-serverchatso-230905013107-1632a4ad/85/Hi-I-need-some-one-to-help-me-with-Design-a-client-server-Chat-so-pdf-7-320.jpg)
![model.addElement(group);
online.setSelectedIndex(0);
send(new ChatMessage("test", "testUser", "testContent", "SERVER"));
}
private void sendActionPerformed(java.awt.event.ActionEvent evt) {
String z = textMessage.getText();
String target = online.getSelectedValue().toString();
if(!z.isEmpty() && !target.isEmpty()){
textMessage.setText("");
send(new ChatMessage("message", username, z, target));
}
}
private void uploadActionPerformed(java.awt.event.ActionEvent evt) {
JFileChooser fileChooser = new JFileChooser();
fileChooser.showDialog(this, "Select File");
file = fileChooser.getSelectedFile();
if (file != null) {
if (!file.getName().isEmpty()) {
String str;
if (filename.getText().length() > 30) {
String t = file.getPath();
str = t.substring(0, 20) + " [...] " + t.substring(t.length() - 20, t.length());
} else {
str = file.getPath();
}
filename.setText(str);
}
}
}
private void jButton3ActionPerformed(java.awt.event.ActionEvent evt) {](https://image.slidesharecdn.com/hiineedsomeonetohelpmewithdesignaclient-serverchatso-230905013107-1632a4ad/85/Hi-I-need-some-one-to-help-me-with-Design-a-client-server-Chat-so-pdf-13-320.jpg)
![long size = file.length();
if (size < 120 * 1024 * 1024) {
send(new ChatMessage("upload_req", username, file.getName(),
online.getSelectedValue().toString()));
} else {
chatArea.append("File is size too large ");
}
}
private void stopActionPerformed(java.awt.event.ActionEvent evt) {//GEN-
FIRST:event_stopActionPerformed
//
if (!username.isEmpty()) {
send(new ChatMessage("logout", username, password, "SERVER"));
}
}
private void loginActionPerformed(java.awt.event.ActionEvent evt) {//GEN-
FIRST:event_loginActionPerformed
username = usernm.getText();
password = passwordfield.getText();
if(!username.isEmpty() && !password.isEmpty()){
send(new ChatMessage("login", username, password, "SERVER"));
}
}
public static void main(String args[]) {
try {
for (javax.swing.UIManager.LookAndFeelInfo info :
javax.swing.UIManager.getInstalledLookAndFeels()) {
if ("Nimbus".equals(info.getName())) {
javax.swing.UIManager.setLookAndFeel(info.getClassName());
break;
}
}](https://image.slidesharecdn.com/hiineedsomeonetohelpmewithdesignaclient-serverchatso-230905013107-1632a4ad/85/Hi-I-need-some-one-to-help-me-with-Design-a-client-server-Chat-so-pdf-14-320.jpg)
![ClientThread() {
t = new Thread(this, "RunClient");
t.start();
}
public void run() {
try {
try {
out = new ObjectOutputStream(join.getOutputStream());
out.flush();
in = new ObjectInputStream(join.getInputStream());
b = (String) in.readObject();
chatArea.append(b + " ");
chatArea.setCaretPosition(chatArea.getText().length());
} catch (Exception e) { }
CThread c1 = new CThread();
} catch (Exception ex) { }
}
}
class CThread implements Runnable {
CThread ob1;
Thread t;
CThread() {
t = new Thread(this, "Message");
t.start();
}
public void run() {
try {
do {
try {
ChatMessage cm = (ChatMessage) in.readObject();
System.out.println("Incoming : "+cm.toString());
if(cm.type.equals("login")){
if(cm.content.equals("TRUE")){
chatArea.append("[SERVER > Me] : Login Successful ");](https://image.slidesharecdn.com/hiineedsomeonetohelpmewithdesignaclient-serverchatso-230905013107-1632a4ad/85/Hi-I-need-some-one-to-help-me-with-Design-a-client-server-Chat-so-pdf-17-320.jpg)
![} else{
chatArea.append("[SERVER > Me] : Login Failed ");
}
} else if(cm.type.equals("test")){
start.setEnabled(false);
}else if(cm.type.equals("message")){
if(cm.recipient.equals(username)){
chatArea.append("["+cm.sender +" > Me] : " + cm.content + " ");
}
else{
chatArea.append("["+ cm.sender +" > "+ cm.recipient +"] : " + cm.content +
" ");
}
}else if(cm.type.equals("newuser")){
online.setModel(model);
model.addElement(cm.content);
}else if(cm.type.equals("upload_req")){
JFileChooser jf = new JFileChooser();
jf.setSelectedFile(new File(cm.content));
int returnVal = jf.showSaveDialog(this);
String saveTo = jf.getSelectedFile().getPath();
if(saveTo != null && returnVal == JFileChooser.APPROVE_OPTION){
Download dwn = new Download(saveTo);
Thread t = new Thread(dwn);
t.start();
send(new ChatMessage("upload_res", username,
(""+dwn.port), cm.sender));
}
else{
send(new ChatMessage("upload_res", username, "NO", cm.sender));
}](https://image.slidesharecdn.com/hiineedsomeonetohelpmewithdesignaclient-serverchatso-230905013107-1632a4ad/85/Hi-I-need-some-one-to-help-me-with-Design-a-client-server-Chat-so-pdf-18-320.jpg)
![}
else if(cm.type.equals("upload_res")){
if(!cm.content.equals("NO")){
int port = Integer.parseInt(cm.content);
String addr = cm.sender;
Upload upl = new Upload(serverAddr, port, file);
Thread t = new Thread(upl);
t.start();
}
else{
chatArea.append("[SERVER > Me] : "+cm.sender+" rejected file request ");
}
}
else{
chatArea.append("[SERVER > Me] : Unknown message type ");
}
} catch (Exception ex) {
chatArea.append("Server is disconnected" + " ");
try {
in.close();
out.close();
join.close();
} catch (Exception ex2) { }
}
} while (!b.equalsIgnoreCase("bye"));
} catch (Exception ex) {
}
}
}
void send(ChatMessage cm) {
try {
out.writeObject(cm);](https://image.slidesharecdn.com/hiineedsomeonetohelpmewithdesignaclient-serverchatso-230905013107-1632a4ad/85/Hi-I-need-some-one-to-help-me-with-Design-a-client-server-Chat-so-pdf-19-320.jpg)
Hi, I need some one to help me with Design a client-server Chat so.pdf
- 1. Hi, I need some one to help me with "Design a client-server Chat software using java or C, the software should have sign up new user,and sign in user, send text, send file, and join chat room" the more features the software has the better. tnx History u Messenge Serve server Database File 9/14/2012 9:01 PM XML Document 9/14/2012 10:33 AM Executable Jar File 9/14/2012 10:34 AM Executable Jar File Browse... Start Server 1 KB 48 KB Messenger Host Address localhost Username Anurag History File ssage File Host Port 13000 Password Connect Sign Up Show Send Message Solution Server Class import java.awt.*; import java.awt.event.*; import javax.swing.*; import java.io.*; import java.net.*; import java.text.SimpleDateFormat; import java.util.Date; import java.util.*; import java.util.zip.GZIPOutputStream; import javax.swing.SwingUtilities; public class Server extends JFrame implements ActionListener { public JList online; private JTextField ipaddress, textMessage; private JButton send, start, disconnect; private JTextArea chatArea; private JLabel port; int client[] = new int[100]; private ObjectOutputStream out[] = new ObjectOutputStream[client.length+ 1]; private ObjectInputStream in[] = new ObjectInputStream[client.length+ 1]; String username[] = new String[client.length+1]; static String b; public String nm, usm; private ServerSocket server; private Socket connect;
- 2. boolean success = true; int id=0; ArrayList UserList = new ArrayList(); public Server() { Container c = getContentPane(); c.setLayout(new BorderLayout()); c.setPreferredSize(new Dimension(650, 500)); JPanel p = new JPanel(); p.setLayout(new FlowLayout()); p.setBackground(Color.LIGHT_GRAY); p.add(port = new JLabel("Port No")); p.add(ipaddress = new JTextField("1500")); p.add(start = new JButton("START")); p.add(disconnect = new JButton("DISCONNECT")); disconnect.setEnabled(false); start.setBorderPainted(false); start.setBackground(Color.yellow); start.setForeground(Color.WHITE); disconnect.setBorderPainted(false); disconnect.setBackground(Color.yellow); disconnect.setForeground(Color.WHITE); ipaddress.setCaretPosition(0); JPanel p1 = new JPanel(); p1.setLayout(new FlowLayout()); p1.setBackground(Color.LIGHT_GRAY); p1.add(chatArea = new JTextArea()); chatArea.setPreferredSize(new Dimension(300, 350)); chatArea.setLineWrap(true); chatArea.setEditable(false); JPanel p2 = new JPanel(); p2.setLayout(new FlowLayout()); p2.setBackground(Color.LIGHT_GRAY); p2.add(textMessage = new JTextField(20)); p2.add(send = new JButton("SEND"));
- 3. send.setBackground(Color.blue); send.setForeground(Color.WHITE); send.setBorderPainted(false); start.addActionListener(this); send.addActionListener(this); c.add(p, BorderLayout.NORTH); c.add(p1, BorderLayout.CENTER); c.add(p2, BorderLayout.SOUTH); } SimpleDateFormat log = new SimpleDateFormat("HH:mm"); String d = log.format(new Date()); public void Start() { int portNo = 0; try { String no = ipaddress.getText(); portNo = Integer.parseInt(no); chatArea.append("Connection to port " + portNo + "... "); server = new ServerSocket(portNo); success = true; } catch (Exception ex) { chatArea.append("Error cannot bind to port "); success = false; } if (success == true) { addClient ob1 = new addClient("RunServer"); start.setEnabled(false); disconnect.setEnabled(true); } } public class addClient implements Runnable { Thread t; addClient(String tot) { t = new Thread(this, tot); t.start();
- 4. } public void run() { while (true) { try { try { WaitClient(); } catch (Exception ex) { break; } for (int i = 0; i < client.length; i++) { if (client[i] == 0) { client[i] = i + 1; id = i; break; } } out[client[id]] = new ObjectOutputStream(connect.getOutputStream()); out[client[id]].flush(); in[client[id]] = new ObjectInputStream(connect.getInputStream()); chatArea.append(d + " Client:[" + client[id] + "] : Connected successful "); sendUser(client[id], "Connected to the server"); ChatMessage cm = (ChatMessage) in[client[id]].readObject(); handle(client[id], cm); } catch (Exception e) { e.printStackTrace(); } } }
- 5. } public synchronized void handle(int num, ChatMessage cm){ if(cm.type.equals("login")){ username[client[findClient(num)]] = cm.sender; send(client[findClient(num)], new ChatMessage("login", "SERVER", "TRUE", cm.sender)); Announce("newuser", "SERVER", cm.sender); SendUserList(cm.sender); }else if(cm.type.equals("message")){ if(cm.recipient.equals("All")){ Announce("message", cm.sender, cm.content); } else{ send(findUserThread(cm.recipient), new ChatMessage(cm.type, cm.sender, cm.content, cm.recipient)); send(client[findClient(num)], new ChatMessage(cm.type, cm.sender, cm.content, cm.recipient)); } } } public void SendUserList(String toWhom){ for(int i = 0; i < id; i++){ send(findUserThread(toWhom), new ChatMessage("newuser", "SERVER", username[client[i]], toWhom)); } } public int findUserThread(String usr){
- 6. for(int i = 0; i < id; i++){ if(username[client[i]].equals(usr)){ return client[i]; } } return id; } private int findClient(int n){ for (int i = 0; i < id; i++){ if (client[i] == n){ return client[i]; } } return id; } private void WaitClient() throws IOException { chatArea.append(d + " : Waiting for connection... "); connect = server.accept(); chatArea.append(d + " : Now connected to " + connect.getInetAddress().getHostName() + " "); } //send message to specific user public void send(int number, ChatMessage cm) { try { out[number].writeObject(cm); out[number].flush();
- 7. } catch (Exception e) { } } public void sendUser(int number, String info) { try { out[number].writeObject(info); out[number].flush(); } catch (Exception e) { } } public void Announce(String type, String sender, String content){ ChatMessage cm = new ChatMessage(type, sender, content, "All"); for(int i = 0; i < id; i++){ send(client[i], cm); } } public void actionPerformed(ActionEvent e) { if (e.getSource() == send) { } else if (e.getSource() == start) { Start(); } if (e.getSource() == disconnect) { } } } Main class import java.io.*; import java.net.*; import java.text.SimpleDateFormat; import java.util.ArrayList; import java.util.Date; import java.io.BufferedOutputStream;
- 8. import java.io.DataOutputStream; import java.io.File; import java.io.FileOutputStream; import javax.swing.DefaultListModel; import javax.swing.JFileChooser; import javax.swing.JOptionPane; public class Main extends javax.swing.JFrame { private ObjectOutputStream out; private ObjectInputStream in; static String b; //variable for message private Socket join; boolean success = true; private String serverIP = "10.1.1.1"; ArrayList userlist = new ArrayList(); SimpleDateFormat log = new SimpleDateFormat("HH:mm"); String d = log.format(new Date()); public File file; public String serverAddr, username, password; DefaultListModel model = new DefaultListModel(); public Main() { initComponents(); } private void initComponents() { jButton3 = new javax.swing.JButton(); start = new javax.swing.JButton(); jLabel2 = new javax.swing.JLabel(); textMessage = new javax.swing.JTextField(); jScrollPane2 = new javax.swing.JScrollPane(); chatArea = new javax.swing.JTextArea(); usernm = new javax.swing.JTextField(); jLabel1 = new javax.swing.JLabel();
- 9. send = new javax.swing.JButton(); jScrollPane3 = new javax.swing.JScrollPane(); online = new javax.swing.JList(); upload = new javax.swing.JButton(); filename = new javax.swing.JTextField(); stop = new javax.swing.JButton(); login = new javax.swing.JButton(); jLabel3 = new javax.swing.JLabel(); ip = new javax.swing.JTextField(); jLabel4 = new javax.swing.JLabel(); portnumber = new javax.swing.JTextField(); jLabel5 = new javax.swing.JLabel(); passwordfield = new javax.swing.JPasswordField(); setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE); setTitle("ICARE "); setFocusable(false); setPreferredSize(new java.awt.Dimension(840, 650)); setResizable(false); getContentPane().setLayout(null); jButton3.setText("Send"); jButton3.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent evt) { jButton3ActionPerformed(evt); } }); getContentPane().add(jButton3); jButton3.setBounds(710, 110, 100, 30); start.setBackground(new java.awt.Color(51, 51, 255)); start.setFont(new java.awt.Font("Tahoma", 0, 14)); start.setForeground(new java.awt.Color(255, 255, 255)); start.setText("Start"); start.setBorder(null); start.setBorderPainted(false); start.setRequestFocusEnabled(false); start.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent evt) {
- 10. startActionPerformed(evt); } }); getContentPane().add(start); start.setBounds(20, 100, 90, 40); getContentPane().add(jLabel2); jLabel2.setBounds(0, 0, 820, 0); getContentPane().add(textMessage); textMessage.setBounds(270, 450, 440, 70); chatArea.setColumns(20); chatArea.setFont(new java.awt.Font("Arial", 0, 14)); chatArea.setRows(5); jScrollPane2.setViewportView(chatArea); getContentPane().add(jScrollPane2); jScrollPane2.setBounds(270, 150, 540, 290); getContentPane().add(usernm); usernm.setBounds(540, 10, 170, 30); jLabel1.setFont(new java.awt.Font("Tahoma", 1, 14)); jLabel1.setText("Enter your nickname :"); getContentPane().add(jLabel1); jLabel1.setBounds(380, 10, 160, 30); send.setBackground(new java.awt.Color(51, 51, 255)); send.setFont(new java.awt.Font("Tahoma", 0, 14)); send.setForeground(new java.awt.Color(255, 255, 255)); send.setText("Send"); send.setBorder(null); send.setBorderPainted(false); send.setRequestFocusEnabled(false); send.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent evt) { sendActionPerformed(evt); } }); getContentPane().add(send); send.setBounds(720, 470, 90, 40); online.setBackground(new java.awt.Color(0, 0, 0));
- 11. online.setFont(new java.awt.Font("Tahoma", 0, 12)); online.setForeground(new java.awt.Color(102, 255, 0)); jScrollPane3.setViewportView(online); getContentPane().add(jScrollPane3); jScrollPane3.setBounds(20, 150, 230, 370); upload.setFont(new java.awt.Font("Tahoma", 0, 18)); upload.setText("+"); upload.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent evt) { uploadActionPerformed(evt); } }); getContentPane().add(upload); upload.setBounds(650, 110, 50, 30); getContentPane().add(filename); filename.setBounds(270, 110, 370, 30); stop.setBackground(new java.awt.Color(51, 51, 255)); stop.setFont(new java.awt.Font("Tahoma", 0, 14)); stop.setForeground(new java.awt.Color(255, 255, 255)); stop.setText("Log Out"); stop.setToolTipText(""); stop.setBorder(null); stop.setBorderPainted(false); stop.setRequestFocusEnabled(false); stop.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent evt) { stopActionPerformed(evt); } }); getContentPane().add(stop); stop.setBounds(720, 60, 90, 40); login.setBackground(new java.awt.Color(51, 51, 255)); login.setFont(new java.awt.Font("Tahoma", 0, 14)); login.setForeground(new java.awt.Color(255, 255, 255)); login.setText("Log In"); login.setToolTipText("");
- 12. login.setBorder(null); login.setBorderPainted(false); login.setRequestFocusEnabled(false); login.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent evt) { loginActionPerformed(evt); } }); getContentPane().add(login); login.setBounds(720, 10, 90, 40); jLabel3.setFont(new java.awt.Font("Tahoma", 1, 14)); jLabel3.setText("Port No :"); jLabel3.setToolTipText(""); getContentPane().add(jLabel3); jLabel3.setBounds(20, 60, 100, 30); getContentPane().add(ip); ip.setBounds(110, 20, 150, 30); jLabel4.setFont(new java.awt.Font("Tahoma", 1, 14)); jLabel4.setText("IP Address :"); jLabel4.setToolTipText(""); getContentPane().add(jLabel4); jLabel4.setBounds(20, 20, 100, 30); getContentPane().add(portnumber); portnumber.setBounds(110, 60, 150, 30); jLabel5.setFont(new java.awt.Font("Tahoma", 1, 14)); jLabel5.setText("Enter your password :"); getContentPane().add(jLabel5); jLabel5.setBounds(380, 60, 160, 30); getContentPane().add(passwordfield); passwordfield.setBounds(540, 60, 170, 30); pack(); } private void startActionPerformed(java.awt.event.ActionEvent evt) { Start(); String group = "All"; online.setModel(model);
- 13. model.addElement(group); online.setSelectedIndex(0); send(new ChatMessage("test", "testUser", "testContent", "SERVER")); } private void sendActionPerformed(java.awt.event.ActionEvent evt) { String z = textMessage.getText(); String target = online.getSelectedValue().toString(); if(!z.isEmpty() && !target.isEmpty()){ textMessage.setText(""); send(new ChatMessage("message", username, z, target)); } } private void uploadActionPerformed(java.awt.event.ActionEvent evt) { JFileChooser fileChooser = new JFileChooser(); fileChooser.showDialog(this, "Select File"); file = fileChooser.getSelectedFile(); if (file != null) { if (!file.getName().isEmpty()) { String str; if (filename.getText().length() > 30) { String t = file.getPath(); str = t.substring(0, 20) + " [...] " + t.substring(t.length() - 20, t.length()); } else { str = file.getPath(); } filename.setText(str); } } } private void jButton3ActionPerformed(java.awt.event.ActionEvent evt) {
- 14. long size = file.length(); if (size < 120 * 1024 * 1024) { send(new ChatMessage("upload_req", username, file.getName(), online.getSelectedValue().toString())); } else { chatArea.append("File is size too large "); } } private void stopActionPerformed(java.awt.event.ActionEvent evt) {//GEN- FIRST:event_stopActionPerformed // if (!username.isEmpty()) { send(new ChatMessage("logout", username, password, "SERVER")); } } private void loginActionPerformed(java.awt.event.ActionEvent evt) {//GEN- FIRST:event_loginActionPerformed username = usernm.getText(); password = passwordfield.getText(); if(!username.isEmpty() && !password.isEmpty()){ send(new ChatMessage("login", username, password, "SERVER")); } } public static void main(String args[]) { try { for (javax.swing.UIManager.LookAndFeelInfo info : javax.swing.UIManager.getInstalledLookAndFeels()) { if ("Nimbus".equals(info.getName())) { javax.swing.UIManager.setLookAndFeel(info.getClassName()); break; } }
- 15. } catch (ClassNotFoundException ex) { java.util.logging.Logger.getLogger(Main.class.getName()).log(java.util.logging.Level.SEVERE, null, ex); } catch (InstantiationException ex) { java.util.logging.Logger.getLogger(Main.class.getName()).log(java.util.logging.Level.SEVERE, null, ex); } catch (IllegalAccessException ex) { java.util.logging.Logger.getLogger(Main.class.getName()).log(java.util.logging.Level.SEVE RE, null, ex); } catch (javax.swing.UnsupportedLookAndFeelException ex) { java.util.logging.Logger.getLogger(Main.class.getName()).log(java.util.logging.Level.SEVERE, null, ex); } java.awt.EventQueue.invokeLater(new Runnable() { public void run() { new Main().setVisible(true); } }); } public javax.swing.JTextArea chatArea; public javax.swing.JTextField filename; public javax.swing.JTextField ip; public javax.swing.JButton jButton3; private javax.swing.JLabel jLabel1; private javax.swing.JLabel jLabel2; private javax.swing.JLabel jLabel3; private javax.swing.JLabel jLabel4; private javax.swing.JLabel jLabel5; private javax.swing.JScrollPane jScrollPane2; private javax.swing.JScrollPane jScrollPane3; public javax.swing.JButton login;
- 16. public javax.swing.JList online; public javax.swing.JPasswordField passwordfield; public javax.swing.JTextField portnumber; public javax.swing.JButton send; public javax.swing.JButton start; public javax.swing.JButton stop; private javax.swing.JTextField textMessage; public javax.swing.JButton upload; public javax.swing.JTextField usernm; public void Start() { try { start.setEnabled(false); chatArea.append(d + " : Attempting connection... "); join = new Socket(serverAddr, 10500); chatArea.append(d + " : Connected to - " + join.getInetAddress().getHostName() + " "); success = true; } catch (Exception ex) { chatArea.append("Error cannot bind to port "); success = false; } if (success == true) { ClientThread ct = new ClientThread(); } } class ClientThread implements Runnable { ClientThread ct; Thread t;
- 17. ClientThread() { t = new Thread(this, "RunClient"); t.start(); } public void run() { try { try { out = new ObjectOutputStream(join.getOutputStream()); out.flush(); in = new ObjectInputStream(join.getInputStream()); b = (String) in.readObject(); chatArea.append(b + " "); chatArea.setCaretPosition(chatArea.getText().length()); } catch (Exception e) { } CThread c1 = new CThread(); } catch (Exception ex) { } } } class CThread implements Runnable { CThread ob1; Thread t; CThread() { t = new Thread(this, "Message"); t.start(); } public void run() { try { do { try { ChatMessage cm = (ChatMessage) in.readObject(); System.out.println("Incoming : "+cm.toString()); if(cm.type.equals("login")){ if(cm.content.equals("TRUE")){ chatArea.append("[SERVER > Me] : Login Successful ");
- 18. } else{ chatArea.append("[SERVER > Me] : Login Failed "); } } else if(cm.type.equals("test")){ start.setEnabled(false); }else if(cm.type.equals("message")){ if(cm.recipient.equals(username)){ chatArea.append("["+cm.sender +" > Me] : " + cm.content + " "); } else{ chatArea.append("["+ cm.sender +" > "+ cm.recipient +"] : " + cm.content + " "); } }else if(cm.type.equals("newuser")){ online.setModel(model); model.addElement(cm.content); }else if(cm.type.equals("upload_req")){ JFileChooser jf = new JFileChooser(); jf.setSelectedFile(new File(cm.content)); int returnVal = jf.showSaveDialog(this); String saveTo = jf.getSelectedFile().getPath(); if(saveTo != null && returnVal == JFileChooser.APPROVE_OPTION){ Download dwn = new Download(saveTo); Thread t = new Thread(dwn); t.start(); send(new ChatMessage("upload_res", username, (""+dwn.port), cm.sender)); } else{ send(new ChatMessage("upload_res", username, "NO", cm.sender)); }
- 19. } else if(cm.type.equals("upload_res")){ if(!cm.content.equals("NO")){ int port = Integer.parseInt(cm.content); String addr = cm.sender; Upload upl = new Upload(serverAddr, port, file); Thread t = new Thread(upl); t.start(); } else{ chatArea.append("[SERVER > Me] : "+cm.sender+" rejected file request "); } } else{ chatArea.append("[SERVER > Me] : Unknown message type "); } } catch (Exception ex) { chatArea.append("Server is disconnected" + " "); try { in.close(); out.close(); join.close(); } catch (Exception ex2) { } } } while (!b.equalsIgnoreCase("bye")); } catch (Exception ex) { } } } void send(ChatMessage cm) { try { out.writeObject(cm);
- 20. out.flush(); } catch (Exception e) { } } } Chat class import java.io.Serializable; public class Chat implements Serializable{ private static final long serialVersionUID = 1L; public String type, sender, content, recipient; public Chat(String type, String sender, String content, String recipient){ this.type = type; this.sender = sender; this.content = content; this.recipient = recipient; } @Override public String toString(){ return "{type='"+type+"', sender='"+sender+"', content='"+content+"', recipient='"+recipient+"'}"; } }