frmChat.java

/*

* To change this license header, choose License Headers in Project Properties.

* To change this template file, choose Tools | Templates

* and open the template in the editor.

*/

package jChat;

import java.awt.Dimension;

import java.awt.Toolkit;

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.InetAddress;

import java.net.Socket;

import java.net.SocketException;

import java.net.UnknownHostException;

import java.util.logging.Level;

import java.util.logging.Logger;

import javax.swing.JOptionPane;

/**

*

* @author VasVas

*/

class Chat extends Thread{

Socket socket;

PrintWriter out;

BufferedReader in;

frmChat frm;

String IP;

String PORT;

String NikName;

Chat(String IP, String PORT, frmChat x, String NikName){

frm=x;

this.IP=IP;

this.PORT=PORT;

this.NikName=NikName;

try{

InetAddress addr = InetAddress.getByName(IP);

socket = new Socket(addr, Integer.parseInt(PORT));

try {

out = new PrintWriter(

new BufferedWriter(

new OutputStreamWriter(

socket.getOutputStream())), true);

in =new BufferedReader(

new InputStreamReader(

socket.getInputStream()));

} catch (Exception ex) {

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

}

start();

frm.txtNik.setEnabled(false);

frm.jButton1.setEnabled(true);

frm.jButton2.setEnabled(false);

}catch(Exception ex){

System.out.println(ex);

frm.jButton2.setEnabled(true);

JOptionPane.showMessageDialog(frm, " Не можливо з’эднатись з сервером! ");

}

}

public void run(){

String str = null;

do {

try {

str = in.readLine();

if(! str.equals(" EXIT")){

frm.txtChat.setText(frm.txtChat.getText()+" \n" +str);

}else{

frm.txtChat.setText(frm.txtChat.getText()+" \n" +" Сервер завершив роботу");

frm.jButton2.setEnabled(true);

frm.jButton1.setEnabled(false);

frm.txtNik.setEnabled(true);

cloose();

break;

}

}catch (IOException ex) {

//System.out.println(ex);

break;

}

}while (! str.equals(" EXIT"));

}

public void Send(String a){

out.println(NikName+": " +a);

}

public void cloose(){

try{

out.println(" END");

}finally{

try {

socket.close();

} catch (IOException ex) {

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

}

}

}

}

public class frmChat extends javax.swing.JFrame {

private static frmChat item;

public int connect=0;

Chat chat;

/**

* Creates new form frmChat

*/

public static frmChat getObj(){

if(item! =null)return item;

item=new frmChat();

return item;

}

private frmChat() {

initComponents();

}

/**

* 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" > //GEN-BEGIN: initComponents

private void initComponents() {

jScrollPane1 = new javax.swing.JScrollPane();

txtChat = new javax.swing.JTextArea();

txtMsg = new javax.swing.JTextField();

jButton1 = new javax.swing.JButton();

jLabel1 = new javax.swing.JLabel();

txtIP = new javax.swing.JTextField();

jLabel2 = new javax.swing.JLabel();

txtPort = new javax.swing.JTextField();

jButton2 = new javax.swing.JButton();

jLabel3 = new javax.swing.JLabel();

txtNik = new javax.swing.JTextField();

setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);

setResizable(false);

addWindowListener(new java.awt.event.WindowAdapter() {

public void windowClosed(java.awt.event.WindowEvent evt) {

formWindowClosed(evt);

}

public void windowClosing(java.awt.event.WindowEvent evt) {

formWindowClosing(evt);

}

});

txtChat.setColumns(20);

txtChat.setRows(5);

jScrollPane1.setViewportView(txtChat);

txtMsg.setText(" текст повідомлення...");

jButton1.setText(" Надіслати");

jButton1.setEnabled(false);

jButton1.addActionListener(new java.awt.event.ActionListener() {

public void actionPerformed(java.awt.event.ActionEvent evt) {

jButton1ActionPerformed(evt);

}

});

jLabel1.setText(" IP: ");

txtIP.setText(" 192.168.0.101");

jLabel2.setText(" PORT: ");

txtPort.setText(" 11777");

jButton2.setText(" Підключитись");

jButton2.addActionListener(new java.awt.event.ActionListener() {

public void actionPerformed(java.awt.event.ActionEvent evt) {

jButton2ActionPerformed(evt);

}

});

jLabel3.setText(" Ваш нік");

txtNik.setText(" РђРЅРѕРЅС–Рј");

javax.swing.GroupLayout layout = new javax.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)

.addComponent(jScrollPane1)

.addGroup(layout.createSequentialGroup()

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

.addGroup(layout.createSequentialGroup()

.addComponent(jLabel1)

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

.addComponent(txtIP, javax.swing.GroupLayout.PREFERRED_SIZE, 90, javax.swing.GroupLayout.PREFERRED_SIZE)

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

.addComponent(jLabel2)

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

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

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

.addComponent(jLabel3)

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

.addComponent(txtNik, javax.swing.GroupLayout.PREFERRED_SIZE, 81, javax.swing.GroupLayout.PREFERRED_SIZE)

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

.addComponent(jButton2))

.addGroup(layout.createSequentialGroup()

.addComponent(txtMsg, javax.swing.GroupLayout.PREFERRED_SIZE, 322, javax.swing.GroupLayout.PREFERRED_SIZE)

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

.addComponent(jButton1)))

.addGap(0, 0, Short.MAX_VALUE)))

.addContainerGap())

);

layout.setVerticalGroup(

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

.addGroup(layout.createSequentialGroup()

.addContainerGap()

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

.addComponent(jLabel1)

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

.addComponent(jLabel2)

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

.addComponent(jLabel3)

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

.addComponent(jButton2, javax.swing.GroupLayout.PREFERRED_SIZE, 23, javax.swing.GroupLayout.PREFERRED_SIZE))

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

.addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, 246, javax.swing.GroupLayout.PREFERRED_SIZE)

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

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

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

.addComponent(jButton1))

.addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))

);

pack();

}// < /editor-fold> //GEN-END: initComponents

private void jButton2ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST: event_jButton2ActionPerformed

jButton2.setEnabled(false);

chat=new Chat(txtIP.getText(), txtPort.getText(), this, txtNik.getText());

}//GEN-LAST: event_jButton2ActionPerformed

private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST: event_jButton1ActionPerformed

// TODO add your handling code here:

chat.Send(txtMsg.getText());

}//GEN-LAST: event_jButton1ActionPerformed

private void formWindowClosing(java.awt.event.WindowEvent evt) {//GEN-FIRST: event_formWindowClosing

// TODO add your handling code here:

jButton2.setEnabled(true);

txtNik.setEditable(true);

if(connect> 0){

chat.cloose();

}

}//GEN-LAST: event_formWindowClosing

private void formWindowClosed(java.awt.event.WindowEvent evt) {//GEN-FIRST: event_formWindowClosed

// TODO add your handling code here:

}//GEN-LAST: event_formWindowClosed

/**

* @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 https://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(frmChat.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);

} catch (InstantiationException ex) {

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

} catch (IllegalAccessException ex) {

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

} catch (javax.swing.UnsupportedLookAndFeelException ex) {

java.util.logging.Logger.getLogger(frmChat.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() {

frmChat z=new frmChat();

z.setVisible(true);

Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();

z.setLocation((screenSize.width - z.getWidth()) / 2, (screenSize.height - z.getHeight()) / 2);

}

});

}

// Variables declaration - do not modify//GEN-BEGIN: variables

public javax.swing.JButton jButton1;

public javax.swing.JButton jButton2;

private javax.swing.JLabel jLabel1;

private javax.swing.JLabel jLabel2;

private javax.swing.JLabel jLabel3;

private javax.swing.JScrollPane jScrollPane1;

public javax.swing.JTextArea txtChat;

private javax.swing.JTextField txtIP;

private javax.swing.JTextField txtMsg;

public javax.swing.JTextField txtNik;

private javax.swing.JTextField txtPort;

// End of variables declaration//GEN-END: variables

}