clientjframe.java.svn-base

多线程加密聊天室,支持多线程客户端链接服务器端

/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */

/*
 * ClientJFrame.java
 *
 * Created on 2008-11-21, 14:06:45
 */
package safechatclient;

import mytools.Packet;
import mytools.DSA;
import mytools.AES;
import java.io.*;
import java.net.*;
import java.security.InvalidKeyException;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.crypto.BadPaddingException;
import javax.crypto.IllegalBlockSizeException;
import javax.swing.JOptionPane;

/**
 *
 * @author DJ尐舞
 */
public class ClientJFrame extends javax.swing.JFrame {

    Socket client;
    InputStream in;
    BufferedReader br;
    OutputStream out;
    BufferedWriter bw;
    Packet p;
    String userName;
    AES clientAES = new AES();
    Thread currentThread;
    boolean isConnected = false;
    int registerState = 0;
    boolean loginState = false;

    /** Creates new form ClientJFrame */
    public ClientJFrame() {
//        try {
        initComponents();
        connectButton.doClick();
    //   AES.generateKey(); //生成密钥
    //    DSA.generatekey(); //生成密钥对prikey.dat与pubkey.dat
//        } catch (NoSuchAlgorithmException ex) {
//            System.out.println("生成密钥对失败:机子上不存生成AES的算法库");
//        }
    }

    /** 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();
        chatContent = new javax.swing.JTextArea();
        jTextField1 = new javax.swing.JTextField();
        jLabel1 = new javax.swing.JLabel();
        connectButton = new javax.swing.JButton();
        jScrollPane2 = new javax.swing.JScrollPane();
        editArea = new javax.swing.JTextArea();
        sendButton = new javax.swing.JButton();
        jLabel2 = new javax.swing.JLabel();
        userNameButton = new javax.swing.JTextField();
        regButton = new javax.swing.JButton();
        loginButton = new javax.swing.JButton();

        setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);

        chatContent.setColumns(20);
        chatContent.setEditable(false);
        chatContent.setRows(5);
        chatContent.setBorder(javax.swing.BorderFactory.createTitledBorder("聊天窗口"));
        jScrollPane1.setViewportView(chatContent);

        jTextField1.setText("localhost");

        jLabel1.setText("主机");

        connectButton.setText("连接");
        connectButton.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                connectButtonActionPerformed(evt);
            }
        });

        editArea.setColumns(20);
        editArea.setRows(5);
        jScrollPane2.setViewportView(editArea);

        sendButton.setText("发送");
        sendButton.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                sendButtonActionPerformed(evt);
            }
        });

        jLabel2.setText("用户名");

        regButton.setText("注册");
        regButton.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                regButtonActionPerformed(evt);
            }
        });

        loginButton.setText("登陆");
        loginButton.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                loginButtonActionPerformed(evt);
            }
        });

        javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
        getContentPane().setLayout(layout);
        layout.setHorizontalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
                    .addGroup(javax.swing.GroupLayout.Alignment.LEADING, layout.createSequentialGroup()
                        .addContainerGap()
                        .addComponent(jScrollPane1, javax.swing.GroupLayout.DEFAULT_SIZE, 323, Short.MAX_VALUE))
                    .addGroup(javax.swing.GroupLayout.Alignment.LEADING, layout.createSequentialGroup()
                        .addContainerGap()
                        .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                            .addComponent(sendButton, javax.swing.GroupLayout.Alignment.TRAILING)
                            .addComponent(jScrollPane2, javax.swing.GroupLayout.DEFAULT_SIZE, 323, Short.MAX_VALUE)))
                    .addGroup(javax.swing.GroupLayout.Alignment.LEADING, layout.createSequentialGroup()
                        .addGap(22, 22, 22)
                        .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                            .addGroup(layout.createSequentialGroup()
                                .addComponent(jLabel1)
                                .addGap(18, 18, 18)
                                .addComponent(jTextField1, javax.swing.GroupLayout.PREFERRED_SIZE, 143, javax.swing.GroupLayout.PREFERRED_SIZE))
                            .addGroup(layout.createSequentialGroup()
                                .addComponent(jLabel2)
                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                                .addComponent(userNameButton, javax.swing.GroupLayout.PREFERRED_SIZE, 145, javax.swing.GroupLayout.PREFERRED_SIZE)))
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                        .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                            .addGroup(layout.createSequentialGroup()
                                .addComponent(loginButton, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                                .addComponent(regButton, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
                            .addComponent(connectButton, javax.swing.GroupLayout.DEFAULT_SIZE, 120, 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(jTextField1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(connectButton, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(jLabel2)
                    .addComponent(userNameButton, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(loginButton, javax.swing.GroupLayout.PREFERRED_SIZE, 24, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(regButton, javax.swing.GroupLayout.PREFERRED_SIZE, 25, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
                .addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, 203, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
                .addComponent(jScrollPane2, javax.swing.GroupLayout.PREFERRED_SIZE, 163, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addComponent(sendButton)
                .addContainerGap())
        );

        pack();
    }// </editor-fold>//GEN-END:initComponents

    /**
     * 连接按钮事件，创建一个线程来建立连接
     * @param evt
     */
    private void connectButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_connectButtonActionPerformed
        if (isConnected) {
            try {
                in.close();
                out.close();
                client.close();
            } catch (IOException ex) {
                Logger.getLogger(ClientJFrame.class.getName()).log(Level.SEVERE, null, ex);
            }
            connectButton.setText("连接");
            chatContent.append("已断开与服务器的连接\n");
            isConnected = false;
        } else {
            connectButton.setText("连接中...");
            currentThread =
                    new Thread() {

                        private void unConnectProcess() throws IOException {
                            loginState = false;
                            loginButton.setVisible(true);
                            in.close();
                            out.close();
                            client.close();
                            connectButton.setText("连接");
                            chatContent.append("掉线啦！\n");
                            isConnected = false;
                        }