package chatserver;import java.awt.*;import java.awt.event.*;import javax.swing.*;import com.borland.jbcl.layout.*;import java.net.*;import java.io.*;import java.util.Vector;import java.util.StringTokenizer;import java.util.Date;import java.lang.*;import java.sql.*;import com.borland.dx.dataset.*;import com.borland.dx.sql.dataset.*;/** * <p>Title: </p> * <p>Description: </p> * <p>Copyright: Copyright (c) 2007</p> * <p>Company: </p> * @author not attributable * @version 1.0 */public class chatServerFrame  extends JFrame  {  JPanel contentPane;  XYLayout xYLayout1 = new XYLayout();  JPanel jPanel1 = new JPanel();  JPanel jPanel2 = new JPanel();  JPanel jPanel3 = new JPanel();  JPanel jPanel4 = new JPanel();  JPanel jPanel5 = new JPanel();  PaneLayout paneLayout1 = new PaneLayout();  JLabel jLabel1 = new JLabel();  PaneLayout paneLayout2 = new PaneLayout();  PaneLayout paneLayout3 = new PaneLayout();  JScrollPane jScrollPane1 = new JScrollPane();  JButton jButton1 = new JButton();  XYLayout xYLayout2 = new XYLayout();  JPanel jPanel6 = new JPanel();  JPanel jPanel7 = new JPanel();  JPanel jPanel8 = new JPanel();  PaneLayout paneLayout4 = new PaneLayout();  JLabel jLabel2 = new JLabel();  PaneLayout paneLayout5 = new PaneLayout();  PaneLayout paneLayout6 = new PaneLayout();  JScrollPane jScrollPane2 = new JScrollPane();  JTextField jTextField2 = new JTextField();  JButton jButton2 = new JButton();  JRadioButton jRadioButton1 = new JRadioButton();  JRadioButton jRadioButton2 = new JRadioButton();  ButtonGroup buttonGroup1 = new ButtonGroup();  JList jList1 = new JList();  JTextArea jTextArea1 = new JTextArea();  JButton jButton3 = new JButton();  XYLayout xYLayout3 = new XYLayout();  JButton jButton4 = new JButton();  JTextField jTextField1 = new JTextField();  static ServerSocket serverSocket = null;  static Socket socket = null;  BufferedReader cin = null;  PrintWriter cout = null;  static Vector clients = new Vector(20);  static int active_connects = 0;  DefaultListModel   dld =new DefaultListModel();  //Construct the frame  public chatServerFrame() {    enableEvents(AWTEvent.WINDOW_EVENT_MASK);    try {      jbInit();    }    catch(Exception e) {      e.printStackTrace();    }  }  //Component initialization  private void jbInit() throws Exception  {    contentPane = (JPanel) this.getContentPane();    contentPane.setLayout(xYLayout1);    this.setSize(new Dimension(407, 331));    this.setTitle("chatServer");    this.addWindowListener(new chatServerFrame_this_windowAdapter(this));    jPanel1.setBackground(Color.white);    jPanel1.setLayout(paneLayout1);    jPanel2.setBackground(Color.white);    jPanel2.setLayout(paneLayout4);    jLabel1.setText(" 用戶信息");    jPanel5.setLayout(paneLayout2);    jPanel3.setLayout(paneLayout3);    jButton1.setText("發(fā)送");    jButton1.addActionListener(new chatServerFrame_jButton1_actionAdapter(this));    jPanel4.setLayout(xYLayout2);    jPanel6.setLayout(paneLayout5);    jLabel2.setText("服務器信息");    jPanel7.setLayout(paneLayout6);    jButton2.setText("刪除用戶");    jButton2.addActionListener(new chatServerFrame_jButton2_actionAdapter(this));    jRadioButton1.setText("廣播發(fā)送");    jRadioButton2.setDoubleBuffered(false);    jRadioButton2.setSelected(true);    jRadioButton2.setText("選擇發(fā)送");    jTextField2.setText("");    jTextArea1.setEnabled(true);    jTextArea1.setEditable(false);    jTextArea1.setText("");    jButton3.setText("啟動");    jButton3.addActionListener(new chatServerFrame_jButton3_actionAdapter(this));    jPanel8.setLayout(xYLayout3);    jButton4.setText("退出");    jButton4.addActionListener(new chatServerFrame_jButton4_actionAdapter(this));    jTextField1.setEnabled(true);    jTextField1.setEditable(false);    jTextField1.setText("");    contentPane.add(jPanel1,      new XYConstraints(0, 0, 400, 138));    jPanel1.add(jPanel5,        new PaneConstraints("jPanel5", "jPanel5", PaneConstraints.ROOT, 0.5f));    jPanel5.add(jLabel1,  new PaneConstraints("jLabel1", "jLabel1", PaneConstraints.ROOT, 1.0f));    jPanel1.add(jPanel4,        new PaneConstraints("jPanel4", "jPanel5", PaneConstraints.BOTTOM, 0.92424244f));    jPanel4.add(jTextField2,  new XYConstraints(3, 37, 331, -1));    jPanel4.add(jButton1,  new XYConstraints(339, 37, -1, 21));    jPanel4.add(jButton2,     new XYConstraints(16, 6, -1, 24));    jPanel4.add(jRadioButton2,   new XYConstraints(312, 6, -1, -1));    jPanel4.add(jRadioButton1, new XYConstraints(225, 7, -1, -1));    jPanel1.add(jPanel3,        new PaneConstraints("jPanel3", "jPanel4", PaneConstraints.TOP, 0.5488722f));    jPanel3.add(jScrollPane1, new PaneConstraints("jScrollPane1", "jScrollPane1", PaneConstraints.ROOT, 1.0f));    contentPane.add(jPanel2,      new XYConstraints(-1, 145, 401, 156));    jPanel2.add(jPanel8,             new PaneConstraints("jPanel8", "jPanel8", PaneConstraints.ROOT, 0.5f));    jPanel2.add(jPanel6,             new PaneConstraints("jPanel6", "jPanel8", PaneConstraints.TOP, 0.53846157f));    jPanel6.add(jLabel2,  new PaneConstraints("jLabel2", "jLabel2", PaneConstraints.ROOT, 1.0f));    jPanel2.add(jPanel7,             new PaneConstraints("jPanel7", "jPanel6", PaneConstraints.BOTTOM, 0.8333333f));    jPanel7.add(jScrollPane2,  new PaneConstraints("jScrollPane2", "jScrollPane2", PaneConstraints.ROOT, 1.0f));    buttonGroup1.add(jRadioButton1);    buttonGroup1.add(jRadioButton2);    jScrollPane1.getViewport().add(jList1, null);    jScrollPane2.getViewport().add(jTextArea1, null);    jPanel8.add(jTextField1,      new XYConstraints(5, 45, 280, -1));    jPanel8.add(jButton3, new XYConstraints(329, 5, -1, -1));    jPanel8.add(jButton4,  new XYConstraints(329, 39, -1, -1));  }  //Overridden so we can exit when window is closed  protected void processWindowEvent(WindowEvent e) {    super.processWindowEvent(e);    if (e.getID() == WindowEvent.WINDOW_CLOSING) {      System.exit(0);    }  } Statement stmt = linkData.getStatement();  void jButton3_actionPerformed(ActionEvent e) {    if (serverSocket == null) {          try {            serverSocket = new ServerSocket(4000);            jTextArea1.append("系統(tǒng)提示:  聊天服務器" +                              "               系統(tǒng)開始啟動......\n");          }          catch (IOException ee) {            jTextArea1.append("系統(tǒng)提示:  聊天服務器"                              + e.toString() + "\n");          }        if (serverSocket != null) {          jTextArea1.append("系統(tǒng)提示:  聊天服務器" +                            "                已經(jīng)啟動\n");          Thread a = new watch();          a.start();        }  }  }  class watch extends Thread {      public void run() {        int i = 0;        while (true) {          if (clients.size() < 20) {            try {              socket = serverSocket.accept();            }            catch (IOException ee) {              jTextArea1.append("系統(tǒng)提示:  聊天服務器"                                + ee.toString() + "用戶連接失敗\n");            }            do {              Client c = new Client(socket);              clients.addElement(c);             if(checkName(c)) {                int num = active_connects + 1;                active_connects++;                jTextField1.setText("目前已經(jīng)有" + num + "用戶連接");                Client listdata = (Client)clients.elementAt(i);                jList1.setModel(dld);                dld.addElement(listdata.name+": "+listdata.ip+"已經(jīng)連接");                c.start();                notifyRoom();              }              else {                c.ps.println("FAULTNAME");                disconnect(c);              }              i++;              break;            }            while (i < clients.size());          }          else {            try {              Thread.sleep(400);            }            catch (InterruptedException ee) {            }          }        }      }    }    class Client extends Thread{    String name;    String ip;    DataInputStream dis;    PrintStream ps;    Socket socket;        public Client(Socket s) {         socket=s;         try{           dis=new DataInputStream(s.getInputStream());           ps=new PrintStream(s.getOutputStream());           String info=dis.readLine();           StringTokenizer stinfo=new StringTokenizer(info,":");           String head=stinfo.nextToken();           if(stinfo.hasMoreTokens())            name=stinfo.nextToken();           if(stinfo.hasMoreTokens())            ip=stinfo.nextToken();            jTextArea1.append("系統(tǒng)消息:  "+name+":"+ip+"已經(jīng)連接\n");          }          catch(IOException e){            jTextArea1.append("系統(tǒng)消息:   聊天服務器"+"Error  "+e+"\n");          }        }        public void run(){        while(true){            String line=null;            try{                    line=dis.readLine();            }            catch(IOException e)            {                    jTextArea1.append("系統(tǒng)消息: "+"聊天服務器"+"Error: "+e);                    disconnect(this);                    notifyRoom();                    return;            }            if(line==null)            {                    disconnect(this);                    notifyRoom();                    return;            }            StringTokenizer st=new StringTokenizer(line,":");            String keyword=st.nextToken();             String broadcast=st.nextToken();            if(keyword.equalsIgnoreCase("MSG"))            {                    String fromcast=st.nextToken();                    String info=st.nextToken("\0");                    StringBuffer message=new StringBuffer("MSG:");                    message.append(broadcast+":"+fromcast+info);                    if(broadcast.equalsIgnoreCase("BROAD"))                    {                            sendClients(message);                            String now=gettime();                            jTextArea1.append("系統(tǒng)消息: "+now+"/"+fromcast+"->"+"所用用戶"+info+"\n");