chatserver.java

基于netbeans的java桌面应用程序合集

/*
 * ChatServer.java
 *
 * Created on 2008年4月9日, 下午11:22
 */

package org.Adam;
import java.net.*;
import java.io.*;
/**
 *
 * @author  Administrator
 */
public class ChatServer extends javax.swing.JFrame {
    public static int port=8888;
    public ServerSocket serversocket=null;
    UserLinkList userlink;
    ServerListen listenThread;
    Node node;
    /** Creates new form ChatServer */
    public ChatServer() {
        initComponents();
        this.setLocationRelativeTo(this);
    }
    
    /** 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.
     */
    // <editor-fold defaultstate="collapsed" desc="Generated Code">//GEN-BEGIN:initComponents
    private void initComponents() {

        jToolBar1 = new javax.swing.JToolBar();
        jButton1 = new javax.swing.JButton();
        jButton2 = new javax.swing.JButton();
        jScrollPane1 = new javax.swing.JScrollPane();
        jTextArea1 = new javax.swing.JTextArea();
        jComboBox1 = new javax.swing.JComboBox();
        jTextField1 = new javax.swing.JTextField();
        jButton3 = new javax.swing.JButton();
        showStatus = new javax.swing.JTextField();
        jLabel1 = new javax.swing.JLabel();

        setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);

        jToolBar1.setRollover(true);

        jButton1.setText("Start");
        jButton1.setFocusable(false);
        jButton1.setHorizontalTextPosition(javax.swing.SwingConstants.CENTER);
        jButton1.setVerticalTextPosition(javax.swing.SwingConstants.BOTTOM);
        jButton1.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton1ActionPerformed(evt);
            }
        });
        jToolBar1.add(jButton1);

        jButton2.setText("Exit");
        jButton2.setFocusable(false);
        jButton2.setHorizontalTextPosition(javax.swing.SwingConstants.CENTER);
        jButton2.setVerticalTextPosition(javax.swing.SwingConstants.BOTTOM);
        jButton2.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton2ActionPerformed(evt);
            }
        });
        jToolBar1.add(jButton2);

        jTextArea1.setColumns(20);
        jTextArea1.setRows(5);
        jScrollPane1.setViewportView(jTextArea1);

        jComboBox1.setModel(new javax.swing.DefaultComboBoxModel(new String[] { "", "ALL" }));

        jButton3.setText("Send");
        jButton3.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton3ActionPerformed(evt);
            }
        });

        showStatus.setEditable(false);

        jLabel1.setText(" 发送：");

        org.jdesktop.layout.GroupLayout layout = new org.jdesktop.layout.GroupLayout(getContentPane());
        getContentPane().setLayout(layout);
        layout.setHorizontalGroup(
            layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
            .add(jToolBar1, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, 414, Short.MAX_VALUE)
            .add(jScrollPane1, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, 414, Short.MAX_VALUE)
            .add(layout.createSequentialGroup()
                .add(jTextField1, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, 317, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)
                .addPreferredGap(org.jdesktop.layout.LayoutStyle.RELATED)
                .add(jButton3)
                .addContainerGap(34, Short.MAX_VALUE))
            .add(showStatus, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, 414, Short.MAX_VALUE)
            .add(layout.createSequentialGroup()
                .addContainerGap()
                .add(jLabel1)
                .add(27, 27, 27)
                .add(jComboBox1, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, 109, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)
                .addContainerGap(226, Short.MAX_VALUE))
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
            .add(layout.createSequentialGroup()
                .add(jToolBar1, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, 34, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)
                .addPreferredGap(org.jdesktop.layout.LayoutStyle.RELATED)
                .add(jScrollPane1, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, 357, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)
                .add(18, 18, 18)
                .add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.BASELINE)
                    .add(jComboBox1, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)
                    .add(jLabel1))
                .add(10, 10, 10)
                .add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.BASELINE)
                    .add(jButton3)
                    .add(jTextField1, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE))
                .addPreferredGap(org.jdesktop.layout.LayoutStyle.RELATED, 9, Short.MAX_VALUE)
                .add(showStatus, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE))
        );

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

    private void jButton2ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton2ActionPerformed
        // TODO add your handling code here:
        System.exit(0);
    }//GEN-LAST:event_jButton2ActionPerformed

    private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton1ActionPerformed
        // TODO add your handling code here:
        StartService();
    }//GEN-LAST:event_jButton1ActionPerformed

    private void jButton3ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton3ActionPerformed
        // TODO add your handling code here:
        sendSystemMessage();
    }//GEN-LAST:event_jButton3ActionPerformed
     public void StartService(){
        try{
            serversocket=new ServerSocket(port,10);
            this.jTextArea1.append("服务端已经启动，在"+port+"端口侦听...\n");
        }catch(Exception f){
            f.getMessage();
        }
        userlink=new UserLinkList();
        listenThread=new ServerListen(serversocket,jTextArea1,showStatus,jComboBox1,userlink);
        listenThread.start();
    }
      public void sendSystemMessage(){
        String tosomebody=this.jComboBox1.getSelectedItem().toString();
        String message=this.jTextField1.getText()+"\n";
        this.jTextArea1.append(message);
        if(tosomebody.equals("ALL")){
            sendMessageToAll(message);
        }else{
            node=userlink.findUser(tosomebody);
            try{
                node.output.writeObject("系统信息");
                node.output.flush();
                node.output.writeObject(message);
                node.output.flush();
            }catch(Exception f){
                f.getMessage();
            }
        }
        this.jTextField1.setText("");
    }
 public void sendMessageToAll(String message){
        int count=userlink.getCount();
        int i=0;
        while(i<count){
            node=userlink.findUser(i);
            if(node==null){
                i++;
                continue;
            }
            try{
                node.output.writeObject("系统信息");
                node.output.flush();
                node.output.writeObject(message);
                node.output.flush();
            }catch(Exception f){
                
            }
            i++;
        }
        this.jTextField1.setText("");
    }
    /**
     * @param args the command line arguments
     */
    public static void main(String args[]) {
        java.awt.EventQueue.invokeLater(new Runnable() {
            public void run() {
                new ChatServer().setVisible(true);
            }
        });
    }
    
    // Variables declaration - do not modify//GEN-BEGIN:variables
    private javax.swing.JButton jButton1;
    private javax.swing.JButton jButton2;
    private javax.swing.JButton jButton3;
    private javax.swing.JComboBox jComboBox1;
    private javax.swing.JLabel jLabel1;
    private javax.swing.JScrollPane jScrollPane1;
    private javax.swing.JTextArea jTextArea1;
    private javax.swing.JTextField jTextField1;
    private javax.swing.JToolBar jToolBar1;
    private javax.swing.JTextField showStatus;
    // End of variables declaration//GEN-END:variables
    
}