gettcpport.java

Socket进阶（Socket通信的服务器端）

package gettcpport;

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import java.net.*;
import java.io.*;

/**
 * <p>Title: </p>
 * <p>Description: </p>
 * <p>Copyright: Copyright (c) 2004</p>
 * <p>Company: </p>
 * @author not attributable
 * @version 1.0
 */

public class GetTcpPort
    extends JFrame {
  JPanel contentPane;
  JButton jButton1 = new JButton();
  InetAddress address;
  JScrollPane jScrollPane1 = new JScrollPane();
  JTextArea jTextArea1 = new JTextArea();

  //Construct the frame
  public GetTcpPort() {
    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(null);
    this.setSize(new Dimension(179, 176));
    this.setTitle("获得TCP端口");
    jButton1.setBounds(new Rectangle(40, 112, 98, 22));
    jButton1.setText("获得端口");
    jButton1.addActionListener(new GetTcpPort_jButton1_actionAdapter(this));
    jScrollPane1.setBounds(new Rectangle(17, 20, 142, 77));
    jTextArea1.setText("");
    contentPane.add(jScrollPane1, null);
    contentPane.add(jButton1, null);
    jScrollPane1.getViewport().add(jTextArea1, null);
  }

  //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);
    }
  }

  void jButton1_actionPerformed(ActionEvent e) {
    String host = "localhost"; //定义本地主机

    for (int i = 1024; i < 65535; i++) {
      try {
        Socket socket = new Socket(host, i);
        jTextArea1.append(i + "\n");
      }
      catch (UnknownHostException e1) {
        break;
      }
      catch (IOException error) {
      }
    }
  }
}

class GetTcpPort_jButton1_actionAdapter
    implements java.awt.event.ActionListener {
  GetTcpPort adaptee;

  GetTcpPort_jButton1_actionAdapter(GetTcpPort adaptee) {
    this.adaptee = adaptee;
  }

  public void actionPerformed(ActionEvent e) {
    adaptee.jButton1_actionPerformed(e);
  }
}