chartserver.java~1~

java开发的聊天软件

package chatserver;

import java.io.*;
import java.net.*;

import java.awt.*;
import javax.swing.*;

public class ChartServer {
    boolean packFrame = false;

    //Construct the application
    public ChartServer() {
        try {
            Socket socket = new Socket("localhost", 5555);
            JOptionPane.showMessageDialog(null, "5555 端口占用，无法启动！", "端口",
                                          JOptionPane.WARNING_MESSAGE);
            socket.close();
            System.exit(0);
        }
        catch (HeadlessException ex) {

        }
        catch (UnknownHostException ex) {
        }
        catch (IOException ex) {
        }

        ServerDialog frame = new ServerDialog();
        //Validate frames that have preset sizes
        //Pack frames that have useful preferred size info, e.g. from their layout
        if (packFrame) {
            frame.pack();
        }
        else {
            frame.validate();
        }
        //Center the window
        Center.CenterWindow(frame);
        frame.setVisible(true);
    }

    //Main method
    public static void main(String[] args) {
        try {
            UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
        }
        catch (Exception e) {
            e.printStackTrace();
        }
        new ChartServer();
    }
}