JAVA笔记 Form界面的log展示

   

import java.awt.BorderLayout;
import java.awt.FlowLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.WindowEvent;
import java.awt.event.WindowListener;

import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTextArea;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

public class MainForm extends Thread{
    private JFrame frame;
    private JScrollPane scrollpanel;
    private JPanel panel = new JPanel();
    private final JTextArea text;
    private boolean islogging=true;
    Log log =LogFactory.getLog(MainForm.class);
    
    public MainForm(){
            final JButton startButton = new JButton("start");
            startButton.setActionCommand("start");
            final JButton stopButton = new JButton("stop");
            stopButton.setActionCommand("stop");

            text= new JTextArea();
            scrollpanel = new JScrollPane();
            scrollpanel.setViewportView(text);
            panel.setLayout(new BorderLayout());
            panel.add(scrollpanel,BorderLayout.CENTER);
            
            JPanel bottom = new JPanel();
            bottom.setLayout(new FlowLayout());
            bottom.add(startButton);
            bottom.add(stopButton);
    
        panel.add(bottom,BorderLayout.SOUTH);
            ActionListener listener = new ActionListener(){
    
                @Override
                public void actionPerformed(ActionEvent e) {
                    if("start".equals(e.getActionCommand())){
                        Thread thread = new Thread(){
                            public void run(){
                                //你自己的操作
                            }
                        };        
                        thread.start();
                    }
                    else if("stop".equals(e.getActionCommand())){
                        //你自己的操作
                    }
                    else{
                        
                    }
                }
                
            };
            startButton.addActionListener(listener);
            stopButton.addActionListener(listener);
    
            frame = new JFrame();
            frame.setTitle("程序");
            frame.getContentPane().add(panel);
            frame.setSize(600,400);
            frame.setResizable(false);
            frame.setVisible(true);
            frame.addWindowListener(new WindowListener(){
        
                    @Override
                    public void windowActivated(WindowEvent e) {
                        // TODO Auto-generated method stub
                        
                    }
        
                    @Override
                    public void windowClosed(WindowEvent e) {
                        System.exit(0);
                    }
        
                    @Override
                    public void windowClosing(WindowEvent e) {                
                        islogging=false;
                        System.exit(0);
                    }
        
                    @Override
                    public void windowDeactivated(WindowEvent e) {
                        // TODO Auto-generated method stub
                        
                    }
        
                    @Override
                    public void windowDeiconified(WindowEvent e) {
                        // TODO Auto-generated method stub
                        
                    }
        
                    @Override
                    public void windowIconified(WindowEvent e) {
                        // TODO Auto-generated method stub
                        
                    }
        
                    @Override
                    public void windowOpened(WindowEvent e) {
                        // TODO Auto-generated method stub
                        
                    }
                });
                
            @Override
          public void run() {
            int count=0;
            while(islogging){
                try{
                    synchronized(this.text){
                      //从log队列中取出下一个
                        LogBean msg =LogDispacher.push();
                        if(msg==null){
                            continue;
                        }
                        LogBean.LogType type=msg.getType();
                        //判断日志是否要显示到界面上
                        if(type==LogBean.LogType.LOGFILE||type==LogBean.LogType.BOTH){
                            log.info(msg.getMsg());
                            if(msg.getType()==LogBean.LogType.LOGFILE){
                                continue;
                            }
                        }
                                            
                        count++;
                        if(count>100){
                            count=0;
                            this.text.setText("");
                        }
                        StringBuilder build = new StringBuilder(this.text.getText());
                        build.append(msg.getMsg());
                        this.text.setText(build.toString()+"\n");
                    }
                    
                }
                catch(Exception ex){
                    
                }
                
                try {
                    Thread.sleep(1000);
                } catch (InterruptedException e) {
                    e.printStackTrace();
                }
            }        
        }
}



package com.ect.smsmessager.server;

import java.util.LinkedList;
import java.util.Queue;

import com.ect.smsmessager.bean.LogBean;

public class LogDispacher {

    public static Queue<LogBean> logQueue= new LinkedList<LogBean>();
    
    public static void poll(String msg,LogBean.LogType type){
        LogBean bean = new LogBean(msg,type);
        synchronized(logQueue){
            logQueue.offer(bean);
        }
    }
    
    public static  LogBean push(){
        synchronized(logQueue){
            if(logQueue!=null&&!logQueue.isEmpty()){
                return logQueue.poll();
            }
            return null;
        }
    }
}