progressthread.java

压缩目录

import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
import java.beans.*;
import java.lang.reflect.InvocationTargetException;
import java.util.*;


public class ProgressThread extends Thread implements PropertyChangeListener {

	/**
	 * @param args
	 */
	
	private JProgressBar jpb;
	private Task task;
	
	class Task extends SwingWorker<Void, Void> {
        /*
         * Main task. Executed in background thread.
         */
       
		
		
        ZipDirectory zd;
        Random r=new Random();
        public Task(String file) throws Exception {
        	zd=new ZipDirectory(file);
        	
        	
        }
        
        public Void doInBackground() {
           try {
			zd.zip();
		} catch (Exception e) {
		}           
            return null;
        }
        
        protected void procress(){
        //	this.setProgress(r.nextInt(30));
        }
        
        public void done(){
        	System.out.print("ZDone");
        }
        
        
	}
	
	public void propertyChange(PropertyChangeEvent evt) {
        if ("progress" == evt.getPropertyName()) {
            int progress = (Integer) evt.getNewValue();
            jpb.setValue(progress);
        } 
    }


	
	
	public ProgressThread(JProgressBar pb) throws Exception{
		jpb=pb;
		task=new Task("C:\\Download");
		
	}
	
	
	public void run(){
		int min=jpb.getMinimum();
		int max=jpb.getMaximum();
		
		Runnable runner=new Runnable(){
			public void run(){
				int value = jpb.getValue();
				jpb.setValue(value+1);
			}
		};
		
		for(int i=min;i<max;i++){
			try {				
				SwingUtilities.invokeAndWait(runner);				 
				Thread.sleep(500);
			} catch (InterruptedException e) {				
			}catch (InvocationTargetException e) {
				e.printStackTrace();
			}
		
			
		}
	}
		
		
	

	
	public static void main(String[] args) {
		// TODO Auto-generated method stub
		final JProgressBar aJProgressBar = new JProgressBar(0, 100);
		final JButton aJButton = new JButton("Start");
		ActionListener actionListener = new ActionListener() {
		public void actionPerformed(ActionEvent e) {
	//	aJButton.setEnabled(false);
	//	aJProgressBar.setIndeterminate(true);
		Thread stepper;
		try {
			stepper = new ProgressThread(aJProgressBar);
			stepper.start();
		} catch (Exception e1) {
			// TODO Auto-generated catch block
			e1.printStackTrace();
		}
		
		}
		};
		aJButton.addActionListener(actionListener);
		JFrame theFrame = new JFrame("Progress Bars");
		theFrame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		Container contentPane = theFrame.getContentPane();
		contentPane.add(aJProgressBar, BorderLayout.NORTH);
		contentPane.add(aJButton, BorderLayout.SOUTH);
		theFrame.setSize(300, 100);
		theFrame.setVisible(true); 
	
		// task.addPropertyChangeListener(this);

	}

}