archiverframe.java

压缩目录

import javax.swing.*;
import javax.swing.filechooser.FileNameExtensionFilter;



import java.awt.*;
import java.awt.event.*;
import java.io.*;
import java.util.zip.*;

public class ArchiverFrame extends JFrame {

	/**
	 * 
	 */
	private static final long serialVersionUID = 1L;
	
	private JMenuBar menubar;
	private JMenu menu;	
	private JMenuItem menuIF;
	private JMenuItem menuIA;
	private JMenuItem menuIQ;
	private CompressFilePane cfpane=new CompressFilePane();
	private JPanel btnPane=new JPanel();
	private JButton chooseBtn =new JButton("Choose File");
	private JButton compressBtn=new JButton("Compress");
	private String path=null;

	
	public void iniMenu()//initial menu"Select a File","About","Exit"
	{
		
		menubar=new JMenuBar();
		setJMenuBar(menubar);
		menu=new JMenu("Menu");
		menuIF=new JMenuItem("Select a File",KeyEvent.VK_F);
		menuIA=new JMenuItem("About",KeyEvent.VK_A);
		menuIQ=new JMenuItem("Quit",KeyEvent.VK_Q);
		
		menubar.add(menu);
		menu.add(menuIF);
		menu.add(menuIA);
		menu.add(menuIQ);
		
		menu.setMnemonic(KeyEvent.VK_M);
		
	}
	public void iniBtnPane()
	{
		btnPane.add(chooseBtn);
		btnPane.add(compressBtn);
		add(btnPane,BorderLayout.PAGE_END);
	}
	
	public ArchiverFrame()
	{
		
		super("MyArchiver");		
		iniMenu();
		iniBtnPane();
		addEvent();
		this.add(cfpane);

	}
	
	class CloseActionListener implements ActionListener{

		@Override
		public void actionPerformed(ActionEvent arg0) {
			// TODO Auto-generated method stub
			System.exit(0);
		}
	
	}
	public void addEvent()
	{
		
			
			
		CloseActionListener closeAL=new CloseActionListener();
		
		menuIF.addActionListener(new ActionListener() 
		{
			public void actionPerformed(ActionEvent e)
			{
				fileChooser();
			}
		});
		
		menuIA.addActionListener(new ActionListener()//about dialog
		{
			public void actionPerformed(ActionEvent e)
			{
				JOptionPane.showMessageDialog(null, "Author: XU Wenyi");
				/*if(aboutDlg==null)
					aboutDlg=new AboutDialogue(WordCalcFrame.this);
				else
				{
					aboutDlg.pack();
					aboutDlg.setLocationRelativeTo(null);
					aboutDlg.setVisible(true);
				}*/
			}
		});
		menuIQ.addActionListener(closeAL);
		chooseBtn.addActionListener(new ActionListener() 
		{
			public void actionPerformed(ActionEvent e)
			{
				fileChooser();
			}
		});
		
		compressBtn.addActionListener(new ActionListener() 
		{
			public void actionPerformed(ActionEvent e)
			{
				arhiveDir();
			}
		});
		
		
	}
	
	public void fileChooser()//choose the file
	{
		
		JFileChooser fChooser=new JFileChooser();// JFileChooser.DIRECTORIES_ONLY;
		fChooser.setFileSelectionMode(JFileChooser.DIRECTORIES_ONLY);
		int returnVal=fChooser.showOpenDialog(getParent());
		if(returnVal == JFileChooser.APPROVE_OPTION) {
		     //  System.out.println("You chose to open this file: " +
		       //     fChooser.getSelectedFile().getName()+"\n"+fChooser.getSelectedFile().getPath());	  		
		}
		path=fChooser.getSelectedFile().getPath();
		File exf=new File(path+".zip");
		if(exf.exists()){
			Object[] options={"Continue","Cancel"};
			int opt=JOptionPane.showOptionDialog(null, "Archive file already exsits,click Continue to overwrite","Warning",JOptionPane.DEFAULT_OPTION,JOptionPane.WARNING_MESSAGE,null,options,options[0]);
			if(opt==0){//going to rewrite
				cfpane.setPath(path);
				cfpane.repaint();
			}
				
		}
		else{
			cfpane.setPath(path);
			cfpane.repaint();
		}
			
		
		
		
		
	}
	
	public void arhiveDir()
	{
		if(path==null)
			System.out.println("Please choose a unzip file");
		else{
		 try {
				ZipDirectory zd=new ZipDirectory(path);
				System.out.println(zd.getZipPath()+"     "+zd.getZipName());
				zd.zip();
				System.out.println("compressed:"+zd.getCompressedSize());
				System.out.println("orginal: "+zd.getOriginalSize());
				System.out.println("Rate: "+zd.getCompressedRate()+"%");
				cfpane.setCompressedSize(zd.getCompressedSize());
				cfpane.setOriginalSize(zd.getOriginalSize());
				cfpane.setCompressedRate(zd.getCompressedRate());
				cfpane.repaint();
				path=null;
				
				
			} catch (Exception e) {
				// TODO Auto-generated catch block
				JOptionPane.showMessageDialog(null, "The Directory You Choose Cannot Be Open ", "Alert", JOptionPane.ERROR_MESSAGE);
				e.printStackTrace();
			}
	    }
		
	
	}
	
	
	
	
	}