myzipframe.java~191~

用Java开发的压缩解压缩小工具

package myzip;

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import java.io.*;
import java.util.*;
import java.util.zip.*;
import javax.swing.border.*;
import javax.swing.event.*;
import javax.swing.filechooser.FileFilter;
/**
 * <p>Title: zip</p>
 * <p>Description: zip files</p>
 * <p>Copyright: Copyright (c) 2005</p>
 * <p>Company: qlsc</p>
 * @author Wang Tao
 * @version 1.0
 */

public class MyZipFrame extends JFrame implements ListSelectionListener {
  JPanel contentPane;
  JMenuBar jMenuBar1 = new JMenuBar();
  JMenu jMenuFile = new JMenu();

  JMenuItem jMenuFileExit = new JMenuItem();
  JMenu jMenuHelp = new JMenu();
  JMenuItem jMenuHelpAbout = new JMenuItem();
  BorderLayout borderLayout1 = new BorderLayout();
  JMenuItem jMenuFileOpenFile = new JMenuItem();
   JMenuItem jMenuFileOpenDir = new JMenuItem();
  JMenuItem jMenuFileOpenZip = new JMenuItem();
  JPanel buttonPanel = new JPanel();
  FlowLayout flowLayout1 = new FlowLayout();
  JButton zipButton = new JButton();
  JButton unzipButton = new JButton();
  JButton stopButton=new JButton();
  JPanel listPanel = new JPanel();
  JPanel centerPanel=new JPanel();
  JPanel barPanel = new JPanel();
  JTextArea textArea=new JTextArea();
  JScrollPane textPane;
  JButton startButton = new JButton();
  TitledBorder titledBorder1;
  JLabel messageLabel = new JLabel();
  JProgressBar progressBar = new JProgressBar();
  ImageIcon zipIcon=new ImageIcon("zip.jpg");
  ImageIcon unzipIcon=new ImageIcon("unzip.jpg");
  //ImageIcon openIcon=new ImageIcon("open.jpg");
  //JList playlist;
  //DefaultListModel plvector;
  //JScrollPane pljsp;
  String currentDirectory,selectedFile,zipname,firstFile,choosen;
  String[] openFile_files,openDir_files,record=new  String[100];
  boolean isCompress,isDecompress,dirZip,stop=false,cancel=false;
  Thread thread=null;
  int count,unZipSize,zipSize;
  //Construct the frame
  public MyZipFrame() {
    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(borderLayout1);
    this.setSize(new Dimension(500, 400));
    this.setTitle("Java Zip");
    jMenuFile.setText("文件");
    jMenuFileExit.setText("退出");
    jMenuFileExit.addActionListener(new MyZipFrame_jMenuFileExit_ActionAdapter(this));
    jMenuHelp.setText("帮助");
    jMenuHelpAbout.setText("关于");
    jMenuHelpAbout.addActionListener(new MyZipFrame_jMenuHelpAbout_ActionAdapter(this));
    jMenuFileOpenFile.setText("压缩文件");
    jMenuFileOpenFile.addActionListener(new MyZipFrame_jMenuFileOpenFile_actionAdapter(this));
    jMenuFileOpenZip.setText("打开压缩文件");
    jMenuFileOpenZip.addActionListener(new MyZipFrame_jMenuFileOpenZip_actionAdapter(this));
    buttonPanel.setBorder(BorderFactory.createRaisedBevelBorder());
    buttonPanel.setToolTipText("操作板");
    buttonPanel.setLayout(flowLayout1);
    zipButton.setBackground(Color.lightGray);
    zipButton.setMaximumSize(new Dimension(67, 67));
    zipButton.setMinimumSize(new Dimension(67, 67));
    zipButton.setPreferredSize(new Dimension(62, 63));
    zipButton.setToolTipText("添加压缩文件");
    zipButton.setIcon(zipIcon);System.out .println(zipIcon.getDescription()+"\n"+zipButton.getIcon().toString());
    zipButton.setText("");
    zipButton.addActionListener(new MyZipFrame_zipButton_actionAdapter(this));
    unzipButton.setBackground(Color.lightGray);
    unzipButton.setPreferredSize(new Dimension(65, 63));
    unzipButton.setToolTipText("释放压缩文件");
    unzipButton.setIcon(unzipIcon);
    unzipButton.setText("");
    unzipButton.addActionListener(new MyZipFrame_unzipButton_actionAdapter(this));
    startButton.setBorder(BorderFactory.createRaisedBevelBorder());

    startButton.setActionCommand("start");
    startButton.setBorderPainted(true);
    startButton.setBackground(Color.lightGray);
    startButton.setSize(100,100);

    startButton.setText(" 开始 ");
    stopButton.setText(" 停止 ") ;
    stopButton.addActionListener(new MyZipFrame_stopButton_actionAdapter(this));
    startButton.addActionListener(new MyZipFrame_startButton_actionAdapter(this));
    messageLabel.setText("欢迎使用myZip       进度：");//考虑加入文件信息
    jMenuFileOpenDir.setText("压缩目录");
    jMenuFileOpenDir.addActionListener(new MyZipFrame_jMenuFileOpenDir_actionAdapter(this));
    //listPanel.setPreferredSize(new Dimension(295,400));
    textArea.setToolTipText("信息栏");
    textArea.setPreferredSize(new Dimension(800,2000));

    jMenuFile.add(jMenuFileOpenFile);
    jMenuFile.add(jMenuFileOpenDir);
    jMenuFile.add(jMenuFileOpenZip);
    jMenuFile.addSeparator();
    jMenuFile.add(jMenuFileExit);
    jMenuHelp.add(jMenuHelpAbout);
    jMenuBar1.add(jMenuFile);
    jMenuBar1.add(jMenuHelp);
    textArea.setForeground(Color.BLUE);
    //plvector=new DefaultListModel();
    //playlist=new JList(plvector);
    //playlist.setPreferredSize(new Dimension(800,600)) ;

     //playlist.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
     //playlist.addListSelectionListener(this);
     //playlist.setBackground(Color.WHITE );
     //playlist.setForeground(Color.BLACK);

     //playlist.addMouseListener(new MouseAdapter() {
         /**
          * if double clicked then play the selected file
          * @param e MouseEvent
          */
         //public void mouseClicked(MouseEvent e) {
             //if (e.getClickCount() == 2) {
               //处理,文件夹->打开,文件->压缩,压缩文件->解压
               //if(selectedFile.endsWith(".zip")){
                 //解压缩
               //}
              // else{
                 //压缩
               //}

             //}
        // }
    // });
     int v=ScrollPaneConstants.VERTICAL_SCROLLBAR_AS_NEEDED;
     int h=ScrollPaneConstants.HORIZONTAL_SCROLLBAR_AS_NEEDED;

     //pljsp=new JScrollPane(playlist,v,h);
     //pljsp.setWheelScrollingEnabled(true);
     //listPanel.setLayout(new BorderLayout()) ;
     //listPanel.add(pljsp,BorderLayout.CENTER);
     this.setJMenuBar(jMenuBar1);
    buttonPanel.add(startButton, null);
    buttonPanel.add(stopButton,null) ;
    buttonPanel.add(zipButton, null);
    buttonPanel.add(unzipButton, null);
    textArea.setEditable(false);
    textPane =new JScrollPane(textArea,v,h);
    textPane.setPreferredSize(new Dimension(295,400));
    textPane.setWheelScrollingEnabled(true);
    textPane.setAutoscrolls(true);
    contentPane.add(buttonPanel, BorderLayout.NORTH);
    centerPanel.setLayout(new BorderLayout());
    //centerPanel.add(listPanel,BorderLayout.WEST);
    centerPanel.add(textPane,BorderLayout.CENTER );
    contentPane.add(centerPanel,  BorderLayout.CENTER);
    contentPane.add(barPanel,  BorderLayout.SOUTH);
    barPanel.add(messageLabel, null);
    barPanel.add(progressBar, null);


  }



  public void valueChanged(ListSelectionEvent e) {

   }

  //File | Exit action performed
  public void jMenuFileExit_actionPerformed(ActionEvent e) {
    System.exit(0);
  }
  //Help | About action performed
  public void jMenuHelpAbout_actionPerformed(ActionEvent e) {
    MyZipFrame_AboutBox dlg = new MyZipFrame_AboutBox(this);
    Dimension dlgSize = dlg.getPreferredSize();
    Dimension frmSize = getSize();
    Point loc = getLocation();
    dlg.setLocation((frmSize.width - dlgSize.width) / 2 + loc.x, (frmSize.height - dlgSize.height) / 2 + loc.y);
    dlg.setModal(true);
    dlg.pack();
    dlg.show();
  }
  //Overridden so we can exit when window is closed
  protected void processWindowEvent(WindowEvent e) {
    super.processWindowEvent(e);
    if (e.getID() == WindowEvent.WINDOW_CLOSING) {
      jMenuFileExit_actionPerformed(null);
    }
  }
  //将当前zip文件中的子文件显示在列表中
 /* public void scanZipFile()
  {
    plvector.removeAllElements();
    try
    {
      ZipInputStream zin=new ZipInputStream(new
         FileInputStream(zipname));
      ZipEntry entry;
      while ((entry = zin.getNextEntry()) !=null)
      {
        plvector.addElement(entry.getName());
        zin.closeEntry();

      }
      zin.close();
    }
    catch (IOException e)
    {
      e.printStackTrace() ;
    }
  }

  public void loadZipFile(String name)
 {
   try
   {
     ZipInputStream zin =new ZipInputStream(new
        FileInputStream(zipname));
     ZipEntry entry;
     while ((entry = zin.getNextEntry()) !=null)
     {
       if (entry.getName().equals(name))
       {
         BufferedReader in =new BufferedReader(new
            InputStreamReader(zin));
         //DataOutputStream out
         String line;
         while ((line = in.readLine())!=null)
         {

         }
       }
       zin.closeEntry();
     }
     zin.close();
   }
   catch(IOException e)
   {
     e.printStackTrace() ;
   }
 }*/
class Zip implements Runnable
 {
   public void run()
   {
     if(isCompress&&!stop)
    {
      if(dirZip)
      {
        zipFiles(openDir_files);
        if(stop)
        {
          File tarFile = new File(choosen + "\\" +
                                  openDir_files[0].substring(openDir_files[0].lastIndexOf("\\") + 1) +
                                  ".zip");
          tarFile.delete();
        }

      }
      else
      {
        zipFiles(openFile_files);
        if(stop)
        {
          File tarFile = new File(choosen + "\\" +
                                  openFile_files[0].substring(openFile_files[0].lastIndexOf("\\") + 1) +
                                  ".zip");
          tarFile.delete();
        }

      }
    }
    else if(isDecompress)
    {
      zipExtracting(selectedFile, firstFile);
      if(stop)
        {
          File tarFile = new File(choosen+"\\"+selectedFile.substring(0,selectedFile.length()-4));
          tarFile.delete();
        }

    }


   }
   /**
 *<br>方法说明：实现文件的压缩处理
 *<br>输入参数：压缩的文件数组
 *<br>返回类型：
 */
  public void zipFiles(String[] fs){
    int mount=0;unZipSize=zipSize=0;
   try{
     //String fileName = fs[0];
     String fileName = choosen+"\\"+fs[0].substring(fs[0].lastIndexOf("\\")+1);////////////////???
     System.out.println("filename:!!!!!!! "+fileName);
     FileOutputStream f =
       new FileOutputStream(fileName+".zip",true);
     //使用输出流检查
     CheckedOutputStream cs =
        new CheckedOutputStream(f,new Adler32());
      //声明输出zip流
      ZipOutputStream out =
        new ZipOutputStream(new BufferedOutputStream(cs));
      //写一个注释

      out.setComment("A test of Java Zipping");
      //对多文件进行压缩
      for(int i=1;i<fs.length&&fs[i]!=null;i++){
        System.out.println("Write file "+fs[i]);
        File file=new File(fs[i]);
        unZipSize+=(int)file.length();
        textArea.append("正在压缩: "+
                                       new File(fs[i]).getAbsolutePath()+
                                       "\n");

        DataInputStream in =
           new DataInputStream(
             new FileInputStream(fs[i]));
        if(!fs[0].equalsIgnoreCase(fs[1]))
          out.putNextEntry(new ZipEntry(fs[i].substring(fs[0].length()+1)));
        else
          out.putNextEntry(new ZipEntry(fs[i].substring(fs[0].lastIndexOf("\\")+1)));
         int c;
         while((c=in.read())!=-1)
         {
           mount++;
           if(stop)
           {
             in.close();
             out.close();
             progressBar.setValue(0);
             textArea.append("----------------------------"+"\n"
                             +"压缩已取消！"+"\n");
             return;
           }

           out.write(c);
           if(mount>=1000&&mount%1000==0)
           {
             progressBar.setValue(mount);
           }

         }
        in.close();
       }
       //关闭输出流
       out.close();
       File zipFile=new File(fileName+".zip");
       zipSize=(int)zipFile.length();
       textArea.append("压缩完毕!"+"\n"
                       +"-----------压缩信息-----------"+"\n"
                       +"源文件大小: "+unZipSize+" Bytes\n"
                       +"压缩后大小: "+zipSize+" Bytes\n"
                       +"压缩比: "+(float)zipSize/(float)unZipSize*100+"%\n");
       System.out.println("Checksum::"+cs.getChecksum().getValue());
    }catch(Exception e){
       System.err.println(e);
    }
  }

  void zipExtracting(String filePath, String zipFile)
   {

        int BUFFER = 2048,mount=0;
        BufferedOutputStream dest = null;
        BufferedInputStream is = null;
        ZipEntry entry = null;
        ZipFile zipfile = null;
        Enumeration enu = null;
        try
        {
            zipfile = new ZipFile(zipFile);
            enu = zipfile.entries();
            String lastDir=choosen+"\\"+selectedFile.substring(0,selectedFile.length()-4);
            new File(lastDir).mkdirs();
            while (enu.hasMoreElements())
            {
                entry = (ZipEntry) enu.nextElement();
                //logger.debug("extracting file name is" + entry.getName());

                if (entry.isDirectory())
                {System.out.println("in if entryName: "+entry.getName());
                    //new File(choosen+"\\"+selectedFile.substring(0,selectedFile.length()-4)+"\\"+entry.getName()).mkdirs();
                    continue;
                }
                is = new BufferedInputStream(zipfile.getInputStream(entry));
                int count;
                byte data[] = new byte[BUFFER];System.out.println("entruName: "+entry.getName());
                //FileOutputStream fos = new FileOutputStream(filePath.substring(0,filePath.length()-4)+"\\" + entry.getName());
                File outputFile=new File(new File(choosen).getAbsolutePath()+"\\"+selectedFile.substring(0,selectedFile.length()-4)+"\\"+
                                          entry.getName());
                 if(!outputFile.exists() )
                {//int r=lastDir.indexOf(outputFile.getParent());

                    lastDir =  outputFile.getParent();System.out.println("lastDbbbb:  "+lastDir);

                    //lastDir = lastDir.substring(0, r + 1);System.out.println("lastDaaaa:  "+lastDir);

                  new File(lastDir).mkdirs();
                }
                textArea.append("正在解压缩: "+outputFile.getAbsolutePath()+
                                       "\n");
                FileOutputStream fos = new FileOutputStream(choosen+"\\"+selectedFile.substring(0,selectedFile.length()-4)+"\\"+entry.getName());
                dest = new BufferedOutputStream(fos, BUFFER);
                while ((count = is.read(data, 0, BUFFER)) != -1)
                {
                    mount++;