zipfile.java~1~

用于处理压缩的软件

package yasuowenjian;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import java.util.zip.ZipEntry;
import java.util.zip.ZipOutputStream;
import java.awt.*;
import java.awt.event.*;
import java.io.*;
import javax.swing.event.*;
import java.awt.event.WindowEvent;
import java.util.zip.ZipInputStream;
import javax.swing.JFileChooser;
import javax.swing.UIManager;
import javax.swing.*;
import java.awt.FileDialog;
import javax.swing.ProgressMonitorInputStream;
public class ZipFile extends JFrame implements ActionListener,Runnable
{
int filesize2= 0;JFileChooser file;
JProgressBar allfilebar= new JProgressBar(0,100);
ProgressMonitorInputStream pm;
Thread runner;
int filesize=0;int totalsize, standered=0;;
File filename;
File[] choosefile;
String lujing,wenjianming,firstpathto,pathto;
FileInputStream fileinput,zipinput;
BufferedInputStream bufferinput,bufferzip;
ZipOutputStream zipout;
ZipInputStream zipin;
ZipEntry entry;
Container pane, tipcontent;
JTextArea tiparea=new JTextArea(20,40);
JWindow tipwindow;
boolean show,change=true,change2=true;
String tip="欢迎使用！";
int allfilesize,allFileSize=0;
int currentsize;
public ZipFile(){
pane = getContentPane();
pane.setLayout(new GridLayout(4,1));
JButton choosebutton=new JButton("选择文件或文件夹");
choosebutton.setBackground(Color.green );
choosebutton .addActionListener(this);
pane.add(choosebutton);
JPanel frontpanel=new JPanel();
frontpanel.setLayout(new GridLayout(2,2));
JButton pressbutton=new JButton ("压缩");
pressbutton.setBackground(Color.pink );
pressbutton .addActionListener(this);
frontpanel.add(pressbutton);
pressbutton=new JButton ("压缩到");
pressbutton.setBackground(Color.pink );
pressbutton .addActionListener(this);
frontpanel.add(pressbutton);
pressbutton=new JButton ("解压");
pressbutton.setBackground(Color.pink );
pressbutton .addActionListener(this);
frontpanel.add(pressbutton);
pressbutton=new JButton ("解压到");
pressbutton.setBackground(Color.pink );
pressbutton .addActionListener(this);
frontpanel.add(pressbutton);
pane.add(frontpanel);


JButton waitbutton =new JButton ("打开提示信息框");
waitbutton .setBackground(Color.pink ) ;
waitbutton .addActionListener(this);
pane.add(waitbutton);
allfilebar.setStringPainted(true);
pane.add(allfilebar);
setSize(200,200);
addWindowListener(new WindowDestroyer());
show=true;
tipwindow=new JWindow();
tipcontent=tipwindow.getContentPane();
tipcontent.setLayout(new BorderLayout());
tipcontent.setBackground(Color.green );
tipcontent.add(tiparea,BorderLayout.CENTER );
tipwindow.setSize(200,200);
showtip(tip,show);


}
public void showtip(String tip,boolean show2){
tipwindow.setLocation(getX()+200 ,getY() );
tiparea.setBackground(Color.lightGray ) ;
Font f=new Font("隶书",Font.BOLD ,20);
tiparea.setFont(f);
tiparea.setText(tip);
tiparea.setLineWrap(true);
tipwindow.setVisible(show2);
}

public void actionPerformed (ActionEvent e){
String event=e.getActionCommand() ;
if(event.equals("打开提示信息框") )
{show=!show;
showtip(tip,show);}
else if(event.equals("选择文件或文件夹") ){
choosefile();}
else if(event.equals("压缩") ){
runner=new Thread(this);
tip="你正在进行的是压缩过程,请稍等。。。。。。";
showtip(tip,show);
try {
standered=1;
runner.start();
runner=null  ;}
catch (Exception ex1) {}}
else if (event.equals("压缩到") )
{

runner=new Thread(this);
choosepath();
tip="你正在进行的是压缩到过程,请稍等。。。。。。";
showtip(tip,show);
change=false;
standered=1;
runner.start() ;
runner=null;
}
else if (event.equals("解压") ){
runner=new Thread(this);
tip="你正在进行的是解压缩过程,请稍等。。。。。。";
showtip(tip,show);
standered=2;
runner.start() ;
runner=null;
}
else if (event.equals("解压到") ){
choosepath();runner=new Thread(this);
tip="你正在进行的是解压到过程,请稍等。。。。。。";
showtip(tip,show);
standered=2;
change2=false;
runner.start();
    }}
private void zip(ZipOutputStream out,File file,String entryName) throws Exception
{if(file.isDirectory())
{
File[] fileLists=file.listFiles();
out.putNextEntry(new ZipEntry(entryName+"/"));
int length=fileLists.length;
for(int i=0;i<length;i++){
zip(out,fileLists[i],entryName+"/"+fileLists[i].getName());
}}
else{
int BUFFER=256;
byte data[] = new byte[BUFFER];
out.putNextEntry(new ZipEntry(entryName));
FileInputStream fi = new FileInputStream(entryName);
BufferedInputStream or = new BufferedInputStream(fi, BUFFER);
int c;
while((c=fi.read(data,0,BUFFER)) != -1) {
out.write(data);
currentsize +=BUFFER;
runner.sleep((long)0.1);
allfilebar.setValue((int )currentsize*100/allfilesize);
}
}
}
public  void unzip(String zipFileName,String outputDirectory)
 {
FileInputStream fis = null;
try {
  fis = new FileInputStream(zipFileName);
}
catch (FileNotFoundException ex) {
}
zipin= new ZipInputStream(new BufferedInputStream(fis));
ZipEntry z;
try {
while ( (z = zipin.getNextEntry()) != null) {
if (z.isDirectory()) {
String name = z.getName();
name = name.substring(0, name.length() - 1);
File f = new File(outputDirectory + File.separator + getFileName(name));
f.mkdir();
}
else {
File f = new File(outputDirectory + File.separator +getFileName(z.getName()));
f.createNewFile();
int BUFFER = 2048;
int count;

byte data[] = new byte[BUFFER];
FileOutputStream fos = new FileOutputStream(f);
BufferedOutputStream dest = new BufferedOutputStream(fos, BUFFER);
while ( (count = zipin.read(data, 0, BUFFER)) != -1) {
filesize2+=count;
dest.write(data, 0, count);
try {
  runner.sleep( (long) 1);
}
catch (InterruptedException ex2) {
}
allfilebar.setValue((int )filesize2*100/allfilesize);
}
dest.close();
}
}System.out .print(filesize2) ;}

catch (IOException ex1) {
}}

public String getFileName(String path)
{
int length=path.length();
String fileName="";
boolean file=true;
int fileBorder=0;
for(int i=length-1;i>=0&&file;i--)
{
if(path.charAt(i)=='\\')
{
file = false;
fileBorder=i+1;
}
}
for(int i=fileBorder;i<length;i++)
{
fileName+=path.charAt(i);
}
return fileName;
}
public String setZipName(String fileName)
{
int length=fileName.length();
boolean post=true;
String postName="";
for(int i=0;i<length&&post;i++){
if(fileName.charAt(i)=='.')
{post=false;}
if(post)
{ postName += fileName.charAt(i);}}
postName+=".zip";
return postName;}

private int getAllSize(File[] file)
{

for (int i=0;i<file.length ;i++){
if(file[i].isDirectory())
{File[] files=file[i].listFiles();
 getAllSize(files);
}
else
{allFileSize +=(int)file[i].length();
}}
return  allFileSize;}

public void choosefile(){
file = new JFileChooser();
file.setFileSelectionMode(JFileChooser.FILES_AND_DIRECTORIES);
file.setMultiSelectionEnabled(true);
file.showOpenDialog(this);
choosefile=file.getSelectedFiles() ;
}

public void choosepath(){
JFileChooser file = new JFileChooser();
file.setFileSelectionMode(JFileChooser.FILES_AND_DIRECTORIES);
file.setMultiSelectionEnabled(false);
file.showOpenDialog(this);
File pathfile;
pathfile=file.getSelectedFile() ;
firstpathto=pathfile.getParent() ;
pathto=firstpathto+firstpathto.charAt(2) ;

}


public static void main (String args[]){
ZipFile mywork=new ZipFile();
mywork.show();
try {UIManager.setLookAndFeel("com.sun.java.swing.plaf.windows.WindowsLookAndFeel");}
catch (UnsupportedLookAndFeelException ex) {}
catch (IllegalAccessException ex) {}
catch (InstantiationException ex) {}
catch (ClassNotFoundException ex) {}
}
public void run()
{
if(choosefile==null)
JOptionPane.showInputDialog("请先选择");
else{
allfilesize=getAllSize(choosefile);
allfilebar.setValue(0);
switch(standered)
{
case 1:
for(int i=0;i<choosefile.length;i++){
try {System.out .print(choosefile.length ) ;
     FileOutputStream dest;
     if(change)dest = new  FileOutputStream(setZipName(choosefile[i].getPath() ));
      else dest = new FileOutputStream(pathto + setZipName(choosefile[i].getName()));
      zipout = new ZipOutputStream(new BufferedOutputStream(dest));
     zip(zipout, choosefile[i], choosefile[i].getPath());

}
catch (Exception ex) {
}}
try {
  zipout.close();
}
catch (IOException ex1) {
}
File newfile;
int ziplength=0;
for(int i=0;i<choosefile.length ;i++){
if(change==false) newfile=new File(pathto+setZipName(choosefile[i].getName() )) ;
else  newfile=new File(setZipName(choosefile[i].getPath() )) ;

  ziplength +=(int)newfile.length();
}
 tip="原文件大小为"+allfilesize+";"+
 "压缩后的文件大小为 "+ziplength+";"+
 "压缩比为"+(float)allfilesize/(float)ziplength+".";
 showtip(tip,show);
 allfilesize=0;
 currentsize=0;
 allFileSize=0;
 break;
 case 2:
 FileInputStream fis = null;
 for(int i=0;i<choosefile.length ;i++){
 try {
 fis = new
 FileInputStream(choosefile[i].getPath());
 zipin = new
 ZipInputStream(new BufferedInputStream(fis));
 }
 catch (FileNotFoundException ex3) {}

 if(change2)
 unzip(choosefile[i].getPath() ,choosefile[i].getParent()  );
 else
 unzip(choosefile[i].getPath() ,firstpathto );
 }
 tip="原文件大小为"+allfilesize+
 "解压缩后的文件大小为"+filesize2;
 showtip(tip,show);
 allfilesize=0;
 filesize2=0;
 allFileSize=0;
 break;}
 }
}



private class WindowDestroyer extends WindowAdapter{
public void windowClosing(WindowEvent e){
System.exit(0) ;
}
}}