package com.vr.util;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.ArrayList;
import java.util.Enumeration;
import java.util.List;
import org.apache.tools.zip.ZipEntry;
import org.apache.tools.zip.ZipFile;
import org.apache.tools.zip.ZipOutputStream;
/**
* 压缩或解压zip：
* 由于直接使用java.util.zip工具包下的类，会出现中文乱码问题，所以使用ant.jar中的org.apache.tools.zip下的工具类
* @author Administrator
*/
public class ZipUtil {
private static byte[] _byte = new byte[1024] ;
/**
* 压缩文件或路径
* @param zip 压缩的目的地址
* @param srcFiles 压缩的源文件
*/
public static void zipFile( String zip , List<File> srcFiles ){
try {
if( zip.endsWith(".zip") || zip.endsWith(".ZIP") ){
ZipOutputStream _zipOut = new ZipOutputStream(new FileOutputStream(new File(zip))) ;
_zipOut.setEncoding("GBK");
for( File _f : srcFiles ){
handlerFile(zip , _zipOut , _f , "");
}
_zipOut.close();
}else{
System.out.println("target file[" + zip + "] is not .zip type file");
}
} catch (FileNotFoundException e) {
} catch (IOException e) {
}
}
/**
*
* @param zip 压缩的目的地址
* @param zipOut
* @param srcFile 被压缩的文件信息
* @param path 在zip中的相对路径
* @throws IOException
*/
private static void handlerFile(String zip , ZipOutputStream zipOut , File srcFile , String path ) throws IOException{
System.out.println(" begin to compression file[" + srcFile.getName() + "]");
if( !"".equals(path) && ! path.endsWith(File.separator)){
path += File.separator ;
}
if( ! srcFile.getPath().equals(zip) ){
if( srcFile.isDirectory() ){
File[] _files = srcFile.listFiles() ;
if( _files.length == 0 ){
zipOut.putNextEntry(new ZipEntry( path + srcFile.getName() + File.separator));
zipOut.closeEntry();
}else{
for( File _f : _files ){
handlerFile( zip ,zipOut , _f , path + srcFile.getName() );
}
}
}else{
InputStream _in = new FileInputStream(srcFile) ;
zipOut.putNextEntry(new ZipEntry(path + srcFile.getName()));
int len = 0 ;
while( (len = _in.read(_byte)) > 0 ){
zipOut.write(_byte, 0, len);
}
_in.close();
zipOut.closeEntry();
}
}
}
/**
* 解压缩ZIP文件，将ZIP文件里的内容解压到targetDIR目录下
* @param zipName 待解压缩的ZIP文件名
* @param targetBaseDirName 目标目录
*/
public static List<File> upzipFile(String zipPath, String descDir) {
return upzipFile( new File(zipPath) , descDir ) ;
}
/**
* 对.zip文件进行解压缩
* @param zipFile 解压缩文件
* @param descDir 压缩的目标地址，如：D:\\测试 或 /mnt/d/测试
* @return
*/
@SuppressWarnings("rawtypes")
public static List<File> upzipFile(File zipFile, String descDir) {
List<File> _list = new ArrayList<File>() ;
try {
ZipFile _zipFile = new ZipFile(zipFile , "GBK") ;
for( Enumeration entries = _zipFile.getEntries() ; entries.hasMoreElements() ; ){
ZipEntry entry = (ZipEntry)entries.nextElement() ;
File _file = new File(descDir + File.separator + entry.getName()) ;
if( entry.isDirectory() ){
_file.mkdirs() ;
}else{
File _parent = _file.getParentFile() ;
if( !_parent.exists() ){
_parent.mkdirs() ;
}
InputStream _in = _zipFile.getInputStream(entry);
OutputStream _out = new FileOutputStream(_file) ;
int len = 0 ;
while( (len = _in.read(_byte)) > 0){
_out.write(_byte, 0, len);
}
_in.close();
_out.flush();
_out.close();
_list.add(_file) ;
}
}
} catch (IOException e) {
return null;
}
return _list ;
}
/**
* 对临时生成的文件夹和文件夹下的文件进行删除
*/
public static void deletefile(String delpath) {
try {
File file = new File(delpath);
if (!file.isDirectory()) {
file.delete();
} else if (file.isDirectory()) {
String[] filelist = file.list();
for (int i = 0; i < filelist.length; i++) {
File delfile = new File(delpath + File.separator + filelist[i]);
if (!delfile.isDirectory()) {
delfile.delete();
} else if (delfile.isDirectory()) {
deletefile(delpath + File.separator + filelist[i]);
}
}
file.delete();
}
} catch (Exception e) {
e.printStackTrace();
}
}
public static void main(String[] args) {}
}
