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zhangdaiscott
9 years ago
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package org.jeecgframework.core.util;
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import java.io.BufferedInputStream;
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import java.io.BufferedOutputStream;
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import java.io.File;
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import java.io.FileInputStream;
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import java.io.FileOutputStream;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.OutputStream;
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import java.util.ArrayList;
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import java.util.Enumeration;
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import java.util.List;
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import java.util.zip.ZipOutputStream;
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import org.apache.tools.zip.ZipEntry;
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import org.apache.tools.zip.ZipFile;
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public class ZipUtil {
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/**
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* 解压到指定目录
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*
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* @param zipPath
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* @param descDir
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* @author isea533
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*/
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@Deprecated
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public static void unZipFiles(String zipPath, String descDir)
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throws IOException {
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unZipFiles(new File(zipPath), descDir);
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}
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/**
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* 解压文件到指定目录
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*
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* @param zipFile
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* @param descDir
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* @author isea533
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*/
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@SuppressWarnings("rawtypes")
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public static void unZipFiles(File zipFile, String descDir)
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throws IOException {
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File pathFile = new File(descDir);
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if (!pathFile.exists()) {
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pathFile.mkdirs();
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}
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ZipFile zip = new ZipFile(zipFile);
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for (Enumeration entries = zip.getEntries(); entries.hasMoreElements();) {
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ZipEntry entry = (ZipEntry) entries.nextElement();
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String zipEntryName = entry.getName();
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InputStream in = zip.getInputStream(entry);
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String outPath = (descDir + zipEntryName).replaceAll("\\*", "/");
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outPath = new String(outPath.getBytes("utf-8"), "ISO8859-1");
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;
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// 判断路径是否存在,不存在则创建文件路径
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File file = new File(outPath.substring(0, outPath.lastIndexOf('/')));
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if (!file.exists()) {
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file.mkdirs();
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}
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// 判断文件全路径是否为文件夹,如果是上面已经上传,不需要解压
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if (new File(outPath).isDirectory()) {
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continue;
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}
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// 输出文件路径信息
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//System.out.println(outPath);
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OutputStream out = new FileOutputStream(outPath);
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byte[] buf1 = new byte[1024];
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int len;
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while ((len = in.read(buf1)) > 0) {
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out.write(buf1, 0, len);
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}
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in.close();
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out.close();
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}
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}
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/**
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* 递归压缩文件
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*
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* @param source
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* 源路径,可以是文件,也可以目录
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* @param destinct
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* 目标路径,压缩文件名
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* @throws IOException
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*/
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public static void compress(String source, String destinct)
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throws IOException {
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List fileList = loadFilename(new File(source));
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ZipOutputStream zos = new ZipOutputStream(new FileOutputStream(
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new File(destinct)));
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byte[] buffere = new byte[8192];
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int length;
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BufferedInputStream bis;
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for (int i = 0; i < fileList.size(); i++) {
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File file = (File) fileList.get(i);
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zos.putNextEntry(new ZipEntry(getEntryName(source, file)));
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bis = new BufferedInputStream(new FileInputStream(file));
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while (true) {
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length = bis.read(buffere);
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if (length == -1)
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break;
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zos.write(buffere, 0, length);
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}
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bis.close();
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zos.closeEntry();
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}
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zos.close();
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}
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/**
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* 递归获得该文件下所有文件名(不包括目录名)
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*
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* @param file
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* @return
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*/
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private static List loadFilename(File file) {
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List filenameList = new ArrayList();
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if (file.isFile()) {
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filenameList.add(file);
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}
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if (file.isDirectory()) {
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for (File f : file.listFiles()) {
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filenameList.addAll(loadFilename(f));
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}
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}
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return filenameList;
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}
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/**
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* 获得zip entry 字符串
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*
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* @param base
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* @param file
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* @return
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*/
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private static String getEntryName(String base, File file) {
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File baseFile = new File(base);
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String filename = file.getPath();
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// int index=filename.lastIndexOf(baseFile.getName());
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if (baseFile.getParentFile().getParentFile() == null)
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return filename.substring(baseFile.getParent().length());
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return filename.substring(baseFile.getParent().length() + 1);
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}
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public static void main(String[] args) throws IOException {
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//compress("D:/tomcat-5.5.20","d:/test/testZip.zip");
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unZip("D:/saas-plugin-web-master-shiro-mybatis.zip","D:/123");
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}
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private static final int buffer = 2048;
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/**
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* 解压Zip文件
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* @param path 文件目录
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*/
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public static void unZip(String path,String savepath)
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{
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int count = -1;
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File file = null;
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InputStream is = null;
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FileOutputStream fos = null;
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BufferedOutputStream bos = null;
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new File(savepath).mkdir(); //创建保存目录
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ZipFile zipFile = null;
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try
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{
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zipFile = new ZipFile(path,"gbk"); //解决中文乱码问题
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Enumeration<?> entries = zipFile.getEntries();
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while(entries.hasMoreElements())
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{
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byte buf[] = new byte[buffer];
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ZipEntry entry = (ZipEntry)entries.nextElement();
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String filename = entry.getName();
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boolean ismkdir = false;
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if(filename.lastIndexOf("/") != -1){ //检查此文件是否带有文件夹
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ismkdir = true;
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}
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filename = savepath + filename;
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if(entry.isDirectory()){ //如果是文件夹先创建
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file = new File(filename);
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file.mkdirs();
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continue;
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}
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file = new File(filename);
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if(!file.exists()){ //如果是目录先创建
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if(ismkdir){
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new File(filename.substring(0, filename.lastIndexOf("/"))).mkdirs(); //目录先创建
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}
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}
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file.createNewFile(); //创建文件
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is = zipFile.getInputStream(entry);
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fos = new FileOutputStream(file);
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bos = new BufferedOutputStream(fos, buffer);
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while((count = is.read(buf)) > -1)
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{
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bos.write(buf, 0, count);
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}
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bos.flush();
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bos.close();
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fos.close();
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is.close();
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}
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zipFile.close();
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}catch(IOException ioe){
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ioe.printStackTrace();
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}finally{
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try{
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if(bos != null){
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bos.close();
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}
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if(fos != null) {
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fos.close();
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}
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if(is != null){
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is.close();
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}
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if(zipFile != null){
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zipFile.close();
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}
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}catch(Exception e) {
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e.printStackTrace();
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}
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}
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}
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}
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