Java Unzip to Folder unzip(String sourceFileName, String destPath)

Description

unzip

License

Sun Public License Notice

Declaration

public static void unzip(String sourceFileName, String destPath) throws ZipException, IOException 

Method Source Code

//package com.java2s;
/*****************************************************************************
 *                                                                           *
 *  This file is part of the tna framework distribution.                     *
 *  Documentation and updates may be get from  biaoping.yin the author of    *
 *  this framework                          *
 *                                                                           *
 *  Sun Public License Notice:                                               *
 *                                                                           *
 *  The contents of this file are subject to the Sun Public License Version  *
 *  1.0 (the "License"); you may not use this file except in compliance with *
 *  the License. A copy of the License is available at http://www.sun.com    *
 *                                                                           *
 *  The Original Code is tag. The Initial Developer of the Original          *
 *  Code is biaoping yin. Portions created by biaoping yin are Copyright     *
 *  (C) 2000.  All Rights Reserved.                                          *
 *                                                                           *
 *  GNU Public License Notice:                                               *
 *                                                                           *
 *  Alternatively, the contents of this file may be used under the terms of  *
 *  the GNU Lesser General Public License (the "LGPL"), in which case the    *
 *  provisions of LGPL are applicable instead of those above. If you wish to *
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 *  this file under either the SPL or the LGPL.                              *
 *                                                                           *
 *  biaoping.yin (yin-bp@163.com)                                            *
 *  Author of Learning Java                                        *
 *                                                                           *
 *****************************************************************************/

import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.BufferedReader;

import java.io.File;

import java.io.FileOutputStream;
import java.io.FileReader;

import java.io.IOException;
import java.io.InputStream;

import java.util.Enumeration;

import java.util.zip.ZipEntry;
import java.util.zip.ZipException;
import java.util.zip.ZipFile;

public class Main {
    private static final int EOF = -1;

    public static void unzip(String sourceFileName, String destPath) throws ZipException, IOException {
        ZipFile zf = null;/*from   w  w w  .jav a 2s  . c o  m*/
        //        if (sourceFileName.endsWith(".zip") || sourceFileName.endsWith(".war"))
        try {
            zf = new ZipFile(sourceFileName);
            Enumeration en = zf.entries();

            while (en.hasMoreElements()) {
                ZipEntry zipEnt = (ZipEntry) en.nextElement();
                saveEntry(destPath, zipEnt, zf);

            }

        } finally {
            if (zf != null)
                zf.close();
        }

    }

    public static void saveEntry(String destPath, ZipEntry target, ZipFile zf) throws ZipException, IOException {
        InputStream is = null;
        BufferedInputStream bis = null;
        FileOutputStream fos = null;
        BufferedOutputStream bos = null;
        try {
            File file = new File(destPath + "/" + target.getName());
            if (target.isDirectory()) {
                file.mkdirs();
            } else {
                is = zf.getInputStream(target);
                bis = new BufferedInputStream(is);
                File dir = new File(file.getParent());
                dir.mkdirs();
                fos = new FileOutputStream(file);
                bos = new BufferedOutputStream(fos);

                int c;
                while ((c = bis.read()) != EOF) {
                    bos.write((byte) c);
                }
                bos.flush();
            }
        } catch (ZipException e) {
            throw e;
        } catch (IOException e) {
            throw e;
        } finally {
            try {
                if (bis != null)
                    bis.close();
            } catch (Exception e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }
            try {
                if (is != null)
                    is.close();
            } catch (Exception e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }
            try {
                if (bos != null)
                    bos.close();
            } catch (Exception e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }
            try {
                if (fos != null)
                    fos.close();
            } catch (Exception e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }
        }
    }

    public static StringBuffer read(String file) throws Exception {
        BufferedReader in = null;
        StringBuffer sb = new StringBuffer();
        String s = null;
        StringBuffer stringbuffer;
        try {
            in = new BufferedReader(new FileReader(file));
            while ((s = in.readLine()) != null)
                sb.append(s).append('\n');
            stringbuffer = sb;
        } finally {
            if (in != null)
                in.close();
        }
        return stringbuffer;
    }
}

Related

1. unzip(String path, int buffer)
2. unZip(String pathDest, BufferedInputStream buffInputStream)
3. unzip(String sourceFile, String destDir)
4. unzip(String sourceFile, String destDir)
5. unzip(String sourceFile, String toDir)
6. unzip(String sourceZip, String targetDirectory)
7. unzip(String src, String dest, PrintStream stream)
8. unzip(String sZip)
9. unzip(String toUnpackName)