Android Zip Unzip File unzip(String sourceFileName, String destPath)

Description

unzip

License

Sun Public License Notice

Declaration

public static List 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                          *
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 *  Sun Public License Notice:                                               *
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 *  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.                                          *
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 *  GNU Public License Notice:                                               *
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 *  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    *
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 *  this file under either the SPL or the LGPL.                              *
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 *  biaoping.yin (yin-bp@163.com)                                            *
 *  Author of Learning Java                                        *
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 *****************************************************************************/

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.ArrayList;
import java.util.Enumeration;
import java.util.List;

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 List unzip(String sourceFileName, String destPath)
            throws ZipException, IOException {
        if (sourceFileName.endsWith(".zip")) {
            ZipFile zf = new ZipFile(sourceFileName);
            Enumeration en = zf.entries();
            List v = new ArrayList();

            while (en.hasMoreElements()) {
                ZipEntry zipEnt = (ZipEntry) en.nextElement();
                saveEntry(destPath, zipEnt, zf);
                if (!zipEnt.isDirectory()) {
                    // ??zip???????????
                    v.add(zipEnt.getName());
                }//ww w .  j a v  a  2s.  co m
            }
            zf.close();
            return v;
        } else {
            return null;
        }
    }

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

                int c;
                while ((c = bis.read()) != EOF) {
                    bos.write((byte) c);
                }
                bos.close();
                fos.close();
            }
        } catch (ZipException e) {
            throw e;
        } catch (IOException e) {
            throw e;
        }
    }

    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. gUnzip(File srcFile, File destFile)
2. unJarDirectory(final String in, final File fOut)
3. unzip(File pZipFile)
4. zip(String filePath, String zipPath)
5. zip(String sourceDir, String zipFile)
6. zip(String[] files, String destZipFilePath)
7. zip(String[] files, String zipFile)