Android Zip Unzip File zip(String sourceDir, String zipFile)

Description

zip

License

Apache License

Declaration

public static void zip(String sourceDir, String zipFile)
            throws Exception 

Method Source Code

//package com.java2s;
/*Copyright (C) 2012 Crow Hou (crow_hou@126.com)

 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
 You may obtain a copy of the License at

 http://www.apache.org/licenses/LICENSE-2.0

 Unless required by applicable law or agreed to in writing, software
 distributed under the License is distributed on an "AS IS" BASIS,
 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 See the License for the specific language governing permissions and
 limitations under the License.*/

import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileInputStream;

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

import java.util.zip.ZipEntry;

import java.util.zip.ZipOutputStream;

public class Main {
    public static void zip(String sourceDir, String zipFile)
            throws Exception {
        ZipOutputStream zos = null;
        try {//from w  w w .ja va 2s .  c o  m
            zos = new ZipOutputStream(new BufferedOutputStream(
                    new FileOutputStream(zipFile)));
            File file = new File(sourceDir);
            String basePath = null;
            if (file.isDirectory()) {
                basePath = file.getPath();
            } else {
                basePath = file.getParent();
            }
            zipFile(file, basePath, zos);
        } finally {
            if (zos != null) {
                try {
                    zos.closeEntry();
                } catch (IOException e) {
                    // donothing
                }
                try {
                    zos.flush();
                    zos.close();
                } catch (IOException e) {
                    // do nothing
                }
            }
        }
    }

    /**
     * 
     * create date:2009- 6- 9 author:Administrator
     * 
     * @param source
     * @param basePath
     * @param zos
     * @throws IOException
     */
    private static void zipFile(File source, String basePath,
            ZipOutputStream zos) throws Exception {
        File[] files = null;

        if (source.isDirectory()) {
            files = source.listFiles();
        } else {
            files = new File[1];
            files[0] = source;
        }

        String pathName;
        byte[] buf = new byte[1024];
        int length = 0;

        for (File file : files) {
            if (file.isDirectory()) {
                pathName = file.getPath().substring(basePath.length() + 1)
                        + "/";
                zos.putNextEntry(new ZipEntry(pathName));
                zipFile(file, basePath, zos);
            } else {
                pathName = file.getPath().substring(basePath.length() + 1);
                InputStream is = null;
                try {
                    is = new BufferedInputStream(new FileInputStream(file));
                    zos.putNextEntry(new ZipEntry(pathName));
                    while ((length = is.read(buf)) != -1) {
                        zos.write(buf, 0, length);
                    }
                } finally {
                    is.close();
                }
            }
        }

    }
}

Related

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