Android InputStream Unzip unpackZip(InputStream zipStream, String unpackPath)

Description

Unzip the specified file from a file Be sure to set : <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" /> Modified from: Source: http://stackoverflow.com/questions/3382996/how-to-unzip-files-programmatically-in-android

Parameter

Parameter	Description
file	input stream
unpackPath	path where file should be unpacked

Declaration

public static boolean unpackZip(InputStream zipStream, String unpackPath) 

Method Source Code

//package com.java2s;
import java.io.BufferedInputStream;
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.ZipInputStream;

public class Main {
    /**//  w  w w .ja va2  s  .c o  m
     * Unzip the specified file from a file 
     * 
     * Be sure to set : <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
     * 
     * Modified from:  
     * Source: http://stackoverflow.com/questions/3382996/how-to-unzip-files-programmatically-in-android
     * 
     * @param zip target zip file
     * @param unpackPath path where file should be unpacked
     * @return
     */
    public static boolean unpackZip(File zip, String unpackPath) {

        InputStream is;
        ZipInputStream zis;
        try {

            String filename;
            is = new FileInputStream(zip);
            zis = new ZipInputStream(new BufferedInputStream(is));
            ZipEntry ze;
            byte[] buffer = new byte[1024];
            int count;

            while ((ze = zis.getNextEntry()) != null) {

                filename = ze.getName();
                FileOutputStream fout = new FileOutputStream(unpackPath
                        + filename);

                while ((count = zis.read(buffer)) != -1) {
                    fout.write(buffer, 0, count);
                }

                fout.close();
                zis.closeEntry();
            }

            zis.close();
        } catch (IOException e) {
            e.printStackTrace();
            return false;
        }

        return true;
    }

    /**
     * Unzip the specified file from a file 
     * 
     * Be sure to set : <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
     * 
     * Modified from:  
     * Source: http://stackoverflow.com/questions/3382996/how-to-unzip-files-programmatically-in-android
     * 
     * @param file input stream 
     * @param unpackPath path where file should be unpacked
     * @return
     */
    public static boolean unpackZip(InputStream zipStream, String unpackPath) {

        InputStream is;
        ZipInputStream zis;
        try {

            String filename;
            zis = new ZipInputStream(new BufferedInputStream(zipStream));
            ZipEntry ze;
            byte[] buffer = new byte[1024];
            int count;

            while ((ze = zis.getNextEntry()) != null) {

                filename = ze.getName();
                FileOutputStream fout = new FileOutputStream(unpackPath
                        + filename);

                while ((count = zis.read(buffer)) != -1) {
                    fout.write(buffer, 0, count);
                }

                fout.close();
                zis.closeEntry();
            }

            zis.close();
        } catch (IOException e) {
            e.printStackTrace();
            return false;
        }

        return true;
    }
}

Related

1. unZip(InputStream in, String destDir)
2. unZip(InputStream is, String filename, String folderPath)
3. unzip(InputStream fileIn, File dirOut)
4. decompress(InputStream is, OutputStream os)
5. decompress(InputStream is, OutputStream os)
6. decompress(InputStream is, OutputStream os)