Android Zip Unzip File zip(String filePath, String zipPath)

Description

zip

Declaration

public static boolean zip(String filePath, String zipPath)

Method Source Code

//package com.java2s;
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.util.zip.ZipEntry;

import java.util.zip.ZipOutputStream;
import android.util.Log;

public class Main {
    public static final String TAG = "ZipUtil";
    private final static int BUFFER_SIZE = 8192;

    public static boolean zip(String filePath, String zipPath) {
        try {//from   ww  w  .j  a  va  2s .c o  m
            File file = new File(filePath);
            BufferedInputStream bis = null;
            FileOutputStream fos = new FileOutputStream(zipPath);
            ZipOutputStream zos = new ZipOutputStream(
                    new BufferedOutputStream(fos));
            if (file.isDirectory()) {
                int baseLength = file.getParent().length() + 1;
                zipFolder(zos, file, baseLength);
            } else {
                byte data[] = new byte[BUFFER_SIZE];
                FileInputStream fis = new FileInputStream(filePath);
                bis = new BufferedInputStream(fis, BUFFER_SIZE);
                String entryName = file.getName();
                Log.i(TAG, "zip entry " + entryName);
                ZipEntry entry = new ZipEntry(entryName);
                zos.putNextEntry(entry);
                int count;
                while ((count = bis.read(data, 0, BUFFER_SIZE)) != -1) {
                    zos.write(data, 0, count);
                }
            }
            zos.close();
        } catch (Exception e) {
            e.printStackTrace();
            return false;
        }
        return true;
    }

    private static void zipFolder(ZipOutputStream zos, File folder,
            int baseLength) throws IOException {
        if (zos == null || folder == null) {
            return;
        }
        File[] fileList = folder.listFiles();

        if (fileList == null || fileList.length == 0) {
            return;
        }

        for (File file : fileList) {
            if (file.isDirectory()) {
                zipFolder(zos, file, baseLength);
            } else {
                byte data[] = new byte[BUFFER_SIZE];
                String unmodifiedFilePath = file.getPath();
                String realPath = unmodifiedFilePath.substring(baseLength);
                Log.i(TAG, "zip entry " + realPath);
                FileInputStream fi = new FileInputStream(unmodifiedFilePath);
                BufferedInputStream bis = new BufferedInputStream(fi,
                        BUFFER_SIZE);
                ZipEntry entry = new ZipEntry(realPath);
                zos.putNextEntry(entry);
                int count;
                while ((count = bis.read(data, 0, BUFFER_SIZE)) != -1) {
                    zos.write(data, 0, count);
                }
                bis.close();
            }
        }
    }
}

Android Zip Unzip File zip(String filePath, String zipPath)

Description

Declaration

Method Source Code

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