Android Zip Unzip File zipFileAtPath(File sourceFile, String toLocation)

Description

zip File At Path

Declaration

public static boolean zipFileAtPath(File sourceFile, String toLocation) 

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;

public class Main {
    public static boolean zipFileAtPath(File sourceFile, String toLocation) {
        // ArrayList<String> contentList = new ArrayList<String>();
        final int BUFFER = 2048;

        try {/*from   ww  w .  j a v a2s .  c  o m*/
            BufferedInputStream origin = null;
            FileOutputStream dest = new FileOutputStream(toLocation);
            ZipOutputStream out = new ZipOutputStream(
                    new BufferedOutputStream(dest));
            if (sourceFile.isDirectory()) {
                zipSubFolder(out, sourceFile, sourceFile.getParent()
                        .length());
            } else {
                byte data[] = new byte[BUFFER];
                FileInputStream fi = new FileInputStream(sourceFile);
                origin = new BufferedInputStream(fi, BUFFER);
                ZipEntry entry = new ZipEntry(
                        getLastPathComponent(sourceFile));
                out.putNextEntry(entry);
                int count;
                while ((count = origin.read(data, 0, BUFFER)) != -1) {
                    out.write(data, 0, count);
                }
            }
            out.close();
        } catch (Exception e) {
            e.printStackTrace();
            return false;
        }
        return true;
    }

    private static void zipSubFolder(ZipOutputStream out, File folder,
            int basePathLength) throws IOException {

        final int BUFFER = 2048;

        File[] fileList = folder.listFiles();
        BufferedInputStream origin = null;
        for (File file : fileList) {
            if (file.isDirectory()) {
                zipSubFolder(out, file, basePathLength);
            } else {
                byte data[] = new byte[BUFFER];
                String unmodifiedFilePath = file.getPath();
                String relativePath = unmodifiedFilePath
                        .substring(basePathLength + 1);

                FileInputStream fi = new FileInputStream(unmodifiedFilePath);
                origin = new BufferedInputStream(fi, BUFFER);
                ZipEntry entry = new ZipEntry(relativePath);
                out.putNextEntry(entry);
                int count;
                while ((count = origin.read(data, 0, BUFFER)) != -1) {
                    out.write(data, 0, count);
                }
                origin.close();
            }
        }
    }

    public static String getLastPathComponent(File file) {
        String[] segments = file.getAbsolutePath().split("/");
        String lastPathComponent = segments[segments.length - 1];
        return lastPathComponent;
    }
}

Related

1. zip(String[] files, String zipFile)
2. zip(File srcFile, File targetFile)
3. zip(File[] _files, File _zipFile)
4. zip(List listFiles, String destZipFilePath)
5. zipFile(File source, String basePath, ZipOutputStream zos)
6. decompress(File file)
7. decompress(File file)
8. decompress(File file, boolean delete)
9. decompress(File file, boolean delete)