Java Zip Folder zipDir(File zipDir, ZipOutputStream zos, String name)

Description

zip Dir

License

Open Source License

Declaration

static void zipDir(File zipDir, ZipOutputStream zos, String name) throws IOException 

Method Source Code

//package com.java2s;
/*/*from  w  ww  .j a  v  a2 s  . c o  m*/
 * Copyright (C) 2011 Peransin Nicolas.
 * Use is subject to license terms.
 */

import java.io.File;
import java.io.FileInputStream;

import java.io.IOException;
import java.util.zip.ZipEntry;

import java.util.zip.ZipOutputStream;

public class Main {
    public static final String ZIP_FILE_SEPARATOR = "/";
    public static final int BUFFER_SIZE = 2156;
    public static final boolean DEBUG = false;

    static void zipDir(File zipDir, ZipOutputStream zos, String name) throws IOException {
        // Create a new File object based on the directory we have to zip
        if (name.endsWith(File.separator))
            name = name.substring(0, name.length() - File.separator.length());
        if (!name.endsWith(ZIP_FILE_SEPARATOR))
            name = name + ZIP_FILE_SEPARATOR;

        // Place the zip entry in the ZipOutputStream object

        // Get a listing of the directory content
        File[] dirList = zipDir.listFiles();
        if (dirList.length == 0) { // empty directory
            if (DEBUG)
                System.out.println("Add empty entry for directory : " + name);
            ZipEntry anEntry = new ZipEntry(name);
            zos.putNextEntry(anEntry);
            return;
        }

        // Loop through dirList, and zip the files
        for (int i = 0; i < dirList.length; i++) {
            File f = dirList[i];
            String fName = name + f.getName();
            if (f.isDirectory()) {
                // if the File object is a directory, call this
                // function again to add its content recursively
                zipDir(f, zos, fName);
            } else {
                zipFile(f, zos, fName);
            }
        }
        return;
    }

    static void zipFile(File zipfile, ZipOutputStream zos, String name) throws IOException {
        // if we reached here, the File object f was not a directory 
        // create a FileInputStream on top of f

        FileInputStream fis = new FileInputStream(zipfile);
        try {
            // create a new zip entry 
            ZipEntry anEntry = new ZipEntry(name);
            if (DEBUG)
                System.out.println("Add file : " + name);
            // place the zip entry in the ZipOutputStream object
            zos.putNextEntry(anEntry);
            // now write the content of the file to the
            // ZipOutputStream
            byte[] readBuffer = new byte[BUFFER_SIZE];
            for (int bytesIn = fis.read(readBuffer); bytesIn != -1; bytesIn = fis.read(readBuffer)) {
                zos.write(readBuffer, 0, bytesIn);
            }
        } finally {
            // close the Stream
            fis.close();
        }
    }
}

Related

1. zipDir(File directory, ZipOutputStream zos, String path, Set exclusions)
2. zipDir(File sourceDir, File destFile)
3. zipDir(File zipDir, ZipOutputStream zos, boolean recurse)
4. zipDir(File zipDir, ZipOutputStream zos, String archiveSourceDir)
5. zipDir(File zipDir, ZipOutputStream zos, String basePath)
6. zipDir(File zipFile, File dir, boolean includeRoot)
7. zipDir(File zipFile, File dirObj)
8. zipDir(final String dir2zip, final ZipOutputStream zos, final String root)
9. zipDir(String baseDir, String dir2zip, ZipOutputStream zos)