Adds a directory to the current zip output stream - Java File Path IO

Java examples for File Path IO:Zip File

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Description

Adds a directory to the current zip output stream

Demo Code


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

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

import java.io.IOException;

import java.util.zip.ZipEntry;

import java.util.zip.ZipOutputStream;

public class Main {
    /**//from   w ww . j  a  v a 2 s  .c  o m
     * Size of the buffer to read/write data
     */
    private static final int BUFFER_SIZE = 4096;

    /**
     * Adds a directory to the current zip output stream
     * 
     * @param folder
     *            the directory to be added
     * @param parentFolder
     *            the path of parent directory
     * @param zos
     *            the current zip output stream
     * @throws FileNotFoundException
     * @throws IOException
     */
    private static void zipDirectory(File folder, String parentFolder,
            ZipOutputStream zos) throws FileNotFoundException, IOException {
        for (File file : folder.listFiles()) {
            if (file.isDirectory()) {
                zipDirectory(file, parentFolder + "/" + file.getName(), zos);
                continue;
            }
            zos.putNextEntry(new ZipEntry(parentFolder + "/"
                    + file.getName()));
            BufferedInputStream bis = null;
            try {
                bis = new BufferedInputStream(new FileInputStream(file));
                long bytesRead = 0;
                byte[] bytesIn = new byte[BUFFER_SIZE];
                int read = 0;
                while ((read = bis.read(bytesIn)) != -1) {
                    zos.write(bytesIn, 0, read);
                    bytesRead += read;
                }
                zos.closeEntry();
            } finally {
                bis.close();
            }
        }
    }
}

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