Java Zip Directory addDirectoryToZip(ZipOutputStream zipOutputStream, File dirToZip, String basePath, File fileToExclude)

Description

Add the content of a directory recursively to the zip.

License

Apache License

Parameter

Parameter	Description
zipOutputStream	the stream to add the files to
dirToZip	the directory to zip
basePath	the base path for determining the name of the zip entry
fileToExclude	an optional file to not add to the zip, for instance if the zip file is created in the directory to zip

Exception

Parameter	Description
IOException	in case reading the files to write or writing to the zip failed

Declaration

private static void addDirectoryToZip(ZipOutputStream zipOutputStream, File dirToZip, String basePath,
        File fileToExclude) throws IOException 

Method Source Code

//package com.java2s;
//License from project: Apache License 

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 {
    /**//  w  w  w.  ja  v a 2  s  . c  o m
     * Add the content of a directory recursively to the zip.
     *
     * @param zipOutputStream
     *            the stream to add the files to
     * @param dirToZip
     *            the directory to zip
     * @param basePath
     *            the base path for determining the name of the zip entry
     * @param fileToExclude
     *            an optional file to not add to the zip, for instance if the zip file is created in
     *            the directory to zip
     * @throws IOException
     *             in case reading the files to write or writing to the zip failed
     */
    private static void addDirectoryToZip(ZipOutputStream zipOutputStream, File dirToZip, String basePath,
            File fileToExclude) throws IOException {
        for (File file : dirToZip.listFiles()) {
            if (file.isDirectory()) {
                addDirectoryToZip(zipOutputStream, file, basePath, fileToExclude);
            } else if (!file.equals(fileToExclude)) {
                addFileToZip(zipOutputStream, file, basePath);
            }
        }
    }

    /**
     * Add a file to the zip. The name of the zip entry will be relative to the given basePath.
     *
     * @param zipOutputStream
     *            stream to add the file to
     * @param file
     *            the file to add. It is assumed that it is a file and not a directory.
     * @param basePath
     *            the base path for determining the name of the zip entry
     * @throws IOException
     *             in case reading the files to write or writing to the zip failed
     */
    private static void addFileToZip(ZipOutputStream zipOutputStream, File file, String basePath)
            throws IOException {
        // get relative file name starting after the base path, have to add 1 to length for
        // path-separator character
        String relativeFilename = file.getCanonicalPath().substring(basePath.length() + 1,
                file.getCanonicalPath().length());
        ZipEntry zipEntry = new ZipEntry(relativeFilename);
        zipOutputStream.putNextEntry(zipEntry);
        try (FileInputStream fileInputStream = new FileInputStream(file);) {
            byte[] inputBuffer = new byte[1024];
            int bytesRead;
            while ((bytesRead = fileInputStream.read(inputBuffer)) != -1) {
                zipOutputStream.write(inputBuffer, 0, bytesRead);
            }
        }
    }
}

Related

1. addDirectoryToZip(File directory, File base, String dirPrefix, ZipOutputStream zos)
2. addDirectoryToZip(ZipOutputStream out, File dir, String prefix)
3. addDirectoryToZip(ZipOutputStream zipOutputStream, String dirName)
4. addDirToArchive(ZipOutputStream zop, File srcFile)
5. addDirToArchive(ZipOutputStream zos, File srcFile)
6. addDirToArchive(ZipOutputStream zos, String path, File initialDir)