Java Zip File zip(File toZip, File outFile)

Description

Zips the specified file or folder

License

Open Source License

Parameter

Parameter	Description
toZip	a parameter
outFile	a parameter

Exception

Parameter	Description
IOException	an exception

Declaration

public static void zip(File toZip, File outFile) throws IOException 

Method Source Code

//package com.java2s;
/**//from   ww w.j av a 2 s . c om
 * OrbisGIS is a GIS application dedicated to scientific spatial simulation.
 * This cross-platform GIS is developed at French IRSTV institute and is able to
 * manipulate and create vector and raster spatial information.
 *
 * OrbisGIS is distributed under GPL 3 license. It is produced by the "Atelier SIG"
 * team of the IRSTV Institute <http://www.irstv.fr/> CNRS FR 2488.
 *
 * Copyright (C) 2007-2012 IRSTV (FR CNRS 2488)
 *
 * This file is part of OrbisGIS.
 *
 * OrbisGIS is free software: you can redistribute it and/or modify it under the
 * terms of the GNU General Public License as published by the Free Software
 * Foundation, either version 3 of the License, or (at your option) any later
 * version.
 *
 * OrbisGIS is distributed in the hope that it will be useful, but WITHOUT ANY
 * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
 * A PARTICULAR PURPOSE. See the GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along with
 * OrbisGIS. If not, see <http://www.gnu.org/licenses/>.
 *
 * For more information, please consult: <http://www.orbisgis.org/>
 * or contact directly:
 * info_at_ orbisgis.org
 */

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.ArrayList;
import java.util.Arrays;
import java.util.zip.ZipEntry;

import java.util.zip.ZipOutputStream;

public class Main {
    private static final int BUF_SIZE = 1024 * 64;

    /**
     * Zips the specified file or folder
     *
     * @param toZip
     * @param outFile
     * @throws IOException
     */
    public static void zip(File toZip, File outFile) throws IOException {
        ZipOutputStream out = null;
        try {
            out = new ZipOutputStream(new BufferedOutputStream(new FileOutputStream(outFile)));

            byte[] data = new byte[BUF_SIZE];
            ArrayList<File> listToZip = new ArrayList<File>();
            listToZip.add(toZip);

            while (listToZip.size() > 0) {
                File file = listToZip.remove(0);
                if (file.isDirectory()) {
                    File[] children = file.listFiles();
                    listToZip.addAll(Arrays.asList(children));
                } else {
                    BufferedInputStream in = null;
                    try {
                        in = new BufferedInputStream(new FileInputStream(file), BUF_SIZE);

                        out.putNextEntry(new ZipEntry(getRelativePath(toZip, file)));
                        int count = in.read(data, 0, BUF_SIZE);
                        while (count != -1) {
                            out.write(data, 0, count);
                            count = in.read(data, 0, BUF_SIZE);
                        }
                        out.closeEntry(); // close each entry
                    } finally {
                        if (in != null) {
                            in.close();
                        }
                    }
                }
            }
            out.flush();
        } finally {
            if (out != null) {
                out.close();
            }
        }
    }

    /**
     * get the relative path to file,  according to the path to base
     * @param base
     * @param file
     * @return
     */
    public static String getRelativePath(File base, File file) {
        String absolutePath = file.getAbsolutePath();
        String path = absolutePath.substring(base.getAbsolutePath().length());
        while (path.startsWith("/")) {
            path = path.substring(1);
        }
        return path;
    }
}

Related

1. zip(File src, File target)
2. zip(File srcDir, File zipFile)
3. zip(File srcDirectory, File destFile)
4. zip(File srcFile, File destFile, String archiveRoot)
5. zip(File theFileToZip)
6. zip(File[] sourceFiles, File destFile, boolean deleteOriginalFiles)
7. zip(final File dir, final File target)
8. zip(final File tempLocation, final File targetZipFile)
9. zip(final File zipFile, final File... files)