Java Zip Directory zipDirectory(File dir, String base, ZipOutputStream zout)

Here you can find the source of zipDirectory(File dir, String base, ZipOutputStream zout)

Description

zip Directory

License

LGPL

Declaration

private static void zipDirectory(File dir, String base, ZipOutputStream zout) throws IOException 

Method Source Code

//package com.java2s;
/*******************************************************************************
 * CogTool Copyright Notice and Distribution Terms
 * CogTool 1.3, Copyright (c) 2005-2013 Carnegie Mellon University
 * This software is distributed under the terms of the FSF Lesser
 * Gnu Public License (see LGPL.txt). //from   w  ww. ja v a2s. c o m
 * 
 * CogTool is free software; you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation; either version 2.1 of the License, or
 * (at your option) any later version.
 * 
 * CogTool 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 Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public License
 * along with CogTool; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 * 
 * CogTool makes use of several third-party components, with the 
 * following notices:
 * 
 * Eclipse SWT version 3.448
 * Eclipse GEF Draw2D version 3.2.1
 * 
 * Unless otherwise indicated, all Content made available by the Eclipse 
 * Foundation is provided to you under the terms and conditions of the Eclipse 
 * Public License Version 1.0 ("EPL"). A copy of the EPL is provided with this 
 * Content and is also available at http://www.eclipse.org/legal/epl-v10.html.
 * 
 * CLISP version 2.38
 * 
 * Copyright (c) Sam Steingold, Bruno Haible 2001-2006
 * This software is distributed under the terms of the FSF Gnu Public License.
 * See COPYRIGHT file in clisp installation folder for more information.
 * 
 * ACT-R 6.0
 * 
 * Copyright (c) 1998-2007 Dan Bothell, Mike Byrne, Christian Lebiere & 
 *                         John R Anderson. 
 * This software is distributed under the terms of the FSF Lesser
 * Gnu Public License (see LGPL.txt).
 * 
 * Apache Jakarta Commons-Lang 2.1
 * 
 * This product contains software developed by the Apache Software Foundation
 * (http://www.apache.org/)
 * 
 * jopt-simple version 1.0
 * 
 * Copyright (c) 2004-2013 Paul R. Holser, Jr.
 * 
 * Permission is hereby granted, free of charge, to any person obtaining
 * a copy of this software and associated documentation files (the
 * "Software"), to deal in the Software without restriction, including
 * without limitation the rights to use, copy, modify, merge, publish,
 * distribute, sublicense, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to
 * the following conditions:
 * 
 * The above copyright notice and this permission notice shall be
 * included in all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 * 
 * Mozilla XULRunner 1.9.0.5
 * 
 * The contents of this file are subject to the Mozilla Public License
 * Version 1.1 (the "License"); you may not use this file except in
 * compliance with the License. You may obtain a copy of the License at
 * http://www.mozilla.org/MPL/.
 * Software distributed under the License is distributed on an "AS IS"
 * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
 * License for the specific language governing rights and limitations
 * under the License.
 * 
 * The J2SE(TM) Java Runtime Environment version 5.0
 * 
 * Copyright 2009 Sun Microsystems, Inc., 4150
 * Network Circle, Santa Clara, California 95054, U.S.A.  All
 * rights reserved. U.S.  
 * See the LICENSE file in the jre folder for more information.
 ******************************************************************************/

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 {
    private static void zipDirectory(File dir, String base, ZipOutputStream zout) throws IOException {
        // list all
        File[] files = dir.listFiles();
        base += dir.getName() + "/";

        if (files.length > 0) {
            // if there are files in this directory, add them (this dir is implicit)
            for (File file : files) {
                if (file.isDirectory()) {
                    // recur on directories
                    zipDirectory(file, base, zout);
                } else {
                    // add files to the stream
                    zipOneFile(file, base, zout);
                }
            }
        } else {
            // we have to add this dir explicitly as an entry
            // Build proper entry name
            String name = base + dir.getName() + '/';

            // Create a ZipEntry
            ZipEntry entry = new ZipEntry(name);
            entry.setTime(dir.lastModified());

            // Put the entry into the zip (actually, this just writes the header)
            zout.putNextEntry(entry);

            // Close off the entry (actually, this just writes more header info)
            zout.closeEntry();
        }
    }

    private static void zipOneFile(File file, String base, ZipOutputStream zout) throws IOException {
        // Build proper entry name
        String name = base + file.getName();

        // Create a ZipEntry
        ZipEntry entry = new ZipEntry(name);
        entry.setTime(file.lastModified());

        // Put the entry into the zip (actually, this just writes the header)
        zout.putNextEntry(entry);

        // Input stream for reading the file
        FileInputStream in = new FileInputStream(file);

        try {
            // Copy the file contents to the zip, 100k at a time
            long size = file.length();
            int chunkSize = 100 * 1024;
            byte[] buff = new byte[chunkSize];
            int len = chunkSize;

            for (; size > 0; size -= len) {
                if (size < chunkSize) {
                    len = (int) size;
                } else {
                    len = chunkSize;
                }

                int actualBytes = 0;
                int off = 0;
                //        System.out.print("" + '\n' + name + ' ');

                do {
                    actualBytes = in.read(buff, off, len);

                    if (actualBytes == -1) {
                        zout.write(buff, off, len);
                        //           System.out.print("!" + len + ':' + actualBytes + ':' + off + ' ');
                        throw new RuntimeException("Bad math in zip!");
                    } else {
                        zout.write(buff, off, actualBytes);
                        //            System.out.print("" + len + ':' + actualBytes + ':' + off + ' ');
                    }

                    len -= actualBytes;
                    size -= actualBytes;
                    off += actualBytes;
                } while ((len > 0));
            }
        } finally {
            // Close off the input stream
            in.close();
        }

        // Close off the entry (actually, this just writes more header info)
        zout.closeEntry();
    }
}

Related

  1. zipDirectories(List directories, File baseDirectory, File zipFile)
  2. zipDirectory(File baseDirectory, File output)
  3. zipDirectory(File dir, boolean includeDirInZip, boolean includeHidden)
  4. zipDirectory(File dir, File file)
  5. zipDirectory(File dir, File zipFile)
  6. zipDirectory(File dir, String zipDirName)
  7. zipDirectory(File directory, File zip)
  8. zipDirectory(File directory, File zip)
  9. zipDirectory(File directory, File zipFile)