ZipUtility.java

/**
 * Copyright (c) 2003-2009, Xith3D Project Group all rights reserved.
 * 
 * Portions based on the Java3D interface, Copyright by Sun Microsystems.
 * Many thanks to the developers of Java3D and Sun Microsystems for their
 * innovation and design.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 * 
 * Redistributions of source code must retain the above copyright notice,
 * this list of conditions and the following disclaimer.
 * 
 * Redistributions in binary form must reproduce the above copyright notice,
 * this list of conditions and the following disclaimer in the documentation
 * and/or other materials provided with the distribution.
 * 
 * Neither the name of the 'Xith3D Project Group' nor the names of its
 * contributors may be used to endorse or promote products derived from this
 * software without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) A
 * RISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE
 */
package org.xith3d.utility.general;

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.zip.ZipEntry;
import java.util.zip.ZipOutputStream;

/**
 * @author David Yazel
 */
public class ZipUtility
{
    public ZipUtility()
    {
    }
    
    public static void zipFiles( String filename, String[] files ) throws IOException
    {
        ZipOutputStream zip = new ZipOutputStream( new BufferedOutputStream( new FileOutputStream( filename ) ) );
        
        byte[] buffer = new byte[ 10000 ];
        
        for ( int i = 0; i < files.length; i++ )
        {
            File f = new File( files[ i ] );
            
            if ( f.exists() )
            {
                BufferedInputStream in = new BufferedInputStream( new FileInputStream( files[ i ] ) );
                zip.putNextEntry( new ZipEntry( files[ i ] ) );
                
                boolean done = false;
                
                while ( !done )
                {
                    int num = in.read( buffer );
                    
                    if ( num > 0 )
                    {
                        zip.write( buffer, 0, num );
                    }
                    
                    done = ( num < buffer.length );
                }
                
                in.close();
            }
        }
        
        zip.flush();
        zip.close();
    }
    
    /*
    public static void main( String[] args )
    {
        new ZipUtility();
    }
    */
}