/* * @(#)ZipManager.java * * Copyright (c) 2001, JangHo Hwang * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 	1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * 	2. 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. * * 	3. Neither the name of the JangHo Hwang 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 REGENTS 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) ARISING IN ANY WAY OUT OF THE USE OF THIS * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * *    $Id: ZipManager.java,v 1.1.1.1 2002/03/08 21:20:46 xrath Exp $ */package rath.util;import java.io.*;import java.util.*;import java.util.zip.*;/** * Zip屈僥狼 頗老闌 拘綿闌 錢絆, 肚茄 頗老甸闌 隔酒輯 * Zip欄肺 弓絹林綽 巴闌 埃祈竅霸 葷儈且 薦 樂綽 * 牢磐其撈膠甫 力傍竅綽 努貳膠撈促. * * @author JangHo Hwang, rath@linuxkorea.co.kr * @version $Id: ZipManager.java,v 1.1.1.1 2002/03/08 21:20:46 xrath Exp $ */public class ZipManager{	// CRC update甫 且錠 葷儈且 buffer狼 農(nóng)扁	public static final int BUFFER_SIZE = 1024;	// 頗老 版肺 備盒磊撈哥, 祈府茄 葷儈闌 困秦 static final肺 急攫	public static final String FS = System.getProperty("file.separator");	private String archiveRoot = System.getProperty("user.dir");	/**	 * 阿 弓闌 頗老狼 風飄 叼泛配府 困摹甫 瀝茄促.	 * 頗老甸撈 弓老錠綽, 阿 頗老狼 例措 版肺俊輯	 * 撈 酒墨撈宏 風飄 叼泛配府福 力寇茄 版肺疙撈	 * 角力 zip郴儈俊輯狼 Entry name撈 等促.	 *	 * @param    directory    酒墨撈宏 風飄 叼泛配府.	 */	public void setArchiveRoot( String directory )	{		this.archiveRoot = directory;	}	/**	 * 泅犁 酒墨撈宏 風飄 叼泛配府甫 館券茄促.	 * @return    酒墨撈宏 風飄 叼泛配府.	 */	public String getArchiveRoot()	{		return archiveRoot;	}	public void doCompress( File file, File toCreate )		throws IOException	{		if( toCreate.exists() )			throw new IOException( toCreate + " is already exist" );		FileOutputStream fos = new FileOutputStream( toCreate );		doCompress( file, fos );	}	public void doCompress( File file, OutputStream out )		throws IOException	{		ZipOutputStream zos = new ZipOutputStream( out );		compress( file, zos );		zos.setMethod( ZipOutputStream.DEFLATED );		zos.close();	}	private void compress( File file, ZipOutputStream zos )		throws IOException	{		if( file.isDirectory() )		{			File[] files = file.listFiles();			for(int i=0; i<files.length; i++)			{				if( files[i].isDirectory() )					compress( files[i], zos );				else					addFile( files[i], zos );			}		}		else		if( file.isFile() )		{			addFile( file, zos );		}	}	public void addFile( File file, ZipOutputStream zos )		throws IOException	{		if( Thread.currentThread().isInterrupted() )			return;		compressStarted( file );		String enname = file.getAbsolutePath().substring(archiveRoot.length()+1);		ZipEntry en = new ZipEntry( enname );		CRC32 crc32 = new CRC32();		byte[] chs = new byte[1024];		FileInputStream fis = new FileInputStream(file);		int len = 0;		while( (len=fis.read( chs )) > -1 )			crc32.update( chs, 0, len );		fis.close();		en.setSize( file.length() );		en.setTime( file.lastModified() );		en.setCrc( crc32.getValue() );		zos.putNextEntry( en );		fis = new FileInputStream(file);		while( (len=fis.read( chs )) > -1 )			zos.write( chs, 0, len );		fis.close();		zos.closeEntry();		compressComplete( file );	}	/**	 * 秦寸 頗老闌 拘綿竅扁 流傈俊 閡府款促.	 *	 * @param file	 */	protected void compressStarted( File file )	{	}	/**	 * 秦寸 頗老闌 拘綿闌 場辰 流 饒 閡府款促.	 *	 * @param file	 */	protected void compressComplete( File file )	{	}}