BN089-BS开发框架MVC4版/source20131023/Zephyr.Net/Zephyr.Utils/Compress/Ziplib/Zip/ZipOutputStream.cs

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// ZipOutputStream.cs
//
// Copyright (C) 2001 Mike Krueger
// Copyright (C) 2004 John Reilly
//
// This file was translated from java, it was part of the GNU Classpath
// Copyright (C) 2001 Free Software Foundation, Inc.
//
// This program 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 2
// of the License, or (at your option) any later version.
//
// This program 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 this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
//
// Linking this library statically or dynamically with other modules is
// making a combined work based on this library.  Thus, the terms and
// conditions of the GNU General Public License cover the whole
// combination.
// 
// As a special exception, the copyright holders of this library give you
// permission to link this library with independent modules to produce an
// executable, regardless of the license terms of these independent
// modules, and to copy and distribute the resulting executable under
// terms of your choice, provided that you also meet, for each linked
// independent module, the terms and conditions of the license of that
// module.  An independent module is a module which is not derived from
// or based on this library.  If you modify this library, you may extend
// this exception to your version of the library, but you are not
// obligated to do so.  If you do not wish to do so, delete this
// exception statement from your version.

// HISTORY
//	22-12-2009	Z-1649	Added AES support
//	22-02-2010	Z-1648	Zero byte entries would create invalid zip files

using System;
using System.IO;
using System.Collections;

using Zephyr.Utils.ZipLib.Checksums;
using Zephyr.Utils.ZipLib.Zip.Compression;
using Zephyr.Utils.ZipLib.Zip.Compression.Streams;

namespace Zephyr.Utils.ZipLib.Zip
{
	/// <summary>
	/// This is a DeflaterOutputStream that writes the files into a zip
	/// archive one after another.  It has a special method to start a new
	/// zip entry.  The zip entries contains information about the file name
	/// size, compressed size, CRC, etc.
	/// 
	/// It includes support for Stored and Deflated entries.