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94 lines
4.0 KiB
C#
94 lines
4.0 KiB
C#
/* Copyright (c) Citrix Systems, Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms,
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* with or without modification, are permitted provided
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* that the following conditions are met:
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*
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* * Redistributions of source code must retain the above
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* copyright notice, this list of conditions and the
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* following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the
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* following disclaimer in the documentation and/or other
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* materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
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* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
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* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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using System;
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using System.IO;
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using XenCenterLib.Compression;
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namespace XenCenterLib.Archive
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{
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/// <summary>
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/// A static factory to create an object that will allow the archiving of data
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/// </summary>
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public static class ArchiveFactory
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{
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/// <summary>
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/// Supported types of archive
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/// </summary>
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public enum Type
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{
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Tar,
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TarGz,
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TarBz2,
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Zip
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}
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/// <summary>
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/// Instantiate a class that can read a archive type
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/// </summary>
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/// <param name="archiveType">Type of archive to read</param>
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/// <param name="packagedData">The contents of packaged data</param>
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/// <exception cref="NotSupportedException">if there is not a iterator for a specified archive type</exception>
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/// <returns>ArchiveIterator to allow an archive to be traversed</returns>
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public static ArchiveIterator Reader(Type archiveType, Stream packagedData)
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{
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if (archiveType == Type.Tar)
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return new SharpZipTarArchiveIterator(packagedData);
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if (archiveType == Type.TarGz)
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return new SharpZipTarArchiveIterator(CompressionFactory.Reader(CompressionFactory.Type.Gz, packagedData));
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if (archiveType == Type.TarBz2)
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return new SharpZipTarArchiveIterator(CompressionFactory.Reader(CompressionFactory.Type.Bz2, packagedData));
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if (archiveType == Type.Zip)
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return new DotNetZipZipIterator(packagedData);
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throw new NotSupportedException(String.Format("Type: {0} is not supported by ArchiveIterator", archiveType));
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}
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/// <summary>
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/// Instantiate a class that can write a archive type
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/// </summary>
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/// <param name="archiveType">Type of archive to write</param>
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/// <param name="targetPackage">The placed where the packaged data will be stored</param>
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/// <exception cref="NotSupportedException">if there is not a writer for a specified archive type</exception>
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/// <returns>ArchiveWriter to allow an archive to be written</returns>
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public static ArchiveWriter Writer(Type archiveType, Stream targetPackage)
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{
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if (archiveType == Type.Tar)
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return new SharpZipTarArchiveWriter(targetPackage);
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if (archiveType == Type.Zip)
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return new DotNetZipZipWriter(targetPackage);
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throw new NotSupportedException( String.Format( "Type: {0} is not supported by ArchiveWriter", archiveType ) );
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}
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}
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}
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