/* ====================================================================
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Licensed to the Apache Software Foundation (ASF) under one or more
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contributor license agreements. See the NOTICE file distributed with
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this work for Additional information regarding copyright ownership.
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The ASF licenses this file to You under the Apache License, Version 2.0
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(the "License"); you may not use this file except in compliance with
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the License. You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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==================================================================== */
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/* ================================================================
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* About NPOI
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* Author: Tony Qu
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* Author's email: tonyqus (at) gmail.com
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* Author's Blog: tonyqus.wordpress.com.cn (wp.tonyqus.cn)
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* HomePage: http://www.codeplex.com/npoi
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* Contributors:
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*
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* ==============================================================*/
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using System;
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using System.IO;
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using HH.WMS.Utils.NPOI.POIFS.Common;
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namespace HH.WMS.Utils.NPOI.POIFS.Storage
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{
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/// <summary>
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/// Abstract base class of all POIFS block storage classes. All
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/// extensions of BigBlock should write 512 bytes of data when
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/// requested to write their data.
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/// This class has package scope, as there is no reason at this time to
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/// make the class public.
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/// @author Marc Johnson (mjohnson at apache dot org)
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/// </summary>
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public abstract class BigBlock : BlockWritable
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{
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protected POIFSBigBlockSize bigBlockSize;
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protected BigBlock()
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{
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}
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protected BigBlock(POIFSBigBlockSize bigBlockSize)
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{
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this.bigBlockSize = bigBlockSize;
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}
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/// <summary>
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/// Default implementation of write for extending classes that
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/// contain their data in a simple array of bytes.
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/// </summary>
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/// <param name="stream">the OutputStream to which the data should be written.</param>
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/// <param name="data">the byte array of to be written.</param>
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protected void WriteData(Stream stream, byte[] data)
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{
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stream.Write(data, 0, data.Length);
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}
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/// <summary>
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/// Write the block's data to an OutputStream
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/// </summary>
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/// <param name="stream">the OutputStream to which the stored data should be written</param>
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public void WriteBlocks(Stream stream)
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{
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this.WriteData(stream);
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}
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/// <summary>
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/// Write the storage to an OutputStream
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/// </summary>
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/// <param name="stream">the OutputStream to which the stored data should be written </param>
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public abstract void WriteData(Stream stream);
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}
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}
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