69 lines
2.2 KiB
Java
69 lines
2.2 KiB
Java
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/* ====================================================================
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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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package org.apache.poi.poifs.storage;
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import java.io.*;
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import java.util.*;
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/**
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* A list of RawDataBlocks instances, and methods to manage the list
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*
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* @author Marc Johnson (mjohnson at apache dot org
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*/
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public class RawDataBlockList
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extends BlockListImpl
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{
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/**
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* Constructor RawDataBlockList
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*
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* @param stream the InputStream from which the data will be read
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* @param bigBlockSize The big block size, either 512 bytes or 4096 bytes
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*
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* @exception IOException on I/O errors, and if an incomplete
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* block is read
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*/
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public RawDataBlockList(final InputStream stream, int bigBlockSize)
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throws IOException
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{
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List blocks = new ArrayList();
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while (true)
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{
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RawDataBlock block = new RawDataBlock(stream, bigBlockSize);
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// If there was data, add the block to the list
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if(block.hasData()) {
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blocks.add(block);
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}
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// If the stream is now at the End Of File, we're done
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if (block.eof()) {
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break;
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}
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}
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setBlocks(( RawDataBlock [] ) blocks.toArray(new RawDataBlock[ 0 ]));
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}
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} // end public class RawDataBlockList
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