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Java API to handle Microsoft OLE 2 Compound Document format (Word, Excel). Based on poi-2.5.1-final-20040804.jar, with bugfixes for OLE v2 and memory efficiency improvements. Used by Bio-Formats for OLE support (cxd, ipw, oib, zvi). Used by VisBio overlays logic for XLS export feature.

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/*
 * #%L
 * Fork of Apache Jakarta POI.
 * %%
 * Copyright (C) 2008 - 2016 Open Microscopy Environment:
 *   - Board of Regents of the University of Wisconsin-Madison
 *   - Glencoe Software, Inc.
 *   - University of Dundee
 * %%
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * #L%
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/* ====================================================================
   Licensed to the Apache Software Foundation (ASF) under one or more
   contributor license agreements.  See the NOTICE file distributed with
   this work for additional information regarding copyright ownership.
   The ASF licenses this file to You under the Apache License, Version 2.0
   (the "License"); you may not use this file except in compliance with
   the License.  You may obtain a copy of the License at

       http://www.apache.org/licenses/LICENSE-2.0

   Unless required by applicable law or agreed to in writing, software
   distributed under the License is distributed on an "AS IS" BASIS,
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package loci.poi.poifs.storage;

import loci.poi.poifs.property.RootProperty;

import java.util.*;

import java.io.*;

/**
 * This class implements reading the small document block list from an
 * existing file
 *
 * @author Marc Johnson (mjohnson at apache dot org)
 */

public class SmallBlockTableReader
{

    /**
     * fetch the small document block list from an existing file
     *
     * @param blockList the raw data from which the small block table
     *                  will be extracted
     * @param root the root property (which contains the start block
     *             and small block table size)
     * @param sbatStart the start block of the SBAT
     *
     * @return the small document block list
     *
     * @exception IOException
     */

    public static BlockList getSmallDocumentBlocks(
            final RawDataBlockList blockList, final RootProperty root,
            final int sbatStart)
        throws IOException
    {
        BlockList list =
            new SmallDocumentBlockList(SmallDocumentBlock
                .extract(blockList.fetchBlocks(root.getStartBlock()),
                  blockList.getBigBlockSize()));

        new BlockAllocationTableReader(blockList.fetchBlocks(sbatStart),
                                       list, blockList.getBigBlockSize());
        return list;
    }
}