What Is poi-scratchpad-5.2.3.jar?

poi-scratchpad-5.2.3.jar is one of the JAR files for Apache POI 5.2.3, which provides an API for Microsoft document files of Word, Excel, PowerPoint, and Visio.

poi-scratchpad-5.2.3.jar provides support for older versions of Microsoft document files like Word 97, Excel 97, PowerPoint 97, etc.

poi-scratchpad-5.2.3.jar is distributed as part of the poi-bin-5.2.3-20220909.zip download file.

JAR File Size and Download Location:

JAR name: poi-scratchpad-5.2.3.jar
Target JDK version: 9
Dependency: 
   poi.jar

File name: poi-scratchpad.jar, poi-scratchpad-5.2.3.jar
File size: 1897121 bytes
Release date: 09-09-2022
Download: Apache POI Website

Here are Java Source Code files for poi-scratchpad-5.2.3.jar:

⏎ org/apache/poi/hdgf/streams/PointerContainingStream.java

/* ====================================================================
   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,
   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.
==================================================================== */

package org.apache.poi.hdgf.streams;

import org.apache.poi.hdgf.chunks.ChunkFactory;
import org.apache.poi.hdgf.pointers.Pointer;
import org.apache.poi.hdgf.pointers.PointerFactory;

/**
 * A stream that holds pointers, possibly in addition to some
 *  other data too.
 */
public class PointerContainingStream extends Stream { // TODO - instantiable superclass
    private Pointer[] childPointers;
    private Stream[] childStreams;

    private ChunkFactory chunkFactory;
    private PointerFactory pointerFactory;

    protected PointerContainingStream(Pointer pointer, StreamStore store, ChunkFactory chunkFactory, PointerFactory pointerFactory) {
        super(pointer, store);
        this.chunkFactory = chunkFactory;
        this.pointerFactory = pointerFactory;
        
        // Have the child pointers identified and created
        childPointers = pointerFactory.createContainerPointers(pointer, store.getContents());
    }

    /**
     * Returns all the pointers that we contain
     */
    protected Pointer[] getChildPointers() { return childPointers; }
    /**
     * Returns all the "child" streams.
     * These are all the streams pointed to by the pointers
     *  that we contain.
     */
    public Stream[] getPointedToStreams() { return childStreams; }

    /**
     * Performs a recursive search, identifying the pointers we contain,
     *  creating the Streams for where they point to, then searching
     *  those if appropriate.
     */
    public void findChildren(byte[] documentData) {
        // For each pointer, generate the Stream it points to
        childStreams = new Stream[childPointers.length];
        for(int i=0; i<childPointers.length; i++) {
            Pointer ptr = childPointers[i];
            childStreams[i] = Stream.createStream(ptr, documentData, chunkFactory, pointerFactory);

            // Process chunk streams into their chunks
            if(childStreams[i] instanceof ChunkStream) {
                ChunkStream child = (ChunkStream)childStreams[i];
                child.findChunks();
            }

            // Recurse into pointer containing streams
            if(childStreams[i] instanceof PointerContainingStream) {
                PointerContainingStream child =
                    (PointerContainingStream)childStreams[i];
                child.findChildren(documentData);
            }
        }
    }
}

⏎ org/apache/poi/hdgf/streams/PointerContainingStream.java

Or download all of them as a single archive file:

File name: poi-scratchpad-5.2.3-src.zip
File size: 1238744 bytes
Release date: 2022-09-09
Download 

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