What Is poi-scratchpad-5.2.3.jar?

What Is poi-scratchpad-5.2.3.jar?

✍: FYIcenter.com

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

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:


/* ====================================================================
   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


   Unless required by applicable law or agreed to in writing, software
   distributed under the License is distributed on an "AS IS" BASIS,
   See the License for the specific language governing permissions and
   limitations under the License.
==================================================================== */
package org.apache.poi.hwpf.model;

import java.nio.charset.Charset;
import java.util.ArrayList;
import java.util.Collections;

import org.apache.poi.hwpf.util.DoubleByteUtil;
import org.apache.poi.util.IOUtils;
import org.apache.poi.util.Internal;

public class OldTextPieceTable extends TextPieceTable {

    public OldTextPieceTable() {

    public OldTextPieceTable(byte[] documentStream, byte[] tableStream,
                             int offset, int size, int fcMin, Charset charset) {
        //super(documentStream, tableStream, offset, size, fcMin, charset);
        // get our plex of PieceDescriptors
        PlexOfCps pieceTable = new PlexOfCps(tableStream, offset, size,

        int length = pieceTable.length();
        PieceDescriptor[] pieces = new PieceDescriptor[length];

        // iterate through piece descriptors raw bytes and create
        // PieceDescriptor objects
        for (int x = 0; x < length; x++) {
            GenericPropertyNode node = pieceTable.getProperty(x);
            pieces[x] = new PieceDescriptor(node.getBytes(), 0, charset);

        // Figure out the cp of the earliest text piece
        // Note that text pieces don't have to be stored in order!
        _cpMin = pieces[0].getFilePosition() - fcMin;
        for (PieceDescriptor piece : pieces) {
            int start = piece.getFilePosition() - fcMin;
            if (start < _cpMin) {
                _cpMin = start;

        // using the PieceDescriptors, build our list of TextPieces.
        for (int x = 0; x < pieces.length; x++) {
            int start = pieces[x].getFilePosition();
            GenericPropertyNode node = pieceTable.getProperty(x);

            // Grab the start and end, which are in characters
            int nodeStartChars = node.getStart();
            int nodeEndChars = node.getEnd();

            // What's the relationship between bytes and characters?
            boolean unicode = pieces[x].isUnicode();
            int multiple = 1;
            if (unicode ||
                    (charset != null && DoubleByteUtil.DOUBLE_BYTE_CHARSETS.contains(charset))) {
                multiple = 2;

            // Figure out the length, in bytes and chars
            int textSizeChars = (nodeEndChars - nodeStartChars);
            int textSizeBytes = textSizeChars * multiple;

            // Grab the data that makes up the piece
            byte[] buf = IOUtils.safelyClone(documentStream, start, textSizeBytes, getMaxRecordLength());

            // And now build the piece
            final TextPiece newTextPiece = newTextPiece(nodeStartChars, nodeEndChars, buf, pieces[x]);


        // In the interest of our sanity, now sort the text pieces
        // into order, if they're not already
        _textPiecesFCOrder = new ArrayList<>(_textPieces);


    protected TextPiece newTextPiece(int nodeStartChars, int nodeEndChars, byte[] buf, PieceDescriptor pd) {
        return new OldTextPiece(nodeStartChars, nodeEndChars, buf, pd);

    protected int getEncodingMultiplier(TextPiece textPiece) {
        Charset charset = textPiece.getPieceDescriptor().getCharset();
        if (charset != null && DoubleByteUtil.DOUBLE_BYTE_CHARSETS.contains(charset)) {
            return 2;
        return 1;


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


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