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/hpbf/model/EscherPart.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.hpbf.model;

import java.io.IOException;
import java.util.ArrayList;

import org.apache.poi.ddf.DefaultEscherRecordFactory;
import org.apache.poi.ddf.EscherRecord;
import org.apache.poi.poifs.filesystem.DirectoryNode;
import org.apache.poi.util.IOUtils;

/**
 * Parent class of all Escher parts
 */
public abstract class EscherPart extends HPBFPart {

    //arbitrarily selected; may need to increase
    private static final int DEFAULT_MAX_RECORD_LENGTH = 1_000_000;
    private static int MAX_RECORD_LENGTH = DEFAULT_MAX_RECORD_LENGTH;

    /**
     * @param length the max record length allowed for EscherPart
     */
    public static void setMaxRecordLength(int length) {
        MAX_RECORD_LENGTH = length;
    }

    /**
     * @return the max record length allowed for EscherPart
     */
    public static int getMaxRecordLength() {
        return MAX_RECORD_LENGTH;
    }

    private EscherRecord[] records;

    /**
     * Creates the Escher Part, and finds our child
     *  escher records
     */
    public EscherPart(DirectoryNode baseDir, String[] parts) throws IOException {
        super(baseDir, parts);

        // Now create our Escher children
        DefaultEscherRecordFactory erf =
            new DefaultEscherRecordFactory();

        ArrayList<EscherRecord> ec = new ArrayList<>();
        byte[] data = getData();
        int left = data.length;
        while(left > 0) {
            EscherRecord er = erf.createRecord(data, 0);
            er.fillFields(data, 0, erf);
            left -= er.getRecordSize();

            ec.add(er);
        }

        records = ec.toArray(new EscherRecord[0]);
    }

    public EscherRecord[] getEscherRecords() {
        return records;
    }

    /**
     * Serialises our Escher children back
     *  into bytes.
     */
    protected void generateData() {
        int size = 0;
        for (EscherRecord escherRecord : records) {
            size += escherRecord.getRecordSize();
        }

        byte[] data = IOUtils.safelyAllocate(size, MAX_RECORD_LENGTH);
        size = 0;
        for (EscherRecord record : records) {
            int thisSize =
                    record.serialize(size, data);
            size += thisSize;
        }
        
        setData(data);
    }
}

⏎ org/apache/poi/hpbf/model/EscherPart.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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