What Is poi-5.2.3.jar?

What Is poi-5.2.3.jar?

✍: FYIcenter.com

poi-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-5.2.3.jar supports Apache POI components that read and write Microsoft's OLE 2 Compound document format, which is used in early versions of Microsoft Office tools like Word 97, Excel 97, PowerPoint 97, etc.

poi-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-5.2.3.jar
Target JDK version: 9

File name: poi.jar, poi-5.2.3.jar
File size: 2964641 bytes
Release date: 09-09-2022
Download: Apache POI Website

Here are Java Source Code files for poi-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.hssf.record;

import java.util.Map;
import java.util.function.Supplier;

import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.apache.poi.hssf.usermodel.HSSFWorkbook;
import org.apache.poi.util.GenericRecordUtil;
import org.apache.poi.util.IOUtils;
import org.apache.poi.util.RecordFormatException;

import static org.apache.logging.log4j.util.Unbox.box;
import static org.apache.poi.util.HexDump.toHex;

 * Biff2 - Biff 4 Label Record (0x0004 / 0x0204) - read only support for
 *  strings stored directly in the cell, from the older file formats that
 *  didn't use {@link LabelSSTRecord}
public final class OldLabelRecord extends OldCellRecord {
    private static final Logger LOG = LogManager.getLogger(OldLabelRecord.class);

    public static final short biff2_sid = 0x0004;
    public static final short biff345_sid = 0x0204;

    private short          field_4_string_len;
    private final byte[]         field_5_bytes;
    private CodepageRecord codepage;

     * @param in the RecordInputstream to read the record from
    public OldLabelRecord(RecordInputStream in)
        super(in, in.getSid() == biff2_sid);

        if (isBiff2()) {
            field_4_string_len  = (short)in.readUByte();
        } else {
            field_4_string_len   = in.readShort();

        // Can only decode properly later when you know the codepage
        field_5_bytes = IOUtils.safelyAllocate(field_4_string_len, HSSFWorkbook.getMaxRecordLength());
        in.read(field_5_bytes, 0, field_4_string_len);

        if (in.remaining() > 0) {
            LOG.atInfo().log("LabelRecord data remains: {} : {}", box(in.remaining()), toHex(in.readRemainder()));

    public void setCodePage(CodepageRecord codepage) {
        this.codepage = codepage;

     * get the number of characters this string contains
     * @return number of characters
    public short getStringLength()
        return field_4_string_len;

     * Get the String of the cell
     * @return the String of the cell
    public String getValue()
        return OldStringRecord.getString(field_5_bytes, codepage);

     * Not supported
     * @param offset not supported
     * @param data not supported
     * @return not supported
    public int serialize(int offset, byte [] data) {
        throw new RecordFormatException("Old Label Records are supported READ ONLY");

    public int getRecordSize() {
        throw new RecordFormatException("Old Label Records are supported READ ONLY");

    public HSSFRecordTypes getGenericRecordType() {
        return HSSFRecordTypes.LABEL;

    public Map<String, Supplier<?>> getGenericProperties() {
        return GenericRecordUtil.getGenericProperties(
            "base", super::getGenericProperties,
            "stringLength", this::getStringLength,
            "value", this::getValue


Or download all of them as a single archive file:

File name: poi-5.2.3-src.zip
File size: 2479830 bytes
Release date: 2022-09-09


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