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.sl.image;

import java.awt.Dimension;
import java.awt.Rectangle;

import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.apache.poi.util.Internal;
import org.apache.poi.util.LittleEndian;
import org.apache.poi.util.LocaleUtil;

public class ImageHeaderEMF {
    private static final Logger LOG = LogManager.getLogger(ImageHeaderEMF.class);

    private static final String EMF_SIGNATURE = " EMF"; // 0x464D4520 (LE)

    // rectangular inclusive-inclusive bounds, in device units, of the smallest
    // rectangle that can be drawn around the image stored in the metafile.
    private final Rectangle deviceBounds;

    public ImageHeaderEMF(final byte[] data, final int off) {
        int offset = off;
        int type = (int)LittleEndian.getUInt(data, offset); offset += 4;
        if (type != 1) {
            LOG.atWarn().log("Invalid EMF picture - invalid type");
            deviceBounds = new Rectangle(0,0,200,200);
        // ignore header size
        offset += 4;
        int left = LittleEndian.getInt(data, offset); offset += 4;
        int top = LittleEndian.getInt(data, offset); offset += 4;
        int right = LittleEndian.getInt(data, offset); offset += 4;
        int bottom = LittleEndian.getInt(data, offset); offset += 4;
        deviceBounds = new Rectangle(left, top,  right-left == -1 ? 0 : right-left, bottom-top == -1 ? 0 : bottom-top);
        // ignore frame bounds
        offset += 16;
        String signature = new String(data, offset, EMF_SIGNATURE.length(), LocaleUtil.CHARSET_1252);
        if (!EMF_SIGNATURE.equals(signature)) {
            LOG.atWarn().log("Invalid EMF picture - invalid signature");

    public Dimension getSize() {
        return deviceBounds.getSize();

    public Rectangle getBounds() {
        return deviceBounds;


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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