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.poifs.crypt.agile;

import org.apache.poi.EncryptedDocumentException;
import org.w3c.dom.Element;
import org.w3c.dom.NodeList;

 * A sequence of KeyEncryptor elements. Exactly one KeyEncryptors element MUST be present, and the KeyEncryptors element
 * MUST contain at least one KeyEncryptor.
public class KeyEncryptor {
    static final String PASS_NS = "http://schemas.microsoft.com/office/2006/keyEncryptor/password";
    static final String CERT_NS = "http://schemas.microsoft.com/office/2006/keyEncryptor/certificate";

    private PasswordKeyEncryptor passwordKeyEncryptor;
    private CertificateKeyEncryptor certificateKeyEncryptor;

    public KeyEncryptor() {


    public KeyEncryptor(Element keyEncryptor) {
        if (keyEncryptor == null) {
            throw new EncryptedDocumentException("Unable to parse encryption descriptor");
        NodeList nl = keyEncryptor.getElementsByTagNameNS("*", "encryptedKey");
        // usually only one encryptor is set, so iterate and overwrite the encryptor members
        for (int i=0; i<nl.getLength(); i++) {
            Element el = (Element)nl.item(i);
            String nsUri = el.getNamespaceURI();
            if (PASS_NS.equals(nsUri)) {
                passwordKeyEncryptor = new PasswordKeyEncryptor(el);
            } else if (CERT_NS.equals(nsUri)) {
                certificateKeyEncryptor = new CertificateKeyEncryptor(el);

    void write(Element keyEncryptors) {
        if (passwordKeyEncryptor != null) {
        } else if (certificateKeyEncryptor != null) {

    public PasswordKeyEncryptor getPasswordKeyEncryptor() {
        return passwordKeyEncryptor;

    public void setPasswordKeyEncryptor(PasswordKeyEncryptor passwordKeyEncryptor) {
        this.passwordKeyEncryptor = passwordKeyEncryptor;

    public CertificateKeyEncryptor getCertificateKeyEncryptor() {
        return certificateKeyEncryptor;

    public void setCertificateKeyEncryptor(CertificateKeyEncryptor certificateKeyEncryptor) {
        this.certificateKeyEncryptor = certificateKeyEncryptor;


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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