What Is poi-5.2.3.jar?

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:

⏎ org/apache/poi/hpsf/PropertySetFactory.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.hpsf;

import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import java.io.UnsupportedEncodingException;

import org.apache.poi.poifs.filesystem.DirectoryEntry;
import org.apache.poi.poifs.filesystem.DirectoryNode;
import org.apache.poi.poifs.filesystem.DocumentInputStream;
import org.apache.poi.util.LittleEndianInputStream;

/**
 * Factory class to create instances of {@link SummaryInformation},
 * {@link DocumentSummaryInformation} and {@link PropertySet}.
 */
public class PropertySetFactory {
    /**
     * Creates the most specific {@link PropertySet} from an entry
     *  in the specified POIFS Directory. This is preferrably a {@link
     * DocumentSummaryInformation} or a {@link SummaryInformation}. If
     * the specified entry does not contain a property set stream, an
     * exception is thrown. If no entry is found with the given name,
     * an exception is thrown.
     *
     * @param dir The directory to find the PropertySet in
     * @param name The name of the entry containing the PropertySet
     * @return The created {@link PropertySet}.
     * @throws FileNotFoundException if there is no entry with that name
     * @throws NoPropertySetStreamException if the stream does not
     * contain a property set.
     * @throws IOException if some I/O problem occurs.
     * @throws UnsupportedEncodingException if the specified codepage is not
     * supported.
     */
    public static PropertySet create(final DirectoryEntry dir, final String name)
    throws FileNotFoundException, NoPropertySetStreamException, IOException, UnsupportedEncodingException {
        try (DocumentInputStream inp = ((DirectoryNode)dir).createDocumentInputStream(name)) {
            return create(inp);
        }
    }

    /**
     * Creates the most specific {@link PropertySet} from an {@link
     * InputStream}. This is preferrably a {@link
     * DocumentSummaryInformation} or a {@link SummaryInformation}. If
     * the specified {@link InputStream} does not contain a property
     * set stream, an exception is thrown and the {@link InputStream}
     * is repositioned at its beginning.
     *
     * @param stream Contains the property set stream's data.
     * @return The created {@link PropertySet}.
     * @throws NoPropertySetStreamException if the stream does not
     * contain a property set.
     * @throws IOException if some I/O problem occurs.
     * @throws UnsupportedEncodingException if the specified codepage is not
     * supported.
     */
    public static PropertySet create(final InputStream stream)
    throws NoPropertySetStreamException, IOException {
        stream.mark(PropertySet.OFFSET_HEADER+ClassID.LENGTH+1);
        LittleEndianInputStream leis = new LittleEndianInputStream(stream);
        int byteOrder =  leis.readUShort();
        int format = leis.readUShort();
        /*int osVersion = (int)*/leis.readUInt();
        byte[] clsIdBuf = new byte[ClassID.LENGTH];
        leis.readFully(clsIdBuf);
        int sectionCount = (int)leis.readUInt();

        if (byteOrder != PropertySet.BYTE_ORDER_ASSERTION ||
            format != PropertySet.FORMAT_ASSERTION ||
            sectionCount < 0) {
            throw new NoPropertySetStreamException("ByteOrder: " + byteOrder +
                    ", format: " + format +
                    ", sectionCount: " + sectionCount);
        }

        if (sectionCount > 0) {
            leis.readFully(clsIdBuf);
        }
        stream.reset();

        ClassID clsId = new ClassID(clsIdBuf, 0);
        if (sectionCount > 0 && PropertySet.matchesSummary(clsId, SummaryInformation.FORMAT_ID)) {
            return new SummaryInformation(stream);
        } else if (sectionCount > 0 && PropertySet.matchesSummary(clsId, DocumentSummaryInformation.FORMAT_ID)) {
            return new DocumentSummaryInformation(stream);
        } else {
            return new PropertySet(stream);
        }
    }

    /**
     * Creates a new summary information.
     *
     * @return the new summary information.
     */
    public static SummaryInformation newSummaryInformation() {
        return new SummaryInformation();
    }

    /**
     * Creates a new document summary information.
     *
     * @return the new document summary information.
     */
    public static DocumentSummaryInformation newDocumentSummaryInformation() {
        return new DocumentSummaryInformation();
    }
}

⏎ org/apache/poi/hpsf/PropertySetFactory.java

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
Download 

⇒ What Is poi-ooxml-5.2.3.jar?

⇐ What Is poi-bin-5.2.3-20220909.zip?

⇑ Downloading and Installing Apache POI Java Library

⇑⇑ FAQ for Apache POI (Poor Obfuscation Implementation)