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:

org/apache/poi/poifs/filesystem/DocumentNode.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.poifs.filesystem;

import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;

import org.apache.poi.poifs.dev.POIFSViewable;
import org.apache.poi.poifs.property.DocumentProperty;

/**
 * Simple implementation of DocumentEntry for OPOIFS
 */
public class DocumentNode
    extends EntryNode
    implements DocumentEntry, POIFSViewable
{

    // underlying POIFSDocument instance
    private POIFSDocument _document;

    /**
     * create a DocumentNode. This method is not public by design; it
     * is intended strictly for the internal use of this package
     *
     * @param property the DocumentProperty for this DocumentEntry
     * @param parent the parent of this entry
     */

    DocumentNode(final DocumentProperty property, final DirectoryNode parent)
    {
        super(property, parent);
        _document = property.getDocument();
    }

    /**
     * get the POIFSDocument
     *
     * @return the internal POIFSDocument
     */
    POIFSDocument getDocument()
    {
        return _document;
    }

    /* ********** START implementation of DocumentEntry ********** */

    /**
     * get the zize of the document, in bytes
     *
     * @return size in bytes
     */

    public int getSize()
    {
        return getProperty().getSize();
    }

    /* **********  END  implementation of DocumentEntry ********** */
    /* ********** START implementation of Entry ********** */

    /**
     * is this a DocumentEntry?
     *
     * @return true if the Entry is a DocumentEntry, else false
     */

    @Override
    public boolean isDocumentEntry()
    {
        return true;
    }

    /* **********  END  implementation of Entry ********** */
    /* ********** START extension of Entry ********** */

    /**
     * extensions use this method to verify internal rules regarding
     * deletion of the underlying store.
     *
     * @return true if it's ok to delete the underlying store, else
     *         false
     */

    @Override
    protected boolean isDeleteOK()
    {
        return true;
    }

    /* **********  END  extension of Entry ********** */
    /* ********** START begin implementation of POIFSViewable ********** */

    /**
     * Get an array of objects, some of which may implement
     * POIFSViewable
     *
     * @return an array of Object; may not be null, but may be empty
     */

    public Object [] getViewableArray()
    {
        return new Object[ 0 ];
    }

    /**
     * Get an Iterator of objects, some of which may implement
     * POIFSViewable
     *
     * @return an Iterator; may not be null, but may have an empty
     * back end store
     */

    public Iterator<Object> getViewableIterator()
    {
        List<Object> components = new ArrayList<>();

        components.add(getProperty());
        if (_document != null) {
            components.add(_document);
        }
        return components.iterator();
    }

    /**
     * Give viewers a hint as to whether to call getViewableArray or
     * getViewableIterator
     *
     * @return true if a viewer should call getViewableArray, false if
     *         a viewer should call getViewableIterator
     */

    public boolean preferArray()
    {
        return false;
    }

    /**
     * Provides a short description of the object, to be used when a
     * POIFSViewable object has not provided its contents.
     *
     * @return short description
     */

    public String getShortDescription()
    {
        return getName();
    }

    /* **********  END  begin implementation of POIFSViewable ********** */
}   // end public class DocumentNode

org/apache/poi/poifs/filesystem/DocumentNode.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
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