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/ddf/EscherPropertyFactory.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.ddf;

import java.util.ArrayList;
import java.util.List;
import java.util.function.BiFunction;

import org.apache.poi.util.LittleEndian;

/**
 * Generates a property given a reference into the byte array storing that property.
 */
public final class EscherPropertyFactory {

    /**
     * Create new properties from a byte array.
     *
     * @param data              The byte array containing the property
     * @param offset            The starting offset into the byte array
     * @param numProperties     The number of properties to be read
     * @return                  The new properties
     */
    public List<EscherProperty> createProperties(byte[] data, int offset, short numProperties) {
        List<EscherProperty> results = new ArrayList<>();

        int pos = offset;

        for (int i = 0; i < numProperties; i++) {
            final short propId = LittleEndian.getShort( data, pos );
            final int propData = LittleEndian.getInt( data, pos + 2 );
            final boolean isComplex = ( propId & EscherProperty.IS_COMPLEX ) != 0;

            EscherPropertyTypes propertyType = EscherPropertyTypes.forPropertyID(propId);

            final BiFunction<Short,Integer,EscherProperty> con;
            switch (propertyType.holder) {
                case BOOLEAN:
                    con = EscherBoolProperty::new;
                    break;
                case RGB:
                    con = EscherRGBProperty::new;
                    break;
                case SHAPE_PATH:
                    con = EscherShapePathProperty::new;
                    break;
                default:
                    if ( isComplex ) {
                        con = (propertyType.holder == EscherPropertyTypesHolder.ARRAY)
                            ? EscherArrayProperty::new
                            : EscherComplexProperty::new;
                    } else {
                        con = EscherSimpleProperty::new;
                    }
                    break;
            }

            results.add( con.apply(propId,propData) );
            pos += 6;
        }

        // Get complex data
        for (EscherProperty p : results) {
            if (p instanceof EscherArrayProperty) {
                EscherArrayProperty eap = (EscherArrayProperty)p;
                pos += eap.setArrayData(data, pos);
            } else if (p instanceof EscherComplexProperty) {
                EscherComplexProperty ecp = (EscherComplexProperty)p;
                int cdLen = ecp.getComplexData().length;
                int leftover = data.length - pos;
                if (leftover < cdLen) {
                    throw new IllegalStateException("Could not read complex escher property, length was " +
                        cdLen + ", but had only " + leftover + " bytes left");
                }
                pos += ecp.setComplexData(data, pos);
            }
        }
        return results;
    }
}

⏎ org/apache/poi/ddf/EscherPropertyFactory.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 

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