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/util/ArrayUtil.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.util;


import java.util.Arrays;

/**
 * Utility classes for dealing with arrays.
 */
@Internal
public final class ArrayUtil {

    private ArrayUtil() {}

    /**
     * Moves a number of entries in an array to another point in the array,
     *  shifting those inbetween as required.
     * @param array The array to alter
     * @param moveFrom The (0 based) index of the first entry to move
     * @param moveTo The (0 based) index of the positition to move to
     * @param numToMove The number of entries to move
     */
    public static void arrayMoveWithin(Object[] array, int moveFrom, int moveTo, int numToMove) {
        // If we're not asked to do anything, return now
        if(numToMove <= 0) { return; }
        if(moveFrom == moveTo) { return; }

        // Check that the values supplied are valid
        if(moveFrom < 0 || moveFrom >= array.length) {
            throw new IllegalArgumentException("The moveFrom must be a valid array index");
        }
        if(moveTo < 0 || moveTo >= array.length) {
            throw new IllegalArgumentException("The moveTo must be a valid array index");
        }
        if(moveFrom+numToMove > array.length) {
            throw new IllegalArgumentException("Asked to move more entries than the array has");
        }
        if(moveTo+numToMove > array.length) {
            throw new IllegalArgumentException("Asked to move to a position that doesn't have enough space");
        }

        // Grab the bit to move
        Object[] toMove = Arrays.copyOfRange(array, moveFrom, moveFrom+numToMove);

        // Grab the bit to be shifted
        Object[] toShift;
        int shiftTo;
        if(moveFrom > moveTo) {
            // Moving to an earlier point in the array
            // Grab everything between the two points
            toShift = Arrays.copyOfRange(array, moveTo, moveFrom);
            shiftTo = moveTo + numToMove;
        } else {
            // Moving to a later point in the array
            // Grab everything from after the toMove block, to the new point
            toShift = Arrays.copyOfRange(array, moveFrom+numToMove, moveTo+numToMove);
            shiftTo = moveFrom;
        }

        // Copy the moved block to its new location
        System.arraycopy(toMove, 0, array, moveTo, toMove.length);

        // And copy the shifted block to the shifted location
        System.arraycopy(toShift, 0, array, shiftTo, toShift.length);


        // We're done - array will now have everything moved as required
    }

}

⏎ org/apache/poi/util/ArrayUtil.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)