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/ss/formula/function/FunctionMetadataRegistry.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.ss.formula.function;

import java.util.Map;
import java.util.Set;

/**
 * Allows clients to get {@link FunctionMetadata} instances for any built-in function of Excel.
 */
public final class FunctionMetadataRegistry {
    /**
     * The name of the IF function (i.e. "IF").  Extracted as a constant for clarity.
     */
    public static final String FUNCTION_NAME_IF = "IF";

    public static final int FUNCTION_INDEX_IF = 1;
    public static final short FUNCTION_INDEX_SUM = 4;
    public static final int FUNCTION_INDEX_CHOOSE = 100;
    public static final short FUNCTION_INDEX_INDIRECT = 148;
    public static final short FUNCTION_INDEX_EXTERNAL = 255;

    private static FunctionMetadataRegistry _instance;
    private static FunctionMetadataRegistry _instanceCetab;

    private final FunctionMetadata[] _functionDataByIndex;
    private final Map<String, FunctionMetadata> _functionDataByName;

    private static FunctionMetadataRegistry getInstance() {
        if (_instance == null) {
            _instance = FunctionMetadataReader.createRegistry();
        }
        return _instance;
    }

    private static FunctionMetadataRegistry getInstanceCetab() {
        if (_instanceCetab == null) {
            _instanceCetab = FunctionMetadataReader.createRegistryCetab();
        }
        return _instanceCetab;
    }

    /* package */ FunctionMetadataRegistry(FunctionMetadata[] functionDataByIndex, Map<String, FunctionMetadata> functionDataByName) {
        _functionDataByIndex = (functionDataByIndex == null) ? null : functionDataByIndex.clone();
        _functionDataByName = functionDataByName;
    }

    /* package */ Set<String> getAllFunctionNames() {
        return _functionDataByName.keySet();
    }


    public static FunctionMetadata getFunctionByIndex(int index) {
        return getInstance().getFunctionByIndexInternal(index);
    }

    public static FunctionMetadata getCetabFunctionByIndex(int index) {
        return getInstanceCetab().getFunctionByIndexInternal(index);
    }

    private FunctionMetadata getFunctionByIndexInternal(int index) {
        return _functionDataByIndex[index];
    }
    /**
     * Resolves a built-in function index.
     * @param name uppercase function name
     * @return a negative value if the function name is not found.
     * This typically occurs for external functions.
     */
    public static short lookupIndexByName(String name) {
        FunctionMetadata fd = getInstance().getFunctionByNameInternal(name);
        if (fd == null) {
            // also try the cetab functions
            fd = getInstanceCetab().getFunctionByNameInternal(name);
            if (fd == null) {
                return -1;
            }
        }
        return (short) fd.getIndex();
    }

    private FunctionMetadata getFunctionByNameInternal(String name) {
        return _functionDataByName.get(name);
    }

    public static FunctionMetadata getFunctionByName(String name) {
        FunctionMetadata fm = getInstance().getFunctionByNameInternal(name);
        if(fm == null) {
            return getInstanceCetab().getFunctionByNameInternal(name);
        }

        return fm;
    }
}

⏎ org/apache/poi/ss/formula/function/FunctionMetadataRegistry.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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