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- /* ====================================================================
- 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.xssf.model;
-
- import org.apache.poi.ss.formula.functions.FreeRefFunction;
- import org.apache.poi.ss.formula.udf.AggregatingUDFFinder;
- import org.apache.poi.ss.formula.udf.UDFFinder;
- import org.apache.poi.util.Internal;
-
- import java.util.HashMap;
-
- /**
- * A UDFFinder that can retrieve functions both by name and by fake index.
- *
- * @author Yegor Kozlov
- */
- @Internal
- public final class IndexedUDFFinder extends AggregatingUDFFinder {
- private final HashMap<Integer, String> _funcMap;
-
- public IndexedUDFFinder(UDFFinder... usedToolPacks) {
- super(usedToolPacks);
- _funcMap = new HashMap<Integer, String>();
- }
-
- public FreeRefFunction findFunction(String name) {
- FreeRefFunction func = super.findFunction(name);
- if (func != null) {
- int idx = getFunctionIndex(name);
- _funcMap.put(idx, name);
- }
- return func;
- }
-
- public String getFunctionName(int idx) {
- return _funcMap.get(idx);
- }
-
- public int getFunctionIndex(String name) {
- return name.hashCode();
- }
- }
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