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/* ==================================================================== |
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Licensed to the Apache Software Foundation (ASF) under one or more |
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contributor license agreements. See the NOTICE file distributed with |
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this work for additional information regarding copyright ownership. |
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The ASF licenses this file to You under the Apache License, Version 2.0 |
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(the "License"); you may not use this file except in compliance with |
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the License. You may obtain a copy of the License at |
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http://www.apache.org/licenses/LICENSE-2.0 |
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Unless required by applicable law or agreed to in writing, software |
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distributed under the License is distributed on an "AS IS" BASIS, |
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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See the License for the specific language governing permissions and |
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limitations under the License. |
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==================================================================== */ |
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package org.apache.poi.ss.formula; |
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import org.apache.poi.ss.formula.eval.ValueEval; |
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/** |
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* Evaluator for returning cells or sheets for a range of sheets |
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*/ |
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final class SheetRangeEvaluator { |
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private final int _firstSheetIndex; |
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private final int _lastSheetIndex; |
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private SheetRefEvaluator[] _sheetEvaluators; |
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public SheetRangeEvaluator(int firstSheetIndex, int lastSheetIndex, SheetRefEvaluator[] sheetEvaluators) { |
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if (firstSheetIndex < 0) { |
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throw new IllegalArgumentException("Invalid firstSheetIndex: " + firstSheetIndex + "."); |
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} |
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if (lastSheetIndex < firstSheetIndex) { |
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throw new IllegalArgumentException("Invalid lastSheetIndex: " + lastSheetIndex + " for firstSheetIndex: " + firstSheetIndex + "."); |
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} |
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_firstSheetIndex = firstSheetIndex; |
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_lastSheetIndex = lastSheetIndex; |
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_sheetEvaluators = sheetEvaluators; |
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} |
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public SheetRefEvaluator getSheetEvaluator(int sheetIndex) { |
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if (sheetIndex < _firstSheetIndex || sheetIndex > _lastSheetIndex) { |
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throw new IllegalArgumentException("Invalid SheetIndex: " + sheetIndex + |
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" - Outside range " + _firstSheetIndex + " : " + _lastSheetIndex); |
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} |
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return _sheetEvaluators[sheetIndex-_firstSheetIndex]; |
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} |
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public String getSheetName(int sheetIndex) { |
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return getSheetEvaluator(sheetIndex).getSheetName(); |
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} |
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public ValueEval getEvalForCell(int sheetIndex, int rowIndex, int columnIndex) { |
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return getSheetEvaluator(sheetIndex).getEvalForCell(rowIndex, columnIndex); |
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} |
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} |