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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.ss.formula;
-
- import org.apache.poi.ss.formula.eval.ValueEval;
-
- /**
- * Evaluator for returning cells or sheets for a range of sheets
- */
- final class SheetRangeEvaluator {
- private final int _firstSheetIndex;
- private final int _lastSheetIndex;
- private SheetRefEvaluator[] _sheetEvaluators;
-
- public SheetRangeEvaluator(int firstSheetIndex, int lastSheetIndex, SheetRefEvaluator[] sheetEvaluators) {
- if (firstSheetIndex < 0) {
- throw new IllegalArgumentException("Invalid firstSheetIndex: " + firstSheetIndex + ".");
- }
- if (lastSheetIndex < firstSheetIndex) {
- throw new IllegalArgumentException("Invalid lastSheetIndex: " + lastSheetIndex + " for firstSheetIndex: " + firstSheetIndex + ".");
- }
- _firstSheetIndex = firstSheetIndex;
- _lastSheetIndex = lastSheetIndex;
- _sheetEvaluators = sheetEvaluators;
- }
-
- public SheetRefEvaluator getSheetEvaluator(int sheetIndex) {
- if (sheetIndex < _firstSheetIndex || sheetIndex > _lastSheetIndex) {
- throw new IllegalArgumentException("Invalid SheetIndex: " + sheetIndex +
- " - Outside range " + _firstSheetIndex + " : " + _lastSheetIndex);
- }
- return _sheetEvaluators[sheetIndex-_firstSheetIndex];
- }
-
- public String getSheetName(int sheetIndex) {
- return getSheetEvaluator(sheetIndex).getSheetName();
- }
-
- public ValueEval getEvalForCell(int sheetIndex, int rowIndex, int columnIndex) {
- return getSheetEvaluator(sheetIndex).getEvalForCell(rowIndex, columnIndex);
- }
- }
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