| /* ==================================================================== |
| 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 implements SheetRange { |
| 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.clone(); |
| } |
| public SheetRangeEvaluator(int onlySheetIndex, SheetRefEvaluator sheetEvaluator) { |
| this(onlySheetIndex, onlySheetIndex, new SheetRefEvaluator[] {sheetEvaluator}); |
| } |
| |
| 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 int getFirstSheetIndex() { |
| return _firstSheetIndex; |
| } |
| public int getLastSheetIndex() { |
| return _lastSheetIndex; |
| } |
| |
| public String getSheetName(int sheetIndex) { |
| return getSheetEvaluator(sheetIndex).getSheetName(); |
| } |
| public String getSheetNameRange() { |
| StringBuilder sb = new StringBuilder(); |
| sb.append(getSheetName(_firstSheetIndex)); |
| if (_firstSheetIndex != _lastSheetIndex) { |
| sb.append(':'); |
| sb.append(getSheetName(_lastSheetIndex)); |
| } |
| return sb.toString(); |
| } |
| |
| public ValueEval getEvalForCell(int sheetIndex, int rowIndex, int columnIndex) { |
| return getSheetEvaluator(sheetIndex).getEvalForCell(rowIndex, columnIndex); |
| } |
| } |