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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.usermodel;
-
- import java.util.HashMap;
- import java.util.Map;
-
- import org.apache.poi.ss.formula.EvaluationCell;
- import org.apache.poi.ss.formula.EvaluationSheet;
- import org.apache.poi.ss.formula.FormulaParser;
- import org.apache.poi.ss.formula.FormulaType;
- import org.apache.poi.ss.formula.ptg.Ptg;
- import org.apache.poi.util.Internal;
-
- /**
- * Internal POI use only
- */
- @Internal
- public final class XSSFEvaluationWorkbook extends BaseXSSFEvaluationWorkbook {
- private final Map<XSSFSheet, XSSFEvaluationSheet> _sheetCache = new HashMap<>();
-
- public static XSSFEvaluationWorkbook create(XSSFWorkbook book) {
- if (book == null) {
- return null;
- }
- return new XSSFEvaluationWorkbook(book);
- }
-
- private XSSFEvaluationWorkbook(XSSFWorkbook book) {
- super(book);
- }
-
- /* (non-JavaDoc), inherit JavaDoc from EvaluationSheet
- * @since POI 3.15 beta 3
- */
- @Override
- public void clearAllCachedResultValues() {
- super.clearAllCachedResultValues();
- _sheetCache.clear();
- }
-
- @Override
- public int getSheetIndex(EvaluationSheet evalSheet) {
- XSSFSheet sheet = ((XSSFEvaluationSheet)evalSheet).getXSSFSheet();
- return _uBook.getSheetIndex(sheet);
- }
-
- @Override
- public EvaluationSheet getSheet(int sheetIndex) {
- // verify index and let the method in _uBook throw the exception so we report
- // it the same way as in other places
- if (sheetIndex < 0 || sheetIndex >= _uBook.getNumberOfSheets()) {
- // this will throw an exception now as the index is out of bounds
- _uBook.getSheetAt(sheetIndex);
- }
-
- // Performance optimization: build sheet cache for each sheet to avoid re-creating
- // the XSSFEvaluationSheet each time a new cell is evaluated
- // EvaluationWorkbooks make not guarantee to synchronize changes made to
- // the underlying workbook after the EvaluationWorkbook is created.
- final XSSFSheet sheet = _uBook.getSheetAt(sheetIndex);
- return _sheetCache.computeIfAbsent(sheet, rows -> new XSSFEvaluationSheet(sheet));
- }
-
- @Override
- public Ptg[] getFormulaTokens(EvaluationCell evalCell) {
- final XSSFCell cell = ((XSSFEvaluationCell)evalCell).getXSSFCell();
- final int sheetIndex = _uBook.getSheetIndex(cell.getSheet());
- final int rowIndex = cell.getRowIndex();
- return FormulaParser.parse(cell.getCellFormula(this), this, FormulaType.CELL, sheetIndex, rowIndex);
- }
- }
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