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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 org.apache.poi.ss.formula.BaseFormulaEvaluator;
- import org.apache.poi.ss.formula.EvaluationCell;
- import org.apache.poi.ss.formula.WorkbookEvaluator;
- import org.apache.poi.ss.formula.eval.BoolEval;
- import org.apache.poi.ss.formula.eval.ErrorEval;
- import org.apache.poi.ss.formula.eval.NumberEval;
- import org.apache.poi.ss.formula.eval.StringEval;
- import org.apache.poi.ss.formula.eval.ValueEval;
- import org.apache.poi.ss.usermodel.Cell;
- import org.apache.poi.ss.usermodel.CellType;
- import org.apache.poi.ss.usermodel.CellValue;
- import org.apache.poi.ss.usermodel.RichTextString;
-
- /**
- * Internal POI use only - parent of XSSF and SXSSF formula evaluators
- */
- public abstract class BaseXSSFFormulaEvaluator extends BaseFormulaEvaluator {
- protected BaseXSSFFormulaEvaluator(WorkbookEvaluator bookEvaluator) {
- super(bookEvaluator);
- }
- @Override
- protected RichTextString createRichTextString(String str) {
- return new XSSFRichTextString(str);
- }
-
- public void notifySetFormula(Cell cell) {
- _bookEvaluator.notifyUpdateCell(new XSSFEvaluationCell((XSSFCell)cell));
- }
- public void notifyDeleteCell(Cell cell) {
- _bookEvaluator.notifyDeleteCell(new XSSFEvaluationCell((XSSFCell)cell));
- }
- public void notifyUpdateCell(Cell cell) {
- _bookEvaluator.notifyUpdateCell(new XSSFEvaluationCell((XSSFCell)cell));
- }
-
- /**
- * Turns a XSSFCell / SXSSFCell into a XSSFEvaluationCell
- */
- protected abstract EvaluationCell toEvaluationCell(Cell cell);
-
- /**
- * Returns a CellValue wrapper around the supplied ValueEval instance.
- */
- protected CellValue evaluateFormulaCellValue(Cell cell) {
- EvaluationCell evalCell = toEvaluationCell(cell);
- ValueEval eval = _bookEvaluator.evaluate(evalCell);
- if (eval instanceof NumberEval) {
- NumberEval ne = (NumberEval) eval;
- return new CellValue(ne.getNumberValue());
- }
- if (eval instanceof BoolEval) {
- BoolEval be = (BoolEval) eval;
- return CellValue.valueOf(be.getBooleanValue());
- }
- if (eval instanceof StringEval) {
- StringEval ne = (StringEval) eval;
- return new CellValue(ne.getStringValue());
- }
- if (eval instanceof ErrorEval) {
- return CellValue.getError(((ErrorEval)eval).getErrorCode());
- }
- throw new RuntimeException("Unexpected eval class (" + eval.getClass().getName() + ")");
- }
- }
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