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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.EvaluationWorkbook;
- 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.formula.ptg.Area3DPxg;
- import org.apache.poi.ss.formula.ptg.Ptg;
- 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;
- import org.apache.poi.ss.util.CellReference;
- import org.apache.poi.xssf.model.ExternalLinksTable;
-
- /**
- * 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);
- }
-
- /**
- * Turns a XSSFCell / SXSSFCell into a XSSFEvaluationCell
- */
- protected abstract EvaluationCell toEvaluationCell(Cell cell);
-
- /**
- * Returns a CellValue wrapper around the supplied ValueEval instance.
- */
- @Override
- protected CellValue evaluateFormulaCellValue(Cell cell) {
- EvaluationCell evalCell = toEvaluationCell(cell);
- ValueEval eval = _bookEvaluator.evaluate(evalCell);
- cacheExternalWorkbookCells(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 IllegalStateException("Unexpected eval class (" + eval.getClass().getName() + ")");
- }
-
- /**
- * cache cell value of external workbook
- *
- * @param evalCell sourceCell
- */
- private void cacheExternalWorkbookCells(EvaluationCell evalCell) {
- //
- Ptg[] formulaTokens = getEvaluationWorkbook().getFormulaTokens(evalCell);
- for (Ptg ptg : formulaTokens) {
- if (ptg instanceof Area3DPxg) {
- Area3DPxg area3DPxg = (Area3DPxg) ptg;
- if (area3DPxg.getExternalWorkbookNumber() > 0) {
- EvaluationWorkbook.ExternalSheet externalSheet = getEvaluationWorkbook().getExternalSheet(area3DPxg.getSheetName(), area3DPxg.getLastSheetName(), area3DPxg.getExternalWorkbookNumber());
-
- XSSFCell xssfCell = ((XSSFEvaluationCell) evalCell).getXSSFCell();
- XSSFWorkbook externalWorkbook = (XSSFWorkbook) xssfCell.getSheet().getWorkbook().getCreationHelper().getReferencedWorkbooks().get(externalSheet.getWorkbookName());
- ExternalLinksTable externalLinksTable = xssfCell.getSheet().getWorkbook().getExternalLinksTable().get(area3DPxg.getExternalWorkbookNumber() - 1);
-
- int firstSheet = externalWorkbook.getSheetIndex(area3DPxg.getSheetName());
- int lastSheet = firstSheet;
- if (area3DPxg.getLastSheetName() != null) {
- lastSheet = externalWorkbook.getSheetIndex(area3DPxg.getLastSheetName());
- }
-
- for (int sheetIndex = firstSheet; sheetIndex <= lastSheet; sheetIndex++) {
- XSSFSheet sheet = externalWorkbook.getSheetAt(sheetIndex);
- int firstRow = area3DPxg.getFirstRow();
- int lastRow = area3DPxg.getLastRow();
- for (int rowIndex = firstRow; rowIndex <= lastRow; rowIndex++) {
- XSSFRow row = sheet.getRow(rowIndex);
- int firstColumn = area3DPxg.getFirstColumn();
- int lastColumn = area3DPxg.getLastColumn();
- for (int cellIndex = firstColumn; cellIndex <= lastColumn; cellIndex++) {
- XSSFCell cell = row.getCell(cellIndex);
- String cellValue = cell.getRawValue();
- String cellR = new CellReference(cell).formatAsString(false);
- externalLinksTable.cacheData(sheet.getSheetName(), (long)rowIndex + 1, cellR, cellValue);
- }
- }
-
- }
- }
-
- }
- }
- }
-
- @Override
- protected void setCellType(Cell cell, CellType cellType) {
- if (cell instanceof XSSFCell) {
- EvaluationWorkbook evaluationWorkbook = getEvaluationWorkbook();
- BaseXSSFEvaluationWorkbook xewb = BaseXSSFEvaluationWorkbook.class.isAssignableFrom(evaluationWorkbook.getClass()) ? (BaseXSSFEvaluationWorkbook) evaluationWorkbook : null;
-
- ((XSSFCell) cell).setCellType(cellType, xewb);
- } else {
- // could be an SXSSFCell
- cell.setCellType(cellType);
- }
- }
- }
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