From: Nick Burch Date: Wed, 3 Aug 2016 11:15:13 +0000 (+0000) Subject: Whitespace / indents X-Git-Url: https://source.dussan.org/?a=commitdiff_plain;h=560ff4004ef427ec736c89fe774856c68a7b0d10;p=poi.git Whitespace / indents git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1755068 13f79535-47bb-0310-9956-ffa450edef68 --- diff --git a/src/java/org/apache/poi/hssf/usermodel/HSSFFormulaEvaluator.java b/src/java/org/apache/poi/hssf/usermodel/HSSFFormulaEvaluator.java index ab2602eb36..458858f49f 100644 --- a/src/java/org/apache/poi/hssf/usermodel/HSSFFormulaEvaluator.java +++ b/src/java/org/apache/poi/hssf/usermodel/HSSFFormulaEvaluator.java @@ -46,333 +46,330 @@ import org.apache.poi.util.Internal; * calls to evaluate~ methods on this class. */ public class HSSFFormulaEvaluator implements FormulaEvaluator, WorkbookEvaluatorProvider { + private final WorkbookEvaluator _bookEvaluator; + private final HSSFWorkbook _book; - private final WorkbookEvaluator _bookEvaluator; - private final HSSFWorkbook _book; - - public HSSFFormulaEvaluator(HSSFWorkbook workbook) { - this(workbook, null); - } - /** - * @param workbook The workbook to perform the formula evaluations in - * @param stabilityClassifier used to optimise caching performance. Pass null - * for the (conservative) assumption that any cell may have its definition changed after - * evaluation begins. - */ - public HSSFFormulaEvaluator(HSSFWorkbook workbook, IStabilityClassifier stabilityClassifier) { - this(workbook, stabilityClassifier, null); - } + public HSSFFormulaEvaluator(HSSFWorkbook workbook) { + this(workbook, null); + } + /** + * @param workbook The workbook to perform the formula evaluations in + * @param stabilityClassifier used to optimise caching performance. Pass null + * for the (conservative) assumption that any cell may have its definition changed after + * evaluation begins. + */ + public HSSFFormulaEvaluator(HSSFWorkbook workbook, IStabilityClassifier stabilityClassifier) { + this(workbook, stabilityClassifier, null); + } - /** - * @param workbook The workbook to perform the formula evaluations in + /** + * @param workbook The workbook to perform the formula evaluations in * @param stabilityClassifier used to optimise caching performance. Pass null * for the (conservative) assumption that any cell may have its definition changed after * evaluation begins. - * @param udfFinder pass null for default (AnalysisToolPak only) - */ - private HSSFFormulaEvaluator(HSSFWorkbook workbook, IStabilityClassifier stabilityClassifier, UDFFinder udfFinder) { - _book = workbook; - _bookEvaluator = new WorkbookEvaluator(HSSFEvaluationWorkbook.create(workbook), stabilityClassifier, udfFinder); - } + * @param udfFinder pass null for default (AnalysisToolPak only) + */ + private HSSFFormulaEvaluator(HSSFWorkbook workbook, IStabilityClassifier stabilityClassifier, UDFFinder udfFinder) { + _book = workbook; + _bookEvaluator = new WorkbookEvaluator(HSSFEvaluationWorkbook.create(workbook), stabilityClassifier, udfFinder); + } - /** - * @param workbook The workbook to perform the formula evaluations in - * @param stabilityClassifier used to optimise caching performance. Pass null - * for the (conservative) assumption that any cell may have its definition changed after - * evaluation begins. - * @param udfFinder pass null for default (AnalysisToolPak only) - */ - public static HSSFFormulaEvaluator create(HSSFWorkbook workbook, IStabilityClassifier stabilityClassifier, UDFFinder udfFinder) { - return new HSSFFormulaEvaluator(workbook, stabilityClassifier, udfFinder); - } + /** + * @param workbook The workbook to perform the formula evaluations in + * @param stabilityClassifier used to optimise caching performance. Pass null + * for the (conservative) assumption that any cell may have its definition changed after + * evaluation begins. + * @param udfFinder pass null for default (AnalysisToolPak only) + */ + public static HSSFFormulaEvaluator create(HSSFWorkbook workbook, IStabilityClassifier stabilityClassifier, UDFFinder udfFinder) { + return new HSSFFormulaEvaluator(workbook, stabilityClassifier, udfFinder); + } - /** - * Coordinates several formula evaluators together so that formulas that involve external - * references can be evaluated. - * @param workbookNames the simple file names used to identify the workbooks in formulas - * with external links (for example "MyData.xls" as used in a formula "[MyData.xls]Sheet1!A1") - * @param evaluators all evaluators for the full set of workbooks required by the formulas. - */ - public static void setupEnvironment(String[] workbookNames, HSSFFormulaEvaluator[] evaluators) { - WorkbookEvaluator[] wbEvals = new WorkbookEvaluator[evaluators.length]; - for (int i = 0; i < wbEvals.length; i++) { - wbEvals[i] = evaluators[i]._bookEvaluator; - } - CollaboratingWorkbooksEnvironment.setup(workbookNames, wbEvals); - } + /** + * Coordinates several formula evaluators together so that formulas that involve external + * references can be evaluated. + * @param workbookNames the simple file names used to identify the workbooks in formulas + * with external links (for example "MyData.xls" as used in a formula "[MyData.xls]Sheet1!A1") + * @param evaluators all evaluators for the full set of workbooks required by the formulas. + */ + public static void setupEnvironment(String[] workbookNames, HSSFFormulaEvaluator[] evaluators) { + WorkbookEvaluator[] wbEvals = new WorkbookEvaluator[evaluators.length]; + for (int i = 0; i < wbEvals.length; i++) { + wbEvals[i] = evaluators[i]._bookEvaluator; + } + CollaboratingWorkbooksEnvironment.setup(workbookNames, wbEvals); + } - @Override + @Override public void setupReferencedWorkbooks(Map evaluators) { CollaboratingWorkbooksEnvironment.setupFormulaEvaluator(evaluators); } - + @Override public WorkbookEvaluator _getWorkbookEvaluator() { return _bookEvaluator; } - - /** - * Should be called whenever there are major changes (e.g. moving sheets) to input cells - * in the evaluated workbook. If performance is not critical, a single call to this method - * may be used instead of many specific calls to the notify~ methods. - * - * Failure to call this method after changing cell values will cause incorrect behaviour - * of the evaluate~ methods of this class - */ - @Override + + /** + * Should be called whenever there are major changes (e.g. moving sheets) to input cells + * in the evaluated workbook. If performance is not critical, a single call to this method + * may be used instead of many specific calls to the notify~ methods. + * + * Failure to call this method after changing cell values will cause incorrect behaviour + * of the evaluate~ methods of this class + */ + @Override public void clearAllCachedResultValues() { - _bookEvaluator.clearAllCachedResultValues(); - } - /** - * Should be called to tell the cell value cache that the specified (value or formula) cell - * has changed. - * Failure to call this method after changing cell values will cause incorrect behaviour - * of the evaluate~ methods of this class - */ - public void notifyUpdateCell(HSSFCell cell) { - _bookEvaluator.notifyUpdateCell(new HSSFEvaluationCell(cell)); - } + _bookEvaluator.clearAllCachedResultValues(); + } + /** + * Should be called to tell the cell value cache that the specified (value or formula) cell + * has changed. + * Failure to call this method after changing cell values will cause incorrect behaviour + * of the evaluate~ methods of this class + */ + public void notifyUpdateCell(HSSFCell cell) { + _bookEvaluator.notifyUpdateCell(new HSSFEvaluationCell(cell)); + } @Override public void notifyUpdateCell(Cell cell) { _bookEvaluator.notifyUpdateCell(new HSSFEvaluationCell((HSSFCell)cell)); } - /** - * Should be called to tell the cell value cache that the specified cell has just been - * deleted. - * Failure to call this method after changing cell values will cause incorrect behaviour - * of the evaluate~ methods of this class - */ - public void notifyDeleteCell(HSSFCell cell) { - _bookEvaluator.notifyDeleteCell(new HSSFEvaluationCell(cell)); - } - @Override + /** + * Should be called to tell the cell value cache that the specified cell has just been + * deleted. + * Failure to call this method after changing cell values will cause incorrect behaviour + * of the evaluate~ methods of this class + */ + public void notifyDeleteCell(HSSFCell cell) { + _bookEvaluator.notifyDeleteCell(new HSSFEvaluationCell(cell)); + } + @Override public void notifyDeleteCell(Cell cell) { - _bookEvaluator.notifyDeleteCell(new HSSFEvaluationCell((HSSFCell)cell)); - } + _bookEvaluator.notifyDeleteCell(new HSSFEvaluationCell((HSSFCell)cell)); + } - /** - * Should be called to tell the cell value cache that the specified (value or formula) cell - * has changed. - * Failure to call this method after changing cell values will cause incorrect behaviour - * of the evaluate~ methods of this class - */ - @Override + /** + * Should be called to tell the cell value cache that the specified (value or formula) cell + * has changed. + * Failure to call this method after changing cell values will cause incorrect behaviour + * of the evaluate~ methods of this class + */ + @Override public void notifySetFormula(Cell cell) { - _bookEvaluator.notifyUpdateCell(new HSSFEvaluationCell((HSSFCell)cell)); - } + _bookEvaluator.notifyUpdateCell(new HSSFEvaluationCell((HSSFCell)cell)); + } - /** - * If cell contains a formula, the formula is evaluated and returned, - * else the CellValue simply copies the appropriate cell value from - * the cell and also its cell type. This method should be preferred over - * evaluateInCell() when the call should not modify the contents of the - * original cell. - * - * @param cell may be null signifying that the cell is not present (or blank) - * @return null if the supplied cell is null or blank - */ - @Override - public CellValue evaluate(Cell cell) { - if (cell == null) { - return null; - } + /** + * If cell contains a formula, the formula is evaluated and returned, + * else the CellValue simply copies the appropriate cell value from + * the cell and also its cell type. This method should be preferred over + * evaluateInCell() when the call should not modify the contents of the + * original cell. + * + * @param cell may be null signifying that the cell is not present (or blank) + * @return null if the supplied cell is null or blank + */ + @Override + public CellValue evaluate(Cell cell) { + if (cell == null) { + return null; + } - switch (cell.getCellTypeEnum()) { - case BOOLEAN: - return CellValue.valueOf(cell.getBooleanCellValue()); - case ERROR: - return CellValue.getError(cell.getErrorCellValue()); - case FORMULA: - return evaluateFormulaCellValue(cell); - case NUMERIC: - return new CellValue(cell.getNumericCellValue()); - case STRING: - return new CellValue(cell.getRichStringCellValue().getString()); - case BLANK: - return null; - default: - throw new IllegalStateException("Bad cell type (" + cell.getCellTypeEnum() + ")"); - } - - } + switch (cell.getCellTypeEnum()) { + case BOOLEAN: + return CellValue.valueOf(cell.getBooleanCellValue()); + case ERROR: + return CellValue.getError(cell.getErrorCellValue()); + case FORMULA: + return evaluateFormulaCellValue(cell); + case NUMERIC: + return new CellValue(cell.getNumericCellValue()); + case STRING: + return new CellValue(cell.getRichStringCellValue().getString()); + case BLANK: + return null; + default: + throw new IllegalStateException("Bad cell type (" + cell.getCellTypeEnum() + ")"); + } + } - /** - * If cell contains formula, it evaluates the formula, and saves the result of the formula. The - * cell remains as a formula cell. If the cell does not contain formula, this method returns -1 - * and leaves the cell unchanged. - * - * Note that the type of the formula result is returned, so you know what kind of - * cached formula result is also stored with the formula. - * 
-	 * int evaluatedCellType = evaluator.evaluateFormulaCell(cell);
-	 *
- * Be aware that your cell will hold both the formula, and the result. If you want the cell - * replaced with the result of the formula, use {@link #evaluateInCell(org.apache.poi.ss.usermodel.Cell)} - * @param cell The cell to evaluate - * @return -1 for non-formula cells, or the type of the formula result - */ - @Override - public int evaluateFormulaCell(Cell cell) { - return evaluateFormulaCellEnum(cell).getCode(); - } - - /** - * If cell contains formula, it evaluates the formula, and saves the result of the formula. The - * cell remains as a formula cell. If the cell does not contain formula, rather than throwing an - * exception, this method returns {@link CellType#_NONE} and leaves the cell unchanged. - * - * Note that the type of the formula result is returned, so you know what kind of - * cached formula result is also stored with the formula. - * 
-	 * CellType evaluatedCellType = evaluator.evaluateFormulaCell(cell);
-	 *
- * Be aware that your cell will hold both the formula, and the result. If you want the cell - * replaced with the result of the formula, use {@link #evaluateInCell(org.apache.poi.ss.usermodel.Cell)} - * @param cell The cell to evaluate - * @return {@link CellType#_NONE} for non-formula cells, or the type of the formula result - * @since POI 3.15 beta 3 - * @deprecated POI 3.15 beta 3. Will be deleted when we make the CellType enum transition. See bug 59791. - */ - @Internal - @Override - public CellType evaluateFormulaCellEnum(Cell cell) { - if (cell == null || cell.getCellTypeEnum() != CellType.FORMULA) { - return CellType._NONE; - } - CellValue cv = evaluateFormulaCellValue(cell); - // cell remains a formula cell, but the cached value is changed - setCellValue(cell, cv); - return cv.getCellType(); - } + /** + * If cell contains formula, it evaluates the formula, and saves the result of the formula. The + * cell remains as a formula cell. If the cell does not contain formula, this method returns -1 + * and leaves the cell unchanged. + * + * Note that the type of the formula result is returned, so you know what kind of + * cached formula result is also stored with the formula. + * 
+     * int evaluatedCellType = evaluator.evaluateFormulaCell(cell);
+     *
+ * Be aware that your cell will hold both the formula, and the result. If you want the cell + * replaced with the result of the formula, use {@link #evaluateInCell(org.apache.poi.ss.usermodel.Cell)} + * @param cell The cell to evaluate + * @return -1 for non-formula cells, or the type of the formula result + */ + @Override + public int evaluateFormulaCell(Cell cell) { + return evaluateFormulaCellEnum(cell).getCode(); + } - /** - * If cell contains formula, it evaluates the formula, and - * puts the formula result back into the cell, in place - * of the old formula. - * Else if cell does not contain formula, this method leaves - * the cell unchanged. - * Note that the same instance of HSSFCell is returned to - * allow chained calls like: - * 
-	 * int evaluatedCellType = evaluator.evaluateInCell(cell).getCellType();
-	 *
- * Be aware that your cell value will be changed to hold the - * result of the formula. If you simply want the formula - * value computed for you, use {@link #evaluateFormulaCellEnum(Cell)}} - */ - @Override - public HSSFCell evaluateInCell(Cell cell) { - if (cell == null) { - return null; - } - HSSFCell result = (HSSFCell) cell; - if (cell.getCellTypeEnum() == CellType.FORMULA) { - CellValue cv = evaluateFormulaCellValue(cell); - setCellValue(cell, cv); - setCellType(cell, cv); // cell will no longer be a formula cell - } - return result; - } - private static void setCellType(Cell cell, CellValue cv) { - CellType cellType = cv.getCellType(); - switch (cellType) { - case BOOLEAN: - case ERROR: - case NUMERIC: - case STRING: - cell.setCellType(cellType); - return; - case BLANK: - // never happens - blanks eventually get translated to zero - case FORMULA: - // this will never happen, we have already evaluated the formula - default: - throw new IllegalStateException("Unexpected cell value type (" + cellType + ")"); - } - - } + /** + * If cell contains formula, it evaluates the formula, and saves the result of the formula. The + * cell remains as a formula cell. If the cell does not contain formula, rather than throwing an + * exception, this method returns {@link CellType#_NONE} and leaves the cell unchanged. + * + * Note that the type of the formula result is returned, so you know what kind of + * cached formula result is also stored with the formula. + * 
+     * CellType evaluatedCellType = evaluator.evaluateFormulaCell(cell);
+     *
+ * Be aware that your cell will hold both the formula, and the result. If you want the cell + * replaced with the result of the formula, use {@link #evaluateInCell(org.apache.poi.ss.usermodel.Cell)} + * @param cell The cell to evaluate + * @return {@link CellType#_NONE} for non-formula cells, or the type of the formula result + * @since POI 3.15 beta 3 + * @deprecated POI 3.15 beta 3. Will be deleted when we make the CellType enum transition. See bug 59791. + */ + @Internal + @Override + public CellType evaluateFormulaCellEnum(Cell cell) { + if (cell == null || cell.getCellTypeEnum() != CellType.FORMULA) { + return CellType._NONE; + } + CellValue cv = evaluateFormulaCellValue(cell); + // cell remains a formula cell, but the cached value is changed + setCellValue(cell, cv); + return cv.getCellType(); + } - private static void setCellValue(Cell cell, CellValue cv) { - CellType cellType = cv.getCellType(); - switch (cellType) { - case BOOLEAN: - cell.setCellValue(cv.getBooleanValue()); - break; - case ERROR: - cell.setCellErrorValue(cv.getErrorValue()); - break; - case NUMERIC: - cell.setCellValue(cv.getNumberValue()); - break; - case STRING: - cell.setCellValue(new HSSFRichTextString(cv.getStringValue())); - break; - case BLANK: - // never happens - blanks eventually get translated to zero - case FORMULA: - // this will never happen, we have already evaluated the formula - default: - throw new IllegalStateException("Unexpected cell value type (" + cellType + ")"); - } - } + /** + * If cell contains formula, it evaluates the formula, and + * puts the formula result back into the cell, in place + * of the old formula. + * Else if cell does not contain formula, this method leaves + * the cell unchanged. + * Note that the same instance of HSSFCell is returned to + * allow chained calls like: + * 
+     * int evaluatedCellType = evaluator.evaluateInCell(cell).getCellType();
+     *
+ * Be aware that your cell value will be changed to hold the + * result of the formula. If you simply want the formula + * value computed for you, use {@link #evaluateFormulaCellEnum(Cell)}} + */ + @Override + public HSSFCell evaluateInCell(Cell cell) { + if (cell == null) { + return null; + } + HSSFCell result = (HSSFCell) cell; + if (cell.getCellTypeEnum() == CellType.FORMULA) { + CellValue cv = evaluateFormulaCellValue(cell); + setCellValue(cell, cv); + setCellType(cell, cv); // cell will no longer be a formula cell + } + return result; + } + private static void setCellType(Cell cell, CellValue cv) { + CellType cellType = cv.getCellType(); + switch (cellType) { + case BOOLEAN: + case ERROR: + case NUMERIC: + case STRING: + cell.setCellType(cellType); + return; + case BLANK: + // never happens - blanks eventually get translated to zero + case FORMULA: + // this will never happen, we have already evaluated the formula + default: + throw new IllegalStateException("Unexpected cell value type (" + cellType + ")"); + } + } - /** - * Loops over all cells in all sheets of the supplied - * workbook. - * For cells that contain formulas, their formulas are - * evaluated, and the results are saved. These cells - * remain as formula cells. - * For cells that do not contain formulas, no changes - * are made. - * This is a helpful wrapper around looping over all - * cells, and calling evaluateFormulaCell on each one. - */ - public static void evaluateAllFormulaCells(HSSFWorkbook wb) { - evaluateAllFormulaCells(wb, new HSSFFormulaEvaluator(wb)); - } - - /** - * Loops over all cells in all sheets of the supplied - * workbook. - * For cells that contain formulas, their formulas are - * evaluated, and the results are saved. These cells - * remain as formula cells. - * For cells that do not contain formulas, no changes - * are made. - * This is a helpful wrapper around looping over all - * cells, and calling evaluateFormulaCell on each one. - */ - public static void evaluateAllFormulaCells(Workbook wb) { - FormulaEvaluator evaluator = wb.getCreationHelper().createFormulaEvaluator(); - evaluateAllFormulaCells(wb, evaluator); - } - private static void evaluateAllFormulaCells(Workbook wb, FormulaEvaluator evaluator) { - for(int i=0; i