Whitespace / indents

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1755068 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Nick Burch 2016-08-03 11:15:13 +00:00
parent 07dc4cecc4
commit b61ed84a8f
1 changed files with 310 additions and 313 deletions

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@ -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 <code>null</code>
* 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
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 <code>null</code>
* for the (conservative) assumption that any cell may have its definition changed after
* evaluation begins.
* @param udfFinder pass <code>null</code> for default (AnalysisToolPak only)
*/
private HSSFFormulaEvaluator(HSSFWorkbook workbook, IStabilityClassifier stabilityClassifier, UDFFinder udfFinder) {
_book = workbook;
_bookEvaluator = new WorkbookEvaluator(HSSFEvaluationWorkbook.create(workbook), stabilityClassifier, udfFinder);
}
*/
public HSSFFormulaEvaluator(HSSFWorkbook workbook, IStabilityClassifier stabilityClassifier) {
this(workbook, stabilityClassifier, null);
}
/**
* @param workbook The workbook to perform the formula evaluations in
* @param stabilityClassifier used to optimise caching performance. Pass <code>null</code>
* for the (conservative) assumption that any cell may have its definition changed after
* evaluation begins.
* @param udfFinder pass <code>null</code> 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 <code>null</code>
* for the (conservative) assumption that any cell may have its definition changed after
* evaluation begins.
* @param udfFinder pass <code>null</code> 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 <code>null</code>
* for the (conservative) assumption that any cell may have its definition changed after
* evaluation begins.
* @param udfFinder pass <code>null</code> 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<String, FormulaEvaluator> 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 <code>null</code> signifying that the cell is not present (or blank)
* @return <code>null</code> if the supplied cell is <code>null</code> 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 <code>null</code> signifying that the cell is not present (or blank)
* @return <code>null</code> if the supplied cell is <code>null</code> 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 <em>formula result</em> is returned, so you know what kind of
* cached formula result is also stored with the formula.
* <pre>
* int evaluatedCellType = evaluator.evaluateFormulaCell(cell);
* </pre>
* 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 <em>formula result</em>
*/
@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 <em>formula result</em> is returned, so you know what kind of
* cached formula result is also stored with the formula.
* <pre>
* CellType evaluatedCellType = evaluator.evaluateFormulaCell(cell);
* </pre>
* 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 <em>formula result</em>
* @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 <em>formula result</em> is returned, so you know what kind of
* cached formula result is also stored with the formula.
* <pre>
* int evaluatedCellType = evaluator.evaluateFormulaCell(cell);
* </pre>
* 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 <em>formula result</em>
*/
@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:
* <pre>
* int evaluatedCellType = evaluator.evaluateInCell(cell).getCellType();
* </pre>
* 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 <em>formula result</em> is returned, so you know what kind of
* cached formula result is also stored with the formula.
* <pre>
* CellType evaluatedCellType = evaluator.evaluateFormulaCell(cell);
* </pre>
* 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 <em>formula result</em>
* @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:
* <pre>
* int evaluatedCellType = evaluator.evaluateInCell(cell).getCellType();
* </pre>
* 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<wb.getNumberOfSheets(); i++) {
Sheet sheet = wb.getSheetAt(i);
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 + ")");
}
}
for(Row r : sheet) {
for (Cell c : r) {
if (c.getCellTypeEnum() == CellType.FORMULA) {
evaluator.evaluateFormulaCellEnum(c);
}
/**
* 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<wb.getNumberOfSheets(); i++) {
Sheet sheet = wb.getSheetAt(i);
for(Row r : sheet) {
for (Cell c : r) {
if (c.getCellTypeEnum() == CellType.FORMULA) {
evaluator.evaluateFormulaCellEnum(c);
}
}
}
}
}
}
/**
* 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.
*/
}
}
/**
* 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.
*/
@Override
public void evaluateAll() {
evaluateAllFormulaCells(_book, this);
@ -383,24 +380,24 @@ public class HSSFFormulaEvaluator implements FormulaEvaluator, WorkbookEvaluator
* @param cell
*/
private CellValue evaluateFormulaCellValue(Cell cell) {
ValueEval eval = _bookEvaluator.evaluate(new HSSFEvaluationCell((HSSFCell)cell));
if (eval instanceof BoolEval) {
BoolEval be = (BoolEval) eval;
return CellValue.valueOf(be.getBooleanValue());
}
if (eval instanceof NumericValueEval) {
NumericValueEval ne = (NumericValueEval) eval;
return new CellValue(ne.getNumberValue());
}
if (eval instanceof StringValueEval) {
StringValueEval ne = (StringValueEval) 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() + ")");
}
ValueEval eval = _bookEvaluator.evaluate(new HSSFEvaluationCell((HSSFCell)cell));
if (eval instanceof BoolEval) {
BoolEval be = (BoolEval) eval;
return CellValue.valueOf(be.getBooleanValue());
}
if (eval instanceof NumericValueEval) {
NumericValueEval ne = (NumericValueEval) eval;
return new CellValue(ne.getNumberValue());
}
if (eval instanceof StringValueEval) {
StringValueEval ne = (StringValueEval) 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() + ")");
}
/** {@inheritDoc} */
@Override