aboutsummaryrefslogtreecommitdiffstats
path: root/src/testcases/org/apache/poi/ss/usermodel/BaseTestDataValidation.java
blob: 40893c9dc68a137d34728df6a9244d8f2cdac7b6 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
/* ====================================================================
   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.ss.usermodel;

import junit.framework.TestCase;

import org.apache.poi.ss.ITestDataProvider;
import org.apache.poi.ss.util.CellRangeAddress;
import org.apache.poi.ss.util.CellRangeAddressList;
import org.apache.poi.util.POILogFactory;
import org.apache.poi.util.POILogger;

/**
 * Class for testing Excel's data validation mechanism
 *
 * @author Dragos Buleandra ( dragos.buleandra@trade2b.ro )
 */
public abstract class BaseTestDataValidation extends TestCase {
    private final ITestDataProvider _testDataProvider;

    private static final POILogger log = POILogFactory.getLogger(BaseTestDataValidation.class);

    protected BaseTestDataValidation(ITestDataProvider testDataProvider) {
        _testDataProvider = testDataProvider;
    }

	/** Convenient access to ERROR_STYLE constants */
	protected static final DataValidation.ErrorStyle ES = null;
	/** Convenient access to OPERATOR constants */
	protected static final DataValidationConstraint.ValidationType VT = null;
	/** Convenient access to OPERATOR constants */
	protected static final DataValidationConstraint.OperatorType OP = null;

	private static final class ValidationAdder {

		private final CellStyle _style_1;
		private final CellStyle _style_2;
		private  final int _validationType;
		private final Sheet _sheet;
		private int _currentRowIndex;
		private final CellStyle _cellStyle;

		public ValidationAdder(Sheet fSheet, CellStyle style_1, CellStyle style_2,
				CellStyle cellStyle, int validationType) {
			_sheet = fSheet;
			_style_1 = style_1;
			_style_2 = style_2;
			_cellStyle = cellStyle;
			_validationType = validationType;
			_currentRowIndex = fSheet.getPhysicalNumberOfRows();
		}
		public void addValidation(int operatorType, String firstFormula, String secondFormula,
				int errorStyle, String ruleDescr, String promptDescr,
				boolean allowEmpty, boolean inputBox, boolean errorBox) {
			String[] explicitListValues = null;

			addValidationInternal(operatorType, firstFormula, secondFormula, errorStyle, ruleDescr,
					promptDescr, allowEmpty, inputBox, errorBox, true,
					explicitListValues);
		}

		private void addValidationInternal(int operatorType, String firstFormula,
				String secondFormula, int errorStyle, String ruleDescr, String promptDescr,
				boolean allowEmpty, boolean inputBox, boolean errorBox, boolean suppressDropDown,
				String[] explicitListValues) {
			int rowNum = _currentRowIndex++;

			DataValidationHelper dataValidationHelper = _sheet.getDataValidationHelper();
			DataValidationConstraint dc = createConstraint(dataValidationHelper,operatorType, firstFormula, secondFormula, explicitListValues);

			DataValidation dv = dataValidationHelper.createValidation(dc,new CellRangeAddressList(rowNum, rowNum, 0, 0));

			dv.setEmptyCellAllowed(allowEmpty);
			dv.setErrorStyle(errorStyle);
			dv.createErrorBox("Invalid Input", "Something is wrong - check condition!");
			dv.createPromptBox("Validated Cell", "Allowable values have been restricted");

			dv.setShowPromptBox(inputBox);
			dv.setShowErrorBox(errorBox);
			dv.setSuppressDropDownArrow(suppressDropDown);


			_sheet.addValidationData(dv);
			writeDataValidationSettings(_sheet, _style_1, _style_2, ruleDescr, allowEmpty,
					inputBox, errorBox);
			if (_cellStyle != null) {
				Row row = _sheet.getRow(_sheet.getPhysicalNumberOfRows() - 1);
				Cell cell = row.createCell(0);
				cell.setCellStyle(_cellStyle);
			}
			writeOtherSettings(_sheet, _style_1, promptDescr);
		}
		private DataValidationConstraint createConstraint(DataValidationHelper dataValidationHelper,int operatorType, String firstFormula,
				String secondFormula, String[] explicitListValues) {
			if (_validationType == VT.LIST) {
				if (explicitListValues != null) {
					return dataValidationHelper.createExplicitListConstraint(explicitListValues);
				}
				return dataValidationHelper.createFormulaListConstraint(firstFormula);
			}
			if (_validationType == VT.TIME) {
				return dataValidationHelper.createTimeConstraint(operatorType, firstFormula, secondFormula);
			}
			if (_validationType == VT.DATE) {
				return dataValidationHelper.createDateConstraint(operatorType, firstFormula, secondFormula, null);
			}
			if (_validationType == VT.FORMULA) {
				return dataValidationHelper.createCustomConstraint(firstFormula);
			}

			if( _validationType == VT.INTEGER) {
				return dataValidationHelper.createIntegerConstraint(operatorType, firstFormula, secondFormula);
			}
			if( _validationType == VT.DECIMAL) {
				return dataValidationHelper.createDecimalConstraint(operatorType, firstFormula, secondFormula);
			}
			if( _validationType == VT.TEXT_LENGTH) {
				return dataValidationHelper.createTextLengthConstraint(operatorType, firstFormula, secondFormula);
			}
			return null;
		}
		/**
		 * writes plain text values into cells in a tabular format to form comments readable from within
		 * the spreadsheet.
		 */
		private static void writeDataValidationSettings(Sheet sheet, CellStyle style_1,
				CellStyle style_2, String strCondition, boolean allowEmpty, boolean inputBox,
				boolean errorBox) {
			Row row = sheet.createRow(sheet.getPhysicalNumberOfRows());
			// condition's string
			Cell cell = row.createCell(1);
			cell.setCellStyle(style_1);
			setCellValue(cell, strCondition);
			// allow empty cells
			cell = row.createCell(2);
			cell.setCellStyle(style_2);
			setCellValue(cell, ((allowEmpty) ? "yes" : "no"));
			// show input box
			cell = row.createCell(3);
			cell.setCellStyle(style_2);
			setCellValue(cell, ((inputBox) ? "yes" : "no"));
			// show error box
			cell = row.createCell(4);
			cell.setCellStyle(style_2);
			setCellValue(cell, ((errorBox) ? "yes" : "no"));
		}
		private static void writeOtherSettings(Sheet sheet, CellStyle style,
				String strStettings) {
			Row row = sheet.getRow(sheet.getPhysicalNumberOfRows() - 1);
			Cell cell = row.createCell(5);
			cell.setCellStyle(style);
			setCellValue(cell, strStettings);
		}
		public void addListValidation(String[] explicitListValues, String listFormula, String listValsDescr,
				boolean allowEmpty, boolean suppressDropDown) {
			String promptDescr = (allowEmpty ? "empty ok" : "not empty")
					+ ", " + (suppressDropDown ? "no drop-down" : "drop-down");
			addValidationInternal(VT.LIST, listFormula, null, ES.STOP, listValsDescr, promptDescr,
					allowEmpty, false, true, suppressDropDown, explicitListValues);
		}
	}

    private static void log(String msg) {
        log.log(POILogger.INFO, msg);
    }

	/**
	 * Manages the cell styles used for formatting the output spreadsheet
	 */
	private static final class WorkbookFormatter {

		private final Workbook _wb;
		private final CellStyle _style_1;
		private final CellStyle _style_2;
		private final CellStyle _style_3;
		private final CellStyle _style_4;
		private Sheet _currentSheet;

		public WorkbookFormatter(Workbook wb) {
			_wb = wb;
			_style_1 = createStyle( wb, CellStyle.ALIGN_LEFT );
			_style_2 = createStyle( wb, CellStyle.ALIGN_CENTER );
			_style_3 = createStyle( wb, CellStyle.ALIGN_CENTER, IndexedColors.GREY_25_PERCENT.getIndex(), true );
			_style_4 = createHeaderStyle(wb);
		}

		private static CellStyle createStyle(Workbook wb, short h_align, short color,
				boolean bold) {
			Font font = wb.createFont();
			if (bold) {
				font.setBoldweight(Font.BOLDWEIGHT_BOLD);
			}

			CellStyle cellStyle = wb.createCellStyle();
			cellStyle.setFont(font);
			cellStyle.setFillForegroundColor(color);
			cellStyle.setFillPattern(CellStyle.SOLID_FOREGROUND);
			cellStyle.setVerticalAlignment(CellStyle.VERTICAL_CENTER);
			cellStyle.setAlignment(h_align);
			cellStyle.setBorderLeft(CellStyle.BORDER_THIN);
			cellStyle.setLeftBorderColor(IndexedColors.BLACK.getIndex());
			cellStyle.setBorderTop(CellStyle.BORDER_THIN);
			cellStyle.setTopBorderColor(IndexedColors.BLACK.getIndex());
			cellStyle.setBorderRight(CellStyle.BORDER_THIN);
			cellStyle.setRightBorderColor(IndexedColors.BLACK.getIndex());
			cellStyle.setBorderBottom(CellStyle.BORDER_THIN);
			cellStyle.setBottomBorderColor(IndexedColors.BLACK.getIndex());

			return cellStyle;
		}

		private static CellStyle createStyle(Workbook wb, short h_align) {
			return createStyle(wb, h_align, IndexedColors.WHITE.getIndex(), false);
		}
		private static CellStyle createHeaderStyle(Workbook wb) {
			Font font = wb.createFont();
			font.setColor( IndexedColors.WHITE.getIndex() );
			font.setBoldweight(Font.BOLDWEIGHT_BOLD);

			CellStyle cellStyle = wb.createCellStyle();
			cellStyle.setFillForegroundColor(IndexedColors.BLUE_GREY.getIndex());
			cellStyle.setFillPattern(CellStyle.SOLID_FOREGROUND);
			cellStyle.setAlignment(CellStyle.ALIGN_CENTER);
			cellStyle.setVerticalAlignment(CellStyle.VERTICAL_CENTER);
			cellStyle.setBorderLeft(CellStyle.BORDER_THIN);
			cellStyle.setLeftBorderColor(IndexedColors.WHITE.getIndex());
			cellStyle.setBorderTop(CellStyle.BORDER_THIN);
			cellStyle.setTopBorderColor(IndexedColors.WHITE.getIndex());
			cellStyle.setBorderRight(CellStyle.BORDER_THIN);
			cellStyle.setRightBorderColor(IndexedColors.WHITE.getIndex());
			cellStyle.setBorderBottom(CellStyle.BORDER_THIN);
			cellStyle.setBottomBorderColor(IndexedColors.WHITE.getIndex());
			cellStyle.setFont(font);
			return cellStyle;
		}


		public Sheet createSheet(String sheetName) {
			_currentSheet = _wb.createSheet(sheetName);
			return _currentSheet;
		}
		public void createDVTypeRow(String strTypeDescription) {
			Sheet sheet = _currentSheet;
			Row row = sheet.createRow(sheet.getPhysicalNumberOfRows());
			sheet.addMergedRegion(new CellRangeAddress(sheet.getPhysicalNumberOfRows()-1, sheet.getPhysicalNumberOfRows()-1, 0, 5));
			Cell cell = row.createCell(0);
			setCellValue(cell, strTypeDescription);
			cell.setCellStyle(_style_3);
			row = sheet.createRow(sheet.getPhysicalNumberOfRows());
		}

		public void createHeaderRow() {
			Sheet sheet = _currentSheet;
			Row row = sheet.createRow(sheet.getPhysicalNumberOfRows());
			row.setHeight((short) 400);
			for (int i = 0; i < 6; i++) {
				row.createCell(i).setCellStyle(_style_4);
				if (i == 2 || i == 3 || i == 4) {
					sheet.setColumnWidth(i, 3500);
				} else if (i == 5) {
					sheet.setColumnWidth(i, 10000);
				} else {
					sheet.setColumnWidth(i, 8000);
				}
			}
			Cell cell = row.getCell(0);
			setCellValue(cell, "Data validation cells");
			cell = row.getCell(1);
			setCellValue(cell, "Condition");
			cell = row.getCell(2);
			setCellValue(cell, "Allow blank");
			cell = row.getCell(3);
			setCellValue(cell, "Prompt box");
			cell = row.getCell(4);
			setCellValue(cell, "Error box");
			cell = row.getCell(5);
			setCellValue(cell, "Other settings");
		}

		public ValidationAdder createValidationAdder(CellStyle cellStyle, int dataValidationType) {
			return new ValidationAdder(_currentSheet, _style_1, _style_2, cellStyle, dataValidationType);
		}

		public void createDVDescriptionRow(String strTypeDescription) {
			Sheet sheet = _currentSheet;
			Row row = sheet.getRow(sheet.getPhysicalNumberOfRows()-1);
			sheet.addMergedRegion(new CellRangeAddress(sheet.getPhysicalNumberOfRows()-1, sheet.getPhysicalNumberOfRows()-1, 0, 5));
			Cell cell = row.createCell(0);
			setCellValue(cell, strTypeDescription);
			cell.setCellStyle(_style_3);
			row = sheet.createRow(sheet.getPhysicalNumberOfRows());
		}
	}


	private void addCustomValidations(WorkbookFormatter wf) {
		wf.createSheet("Custom");
		wf.createHeaderRow();

		ValidationAdder va = wf.createValidationAdder(null, VT.FORMULA);
		va.addValidation(OP.BETWEEN, "ISNUMBER($A2)", null, ES.STOP, "ISNUMBER(A2)", "Error box type = STOP", true, true, true);
		va.addValidation(OP.BETWEEN, "IF(SUM(A2:A3)=5,TRUE,FALSE)", null, ES.WARNING, "IF(SUM(A2:A3)=5,TRUE,FALSE)", "Error box type = WARNING", false, false, true);
	}

	private static void addSimpleNumericValidations(WorkbookFormatter wf) {
		// data validation's number types
		wf.createSheet("Numbers");

		// "Whole number" validation type
		wf.createDVTypeRow("Whole number");
		wf.createHeaderRow();

		ValidationAdder va = wf.createValidationAdder(null, VT.INTEGER);
		va.addValidation(OP.BETWEEN, "2", "6", ES.STOP, "Between 2 and 6 ", "Error box type = STOP", true, true, true);
		va.addValidation(OP.NOT_BETWEEN, "2", "6", ES.INFO, "Not between 2 and 6 ", "Error box type = INFO", false, true, true);
		va.addValidation(OP.EQUAL, "=3+2", null, ES.WARNING, "Equal to (3+2)", "Error box type = WARNING", false, false, true);
		va.addValidation(OP.NOT_EQUAL, "3", null, ES.WARNING, "Not equal to 3", "-", false, false, false);
		va.addValidation(OP.GREATER_THAN, "3", null, ES.WARNING, "Greater than 3", "-", true, false, false);
		va.addValidation(OP.LESS_THAN, "3", null, ES.WARNING, "Less than 3", "-", true, true, false);
		va.addValidation(OP.GREATER_OR_EQUAL, "4", null, ES.STOP, "Greater than or equal to 4", "Error box type = STOP", true, false, true);
		va.addValidation(OP.LESS_OR_EQUAL, "4", null, ES.STOP, "Less than or equal to 4", "-", false, true, false);

		// "Decimal" validation type
		wf.createDVTypeRow("Decimal");
		wf.createHeaderRow();

		va = wf.createValidationAdder(null, VT.DECIMAL);
		va.addValidation(OP.BETWEEN, "2", "6", ES.STOP, "Between 2 and 6 ", "Error box type = STOP", true, true, true);
		va.addValidation(OP.NOT_BETWEEN, "2", "6", ES.INFO, "Not between 2 and 6 ", "Error box type = INFO", false, true, true);
		va.addValidation(OP.EQUAL, "3", null, ES.WARNING, "Equal to 3", "Error box type = WARNING", false, false, true);
		va.addValidation(OP.NOT_EQUAL, "3", null, ES.WARNING, "Not equal to 3", "-", false, false, false);
		va.addValidation(OP.GREATER_THAN, "=12/6", null, ES.WARNING, "Greater than (12/6)", "-", true, false, false);
		va.addValidation(OP.LESS_THAN, "3", null, ES.WARNING, "Less than 3", "-", true, true, false);
		va.addValidation(OP.GREATER_OR_EQUAL, "4", null, ES.STOP, "Greater than or equal to 4", "Error box type = STOP", true, false, true);
		va.addValidation(OP.LESS_OR_EQUAL, "4", null, ES.STOP, "Less than or equal to 4", "-", false, true, false);
	}

	private static void addListValidations(WorkbookFormatter wf, Workbook wb) {
		final String cellStrValue
		 = "a b c d e f g h i j k l m n o p r s t u v x y z w 0 1 2 3 4 "
		+ "a b c d e f g h i j k l m n o p r s t u v x y z w 0 1 2 3 4 "
		+ "a b c d e f g h i j k l m n o p r s t u v x y z w 0 1 2 3 4 "
		+ "a b c d e f g h i j k l m n o p r s t u v x y z w 0 1 2 3 4 ";
		final String dataSheetName = "list_data";
		// "List" Data Validation type
		Sheet fSheet = wf.createSheet("Lists");
		Sheet dataSheet = wb.createSheet(dataSheetName);


		wf.createDVTypeRow("Explicit lists - list items are explicitly provided");
		wf.createDVDescriptionRow("Disadvantage - sum of item's length should be less than 255 characters");
		wf.createHeaderRow();

		ValidationAdder va = wf.createValidationAdder(null, VT.LIST);
		String listValsDescr = "POIFS,HSSF,HWPF,HPSF";
		String[] listVals = listValsDescr.split(",");
		va.addListValidation(listVals, null, listValsDescr, false, false);
		va.addListValidation(listVals, null, listValsDescr, false, true);
		va.addListValidation(listVals, null, listValsDescr, true, false);
		va.addListValidation(listVals, null, listValsDescr, true, true);



		wf.createDVTypeRow("Reference lists - list items are taken from others cells");
		wf.createDVDescriptionRow("Advantage - no restriction regarding the sum of item's length");
		wf.createHeaderRow();
		va = wf.createValidationAdder(null, VT.LIST);
		String strFormula = "$A$30:$A$39";
		va.addListValidation(null, strFormula, strFormula, false, false);

		strFormula = dataSheetName + "!$A$1:$A$10";
		va.addListValidation(null, strFormula, strFormula, false, false);
		Name namedRange = wb.createName();
		namedRange.setNameName("myName");
		namedRange.setRefersToFormula(dataSheetName + "!$A$2:$A$7");
		strFormula = "myName";
		va.addListValidation(null, strFormula, strFormula, false, false);
		strFormula = "offset(myName, 2, 1, 4, 2)"; // Note about last param '2':
		// - Excel expects single row or single column when entered in UI, but process this OK otherwise
		va.addListValidation(null, strFormula, strFormula, false, false);

		// add list data on same sheet
		for (int i = 0; i < 10; i++) {
			Row currRow = fSheet.createRow(i + 29);
			setCellValue(currRow.createCell(0), cellStrValue);
		}
		// add list data on another sheet
		for (int i = 0; i < 10; i++) {
			Row currRow = dataSheet.createRow(i + 0);
			setCellValue(currRow.createCell(0), "Data a" + i);
			setCellValue(currRow.createCell(1), "Data b" + i);
			setCellValue(currRow.createCell(2), "Data c" + i);
		}
	}

	private static void addDateTimeValidations(WorkbookFormatter wf, Workbook wb) {
		wf.createSheet("Dates and Times");

		DataFormat dataFormat = wb.createDataFormat();
		short fmtDate = dataFormat.getFormat("m/d/yyyy");
		short fmtTime = dataFormat.getFormat("h:mm");
		CellStyle cellStyle_date = wb.createCellStyle();
		cellStyle_date.setDataFormat(fmtDate);
		CellStyle cellStyle_time = wb.createCellStyle();
		cellStyle_time.setDataFormat(fmtTime);

		wf.createDVTypeRow("Date ( cells are already formated as date - m/d/yyyy)");
		wf.createHeaderRow();

		ValidationAdder va = wf.createValidationAdder(cellStyle_date, VT.DATE);
		va.addValidation(OP.BETWEEN,     "2004/01/02", "2004/01/06", ES.STOP, "Between 1/2/2004 and 1/6/2004 ", "Error box type = STOP", true, true, true);
		va.addValidation(OP.NOT_BETWEEN, "2004/01/01", "2004/01/06", ES.INFO, "Not between 1/2/2004 and 1/6/2004 ", "Error box type = INFO", false, true, true);
		va.addValidation(OP.EQUAL,       "2004/03/02", null,       ES.WARNING, "Equal to 3/2/2004", "Error box type = WARNING", false, false, true);
		va.addValidation(OP.NOT_EQUAL,   "2004/03/02", null,       ES.WARNING, "Not equal to 3/2/2004", "-", false, false, false);
		va.addValidation(OP.GREATER_THAN,"=DATEVALUE(\"4-Jul-2001\")", null,       ES.WARNING, "Greater than DATEVALUE('4-Jul-2001')", "-", true, false, false);
		va.addValidation(OP.LESS_THAN,   "2004/03/02", null,       ES.WARNING, "Less than 3/2/2004", "-", true, true, false);
		va.addValidation(OP.GREATER_OR_EQUAL, "2004/03/02", null,       ES.STOP, "Greater than or equal to 3/2/2004", "Error box type = STOP", true, false, true);
		va.addValidation(OP.LESS_OR_EQUAL, "2004/03/04", null,       ES.STOP, "Less than or equal to 3/4/2004", "-", false, true, false);

		// "Time" validation type
		wf.createDVTypeRow("Time ( cells are already formated as time - h:mm)");
		wf.createHeaderRow();

		va = wf.createValidationAdder(cellStyle_time, VT.TIME);
		va.addValidation(OP.BETWEEN,     "12:00", "16:00", ES.STOP, "Between 12:00 and 16:00 ", "Error box type = STOP", true, true, true);
		va.addValidation(OP.NOT_BETWEEN, "12:00", "16:00", ES.INFO, "Not between 12:00 and 16:00 ", "Error box type = INFO", false, true, true);
		va.addValidation(OP.EQUAL,       "13:35", null,    ES.WARNING, "Equal to 13:35", "Error box type = WARNING", false, false, true);
		va.addValidation(OP.NOT_EQUAL,   "13:35", null,    ES.WARNING, "Not equal to 13:35", "-", false, false, false);
		va.addValidation(OP.GREATER_THAN,"12:00", null,    ES.WARNING, "Greater than 12:00", "-", true, false, false);
		va.addValidation(OP.LESS_THAN,   "=1/2", null,    ES.WARNING, "Less than (1/2) -> 12:00", "-", true, true, false);
		va.addValidation(OP.GREATER_OR_EQUAL, "14:00", null,    ES.STOP, "Greater than or equal to 14:00", "Error box type = STOP", true, false, true);
		va.addValidation(OP.LESS_OR_EQUAL,"14:00", null,    ES.STOP, "Less than or equal to 14:00", "-", false, true, false);
	}

	private static void addTextLengthValidations(WorkbookFormatter wf) {
		wf.createSheet("Text lengths");
		wf.createHeaderRow();

		ValidationAdder va = wf.createValidationAdder(null, VT.TEXT_LENGTH);
		va.addValidation(OP.BETWEEN, "2", "6", ES.STOP, "Between 2 and 6 ", "Error box type = STOP", true, true, true);
		va.addValidation(OP.NOT_BETWEEN, "2", "6", ES.INFO, "Not between 2 and 6 ", "Error box type = INFO", false, true, true);
		va.addValidation(OP.EQUAL, "3", null, ES.WARNING, "Equal to 3", "Error box type = WARNING", false, false, true);
		va.addValidation(OP.NOT_EQUAL, "3", null, ES.WARNING, "Not equal to 3", "-", false, false, false);
		va.addValidation(OP.GREATER_THAN, "3", null, ES.WARNING, "Greater than 3", "-", true, false, false);
		va.addValidation(OP.LESS_THAN, "3", null, ES.WARNING, "Less than 3", "-", true, true, false);
		va.addValidation(OP.GREATER_OR_EQUAL, "4", null, ES.STOP, "Greater than or equal to 4", "Error box type = STOP", true, false, true);
		va.addValidation(OP.LESS_OR_EQUAL, "4", null, ES.STOP, "Less than or equal to 4", "-", false, true, false);
	}

	public void testDataValidation() {
		log("\nTest no. 2 - Test Excel's Data validation mechanism");
		Workbook wb = _testDataProvider.createWorkbook();
		WorkbookFormatter wf = new WorkbookFormatter(wb);

		log("    Create sheet for Data Validation's number types ... ");
		addSimpleNumericValidations(wf);
		log("done !");

		log("    Create sheet for 'List' Data Validation type ... ");
		addListValidations(wf, wb);
		log("done !");

		log("    Create sheet for 'Date' and 'Time' Data Validation types ... ");
		addDateTimeValidations(wf, wb);
		log("done !");

		log("    Create sheet for 'Text length' Data Validation type... ");
		addTextLengthValidations(wf);
		log("done !");

		// Custom Validation type
		log("    Create sheet for 'Custom' Data Validation type ... ");
		addCustomValidations(wf);
		log("done !");

        wb = _testDataProvider.writeOutAndReadBack(wb);
	}



  /* package */ static void setCellValue(Cell cell, String text) {
	  cell.setCellValue(text);

      }

}