moparisthebest/poi
1
0
Fork 0
Code Issues Pull Requests Releases 1 Wiki Activity

Support 1904 date windowing, in addition to 1900 date windowing (patch from bug #43551)

Browse Source 
git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@601004 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Nick Burch 2007-12-04 17:06:57 +00:00
parent 9c421d2930
commit a14b55b6a8
12 changed files with 221 additions and 110 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
src/documentation/content/xdocs/changes.xml
View File

@ -36,6 +36,7 @@
<!-- Don't forget to update status.xml too! -->
<release version="3.0.2-FINAL" date="2007-??-??">
<action dev="POI-DEVELOPERS" type="add">43551 - [PATCH] Support for 1904 date windowing in HSSF (previously only supported 1900 date windowing)</action>
<action dev="POI-DEVELOPERS" type="add">41064 - [PATCH] Support for String continue records</action>
<action dev="POI-DEVELOPERS" type="add">27511 - [PATCH] Support for data validation, via DVRecord and DVALRecord</action>
<action dev="POI-DEVELOPERS" type="fix">43877 and 39512 - Fix for handling mixed OBJ and CONTINUE records.</action>

1
src/documentation/content/xdocs/status.xml
View File

@ -33,6 +33,7 @@
<!-- Don't forget to update changes.xml too! -->
<changes>
<release version="3.0.2-FINAL" date="2007-??-??">
<action dev="POI-DEVELOPERS" type="add">43551 - [PATCH] Support for 1904 date windowing in HSSF (previously only supported 1900 date windowing)</action>
<action dev="POI-DEVELOPERS" type="add">41064 - [PATCH] Support for String continue records</action>
<action dev="POI-DEVELOPERS" type="add">27511 - [PATCH] Support for data validation, via DVRecord and DVALRecord</action>
<action dev="POI-DEVELOPERS" type="fix">43877 - Fix for handling mixed OBJ and CONTINUE records</action>

2
src/java/org/apache/poi/hssf/usermodel/HSSFCell.java
View File

@ -521,7 +521,7 @@ public class HSSFCell
*/
public void setCellValue(Date value)
{
setCellValue(HSSFDateUtil.getExcelDate(value));
setCellValue(HSSFDateUtil.getExcelDate(value, this.book.isUsing1904DateWindowing()));
}
/**

80
src/java/org/apache/poi/hssf/usermodel/HSSFDateUtil.java
View File

@ -35,6 +35,8 @@ import java.util.GregorianCalendar;
* @author Glen Stampoultzis (glens at apache.org)
* @author Dan Sherman (dsherman at isisph.com)
* @author Hack Kampbjorn (hak at 2mba.dk)
* @author Alex Jacoby (ajacoby at gmail.com)
* @author Pavel Krupets (pkrupets at palmtreebusiness dot com)
*/
public class HSSFDateUtil
@ -54,19 +56,26 @@ public class HSSFDateUtil
* @return Excel representation of Date (-1 if error - test for error by checking for less than 0.1)
* @param date the Date
*/
public static double getExcelDate(Date date)
{
public static double getExcelDate(Date date) {
return getExcelDate(date, false);
}
/**
* Given a Date, converts it into a double representing its internal Excel representation,
* which is the number of days since 1/1/1900. Fractional days represent hours, minutes, and seconds.
*
* @return Excel representation of Date (-1 if error - test for error by checking for less than 0.1)
* @param date the Date
* @param use1904windowing Should 1900 or 1904 date windowing be used?
*/
public static double getExcelDate(Date date, boolean use1904windowing) {
Calendar calStart = new GregorianCalendar();
calStart.setTime(date); // If date includes hours, minutes, and seconds, set them to 0
calStart.setTime(
date); // If date includes hours, minutes, and seconds, set them to 0
if (calStart.get(Calendar.YEAR) < 1900)
if ((!use1904windowing && calStart.get(Calendar.YEAR) < 1900) ||
(use1904windowing && calStart.get(Calendar.YEAR) < 1904))
{
return BAD_DATE;
}
else
{
} else {
// Because of daylight time saving we cannot use
// date.getTime() - calStart.getTimeInMillis()
// as the difference in milliseconds between 00:00 and 04:00
@ -81,10 +90,12 @@ public class HSSFDateUtil
) / ( double ) DAY_MILLISECONDS;
calStart = dayStart(calStart);
double value = fraction + absoluteDay(calStart);
double value = fraction + absoluteDay(calStart, use1904windowing);
if (value >= 60) {
value += 1;
if (!use1904windowing && value >= 60) {
value++;
} else if (use1904windowing) {
value--;
}
return value;
@ -92,20 +103,25 @@ public class HSSFDateUtil
}
/**
* Given a excel date, converts it into a Date.
* Assumes 1900 date windowing.
* Given an Excel date with using 1900 date windowing, and
* converts it to a java.util.Date.
*
* @param date the Excel Date
* NOTE: If the default <code>TimeZone</code> in Java uses Daylight
* Saving Time then the conversion back to an Excel date may not give
* the same value, that is the comparison
* <CODE>excelDate == getExcelDate(getJavaDate(excelDate,false))</CODE>
* is not always true. For example if default timezone is
* <code>Europe/Copenhagen</code>, on 2004-03-28 the minute after
* 01:59 CET is 03:00 CEST, if the excel date represents a time between
* 02:00 and 03:00 then it is converted to past 03:00 summer time
*
* @return Java representation of a date (null if error)
* @see #getJavaDate(double,boolean)
* @param date The Excel date.
* @return Java representation of the date, or null if date is not a valid Excel date
* @see java.util.TimeZone
*/
public static Date getJavaDate(double date)
{
return getJavaDate(date,false);
public static Date getJavaDate(double date) {
return getJavaDate(date, false);
}
/**
* Given an Excel date with either 1900 or 1904 date windowing,
* converts it to a java.util.Date.
@ -142,7 +158,7 @@ public class HSSFDateUtil
GregorianCalendar calendar = new GregorianCalendar(startYear,0,
wholeDays + dayAdjust);
int millisecondsInDay = (int)((date - Math.floor(date)) *
(double) DAY_MILLISECONDS + 0.5);
DAY_MILLISECONDS + 0.5);
calendar.set(GregorianCalendar.MILLISECOND, millisecondsInDay);
return calendar.getTime();
}
@ -238,7 +254,7 @@ public class HSSFDateUtil
* Check if a cell contains a date
* Since dates are stored internally in Excel as double values
* we infer it is a date if it is formatted as such.
* @see #isADateFormat(int,string)
* @see #isADateFormat(int, String)
* @see #isInternalDateFormat(int)
*/
public static boolean isCellDateFormatted(HSSFCell cell) {
@ -259,7 +275,7 @@ public class HSSFDateUtil
* excel date formats.
* As Excel stores a great many of its dates in "non-internal"
* date formats, you will not normally want to use this method.
* @see #isADateFormat(int,string)
* @see #isADateFormat(int,String)
* @see #isInternalDateFormat(int)
*/
public static boolean isCellInternalDateFormatted(HSSFCell cell) {
@ -296,10 +312,10 @@ public class HSSFDateUtil
* @exception IllegalArgumentException if date is invalid
*/
private static int absoluteDay(Calendar cal)
static int absoluteDay(Calendar cal, boolean use1904windowing)
{
return cal.get(Calendar.DAY_OF_YEAR)
+ daysInPriorYears(cal.get(Calendar.YEAR));
+ daysInPriorYears(cal.get(Calendar.YEAR), use1904windowing);
}
/**
@ -307,14 +323,14 @@ public class HSSFDateUtil
*
* @return days number of days in years prior to yr.
* @param yr a year (1900 < yr < 4000)
* @param use1904windowing
* @exception IllegalArgumentException if year is outside of range.
*/
private static int daysInPriorYears(int yr)
private static int daysInPriorYears(int yr, boolean use1904windowing)
{
if (yr < 1900) {
throw new IllegalArgumentException(
"'year' must be 1900 or greater");
if ((!use1904windowing && yr < 1900) || (use1904windowing && yr < 1900)) {
throw new IllegalArgumentException("'year' must be 1900 or greater");
}
int yr1 = yr - 1;
@ -323,7 +339,7 @@ public class HSSFDateUtil
+ yr1 / 400 // plus years divisible by 400
- 460; // leap days in previous 1900 years
return 365 * (yr - 1900) + leapDays;
return 365 * (yr - (use1904windowing ? 1904 : 1900)) + leapDays;
}
// set HH:MM:SS fields of cal to 00:00:00:000

2
src/scratchpad/examples/src/org/apache/poi/hssf/eventusermodel/examples/XLS2CSVmra.java
View File

@ -283,7 +283,7 @@ public class XLS2CSVmra implements HSSFListener {
format = format.replaceAll("\\\\-","-");
// Format as a date
Date d = HSSFDateUtil.getJavaDate(value);
Date d = HSSFDateUtil.getJavaDate(value, false);
DateFormat df = new SimpleDateFormat(format);
return df.format(d);
} else {

2
src/scratchpad/src/org/apache/poi/hssf/record/formula/functions/Date.java
View File

@ -70,7 +70,7 @@ public class Date extends NumericFunction {
c.set(year, month, day, 0, 0, 0);
c.set(Calendar.MILLISECOND, 0);
return new NumberEval(HSSFDateUtil.getExcelDate(c.getTime()));
return new NumberEval(HSSFDateUtil.getExcelDate(c.getTime(), false)); // XXX fix 1900/1904 problem
}
}

2
src/scratchpad/src/org/apache/poi/hssf/record/formula/functions/Day.java
View File

@ -46,7 +46,7 @@ srcCellRow, srcCellCol);
if (ve instanceof NumericValueEval) {
NumericValueEval ne = (NumericValueEval) ve;
if (HSSFDateUtil.isValidExcelDate(ne.getNumberValue())) {
java.util.Date d = HSSFDateUtil.getJavaDate(ne.getNumberValue());
java.util.Date d = HSSFDateUtil.getJavaDate(ne.getNumberValue(), false); // XXX fix 1900/1904 problem
java.util.Calendar c = java.util.Calendar.getInstance();
c.setTime(d);
retval = new NumberEval(c.get(java.util.Calendar.DAY_OF_MONTH));

2
src/scratchpad/src/org/apache/poi/hssf/record/formula/functions/Month.java
View File

@ -50,7 +50,7 @@ public class Month extends NumericFunction {
if (ve instanceof NumericValueEval) {
NumericValueEval ne = (NumericValueEval) ve;
if (HSSFDateUtil.isValidExcelDate(ne.getNumberValue())) {
java.util.Date d = HSSFDateUtil.getJavaDate(ne.getNumberValue());
java.util.Date d = HSSFDateUtil.getJavaDate(ne.getNumberValue(), false); // XXX fix 1900/1904 problem
retval = new NumberEval(d.getMonth()+1);
} else {
retval = ErrorEval.NUM_ERROR;

2
src/scratchpad/src/org/apache/poi/hssf/record/formula/functions/Year.java
View File

@ -51,7 +51,7 @@ public class Year extends NumericFunction {
if (ve instanceof NumericValueEval) {
NumericValueEval ne = (NumericValueEval) ve;
if (HSSFDateUtil.isValidExcelDate(ne.getNumberValue())) {
java.util.Date d = HSSFDateUtil.getJavaDate(ne.getNumberValue());
java.util.Date d = HSSFDateUtil.getJavaDate(ne.getNumberValue(), false); // XXX fix 1900/1904 problem
retval = new NumberEval(d.getYear()+1900);
} else {
retval = ErrorEval.NUM_ERROR;

67
src/testcases/org/apache/poi/hssf/usermodel/TestHSSFCell.java
View File

@ -44,6 +44,7 @@ import java.util.GregorianCalendar;
* paticular datatypes, etc.
* @author Andrew C. Oliver (andy at superlinksoftware dot com)
* @author Dan Sherman (dsherman at isisph.com)
* @author Alex Jacoby (ajacoby at gmail.com)
*/
public class TestHSSFCell
@ -111,7 +112,7 @@ extends TestCase {
* is working properly. Conversion of the date is also an issue,
* but there's a separate unit test for that.
*/
public void testDateWindowing() throws Exception {
public void testDateWindowingRead() throws Exception {
GregorianCalendar cal = new GregorianCalendar(2000,0,1); // Jan. 1, 2000
Date date = cal.getTime();
String path = System.getProperty("HSSF.testdata.path");
@ -143,6 +144,70 @@ extends TestCase {
stream.close();
}
/**
* Checks that dates are properly written to both types of files:
* those with 1900 and 1904 date windowing. Note that if the
* previous test ({@link #testDateWindowingRead}) fails, the
* results of this test are meaningless.
*/
public void testDateWindowingWrite() throws Exception {
GregorianCalendar cal = new GregorianCalendar(2000,0,1); // Jan. 1, 2000
Date date = cal.getTime();
String path = System.getProperty("HSSF.testdata.path");
// first check a file with 1900 Date Windowing
String filename = path + "/1900DateWindowing.xls";
writeCell(filename, 0, (short) 1, date);
assertEquals("Date from file using 1900 Date Windowing",
date.getTime(),
readCell(filename, 0, (short) 1).getTime());
// now check a file with 1904 Date Windowing
filename = path + "/1904DateWindowing.xls";
writeCell(filename, 0, (short) 1, date);
assertEquals("Date from file using 1900 Date Windowing",
date.getTime(),
readCell(filename, 0, (short) 1).getTime());
}
/**
* Sets cell value and writes file.
*/
private void writeCell(String filename,
int rowIdx, short colIdx, Date date) throws Exception {
FileInputStream stream = new FileInputStream(filename);
POIFSFileSystem fs = new POIFSFileSystem(stream);
HSSFWorkbook workbook = new HSSFWorkbook(fs);
HSSFSheet sheet = workbook.getSheetAt(0);
HSSFRow row = sheet.getRow(rowIdx);
HSSFCell cell = row.getCell(colIdx);
if (cell == null) {
cell = row.createCell(colIdx);
}
cell.setCellValue(date);
// Write the file
stream.close();
FileOutputStream oStream = new FileOutputStream(filename);
workbook.write(oStream);
oStream.close();
}
/**
* Reads cell value from file.
*/
private Date readCell(String filename,
int rowIdx, short colIdx) throws Exception {
FileInputStream stream = new FileInputStream(filename);
POIFSFileSystem fs = new POIFSFileSystem(stream);
HSSFWorkbook workbook = new HSSFWorkbook(fs);
HSSFSheet sheet = workbook.getSheetAt(0);
HSSFRow row = sheet.getRow(rowIdx);
HSSFCell cell = row.getCell(colIdx);
return cell.getDateCellValue();
}
/**
* Tests that the active cell can be correctly read and set
*/

86
src/testcases/org/apache/poi/hssf/usermodel/TestHSSFDateUtil.java
View File

@ -36,6 +36,8 @@ import org.apache.poi.poifs.filesystem.POIFSFileSystem;
*
* @author Dan Sherman (dsherman at isisph.com)
* @author Hack Kampbjorn (hak at 2mba.dk)
* @author Pavel Krupets (pkrupets at palmtreebusiness dot com)
* @author Alex Jacoby (ajacoby at gmail.com)
* @version %I%, %G%
*/
@ -47,6 +49,8 @@ public class TestHSSFDateUtil
public static final int CALENDAR_FEBRUARY = 1;
public static final int CALENDAR_MARCH = 2;
public static final int CALENDAR_APRIL = 3;
public static final int CALENDAR_JULY = 6;
public static final int CALENDAR_OCTOBER = 9;
public TestHSSFDateUtil(String s)
{
@ -67,10 +71,10 @@ public class TestHSSFDateUtil
GregorianCalendar date = new GregorianCalendar(2002, 0, 1,
hour, 1, 1);
double excelDate =
HSSFDateUtil.getExcelDate(date.getTime());
HSSFDateUtil.getExcelDate(date.getTime(), false);
assertEquals("Checking hour = " + hour, date.getTime().getTime(),
HSSFDateUtil.getJavaDate(excelDate).getTime());
HSSFDateUtil.getJavaDate(excelDate, false).getTime());
}
// check 1900 and 1904 date windowing conversions
@ -99,7 +103,7 @@ public class TestHSSFDateUtil
public void testExcelConversionOnDSTStart() {
TimeZone cet = TimeZone.getTimeZone("Europe/Copenhagen");
TimeZone.setDefault(cet);
Calendar cal = new GregorianCalendar(2004, Calendar.MARCH, 28);
Calendar cal = new GregorianCalendar(2004, CALENDAR_MARCH, 28);
for (int hour = 0; hour < 24; hour++) {
// Skip 02:00 CET as that is the Daylight change time
@ -110,7 +114,7 @@ public class TestHSSFDateUtil
cal.set(Calendar.HOUR_OF_DAY, hour);
Date javaDate = cal.getTime();
double excelDate = HSSFDateUtil.getExcelDate(javaDate);
double excelDate = HSSFDateUtil.getExcelDate(javaDate, false);
double difference = excelDate - Math.floor(excelDate);
int differenceInHours = (int) (difference * 24 * 60 + 0.5) / 60;
assertEquals("Checking " + hour + " hour on Daylight Saving Time start date",
@ -118,7 +122,7 @@ public class TestHSSFDateUtil
differenceInHours);
assertEquals("Checking " + hour + " hour on Daylight Saving Time start date",
javaDate.getTime(),
HSSFDateUtil.getJavaDate(excelDate).getTime());
HSSFDateUtil.getJavaDate(excelDate, false).getTime());
}
}
@ -129,8 +133,8 @@ public class TestHSSFDateUtil
public void testJavaConversionOnDSTStart() {
TimeZone cet = TimeZone.getTimeZone("Europe/Copenhagen");
TimeZone.setDefault(cet);
Calendar cal = new GregorianCalendar(2004, Calendar.MARCH, 28);
double excelDate = HSSFDateUtil.getExcelDate(cal.getTime());
Calendar cal = new GregorianCalendar(2004, CALENDAR_MARCH, 28);
double excelDate = HSSFDateUtil.getExcelDate(cal.getTime(), false);
double oneHour = 1.0 / 24;
double oneMinute = oneHour / 60;
for (int hour = 0; hour < 24; hour++, excelDate += oneHour) {
@ -142,10 +146,10 @@ public class TestHSSFDateUtil
}
cal.set(Calendar.HOUR_OF_DAY, hour);
Date javaDate = HSSFDateUtil.getJavaDate(excelDate);
Date javaDate = HSSFDateUtil.getJavaDate(excelDate, false);
assertEquals("Checking " + hour + " hours on Daylight Saving Time start date",
excelDate,
HSSFDateUtil.getExcelDate(javaDate), oneMinute);
HSSFDateUtil.getExcelDate(javaDate, false), oneMinute);
}
}
@ -156,11 +160,11 @@ public class TestHSSFDateUtil
public void testExcelConversionOnDSTEnd() {
TimeZone cet = TimeZone.getTimeZone("Europe/Copenhagen");
TimeZone.setDefault(cet);
Calendar cal = new GregorianCalendar(2004, Calendar.OCTOBER, 31);
Calendar cal = new GregorianCalendar(2004, CALENDAR_OCTOBER, 31);
for (int hour = 0; hour < 24; hour++) {
cal.set(Calendar.HOUR_OF_DAY, hour);
Date javaDate = cal.getTime();
double excelDate = HSSFDateUtil.getExcelDate(javaDate);
double excelDate = HSSFDateUtil.getExcelDate(javaDate, false);
double difference = excelDate - Math.floor(excelDate);
int differenceInHours = (int) (difference * 24 * 60 + 0.5) / 60;
assertEquals("Checking " + hour + " hour on Daylight Saving Time end date",
@ -168,7 +172,7 @@ public class TestHSSFDateUtil
differenceInHours);
assertEquals("Checking " + hour + " hour on Daylight Saving Time start date",
javaDate.getTime(),
HSSFDateUtil.getJavaDate(excelDate).getTime());
HSSFDateUtil.getJavaDate(excelDate, false).getTime());
}
}
@ -179,16 +183,16 @@ public class TestHSSFDateUtil
public void testJavaConversionOnDSTEnd() {
TimeZone cet = TimeZone.getTimeZone("Europe/Copenhagen");
TimeZone.setDefault(cet);
Calendar cal = new GregorianCalendar(2004, Calendar.OCTOBER, 31);
double excelDate = HSSFDateUtil.getExcelDate(cal.getTime());
Calendar cal = new GregorianCalendar(2004, CALENDAR_OCTOBER, 31);
double excelDate = HSSFDateUtil.getExcelDate(cal.getTime(), false);
double oneHour = 1.0 / 24;
double oneMinute = oneHour / 60;
for (int hour = 0; hour < 24; hour++, excelDate += oneHour) {
cal.set(Calendar.HOUR_OF_DAY, hour);
Date javaDate = HSSFDateUtil.getJavaDate(excelDate);
Date javaDate = HSSFDateUtil.getJavaDate(excelDate, false);
assertEquals("Checking " + hour + " hours on Daylight Saving Time start date",
excelDate,
HSSFDateUtil.getExcelDate(javaDate), oneMinute);
HSSFDateUtil.getExcelDate(javaDate, false), oneMinute);
}
}
@ -315,23 +319,36 @@ public class TestHSSFDateUtil
}
public void testDateBug_2Excel() {
assertEquals(59.0, HSSFDateUtil.getExcelDate(createDate(1900, CALENDAR_FEBRUARY, 28)), 0.00001);
assertEquals(61.0, HSSFDateUtil.getExcelDate(createDate(1900, CALENDAR_MARCH, 1)), 0.00001);
assertEquals(59.0, HSSFDateUtil.getExcelDate(createDate(1900, CALENDAR_FEBRUARY, 28), false), 0.00001);
assertEquals(61.0, HSSFDateUtil.getExcelDate(createDate(1900, CALENDAR_MARCH, 1), false), 0.00001);
assertEquals(37315.00, HSSFDateUtil.getExcelDate(createDate(2002, CALENDAR_FEBRUARY, 28)), 0.00001);
assertEquals(37316.00, HSSFDateUtil.getExcelDate(createDate(2002, CALENDAR_MARCH, 1)), 0.00001);
assertEquals(37257.00, HSSFDateUtil.getExcelDate(createDate(2002, CALENDAR_JANUARY, 1)), 0.00001);
assertEquals(38074.00, HSSFDateUtil.getExcelDate(createDate(2004, CALENDAR_MARCH, 28)), 0.00001);
assertEquals(37315.00, HSSFDateUtil.getExcelDate(createDate(2002, CALENDAR_FEBRUARY, 28), false), 0.00001);
assertEquals(37316.00, HSSFDateUtil.getExcelDate(createDate(2002, CALENDAR_MARCH, 1), false), 0.00001);
assertEquals(37257.00, HSSFDateUtil.getExcelDate(createDate(2002, CALENDAR_JANUARY, 1), false), 0.00001);
assertEquals(38074.00, HSSFDateUtil.getExcelDate(createDate(2004, CALENDAR_MARCH, 28), false), 0.00001);
}
public void testDateBug_2Java() {
assertEquals(createDate(1900, Calendar.FEBRUARY, 28), HSSFDateUtil.getJavaDate(59.0));
assertEquals(createDate(1900, Calendar.MARCH, 1), HSSFDateUtil.getJavaDate(61.0));
assertEquals(createDate(1900, CALENDAR_FEBRUARY, 28), HSSFDateUtil.getJavaDate(59.0, false));
assertEquals(createDate(1900, CALENDAR_MARCH, 1), HSSFDateUtil.getJavaDate(61.0, false));
assertEquals(createDate(2002, Calendar.FEBRUARY, 28), HSSFDateUtil.getJavaDate(37315.00));
assertEquals(createDate(2002, Calendar.MARCH, 1), HSSFDateUtil.getJavaDate(37316.00));
assertEquals(createDate(2002, Calendar.JANUARY, 1), HSSFDateUtil.getJavaDate(37257.00));
assertEquals(createDate(2004, Calendar.MARCH, 28), HSSFDateUtil.getJavaDate(38074.00));
assertEquals(createDate(2002, CALENDAR_FEBRUARY, 28), HSSFDateUtil.getJavaDate(37315.00, false));
assertEquals(createDate(2002, CALENDAR_MARCH, 1), HSSFDateUtil.getJavaDate(37316.00, false));
assertEquals(createDate(2002, CALENDAR_JANUARY, 1), HSSFDateUtil.getJavaDate(37257.00, false));
assertEquals(createDate(2004, CALENDAR_MARCH, 28), HSSFDateUtil.getJavaDate(38074.00, false));
}
public void testDate1904() {
assertEquals(createDate(1904, CALENDAR_JANUARY, 2), HSSFDateUtil.getJavaDate(1.0, true));
assertEquals(createDate(1904, CALENDAR_JANUARY, 1), HSSFDateUtil.getJavaDate(0.0, true));
assertEquals(0.0, HSSFDateUtil.getExcelDate(createDate(1904, CALENDAR_JANUARY, 1), true), 0.00001);
assertEquals(1.0, HSSFDateUtil.getExcelDate(createDate(1904, CALENDAR_JANUARY, 2), true), 0.00001);
assertEquals(createDate(1998, CALENDAR_JULY, 5), HSSFDateUtil.getJavaDate(35981, false));
assertEquals(createDate(1998, CALENDAR_JULY, 5), HSSFDateUtil.getJavaDate(34519, true));
assertEquals(35981.0, HSSFDateUtil.getExcelDate(createDate(1998, CALENDAR_JULY, 5), false), 0.00001);
assertEquals(34519.0, HSSFDateUtil.getExcelDate(createDate(1998, CALENDAR_JULY, 5), true), 0.00001);
}
private Date createDate(int year, int month, int day) {
@ -341,10 +358,21 @@ public class TestHSSFDateUtil
return c.getTime();
}
/**
* Check if HSSFDateUtil.getAbsoluteDay works as advertised.
*/
public void testAbsoluteDay() {
// 1 Jan 1900 is 1 day after 31 Dec 1899
GregorianCalendar calendar = new GregorianCalendar(1900, 0, 1);
assertEquals("Checking absolute day (1 Jan 1900)", 1, HSSFDateUtil.absoluteDay(calendar, false));
// 1 Jan 1901 is 366 days after 31 Dec 1899
calendar = new GregorianCalendar(1901, 0, 1);
assertEquals("Checking absolute day (1 Jan 1901)", 366, HSSFDateUtil.absoluteDay(calendar, false));
}
public static void main(String [] args) {
System.out
.println("Testing org.apache.poi.hssf.usermodel.TestHSSFDateUtil");
junit.textui.TestRunner.run(TestHSSFDateUtil.class);
}
}

2
src/testcases/org/apache/poi/hssf/usermodel/TestReadWriteChart.java
View File

@ -63,7 +63,7 @@ public class TestReadWriteChart
//System.out.println("first assertion for date");
assertEquals(new GregorianCalendar(2000, 0, 1, 10, 51, 2).getTime(),
HSSFDateUtil
.getJavaDate(firstCell.getNumericCellValue()));
.getJavaDate(firstCell.getNumericCellValue(), false));
HSSFRow row = sheet.createRow(( short ) 15);
HSSFCell cell = row.createCell(( short ) 1);