public virtual DateTimeCollection GetInstancesBetween(DateTime startDate, DateTime endDate)
{
var r = new Recurrence
{
StartDateTime = StartDate,
Frequency = Frequency,
CanOccurOnHoliday = CanOccurOnHolidays
};
if (!RepeatsIndefinitely)
{
if (RecurUntil == null)
{
throw new ArgumentNullException();
}
r.RecurUntil = (DateTime)RecurUntil;
}
if (IsOnWeekdays)
{
r.RecurEveryWeekday();
}
else
{
r.Interval = Interval;
}
return(r.InstancesBetween(startDate, endDate));
}
static void Main(string[] args)
{
DateTime testDate, nextDate;
HashSet <DateTime> holidayDates;
DateTimeCollection recurDates;
int yearFrom, yearTo, idx;
if (args.Length != 2)
{
Console.WriteLine("Using current year +/- 4 years for testing\r\n");
yearFrom = DateTime.Today.Year - 4;
yearTo = yearFrom + 8;
}
else
{
try
{
yearFrom = Convert.ToInt32(args[0]);
yearTo = Convert.ToInt32(args[1]);
if (yearFrom < 1)
{
yearFrom = 1;
}
if (yearFrom > 9999)
{
yearFrom = 9999;
}
if (yearTo < 1)
{
yearTo = 1;
}
if (yearTo > 9999)
{
yearTo = 9999;
}
if (yearFrom > yearTo)
{
idx = yearFrom;
yearFrom = yearTo;
yearTo = idx;
}
}
catch
{
Console.WriteLine("Invalid year specified on command line");
return;
}
}
// Test DateUtils.CalculateOccurrenceDate
Console.WriteLine("Fourth weekday in January 2018: {0:d}",
DateUtils.CalculateOccurrenceDate(2018, 1, DayOccurrence.Fourth, DaysOfWeek.Weekdays, 0));
Console.WriteLine("Fourth weekday in January 2018 + 2: {0:d}",
DateUtils.CalculateOccurrenceDate(2018, 1, DayOccurrence.Fourth, DaysOfWeek.Weekdays, 2));
Console.WriteLine("Last weekend day in January 2018: {0:d}",
DateUtils.CalculateOccurrenceDate(2018, 1, DayOccurrence.Last, DaysOfWeek.Weekends, 0));
Console.WriteLine("Last weekend day in January 2018 + 2: {0:d}",
DateUtils.CalculateOccurrenceDate(2018, 1, DayOccurrence.Last, DaysOfWeek.Weekends, 2));
// Pause to review output
Console.WriteLine("Press ENTER to continue");
Console.ReadLine();
// Test DateUtils.DateFromWeek(), DateUtils.WeeksInYear(), and DateUtils.WeekFromDate()
DateTime weekFrom, weekTo;
int year;
Console.WriteLine("Week start = Monday");
DayOfWeek dow = DayOfWeek.Monday;
for (year = yearFrom; year <= yearTo; year++)
{
for (idx = 1; idx < 54; idx++)
{
if (idx != 53 || DateUtils.WeeksInYear(year, dow) == 53)
{
weekFrom = DateUtils.DateFromWeek(year, idx, dow, 0);
weekTo = DateUtils.DateFromWeek(year, idx, dow, 6);
Console.WriteLine("{0} Week {1}: {2:d} - {3:d} {4}", year, idx, weekFrom, weekTo,
DateUtils.WeekFromDate(weekFrom.AddDays(3), dow));
}
}
// Pause to review output
Console.WriteLine("Press ENTER to continue");
Console.ReadLine();
}
// Test DateUtils.EasterSunday()
Console.WriteLine("Easter - Gregorian");
for (idx = yearFrom; idx <= yearTo; idx += 3)
{
testDate = DateUtils.EasterSunday(idx, EasterMethod.Gregorian);
Console.Write("{0} {1}/{2:00} ", idx, testDate.Month, testDate.Day);
testDate = DateUtils.EasterSunday(idx + 1, EasterMethod.Gregorian);
Console.Write("{0} {1}/{2:00} ", idx + 1, testDate.Month, testDate.Day);
testDate = DateUtils.EasterSunday(idx + 2, EasterMethod.Gregorian);
Console.WriteLine("{0} {1}/{2:00}", idx + 2, testDate.Month, testDate.Day);
}
Console.WriteLine("\nEaster - Julian");
for (idx = yearFrom; idx <= yearTo; idx += 3)
{
testDate = DateUtils.EasterSunday(idx, EasterMethod.Julian);
Console.Write("{0} {1}/{2:00} ", idx, testDate.Month, testDate.Day);
testDate = DateUtils.EasterSunday(idx + 1, EasterMethod.Julian);
Console.Write("{0} {1}/{2:00} ", idx + 1, testDate.Month, testDate.Day);
testDate = DateUtils.EasterSunday(idx + 2, EasterMethod.Julian);
Console.WriteLine("{0} {1}/{2:00}", idx + 2, testDate.Month, testDate.Day);
}
Console.WriteLine("\nEaster - Orthodox");
for (idx = yearFrom; idx <= yearTo; idx += 3)
{
testDate = DateUtils.EasterSunday(idx, EasterMethod.Orthodox);
Console.Write("{0} {1}/{2:00} ", idx, testDate.Month, testDate.Day);
testDate = DateUtils.EasterSunday(idx + 1, EasterMethod.Orthodox);
Console.Write("{0} {1}/{2:00} ", idx + 1, testDate.Month, testDate.Day);
testDate = DateUtils.EasterSunday(idx + 2, EasterMethod.Orthodox);
Console.WriteLine("{0} {1}/{2:00}", idx + 2, testDate.Month, testDate.Day);
}
// Pause to review output
Console.WriteLine("Press ENTER to continue");
Console.ReadLine();
// Test DateUtils.FromISO8601String and DateUtils.FromISO8601TimeZone
Console.WriteLine("Expressed in Universal Time");
Console.WriteLine("20180314 = {0}", DateUtils.FromISO8601String("20180314", false));
Console.WriteLine("20180314T10 = {0}", DateUtils.FromISO8601String("20180314T10", false));
Console.WriteLine("20180314T1025 = {0}", DateUtils.FromISO8601String("20180314T1025", false));
Console.WriteLine("20180314T102531 = {0}", DateUtils.FromISO8601String("20180314T102531", false));
Console.WriteLine("20180314T102531.123 = {0:d} {0:HH:mm:ss.fff}",
DateUtils.FromISO8601String("20180314T102531.123", false));
Console.WriteLine("20180314T102531.98Z = {0:d} {0:HH:mm:ss.fff}",
DateUtils.FromISO8601String("20180314T102531.98Z", false));
Console.WriteLine("20180314T102531-04 = {0}", DateUtils.FromISO8601String("20180314T102531-04", false));
Console.WriteLine("20180314T102531.123+0830 = {0}",
DateUtils.FromISO8601String("20180314T102531.123+0830", false));
Console.WriteLine("\n2018-03-14 = {0}", DateUtils.FromISO8601String("2018-03-14", false));
Console.WriteLine("2018-03-14T10 = {0}", DateUtils.FromISO8601String("2018-03-14T10", false));
Console.WriteLine("2018-03-14T10:25 = {0}", DateUtils.FromISO8601String("2018-03-14T10:25", false));
Console.WriteLine("2018-03-14T10:25:31 = {0}", DateUtils.FromISO8601String("2018-03-14T10:25:31", false));
Console.WriteLine("2018-03-14T10:25:31.123 = {0:d} {0:HH:mm:ss.fff}",
DateUtils.FromISO8601String("2018-03-14T10:25:31.123", false));
Console.WriteLine("2018-03-14T10:25:31.98Z = {0:d} {0:HH:mm:ss.fff}",
DateUtils.FromISO8601String("2018-03-14T10:25:31.98Z", false));
Console.WriteLine("2018-03-14T10:25:31-04 = {0}",
DateUtils.FromISO8601String("2018-03-14T10:25:31-04", false));
Console.WriteLine("2018-03-14T10:25:31+08:30 = {0}",
DateUtils.FromISO8601String("2018-03-14T10:25:31+08:30", false));
// Test DateUtils.FromISO8601String and DateUtils.FromISO8601TimeZone
Console.WriteLine("\nExpressed in Local Time");
Console.WriteLine("20180314 = {0}", DateUtils.FromISO8601String("20180314", true));
Console.WriteLine("20180314T10 = {0}", DateUtils.FromISO8601String("20180314T10", true));
Console.WriteLine("20180314T1025 = {0}", DateUtils.FromISO8601String("20180314T1025", true));
Console.WriteLine("20180314T102531 = {0}", DateUtils.FromISO8601String("20180314T102531", true));
Console.WriteLine("20180314T102531.123 = {0:d} {0:HH:mm:ss.fff}",
DateUtils.FromISO8601String("20180314T102531.123", true));
Console.WriteLine("20180314T102531.98Z = {0:d} {0:HH:mm:ss.fff}",
DateUtils.FromISO8601String("20180314T102531.98Z", true));
Console.WriteLine("20180314T102531-04 = {0}", DateUtils.FromISO8601String("20180314T102531-04", true));
Console.WriteLine("20180314T102531.123+0830 = {0}",
DateUtils.FromISO8601String("20180314T102531.123+0830", true));
Console.WriteLine("\n2018-03-14 = {0}", DateUtils.FromISO8601String("2018-03-14", true));
Console.WriteLine("2018-03-14T10 = {0}", DateUtils.FromISO8601String("2018-03-14T10", true));
Console.WriteLine("2018-03-14T10:25 = {0}", DateUtils.FromISO8601String("2018-03-14T10:25", true));
Console.WriteLine("2018-03-14T10:25:31 = {0}", DateUtils.FromISO8601String("2018-03-14T10:25:31", true));
Console.WriteLine("2018-03-14T10:25:31.123 = {0:d} {0:HH:mm:ss.fff}",
DateUtils.FromISO8601String("2018-03-14T10:25:31.123", true));
Console.WriteLine("2018-03-14T10:25:31.98Z = {0:d} {0:HH:mm:ss.fff}",
DateUtils.FromISO8601String("2018-03-14T10:25:31.98Z", true));
Console.WriteLine("2018-03-14T10:25:31-04 = {0}",
DateUtils.FromISO8601String("2018-03-14T10:25:31-04", true));
Console.WriteLine("2018-03-14T10:25:31+08:30 = {0}",
DateUtils.FromISO8601String("2018-03-14T10:25:31+08:30", true));
TimeSpan ts = DateUtils.FromISO8601TimeZone("+08");
Console.WriteLine("\n+08 = {0} hours {1} minutes", ts.Hours, ts.Minutes);
ts = DateUtils.FromISO8601TimeZone("-08");
Console.WriteLine("-08 = {0} hours {1} minutes", ts.Hours, ts.Minutes);
ts = DateUtils.FromISO8601TimeZone("-0830");
Console.WriteLine("-0830 = {0} hours {1} minutes", ts.Hours, ts.Minutes);
ts = DateUtils.FromISO8601TimeZone("+08:30");
Console.WriteLine("+08:30 = {0} hours {1} minutes", ts.Hours, ts.Minutes);
// Restrict bad date part values to their minimum/maximum
Console.WriteLine("\nBad date values test");
Console.WriteLine("0000-01-01T10:25:00 = {0}",
DateUtils.FromISO8601String("0000-01-01T10:25:00", true));
Console.WriteLine("0000-00-01T10:25:00 = {0}",
DateUtils.FromISO8601String("0000-00-01T10:25:00", true));
Console.WriteLine("0000-13-01T10:25:00 = {0}",
DateUtils.FromISO8601String("0000-13-01T10:25:00", true));
Console.WriteLine("0000-00-00T10:25:00 = {0}",
DateUtils.FromISO8601String("0000-00-00T10:25:00", true));
Console.WriteLine("0000-00-32T10:25:00 = {0}",
DateUtils.FromISO8601String("0000-00-32T10:25:00", true));
// Pause to review output
Console.WriteLine("Press ENTER to continue");
Console.ReadLine();
// Test the Duration class
Console.WriteLine("Assumptions: 1 year = {0} days, 1 month = {1} days\n", Duration.DaysInOneYear,
Duration.DaysInOneMonth);
Duration d = new Duration("P1Y2M3W4DT5H6M7S");
Console.WriteLine("P1Y2M3W4DT5H6M7S = {0}", d.ToString());
Console.WriteLine("P1Y2M3W4DT5H6M7S = {0} (max units = months)", d.ToString(Duration.MaxUnit.Months));
d = new Duration("P10Y11MT16M12S");
Console.WriteLine("P10Y11MT16M12S = {0}", d.ToString());
d = new Duration("P5M2DT16M");
Console.WriteLine("P5M2DT16M = {0}", d.ToString());
d = new Duration("P7W");
Console.WriteLine("P7W = {0}", d.ToString());
Console.WriteLine("P7W = {0} (max units = weeks)", d.ToString(Duration.MaxUnit.Weeks));
Console.WriteLine("P7W = {0} (max units = days)", d.ToString(Duration.MaxUnit.Days));
d = new Duration("P7W2D");
Console.WriteLine("P7W2D = {0}", d.ToString());
Console.WriteLine("P7W2D = {0} (max units = weeks)", d.ToString(Duration.MaxUnit.Weeks));
Console.WriteLine("P7W2D = {0} (max units = days)", d.ToString(Duration.MaxUnit.Days));
d = new Duration("P5DT2S");
Console.WriteLine("P5DT2S = {0}", d.ToString());
d = new Duration("PT24H");
Console.WriteLine("PT24H = {0}", d.ToString());
Console.WriteLine("PT24H = {0} (max units = hours)", d.ToString(Duration.MaxUnit.Hours));
Console.WriteLine("PT24H = {0} (max units = minutes)", d.ToString(Duration.MaxUnit.Minutes));
Console.WriteLine("PT24H = {0} (max units = seconds)", d.ToString(Duration.MaxUnit.Seconds));
d = new Duration("PT24H3M2S");
Console.WriteLine("PT24H3M2S = {0}", d.ToString());
Console.WriteLine("PT24H3M2S = {0} (max units = hours)", d.ToString(Duration.MaxUnit.Hours));
Console.WriteLine("PT24H3M2S = {0} (max units = minutes)", d.ToString(Duration.MaxUnit.Minutes));
Console.WriteLine("PT24H3M2S = {0} (max units = seconds)", d.ToString(Duration.MaxUnit.Seconds));
d = new Duration("PT1H10M20S");
Console.WriteLine("PT1H10M20S = {0}", d.ToString());
d = new Duration("PT5M20S");
Console.WriteLine("PT5M20S = {0}", d.ToString());
d = new Duration("PT5S");
Console.WriteLine("PT5S = {0}", d.ToString());
d = new Duration("P0Y0M0W0DT0H0M0S");
Console.WriteLine("P0Y0M0W0DT0H0M0S = {0}", d.ToString());
// Pause to review output
Console.WriteLine("Press ENTER to continue");
Console.ReadLine();
d = new Duration("-P1Y2M3W4DT5H6M7S");
Console.WriteLine("\n-P1Y2M3W4DT5H6M7S = {0}", d.ToString());
Console.WriteLine("-P1Y2M3W4DT5H6M7S = {0} (max units = months)", d.ToString(Duration.MaxUnit.Months));
d = new Duration("-P10Y11MT16M12S");
Console.WriteLine("-P10Y11MT16M12S = {0}", d.ToString());
d = new Duration("-P5M2DT16M");
Console.WriteLine("-P5M2DT16M = {0}", d.ToString());
d = new Duration("-P7W");
Console.WriteLine("-P7W = {0}", d.ToString());
Console.WriteLine("-P7W = {0} (max units = weeks)", d.ToString(Duration.MaxUnit.Weeks));
Console.WriteLine("-P7W = {0} (max units = days)", d.ToString(Duration.MaxUnit.Days));
d = new Duration("-P7W2D");
Console.WriteLine("-P7W2D = {0}", d.ToString());
Console.WriteLine("-P7W2D = {0} (max units = weeks)", d.ToString(Duration.MaxUnit.Weeks));
Console.WriteLine("-P7W2D = {0} (max units = days)", d.ToString(Duration.MaxUnit.Days));
d = new Duration("-P5DT2S");
Console.WriteLine("-P5DT2S = {0}", d.ToString());
d = new Duration("-PT24H");
Console.WriteLine("-PT24H = {0}", d.ToString());
Console.WriteLine("-PT24H = {0} (max units = hours)", d.ToString(Duration.MaxUnit.Hours));
Console.WriteLine("-PT24H = {0} (max units = minutes)", d.ToString(Duration.MaxUnit.Minutes));
Console.WriteLine("-PT24H = {0} (max units = seconds)", d.ToString(Duration.MaxUnit.Seconds));
d = new Duration("-PT24H3M2S");
Console.WriteLine("-PT24H3M2S = {0}", d.ToString());
Console.WriteLine("-PT24H3M2S = {0} (max units = hours)", d.ToString(Duration.MaxUnit.Hours));
Console.WriteLine("-PT24H3M2S = {0} (max units = minutes)", d.ToString(Duration.MaxUnit.Minutes));
Console.WriteLine("-PT24H3M2S = {0} (max units = seconds)", d.ToString(Duration.MaxUnit.Seconds));
d = new Duration("-PT1H10M20S");
Console.WriteLine("-PT1H10M20S = {0}", d.ToString());
d = new Duration("-PT5M20S");
Console.WriteLine("-PT5M20S = {0}", d.ToString());
d = new Duration("-PT5S");
Console.WriteLine("-PT5S = {0}", d.ToString());
d = new Duration("-P0Y0M0W0DT0H0M0S");
Console.WriteLine("-P0Y0M0W0DT0H0M0S = {0}", d.ToString());
// Pause to review output
Console.WriteLine("Press ENTER to continue");
Console.ReadLine();
// Test the ToDescription() methods
d = new Duration("P1Y2M3W4DT5H6M7S");
Console.WriteLine("P1Y2M3W4DT5H6M7S = {0}", d.ToDescription());
Console.WriteLine("P1Y2M3W4DT5H6M7S = {0} (max units = months)", d.ToDescription(Duration.MaxUnit.Months));
d = new Duration("P10Y11MT16M12S");
Console.WriteLine("P10Y11MT16M12S = {0}", d.ToDescription());
d = new Duration("P5M2DT16M");
Console.WriteLine("P5M2DT16M = {0}", d.ToDescription());
d = new Duration("P7W");
Console.WriteLine("P7W = {0}", d.ToDescription());
Console.WriteLine("P7W = {0} (max units = weeks)", d.ToDescription(Duration.MaxUnit.Weeks));
Console.WriteLine("P7W = {0} (max units = days)", d.ToDescription(Duration.MaxUnit.Days));
d = new Duration("P7W2D");
Console.WriteLine("P7W2D = {0}", d.ToDescription());
Console.WriteLine("P7W2D = {0} (max units = weeks)", d.ToDescription(Duration.MaxUnit.Weeks));
Console.WriteLine("P7W2D = {0} (max units = days)", d.ToDescription(Duration.MaxUnit.Days));
d = new Duration("P5DT2S");
Console.WriteLine("P5DT2S = {0}", d.ToDescription());
d = new Duration("PT24H");
Console.WriteLine("PT24H = {0}", d.ToDescription());
Console.WriteLine("PT24H = {0} (max units = hours)", d.ToDescription(Duration.MaxUnit.Hours));
Console.WriteLine("PT24H = {0} (max units = minutes)", d.ToDescription(Duration.MaxUnit.Minutes));
Console.WriteLine("PT24H = {0} (max units = seconds)", d.ToDescription(Duration.MaxUnit.Seconds));
d = new Duration("PT24H3M2S");
Console.WriteLine("PT24H3M2S = {0}", d.ToDescription());
Console.WriteLine("PT24H3M2S = {0} (max units = hours)", d.ToDescription(Duration.MaxUnit.Hours));
Console.WriteLine("PT24H3M2S = {0} (max units = minutes)", d.ToDescription(Duration.MaxUnit.Minutes));
Console.WriteLine("PT24H3M2S = {0} (max units = seconds)", d.ToDescription(Duration.MaxUnit.Seconds));
d = new Duration("PT1H10M20S");
Console.WriteLine("PT1H10M20S = {0}", d.ToDescription());
d = new Duration("PT5M20S");
Console.WriteLine("PT5M20S = {0}", d.ToDescription());
d = new Duration("PT5S");
Console.WriteLine("PT5S = {0}", d.ToDescription());
d = new Duration("P0Y0M0W0DT0H0M0S");
Console.WriteLine("P0Y0M0W0DT0H0M0S = {0}", d.ToDescription());
// Pause to review output
Console.WriteLine("Press ENTER to continue");
Console.ReadLine();
d = new Duration("-P1Y2M3W4DT5H6M7S");
Console.WriteLine("\n-P1Y2M3W4DT5H6M7S = {0}", d.ToDescription());
Console.WriteLine("-P1Y2M3W4DT5H6M7S = {0} (max units = months)", d.ToDescription(Duration.MaxUnit.Months));
d = new Duration("-P10Y11MT16M12S");
Console.WriteLine("-P10Y11MT16M12S = {0}", d.ToDescription());
d = new Duration("-P5M2DT16M");
Console.WriteLine("-P5M2DT16M = {0}", d.ToDescription());
d = new Duration("-P7W");
Console.WriteLine("-P7W = {0}", d.ToDescription());
Console.WriteLine("-P7W = {0} (max units = weeks)", d.ToDescription(Duration.MaxUnit.Weeks));
Console.WriteLine("-P7W = {0} (max units = days)", d.ToDescription(Duration.MaxUnit.Days));
d = new Duration("-P7W2D");
Console.WriteLine("-P7W2D = {0}", d.ToDescription());
Console.WriteLine("-P7W2D = {0} (max units = weeks)", d.ToDescription(Duration.MaxUnit.Weeks));
Console.WriteLine("-P7W2D = {0} (max units = days)", d.ToDescription(Duration.MaxUnit.Days));
d = new Duration("-P5DT2S");
Console.WriteLine("-P5DT2S = {0}", d.ToDescription());
d = new Duration("-PT24H");
Console.WriteLine("-PT24H = {0}", d.ToDescription());
Console.WriteLine("-PT24H = {0} (max units = hours)", d.ToDescription(Duration.MaxUnit.Hours));
Console.WriteLine("-PT24H = {0} (max units = minutes)", d.ToDescription(Duration.MaxUnit.Minutes));
Console.WriteLine("-PT24H = {0} (max units = seconds)", d.ToDescription(Duration.MaxUnit.Seconds));
d = new Duration("-PT24H3M2S");
Console.WriteLine("-PT24H3M2S = {0}", d.ToDescription());
Console.WriteLine("-PT24H3M2S = {0} (max units = hours)", d.ToDescription(Duration.MaxUnit.Hours));
Console.WriteLine("-PT24H3M2S = {0} (max units = minutes)", d.ToDescription(Duration.MaxUnit.Minutes));
Console.WriteLine("-PT24H3M2S = {0} (max units = seconds)", d.ToDescription(Duration.MaxUnit.Seconds));
d = new Duration("-PT1H10M20S");
Console.WriteLine("-PT1H10M20S = {0}", d.ToDescription());
d = new Duration("-PT5M20S");
Console.WriteLine("-PT5M20S = {0}", d.ToDescription());
d = new Duration("-PT5S");
Console.WriteLine("-PT5S = {0}", d.ToDescription());
d = new Duration("-P0Y0M0W0DT0H0M0S");
Console.WriteLine("-P0Y0M0W0DT0H0M0S = {0}", d.ToDescription());
// Pause to review output
Console.WriteLine("Press ENTER to continue");
Console.ReadLine();
// Create a set of fixed and floating holidays
HolidayCollection holidays = new HolidayCollection();
holidays.AddFixed(1, 1, true, "New Year's Day");
holidays.AddFloating(DayOccurrence.Third, DayOfWeek.Monday, 1, 0, "Martin Luther King Day");
holidays.AddFloating(DayOccurrence.Third, DayOfWeek.Monday, 2, 0, "President's Day");
holidays.AddFloating(DayOccurrence.Last, DayOfWeek.Monday, 5, 0, "Memorial Day");
holidays.AddFixed(7, 4, true, "Independence Day");
holidays.AddFloating(DayOccurrence.First, DayOfWeek.Monday, 9, 0, "Labor Day");
holidays.AddFixed(11, 11, true, "Veteran's Day");
holidays.AddFloating(DayOccurrence.Fourth, DayOfWeek.Thursday, 11, 0, "Thanksgiving Day");
holidays.AddFloating(DayOccurrence.Fourth, DayOfWeek.Thursday, 11, 1, "Day After Thanksgiving");
holidays.AddFixed(12, 25, true, "Christmas Day");
// Serialize the holidays to a file
try
{
// XML
using (var fs = new FileStream("Holidays.xml", FileMode.Create))
{
XmlSerializer xs = new XmlSerializer(typeof(HolidayCollection));
xs.Serialize(fs, holidays);
Console.WriteLine("Holidays saved to Holidays.xml");
}
#if NETFramework
// The SOAP formatter is only supported on the full .NET Framework
// SOAP
using (var fs = new FileStream("Holidays.soap", FileMode.Create))
{
var sf = new System.Runtime.Serialization.Formatters.Soap.SoapFormatter();
// SOAP doesn't support generics directly so use an array
sf.Serialize(fs, holidays.ToArray());
Console.WriteLine("Holidays saved to Holidays.soap");
}
#endif
// Binary
using (var fs = new FileStream("Holidays.bin", FileMode.Create))
{
BinaryFormatter bf = new BinaryFormatter();
bf.Serialize(fs, holidays);
Console.WriteLine("Holidays saved to Holidays.bin\n");
}
}
catch (Exception ex)
{
Console.WriteLine("Unable to save holidays:\n{0}", ex.Message);
if (ex.InnerException != null)
{
Console.WriteLine(ex.InnerException.Message);
if (ex.InnerException.InnerException != null)
{
Console.WriteLine(ex.InnerException.InnerException.Message);
}
}
}
// Delete the collection and read it back in
holidays = null;
try
{
// XML
using (var fs = new FileStream("Holidays.xml", FileMode.Open))
{
XmlSerializer xs = new XmlSerializer(typeof(HolidayCollection));
holidays = (HolidayCollection)xs.Deserialize(fs);
Console.WriteLine("Holidays retrieved from Holidays.xml");
}
#if NETFramework
// SOAP
using (var fs = new FileStream("Holidays.soap", FileMode.Open))
{
var sf = new System.Runtime.Serialization.Formatters.Soap.SoapFormatter();
// As noted, SOAP doesn't support generics to an array is used instead
holidays = new HolidayCollection((Holiday[])sf.Deserialize(fs));
Console.WriteLine("Holidays retrieved from Holidays.soap");
}
#endif
// Binary
using (var fs = new FileStream("Holidays.bin", FileMode.Open))
{
BinaryFormatter bf = new BinaryFormatter();
holidays = (HolidayCollection)bf.Deserialize(fs);
Console.WriteLine("Holidays retrieved from Holidays.bin\n");
}
}
catch (Exception ex)
{
Console.WriteLine("Unable to load holidays:\n{0}", ex.Message);
if (ex.InnerException != null)
{
Console.WriteLine(ex.InnerException.Message);
if (ex.InnerException.InnerException != null)
{
Console.WriteLine(ex.InnerException.InnerException.Message);
}
}
}
// Display the holidays added to the list
Console.WriteLine("Holidays on file. Is Holiday should be true for all.");
foreach (Holiday hol in holidays)
{
Console.WriteLine("Holiday Date: {0:d} Is Holiday: {1} Description: {2}",
hol.ToDateTime(yearFrom), holidays.IsHoliday(hol.ToDateTime(yearFrom)), hol.Description);
}
// Pause to review output
Console.WriteLine("Press ENTER to continue");
Console.ReadLine();
// Display holidays found in each year specified using the IsHoliday method
Console.WriteLine("Looking for holidays using the IsHoliday method");
testDate = new DateTime(yearFrom, 1, 1);
while (testDate.Year <= yearTo)
{
if (holidays.IsHoliday(testDate))
{
Console.WriteLine("Found holiday: {0:d} {1}", testDate, holidays.HolidayDescription(testDate));
}
testDate = testDate.AddDays(1);
// Stop after each year to review output
if (testDate.Month == 1 && testDate.Day == 1)
{
Console.WriteLine("Press ENTER to continue");
Console.ReadLine();
}
}
// One more time, but use a hash set using the dates returned by the HolidaysBetween() method. For
// bulk comparisons, this is faster than the above procedure using the IsHoliday method.
Console.WriteLine("Looking for holidays using HolidaysBetween");
holidayDates = new HashSet <DateTime>(holidays.HolidaysBetween(yearFrom, yearTo));
if (holidayDates.Count != 0)
{
testDate = new DateTime(yearFrom, 1, 1);
while (testDate.Year <= yearTo)
{
if (holidayDates.Contains(testDate))
{
Console.WriteLine("Found holiday: {0:d} {1}", testDate, holidays.HolidayDescription(testDate));
}
testDate = testDate.AddDays(1);
// Stop after each year to review output
if (testDate.Month == 1 && testDate.Day == 1)
{
Console.WriteLine("Press ENTER to continue");
Console.ReadLine();
}
}
}
//=================================================================
// Test recurrence
Recurrence rRecur = new Recurrence();
Recurrence.Holidays.AddRange(holidays);
// Disallow occurrences on any of the defined holidays
rRecur.CanOccurOnHoliday = false;
testDate = new DateTime(yearFrom, 1, 1);
// Test daily recurrence
rRecur.StartDateTime = testDate;
rRecur.RecurUntil = testDate.AddMonths(1); // For the enumerator
rRecur.RecurDaily(2);
// Serialize the recurrence to a file
try
{
// XML
using (var fs = new FileStream("Recurrence.xml", FileMode.Create))
{
XmlSerializer xs = new XmlSerializer(typeof(Recurrence));
xs.Serialize(fs, rRecur);
Console.WriteLine("Recurrence saved to Recurrence.xml");
}
#if NETFramework
// SOAP
using (var fs = new FileStream("Recurrence.soap", FileMode.Create))
{
var sf = new System.Runtime.Serialization.Formatters.Soap.SoapFormatter();
sf.Serialize(fs, rRecur);
Console.WriteLine("Recurrence saved to Recurrence.soap");
}
#endif
// Binary
using (var fs = new FileStream("Recurrence.bin", FileMode.Create))
{
BinaryFormatter bf = new BinaryFormatter();
bf.Serialize(fs, rRecur);
Console.WriteLine("Recurrence saved to Recurrence.bin\n");
}
}
catch (Exception ex)
{
Console.WriteLine("Unable to save recurrence:\n{0}", ex.Message);
if (ex.InnerException != null)
{
Console.WriteLine(ex.InnerException.Message);
if (ex.InnerException.InnerException != null)
{
Console.WriteLine(ex.InnerException.InnerException.Message);
}
}
}
// Deserialize the recurrence from a file
rRecur = null;
try
{
// XML
using (var fs = new FileStream("Recurrence.xml", FileMode.Open))
{
XmlSerializer xs = new XmlSerializer(typeof(Recurrence));
rRecur = (Recurrence)xs.Deserialize(fs);
Console.WriteLine("Recurrence restored from Recurrence.xml");
}
#if NETFramework
// SOAP
using (var fs = new FileStream("Recurrence.soap", FileMode.Open))
{
var sf = new System.Runtime.Serialization.Formatters.Soap.SoapFormatter();
rRecur = (Recurrence)sf.Deserialize(fs);
Console.WriteLine("Recurrence retrieved from Recurrence.soap");
}
#endif
// Binary
using (var fs = new FileStream("Recurrence.bin", FileMode.Open))
{
BinaryFormatter bf = new BinaryFormatter();
rRecur = (Recurrence)bf.Deserialize(fs);
Console.WriteLine("Recurrence retrieved from Recurrence.bin\n");
}
}
catch (Exception ex)
{
Console.WriteLine("Unable to restore recurrence:\n{0}", ex.Message);
if (ex.InnerException != null)
{
Console.WriteLine(ex.InnerException.Message);
if (ex.InnerException.InnerException != null)
{
Console.WriteLine(ex.InnerException.InnerException.Message);
}
}
}
recurDates = rRecur.InstancesBetween(testDate, testDate.AddMonths(1));
Console.WriteLine(rRecur.ToStringWithStartDateTime());
foreach (DateTime dt in recurDates)
{
Console.WriteLine("(Collection) Daily recurrence on: {0:d}", dt);
}
foreach (DateTime dt in rRecur)
{
Console.WriteLine("(Enumerator) Daily recurrence on: {0:d}", dt);
}
// Test NextInstance(). This isn't the most efficient way of searching for lots of dates but is
// useful for one-off searches.
nextDate = testDate;
do
{
nextDate = rRecur.NextInstance(nextDate, false);
if (nextDate != DateTime.MinValue)
{
Console.WriteLine("(NextInstance) Daily recurrence on: {0:d}", nextDate);
nextDate = nextDate.AddMinutes(1);
}
} while(nextDate != DateTime.MinValue);
// Pause to review output
Console.WriteLine("Press ENTER to continue");
Console.ReadLine();
// Test weekly recurrence
rRecur.StartDateTime = testDate;
rRecur.RecurWeekly(1, DaysOfWeek.Monday | DaysOfWeek.Wednesday);
recurDates = rRecur.InstancesBetween(testDate, testDate.AddMonths(1));
Console.WriteLine(rRecur.ToStringWithStartDateTime());
foreach (DateTime dt in recurDates)
{
Console.WriteLine("(Collection) Weekly recurrence on: {0:d}", dt);
}
foreach (DateTime dt in rRecur)
{
Console.WriteLine("(Enumerator) Weekly recurrence on: {0:d}", dt);
}
nextDate = testDate;
do
{
nextDate = rRecur.NextInstance(nextDate, false);
if (nextDate != DateTime.MinValue)
{
Console.WriteLine("(NextInstance) Weekly recurrence on: {0:d}", nextDate);
nextDate = nextDate.AddMinutes(1);
}
} while(nextDate != DateTime.MinValue);
// Pause to review output
Console.WriteLine("Press ENTER to continue");
Console.ReadLine();
// Test monthly recurrence (option 1)
rRecur.StartDateTime = testDate;
rRecur.RecurUntil = testDate.AddMonths(12); // For the enumerator
rRecur.RecurMonthly(15, 2);
recurDates = rRecur.InstancesBetween(testDate, testDate.AddMonths(12));
Console.WriteLine(rRecur.ToStringWithStartDateTime());
foreach (DateTime dt in recurDates)
{
Console.WriteLine("(Collection) Monthly recurrence on: {0:d}", dt);
}
foreach (DateTime dt in rRecur)
{
Console.WriteLine("(Enumerator) Monthly recurrence on: {0:d}", dt);
}
nextDate = testDate;
do
{
nextDate = rRecur.NextInstance(nextDate, false);
if (nextDate != DateTime.MinValue)
{
Console.WriteLine("(NextInstance) Monthly recurrence on: {0:d}", nextDate);
nextDate = nextDate.AddMinutes(1);
}
} while(nextDate != DateTime.MinValue);
// Pause to review output
Console.WriteLine("Press ENTER to continue");
Console.ReadLine();
// Test monthly recurrence (option 2)
rRecur.RecurMonthly(DayOccurrence.Third, DaysOfWeek.Thursday, 3);
recurDates = rRecur.InstancesBetween(testDate, testDate.AddMonths(12));
Console.WriteLine(rRecur.ToStringWithStartDateTime());
foreach (DateTime dt in recurDates)
{
Console.WriteLine("(Collection) Monthly recurrence on: {0:d}", dt);
}
foreach (DateTime dt in rRecur)
{
Console.WriteLine("(Enumerator) Monthly recurrence on: {0:d}", dt);
}
nextDate = testDate;
do
{
nextDate = rRecur.NextInstance(nextDate, false);
if (nextDate != DateTime.MinValue)
{
Console.WriteLine("(NextInstance) Monthly recurrence on: {0:d}", nextDate);
nextDate = nextDate.AddMinutes(1);
}
} while(nextDate != DateTime.MinValue);
// Pause to review output
Console.WriteLine("Press ENTER to continue");
Console.ReadLine();
// Test monthly recurrence (option 3 - a variation of option 2)
rRecur.RecurMonthly(DayOccurrence.Third, DaysOfWeek.Weekends, 2);
recurDates = rRecur.InstancesBetween(testDate, testDate.AddMonths(12));
Console.WriteLine(rRecur.ToStringWithStartDateTime());
foreach (DateTime dt in recurDates)
{
Console.WriteLine("(Collection) Monthly recurrence on: {0:d}", dt);
}
foreach (DateTime dt in rRecur)
{
Console.WriteLine("(Enumerator) Monthly recurrence on: {0:d}", dt);
}
nextDate = testDate;
do
{
nextDate = rRecur.NextInstance(nextDate, false);
if (nextDate != DateTime.MinValue)
{
Console.WriteLine("(NextInstance) Monthly recurrence on: {0:d}", nextDate);
nextDate = nextDate.AddMinutes(1);
}
} while(nextDate != DateTime.MinValue);
// Pause to review output
Console.WriteLine("Press ENTER to continue");
Console.ReadLine();
// Test yearly recurrence (option 1)
rRecur.StartDateTime = testDate;
rRecur.RecurUntil = testDate.AddYears(5); // For the enumerator
rRecur.RecurYearly(5, 24, 1);
recurDates = rRecur.InstancesBetween(testDate, testDate.AddYears(5));
Console.WriteLine(rRecur.ToStringWithStartDateTime());
foreach (DateTime dt in recurDates)
{
Console.WriteLine("(Collection) Yearly recurrence on: {0:d}", dt);
}
foreach (DateTime dt in rRecur)
{
Console.WriteLine("(Enumerator) Yearly recurrence on: {0:d}", dt);
}
nextDate = testDate;
do
{
nextDate = rRecur.NextInstance(nextDate, false);
if (nextDate != DateTime.MinValue)
{
Console.WriteLine("(NextInstance) Yearly recurrence on: {0:d}", nextDate);
nextDate = nextDate.AddMinutes(1);
}
} while(nextDate != DateTime.MinValue);
// Pause to review output
Console.WriteLine("Press ENTER to continue");
Console.ReadLine();
// Test yearly recurrence (option 2)
rRecur.RecurYearly(DayOccurrence.Last, DaysOfWeek.Sunday, 9, 2);
recurDates = rRecur.InstancesBetween(testDate, testDate.AddYears(5));
Console.WriteLine(rRecur.ToStringWithStartDateTime());
foreach (DateTime dt in recurDates)
{
Console.WriteLine("(Collection) Yearly recurrence on: {0:d}", dt);
}
foreach (DateTime dt in rRecur)
{
Console.WriteLine("(Enumerator) Yearly recurrence on: {0:d}", dt);
}
nextDate = testDate;
do
{
nextDate = rRecur.NextInstance(nextDate, false);
if (nextDate != DateTime.MinValue)
{
Console.WriteLine("(NextInstance) Yearly recurrence on: {0:d}", nextDate);
nextDate = nextDate.AddMinutes(1);
}
} while(nextDate != DateTime.MinValue);
// Pause to review output
Console.WriteLine("Press ENTER to continue");
Console.ReadLine();
// Test yearly recurrence (option 3 - a variation of option 2)
rRecur.RecurYearly(DayOccurrence.Last, DaysOfWeek.Weekdays, 7, 1);
recurDates = rRecur.InstancesBetween(testDate, testDate.AddYears(5));
Console.WriteLine(rRecur.ToStringWithStartDateTime());
foreach (DateTime dt in recurDates)
{
Console.WriteLine("(Collection) Yearly recurrence on: {0:d}", dt);
}
foreach (DateTime dt in rRecur)
{
Console.WriteLine("(Enumerator) Yearly recurrence on: {0:d}", dt);
}
nextDate = testDate;
do
{
nextDate = rRecur.NextInstance(nextDate, false);
if (nextDate != DateTime.MinValue)
{
Console.WriteLine("(NextInstance) Yearly recurrence on: {0:d}", nextDate);
nextDate = nextDate.AddMinutes(1);
}
} while(nextDate != DateTime.MinValue);
// Pause to review output
Console.WriteLine("Press ENTER to continue");
Console.ReadLine();
}
/// <summary>
/// Move to the next element
/// </summary>
/// <returns>Returns true if not at the end, false if it is</returns>
public bool MoveNext()
{
bool hasMore = true;
// First time through?
if (dates == null)
{
// If it's got a count, generate them all as we can't do it by yearly ranges. There shouldn't be
// too many although it's possible.
if (recurrence.MaximumOccurrences != 0)
{
dates = recurrence.InstancesBetween(start, DateTime.MaxValue);
}
else
{
// If it's got an end date, we'll generate instances in one year increments. This should be
// more efficient for long running or never ending sequences.
end = start.AddYears(1).AddSeconds(-1);
dates = recurrence.InstancesBetween(start, end);
}
}
else
{
idx++;
}
if (idx >= dates.Count)
{
// If it uses a count, we got them all on the first call so stop now
if (recurrence.MaximumOccurrences != 0)
{
hasMore = false;
}
else
{
idx = 0;
// Advance one year at a time until we get something or the end date is reached
do
{
if (start.Year < DateTime.MaxValue.Year)
{
start = end.AddSeconds(1);
if (start > recurrence.RecurUntil)
{
hasMore = false;
break;
}
}
else
{
hasMore = false;
break;
}
if (start.Year < DateTime.MaxValue.Year)
{
end = start.AddYears(1).AddSeconds(-1);
}
else
{
end = new DateTime(DateTime.MaxValue.Year, 12, 31, 23, 59, 59);
}
dates = recurrence.InstancesBetween(start, end);
} while(dates.Count == 0);
}
}
return(hasMore);
}
/// <summary>
/// Generate instances for the specified recurrence pattern
/// </summary>
/// <param name="sender">The sender of the event</param>
/// <param name="e">The event parameters</param>
protected void btnTest_Click(object sender, EventArgs e)
{
DateTimeCollection dc;
DateTime dt;
int start;
double elapsed;
try
{
lblCount.Text = lblDescription.Text = String.Empty;
if (!DateTime.TryParse(txtStartDate.Text, CultureInfo.CurrentCulture, DateTimeStyles.None, out dt))
{
lblCount.Text = "Invalid date/time or RRULE format";
return;
}
// Define the recurrence rule by parsing the text
Recurrence r = new Recurrence(txtRRULE.Text);
r.StartDateTime = dt;
// Synch the pattern control to the RRULE if not called by the pattern's test button
if (sender != btnTestPattern)
{
rpRecurrence.SetRecurrence(r);
}
// Use some limitations to prevent overloading the server or timing out the page if possible
if (r.Frequency > RecurFrequency.Hourly && (r.MaximumOccurrences == 0 || r.MaximumOccurrences > 5000))
{
r.MaximumOccurrences = 5000;
txtRRULE.Text = r.ToString();
}
if (r.MaximumOccurrences != 0)
{
if (r.MaximumOccurrences > 5000)
{
r.MaximumOccurrences = 5000;
txtRRULE.Text = r.ToString();
}
}
else
if (r.Frequency == RecurFrequency.Hourly)
{
if (r.RecurUntil > r.StartDateTime.AddYears(5))
{
r.RecurUntil = r.StartDateTime.AddYears(5);
txtRRULE.Text = r.ToString();
}
}
else
if (r.RecurUntil > r.StartDateTime.AddYears(50))
{
r.RecurUntil = r.StartDateTime.AddYears(50);
txtRRULE.Text = r.ToString();
}
// Time the calculation
start = System.Environment.TickCount;
dc = r.InstancesBetween(r.StartDateTime, DateTime.MaxValue);
elapsed = (System.Environment.TickCount - start) / 1000.0;
// Bind the results to the list box
lbResults.DataSource = dc;
lbResults.DataBind();
lblCount.Text = String.Format("Found {0:N0} instances in {1:N2} " +
"seconds ({2:N2} instances/second)", dc.Count, elapsed, dc.Count / elapsed);
// Show a description of the pattern
lblDescription.Text = r.ToDescription();
}
catch (Exception ex)
{
lblCount.Text = ex.Message;
}
}
//=====================================================================
/// <summary>
/// Test the recurrence class with the entered pattern
/// </summary>
/// <param name="sender">The sender of the event</param>
/// <param name="e">The event arguments</param>
private void btnTest_Click(object sender, EventArgs e)
{
DateTimeCollection dc;
int start, count;
double elapsed;
try
{
lblCount.Text = String.Empty;
// Define the recurrence rule by parsing the text
Recurrence r = new Recurrence(txtRRULE.Text);
r.StartDateTime = dtpStartDate.Value;
// Get the currently defined set of holidays if necessary
if (!r.CanOccurOnHoliday)
{
Recurrence.Holidays.Clear();
Recurrence.Holidays.AddRange(hmHolidays.Holidays);
}
// For hourly, minutely, and secondly, warn the user if there is no end date or max occurrences
if (r.Frequency >= RecurFrequency.Hourly && r.MaximumOccurrences == 0 &&
r.RecurUntil > r.StartDateTime.AddDays(100))
{
if (MessageBox.Show("This recurrence may run for a very long time. Continue?", "Confirm",
MessageBoxButtons.YesNo) == DialogResult.No)
{
return;
}
}
lbDates.DataSource = null;
this.Cursor = Cursors.WaitCursor;
start = System.Environment.TickCount;
dc = r.InstancesBetween(r.StartDateTime, DateTime.MaxValue);
elapsed = (System.Environment.TickCount - start) / 1000.0;
count = dc.Count;
if (count > 5000)
{
dc.RemoveRange(5000, count - 5000);
lblCount.Text += "A large number of dates were returned. Only the first 5000 have been " +
"loaded into the list box.\r\n";
}
// DateTimeCollection is bindable so we can assign it as the list box's data source
lbDates.DataSource = dc;
lblCount.Text += String.Format("Found {0:N0} instances in {1:N2} seconds ({2:N2} instances/second)",
count, elapsed, count / elapsed);
}
catch (Exception ex)
{
MessageBox.Show(ex.ToString());
}
finally
{
this.Cursor = Cursors.Default;
}
}
