/// <summary>Creates an <c>XMPDateTime</c>-instance from a calendar.</summary>
/// <param name="calendar">a <c>Calendar</c></param>
public XmpDateTime(Calendar calendar)
{
// extract the date and timezone from the calendar provided
var date = calendar.GetTime();
var zone = calendar.GetTimeZone();
// put that date into a calendar the pretty much represents ISO8601
// I use US because it is close to the "locale" for the ISO8601 spec
var intCalendar = (GregorianCalendar)Calendar.GetInstance(CultureInfo.InvariantCulture);
intCalendar.SetGregorianChange(UnixTimeToDateTime(long.MinValue));
intCalendar.SetTimeZone(zone);
intCalendar.SetTime(date);
_year = intCalendar.Get(CalendarEnum.Year);
_month = intCalendar.Get(CalendarEnum.Month) + 1;
// cal is from 0..12
_day = intCalendar.Get(CalendarEnum.DayOfMonth);
_hour = intCalendar.Get(CalendarEnum.HourOfDay);
_minute = intCalendar.Get(CalendarEnum.Minute);
_second = intCalendar.Get(CalendarEnum.Second);
_nanoseconds = intCalendar.Get(CalendarEnum.Millisecond) * 1000000;
_timeZone = intCalendar.GetTimeZone();
// object contains all date components
HasDate = HasTime = HasTimeZone = true;
}
private DateTime ConvertResult(Match data)
{
Calendar result = Calendar.GetInstance(Culture);
if (data.Groups[FIELD_YEAR].Success)
{
result.Set(CalendarEnum.Year, int.Parse(data.Groups[FIELD_YEAR].Value));
}
else
{
result.Set(CalendarEnum.Year, 1);
}
if (data.Groups[FIELD_MONTH].Success)
{
result.Set(CalendarEnum.MonthOneBased, int.Parse(data.Groups[FIELD_MONTH].Value));
}
else
{
result.Set(CalendarEnum.MonthOneBased, 1);
}
if (data.Groups[FIELD_DAY].Success)
{
result.Set(CalendarEnum.DayOfMonth, int.Parse(data.Groups[FIELD_DAY].Value));
}
else
{
result.Set(CalendarEnum.DayOfMonth, 0);
}
if (data.Groups[FIELD_HOUR].Success)
{
result.Set(CalendarEnum.HourOfDay, int.Parse(data.Groups[FIELD_HOUR].Value));
}
else
{
result.Set(CalendarEnum.HourOfDay, 0);
}
if (data.Groups[FIELD_MINUTE].Success)
{
result.Set(CalendarEnum.Minute, int.Parse(data.Groups[FIELD_MINUTE].Value));
}
else
{
result.Set(CalendarEnum.Minute, 0);
}
if (data.Groups[FIELD_SECOND].Success)
{
result.Set(CalendarEnum.Second, int.Parse(data.Groups[FIELD_SECOND].Value));
}
else
{
result.Set(CalendarEnum.Second, 0);
}
result.Set(CalendarEnum.Millisecond, 0);
return(result.GetTime());
}