/// <summary>
/// Converts the given object to the type of this converter, using the specified context and culture information.
/// </summary>
/// <returns>
/// An <see cref="T:System.Object"/> that represents the converted value.
/// </returns>
/// <param name="context">An <see cref="T:System.ComponentModel.ITypeDescriptorContext"/> that provides a format context. </param>
/// <param name="culture">The <see cref="T:System.Globalization.CultureInfo"/> to use as the current culture. </param>
/// <param name="value">The <see cref="T:System.Object"/> to convert. </param>
/// <exception cref="T:System.NotSupportedException">The conversion cannot be performed. </exception>
public override object ConvertFrom(ITypeDescriptorContext context, CultureInfo culture, object value)
{
string @string = value as string;
if (@string != null)
{
Instant instant;
if (TimeHelpers.GetInstantPatterns(culture).TryParseAny(@string.Trim(), out instant))
{
return(instant);
}
DateTimeOffset dateTimeOffset;
if (DateTimeOffset.TryParse(@string, out dateTimeOffset))
{
return(Instant.FromDateTimeOffset(dateTimeOffset));
}
throw new NotSupportedException(
// ReSharper disable once AssignNullToNotNullAttribute
string.Format(Resources.InstantConverter_ConvertFrom_CannotParse, @string));
}
if (value is DateTime)
{
DateTime dateTime = (DateTime)value;
return(Instant.FromDateTimeUtc(dateTime.ToUniversalTime()));
}
if (value is DateTimeOffset)
{
DateTimeOffset dateTimeOffset = (DateTimeOffset)value;
return(Instant.FromDateTimeOffset(dateTimeOffset));
}
if (value is OffsetDateTime)
{
OffsetDateTime offsetDateTime = (OffsetDateTime)value;
return(offsetDateTime.ToInstant());
}
if (value is ZonedDateTime)
{
ZonedDateTime zonedDateTime = (ZonedDateTime)value;
return(zonedDateTime.ToInstant());
}
return(base.ConvertFrom(context, culture, value));
}
