private static DateTimeOffset CreateDateTimeValue(object propertyValue, SyndicationItemProperty targetProperty, ODataWriterBehavior writerBehavior)
{
Debug.Assert(
writerBehavior.FormatBehaviorKind != ODataBehaviorKind.WcfDataServicesClient,
"CreateDateTimeValue should not be used in WCF DS client mode.");
if (propertyValue == null)
{
return(DateTimeOffset.Now);
}
if (propertyValue is DateTimeOffset)
{
return((DateTimeOffset)propertyValue);
}
if (propertyValue is DateTime)
{
// DateTimeOffset takes care of DateTimes of Unspecified kind so we won't end up
// with datetime without timezone info mapped to atom:updated or atom:published element.
return(new DateTimeOffset((DateTime)propertyValue));
}
string stringValue = propertyValue as string;
if (stringValue != null)
{
DateTimeOffset date;
if (!DateTimeOffset.TryParse(stringValue, out date))
{
DateTime result;
if (!DateTime.TryParse(stringValue, out result))
{
throw new ODataException(ODataErrorStrings.EpmSyndicationWriter_DateTimePropertyCanNotBeConverted(targetProperty.ToString()));
}
return(new DateTimeOffset(result));
}
return(date);
}
try
{
return(new DateTimeOffset(Convert.ToDateTime(propertyValue, CultureInfo.InvariantCulture)));
}
catch (Exception e)
{
if (!ExceptionUtils.IsCatchableExceptionType(e))
{
throw;
}
throw new ODataException(ODataErrorStrings.EpmSyndicationWriter_DateTimePropertyCanNotBeConverted(targetProperty.ToString()));
}
}