// Gets a parameter of the given name and attempts to extract a date.
// Returns null if the parameter is not present or the format is incorrect.
private DateTimeOffset?GetDate(string parameter)
{
var dateParameter = NameValueHeaderValue.Find(_parameters, parameter);
if (dateParameter != null)
{
string dateString = dateParameter.Value;
// Should have quotes, remove them.
if (IsQuoted(dateString))
{
dateString = dateString.Substring(1, dateString.Length - 2);
}
DateTimeOffset date;
if (HttpRuleParser.TryStringToDate(dateString, out date))
{
return(date);
}
}
return(null);
}
public static bool TryParseDate(string input, out DateTimeOffset result)
{
return(HttpRuleParser.TryStringToDate(input, out result));
}
