static DateFormatter Formatter()
{
DateFormatter formatter = Cache.Value;
formatter.Reset();
return(formatter);
}
public long ConvertToTimeMillis(ICharSequence value)
{
DateTime?dateTime = DateFormatter.ParseHttpDate(value);
if (dateTime == null)
{
throw new FormatException($"header can't be parsed into a Date: {value}");
}
return(dateTime.Value.Ticks / TimeSpan.TicksPerMillisecond);
}