/// <summary>
/// Validate a Top Level Domain
/// </summary>
/// <returns></returns>
public static bool IsValid(string ianaCode)
{
// ReSharper disable once ConvertIfStatementToReturnStatement
if (string.IsNullOrEmpty(ianaCode))
{
return(false);
}
ianaCode = ianaCode.Trim();
return(IanaDict.ContainsKey(ianaCode));
}
public static IanaCode FromString(string ianaCodeString)
{
if (string.IsNullOrEmpty(ianaCodeString))
{
throw new InvalidTimeZoneCode(ianaCodeString);
}
ianaCodeString = ianaCodeString.Trim().ToUpper();
if (IanaDict.TryGetValue(ianaCodeString, out IanaCode ianaCode))
{
return(ianaCode);
}
throw new InvalidTimeZoneCode(ianaCodeString);
}