public static void NullOrWhitespace(this GuardClause g, string?input, string argumentName, string?errorMessage = null)
{
if (string.IsNullOrWhiteSpace(input))
{
throw new ArgumentException(errorMessage, argumentName);
}
}
public static void Null(this GuardClause g, object input, string argumentName, string?errorMessage = null)
{
if (input == null)
{
throw new ArgumentException(errorMessage, argumentName);
}
}
public static void Null <T>(this GuardClause g, object input, string errorMessage) where T : Exception, new()
{
if (input == null)
{
Type classType = typeof(T);
ConstructorInfo classConstructor = classType.GetConstructor(new Type[] { typeof(string) });
T ex = (T)classConstructor.Invoke(parameters: new object[] { errorMessage });
throw ex;
}
}
