public static bool TryCreate(string phoneNumber, out PhoneNumber result, out string failureReason)
{
var specification = new PhoneNumberSpecification();
if (specification.IsSatisfiedBy(phoneNumber))
{
result = new PhoneNumber(phoneNumber);
failureReason = string.Empty;
return true;
}
result = null;
failureReason = specification.GetReasonsForDissatisfactionSeparatedWithNewLine();
return false;
}
public static PhoneNumber Create(string phoneNumber)
{
if (phoneNumber == null)
{
throw new ArgumentNullException("phoneNumber");
}
var specification = new PhoneNumberSpecification();
if (specification.IsSatisfiedBy(phoneNumber))
{
return new PhoneNumber(phoneNumber);
}
throw new ArgumentException(string.Format("Phone number '{0}' doesn't satisfy specification.", phoneNumber), "phoneNumber");
}