/// <inheritdoc />
public ValidationRuleResult Validate(ValidationRuleContext context)
{
string iban = context.Value;
int length = iban.Length;
var buffer = new char[length];
// Reorder (first 4 chars at end).
iban.CopyTo(4, buffer, 0, length - 4);
iban.CopyTo(0, buffer, length - 4, 4);
return(_checkDigitsCalculator.Compute(buffer) == ExpectedCheckDigit
? ValidationRuleResult.Success
: new InvalidCheckDigitsResult());
}
/// <summary>
/// Validates a BBAN for valid national check digits.
/// </summary>
public virtual bool Validate(string bban)
{
string checkString = GetCheckString(bban);
try
{
int computedCheckDigits = _checkDigitsCalculator.Compute(checkString.ToCharArray());
return(GetExpectedCheckDigits(bban) == computedCheckDigits);
}
catch (ArgumentException)
{
return(false);
}
catch (InvalidTokenException)
{
return(false);
}
}