コード例 #1
0
        /// <summary>
        /// Determines whether the specified account number is valid. The account number
        /// is given as a full number including the hypothetical check digit.
        /// validation steps:
        /// * bank code can have 4 digits max
        /// * account number can have 7 digits max (including 1 check digit)
        /// * check digit is valid
        /// </summary>
        /// <param name="accountNumber">The account number including the hypothetical check digit.</param>
        /// <param name="validationErrors">Collection is filled up with the validation error messages</param>
        /// <returns>
        ///   <c>true</c> if the specified account number is valid; otherwise, <c>false</c>.
        /// </returns>
        public bool Validate(NationalAccountNumber accountNumber, ICollection <ValidationError> validationErrors)
        {
            if (accountNumber == null)
            {
                throw new ArgumentNullException("accountNumber", "Please provide an account number.");
            }

            validationErrors = validationErrors ?? new List <ValidationError>();

            var norwayAccountNumber = new NorwayAccountNumber(accountNumber);

            ValidationMethodsTools.ValidateMember(norwayAccountNumber.AccountNumber, 7, validationErrors, ValidationErrorCodes.AccountNumberMissing, ValidationErrorCodes.AccountNumberTooLong);
            ValidationMethodsTools.ValidateMember(norwayAccountNumber.BankCode, 4, validationErrors, ValidationErrorCodes.BankCodeMissing, ValidationErrorCodes.BankCodeTooLong);

            if (validationErrors.Count > 0)
            {
                return(false);
            }

            var bankCodeWithAccountNumber =
                String.Format("{0,4}{1,7}", norwayAccountNumber.BankCode, norwayAccountNumber.AccountNumber).Replace(' ', '0');

            if (!validationMethod.IsValid(bankCodeWithAccountNumber))
            {
                validationErrors.AddValidationErrorMessage("The validation of the check digit failed.");
            }

            return(validationErrors.Count == 0);
        }
コード例 #2
0
        /// <summary>
        /// Calculates the check digit.
        /// The account number is given without a check digit.
        /// </summary>
        /// <param name="accountNumber">The account number without a check digit.</param>
        /// <returns>
        /// The calculated check digit for the given account number
        /// </returns>
        public string CalculateCheckDigit(NationalAccountNumber accountNumber)
        {
            if (accountNumber == null)
            {
                throw new ArgumentNullException("accountNumber", "Please provide an account number.");
            }

            var norwayAccountNumber = new NorwayAccountNumber(accountNumber);

            if (String.IsNullOrEmpty(norwayAccountNumber.BankCode))
            {
                throw new ArgumentException("The bank code is missing.", "accountNumber");
            }
            if (String.IsNullOrEmpty(norwayAccountNumber.AccountNumber))
            {
                throw new ArgumentException("The account number is missing.", "accountNumber");
            }

            var bankCodeWithBranch =
                String.Format("{0,4}{1,6}", norwayAccountNumber.BankCode, norwayAccountNumber.AccountNumber).Replace(' ', '0');

            return(validationMethod.CalculateCheckDigit(bankCodeWithBranch));
        }