/// <summary>
/// Converts the specified string representation of an NHS identifier to its correctly-formatted equivalent.
/// </summary>
/// <remarks>
/// Throws an exception if the string cannot be parsed.
/// </remarks>
/// <param name="value">A string containing an NHS identifier to be parsed. </param>
/// <returns>An NHS identifier constructed from the value parameter. </returns>
public static NhsNumber ParseNhsNumber(string value)
{
string parsedValue;
NhsNumberParseResult result = NhsNumber.TryParseNhsNumber(value, out parsedValue);
if (result == NhsNumberParseResult.Success)
{
return(new NhsNumber(parsedValue));
}
else
{
if (result == NhsNumberParseResult.FailedAlphaCharacterContent)
{
throw new ArgumentException(string.Format(CultureInfo.InvariantCulture, NhsNumberExceptionResources.InvalidNhsNumberMessageAlphaChars, value));
}
else if (result == NhsNumberParseResult.FailedChecksum)
{
throw new ArgumentException(string.Format(CultureInfo.InvariantCulture, NhsNumberExceptionResources.InvalidNhsNumberMessageChecksum, value));
}
else if (result == NhsNumberParseResult.FailedDigitCount)
{
throw new ArgumentException(string.Format(CultureInfo.InvariantCulture, NhsNumberExceptionResources.InvalidNhsNumberMessageDigitCount, value));
}
else if (result == NhsNumberParseResult.FailedAllSameDigits)
{
throw new ArgumentException(string.Format(CultureInfo.InvariantCulture, NhsNumberExceptionResources.InvalidNhsNumberMessageDigitsAllSame, value));
}
else
{
throw new ArgumentException(string.Format(CultureInfo.InvariantCulture, NhsNumberExceptionResources.InvalidNhsNumberMessageUnknownError, value));
}
}
}
/// <summary>
/// Validates whether a given identifier is a valid NhsNumber.
/// </summary>
/// <remarks>ArgumentException will be raised if the IdentifierType is NhsNumber and Text is not a valid NhsNumber</remarks>
private void Validate()
{
if (this.IdentifierType == IdentifierType.NhsNumber && string.Compare(this.Text, PatientBannerControl.PatientBannerResources.DefaultIdentifierValue, StringComparison.CurrentCultureIgnoreCase) != 0)
{
try
{
NhsNumber.ParseNhsNumber(this.Text);
}
catch (ArgumentException)
{
this.lastIdentifierValid = false;
throw;
}
}
this.lastIdentifierValid = true;
}
/// <summary>
/// Parses/sets the NHS Number.
/// </summary>
/// <param name="nhsNumber">String to assign to the NHS Number.</param>
private void SetNhsNumber(string nhsNumber)
{
// Parse the text passed in to see if meets the formatting criteria
// If it is store the value and format it for display
string parsedValue;
NhsNumberParseResult result = NhsNumber.TryParseNhsNumber(nhsNumber, out parsedValue);
if (result == NhsNumberParseResult.Success)
{
this.nhsNumber = parsedValue.Substring(0, 3) + " " + parsedValue.Substring(3, 3) + " " + parsedValue.Substring(6, 4);
}
else
{
if (result == NhsNumberParseResult.FailedAlphaCharacterContent)
{
throw new ArgumentException(string.Format(CultureInfo.InvariantCulture, NhsNumberExceptionResources.InvalidNhsNumberMessageAlphaChars, nhsNumber));
}
else if (result == NhsNumberParseResult.FailedChecksum)
{
throw new ArgumentException(string.Format(CultureInfo.InvariantCulture, NhsNumberExceptionResources.InvalidNhsNumberMessageChecksum, nhsNumber));
}
else if (result == NhsNumberParseResult.FailedDigitCount)
{
throw new ArgumentException(string.Format(CultureInfo.InvariantCulture, NhsNumberExceptionResources.InvalidNhsNumberMessageDigitCount, nhsNumber));
}
else if (result == NhsNumberParseResult.FailedAllSameDigits)
{
throw new ArgumentException(string.Format(CultureInfo.InvariantCulture, NhsNumberExceptionResources.InvalidNhsNumberMessageDigitsAllSame, nhsNumber));
}
else
{
throw new ArgumentException(string.Format(CultureInfo.InvariantCulture, NhsNumberExceptionResources.InvalidNhsNumberMessageUnknownError, nhsNumber));
}
}
}
