/// <summary>
/// Gets the parameters information for the given operation
/// </summary>
/// <param name="operationName"></param>
/// <param name="contractOperations"></param>
/// <returns></returns>
private ParameterDetailsInfo GetParameterInfo(string operationName, IEnumerable <OperationDescription> contractOperations)
{
var parameterInfo = new ParameterDetailsInfo();
var parameters = GetParameters(contractOperations.Single(x => x.Name == operationName));
foreach (var parameter in parameters.OrderBy(x => x.Position))
{
var skipNullCheck = false;
foreach (var customAttribute in parameter.GetCustomAttributes(inherit: false))
{
if (customAttribute is AllowNullAttribute)
{
skipNullCheck = true;
}
}
parameterInfo.ParameterDetails.Add(new ParameterDetails {
Name = parameter.Name, Position = parameter.Position, SkipNullcheck = skipNullCheck
});
}
return(parameterInfo);
}
/// <summary>
/// Initializes a new instance of the <see cref="ValidatingParameterInspector"/> class.
/// </summary>
/// <param name="validators">The validators.</param>
/// <param name="errorMessageGenerator">The error message generator.</param>
/// <param name="validationResultsLogger">[Optional] The validation results logger</param>
/// <param name="parameterDetailsInfo">The parameter info object for the optional validator skipping.</param>
public ValidatingParameterInspector(IEnumerable <IObjectValidator> validators, IErrorMessageGenerator errorMessageGenerator, IValidationResultsLogger validationResultsLogger = null, ParameterDetailsInfo parameterDetailsInfo = null)
{
_validationResultsLogger = validationResultsLogger;
if (validators == null)
{
throw new ArgumentNullException(nameof(validators));
}
if (!validators.Any())
{
throw new ArgumentException("At least one validator is required.");
}
if (errorMessageGenerator == null)
{
throw new ArgumentNullException(nameof(errorMessageGenerator));
}
_validators = validators;
_errorMessageGenerator = errorMessageGenerator;
_parameterDetailsInfo = parameterDetailsInfo;
}
