/// <summary>
/// Called before client calls are sent and after service responses are returned.
/// </summary>
/// <param name="operationName">The name of the operation.</param>
/// <param name="inputs">The objects passed to the method by the client.</param>
/// <returns>The correlation state that is returned as the <c>correlationState</c> parameter in
/// <see cref="M:System.ServiceModel.Dispatcher.IParameterInspector.AfterCall(System.String,System.Object[],System.Object,System.Object)" />.
/// Return null if you do not intend to use correlation state.</returns>
/// <exception cref="System.ArgumentNullException">inputs</exception>
/// <exception cref="FaultException{ValidationFault}"></exception>
/// <exception cref="InvalidObjectFault"></exception>
public object BeforeCall(
string operationName,
object[] inputs)
{
if (inputs == null)
{
throw new ArgumentNullException(nameof(inputs));
}
var results = new ValidationResults();
for (var i = 0; i < InputValidators.Count(); i++)
{
InputValidators[i].DoValidate(inputs[i], inputs[i], InputValidatorParameterNames[i], results);
}
if (results.IsValid)
{
return(null);
}
var validationFault = new InvalidObjectFault();
if (WebOperationContext.Current != null)
{
throw new WebFaultException <InvalidObjectFault>(
AddFaultDetails(validationFault, results), validationFault.HttpStatusCode);
}
else
{
throw new FaultException <InvalidObjectFault>(
AddFaultDetails(validationFault, results));
}
}
/// <summary>
/// Adds the fault details.
/// </summary>
/// <param name="fault">The fault.</param>
/// <param name="results">The results.</param>
/// <returns>ValidationFault.</returns>
static InvalidObjectFault AddFaultDetails(
InvalidObjectFault fault,
ValidationResults results)
{
if (results == null)
{
throw new ArgumentNullException(nameof(results));
}
if (fault == null)
{
throw new ArgumentNullException(nameof(fault));
}
if (!results.IsValid)
{
foreach (ValidationResult result in results)
{
fault.Add(CreateValidationDetail(result));
}
}
return(fault);
}