HttpResponseException?CreateBadRequest(ControllerSelectionResult conventionRouteResult, ControllerSelectionResult?directRouteResult)
{
ApiVersion?requestedVersion;
if (conventionRouteResult.CouldMatchVersion)
{
requestedVersion = conventionRouteResult.RequestedVersion;
}
else if (directRouteResult != null && directRouteResult.CouldMatchVersion)
{
requestedVersion = directRouteResult.RequestedVersion;
}
else
{
return(null);
}
return(CreateBadRequest(requestedVersion));
}
HttpResponseException CreateNotFound(ControllerSelectionResult conventionRouteResult)
{
Contract.Requires(conventionRouteResult != null);
var message = SR.ResourceNotFound.FormatDefault(request.RequestUri);
var messageDetail = default(string);
if (IsNullOrEmpty(conventionRouteResult.ControllerName))
{
messageDetail = SR.ControllerNameNotFound.FormatDefault(request.RequestUri);
}
else
{
messageDetail = SR.DefaultControllerFactory_ControllerNameNotFound.FormatDefault(conventionRouteResult.ControllerName);
}
TraceWriter.Info(request, ControllerSelectorCategory, message);
return(new HttpResponseException(request.CreateErrorResponse(NotFound, message, messageDetail)));
}
public override ControllerSelectionResult SelectController(ControllerSelectionContext context)
{
Contract.Requires(context != null);
Contract.Ensures(Contract.Result <ControllerSelectionResult>() != null);
var request = context.Request;
var requestedVersion = context.RequestedVersion;
var result = new ControllerSelectionResult()
{
HasCandidates = context.HasAttributeBasedRoutes,
RequestedVersion = requestedVersion,
};
if (!result.HasCandidates)
{
return(result);
}
var bestMatches = SelectBestCandidates(context.DirectRouteCandidates, requestedVersion);
switch (bestMatches.Count)
{
case 0:
break;
case 1:
result.Controller = bestMatches.Single();
break;
default:
if (TryDisambiguateControllerByAction(request, bestMatches, out var resolvedController))
{
result.Controller = resolvedController;
break;
}
throw CreateAmbiguousControllerException(bestMatches);
}
return(result);
}
HttpResponseException CreateBadRequest(ControllerSelectionResult conventionRouteResult, ControllerSelectionResult directRouteResult)
{
Contract.Requires(conventionRouteResult != null);
var requestedVersion = default(ApiVersion);
if (conventionRouteResult.CouldMatchVersion)
{
requestedVersion = conventionRouteResult.RequestedVersion;
}
else if (directRouteResult != null && directRouteResult.CouldMatchVersion)
{
requestedVersion = directRouteResult.RequestedVersion;
}
else
{
return(null);
}
return(CreateBadRequest(requestedVersion));
}
HttpResponseException CreateNotFound(ControllerSelectionResult conventionRouteResult)
{
var safeUrl = request.RequestUri.SafeFullPath();
var message = SR.ResourceNotFound.FormatDefault(safeUrl);
string messageDetail;
if (IsNullOrEmpty(conventionRouteResult.ControllerName))
{
messageDetail = SR.ControllerNameNotFound.FormatDefault(safeUrl);
}
else
{
messageDetail = SR.DefaultControllerFactory_ControllerNameNotFound.FormatDefault(conventionRouteResult.ControllerName);
}
TraceWriter.Info(request, ControllerSelectorCategory, message);
#pragma warning disable CA2000 // Dispose objects before losing scope
return(new HttpResponseException(request.CreateErrorResponse(NotFound, message, messageDetail)));
#pragma warning restore CA2000 // Dispose objects before losing scope
}
internal HttpResponseException NewNotFoundOrBadRequestException(ControllerSelectionResult conventionRouteResult, ControllerSelectionResult directRouteResult) => CreateBadRequest(conventionRouteResult, directRouteResult) ?? CreateNotFound(conventionRouteResult);
internal HttpResponseException NewNotFoundOrBadRequestException(ControllerSelectionResult conventionRouteResult, ControllerSelectionResult directRouteResult) => CreateBadRequestForUnsupportedApiVersion(conventionRouteResult, directRouteResult) ?? CreateBadRequestForInvalidApiVersion() ?? CreateNotFound(conventionRouteResult);