public System.Web.Http.Controllers.HttpControllerDescriptor SelectController(System.Net.Http.HttpRequestMessage request)
{
var routeData = request.GetRouteData();
if (routeData == null)
{
throw new HttpResponseException(new HttpResponseMessage(System.Net.HttpStatusCode.NotFound));
}
string namespaceName = GetRouteVariable <string>(routeData, "namespace");
if (namespaceName == null)
{
throw new HttpResponseException(new HttpResponseMessage(System.Net.HttpStatusCode.NotFound));
}
string controllerName = GetRouteVariable <string>(routeData, "controller");
if (controllerName == null)
{
throw new HttpResponseException(new HttpResponseMessage(System.Net.HttpStatusCode.NotFound));
}
// Find a matching controller.
var baseKey = String.Format(CultureInfo.InvariantCulture, "{0}.{1}Controller", namespaceName, controllerName);
var key = String.Format("{0}Controller", baseKey);
HttpControllerDescriptor controllerDescriptor;
if (_controllers.Value.TryGetValue(key, out controllerDescriptor)) // the default should include the "Controller" at the end of the class name
{
return(controllerDescriptor);
}
else if (_controllers.Value.TryGetValue(baseKey, out controllerDescriptor)) //explicit class name, sans "Controller"
{
return(controllerDescriptor);
}
else if (_duplicates.Contains(key))
{
throw new HttpResponseException(
request.CreateErrorResponse(HttpStatusCode.InternalServerError,
"Multiple controllers were found that match this request."));
}
else
{
throw new HttpResponseException(HttpStatusCode.NotFound);
}
}
