public static HttpControllerDescriptor GetDirectRouteController(this IHttpRoute route)
{
Contract.Assert(route != null);
ReflectedHttpActionDescriptor[] directRouteActions = route.GetDirectRouteActions();
if (directRouteActions != null)
{
// Set the controller descriptor for the first action descriptor
Contract.Assert(directRouteActions.Length > 0);
HttpControllerDescriptor controllerDescriptor = directRouteActions[0].ControllerDescriptor;
// Check that all other action descriptors share the same controller descriptor
for (int i = 1; i < directRouteActions.Length; i++)
{
if (directRouteActions[i].ControllerDescriptor != controllerDescriptor)
{
return(null);
}
}
return(controllerDescriptor);
}
return(null);
}
private ReflectedHttpActionDescriptor[] GetInitialCandidateList(HttpControllerContext controllerContext, bool ignoreVerbs = false)
{
IHttpRouteData routeData = controllerContext.RouteData;
IHttpRoute route = routeData.Route;
ReflectedHttpActionDescriptor[] actions;
if (route != null)
{
actions = route.GetDirectRouteActions();
if (actions != null)
{
return(actions);
}
}
HttpMethod incomingMethod = controllerContext.Request.Method;
string actionName;
if (routeData.Values.TryGetValue(RouteKeys.ActionKey, out actionName))
{
// We have an explicit {action} value, do traditional binding. Just lookup by actionName
ReflectedHttpActionDescriptor[] actionsFoundByName = _actionNameMapping[actionName].ToArray();
// Throws HttpResponseException with NotFound status because no action matches the Name
if (actionsFoundByName.Length == 0)
{
throw new HttpResponseException(controllerContext.Request.CreateErrorResponse(
HttpStatusCode.NotFound,
Error.Format(SRResources.ResourceNotFound, controllerContext.Request.RequestUri),
Error.Format(SRResources.ApiControllerActionSelector_ActionNameNotFound, _controllerDescriptor.ControllerName, actionName)));
}
if (ignoreVerbs)
{
actions = actionsFoundByName;
}
else
{
actions = FilterIncompatibleVerbs(incomingMethod, actionsFoundByName);
}
}
else
{
if (ignoreVerbs)
{
actions = _actionDescriptors;
}
else
{
// No direct routing or {action} parameter, infer it from the verb.
actions = FindActionsForVerb(incomingMethod);
}
}
return(actions);
}
// If route is a direct route, get the http method for its actions.
// Else return null.
public static HttpMethod GetDirectRouteVerb(this IHttpRoute route)
{
ReflectedHttpActionDescriptor[] ads = route.GetDirectRouteActions();
if (ads != null)
{
// All action descriptors on this route have the same method, so just pull the first.
return(ads[0].SupportedHttpMethods[0]);
}
return(null);
}
