public HttpControllerDescriptor SelectController(HttpRequestMessage request)
{
if (request == null)
{
throw Error.ArgumentNull("request");
}
IHttpRouteData routeData = request.GetRouteData();
if (routeData == null)
{
return _innerSelector.SelectController(request);
}
ODataPath odataPath = request.GetODataPath();
if (odataPath == null)
{
return _innerSelector.SelectController(request);
}
foreach (IODataRoutingConvention routingConvention in _routingConventions)
{
string controllerName = routingConvention.SelectController(odataPath, request);
if (controllerName != null)
{
routeData.Values.Add(ODataRouteConstants.Controller, controllerName);
return _innerSelector.SelectController(request);
}
}
throw new HttpResponseException(request.CreateErrorResponse(
HttpStatusCode.NotFound,
Error.Format(SRResources.NoMatchingResource, request.RequestUri),
Error.Format(SRResources.NoRoutingHandlerToSelectController, odataPath.PathTemplate)));
}
private static PropertyAccessPathSegment GetProperty(HttpRequestMessage request)
{
ODataPath odataPath = request.GetODataPath();
if (odataPath == null || odataPath.Segments.Count < 2)
{
return null;
}
return odataPath.Segments[odataPath.Segments.Count - 2] as PropertyAccessPathSegment;
}
private static IEdmNavigationProperty GetNavigationPropertyOrDefault(HttpRequestMessage request)
{
if (request == null)
{
throw new SerializationException(SRResources.RequestMissingDuringSerialization);
}
ODataPath path = request.GetODataPath();
if (path == null)
{
throw Error.InvalidOperation(SRResources.RequestNotODataPath, request.RequestUri);
}
Contract.Assert(path.Segments != null);
NavigationPathSegment navigationSegment = path.Segments.LastOrDefault() as NavigationPathSegment;
if (navigationSegment == null)
{
return null;
}
return navigationSegment.NavigationProperty;
}
private static bool IsRawValueRequest(HttpRequestMessage request)
{
ODataPath path = request.GetODataPath();
return path != null && path.Segments.LastOrDefault() is ValuePathSegment;
}