Exemplo n.º 1
0
        private static HttpActionBinding GetActionBinding(HttpActionDescriptor actionDescriptor)
        {
            HttpControllerDescriptor controllerDescriptor = actionDescriptor.ControllerDescriptor;

            if (controllerDescriptor == null)
            {
                return(null);
            }

            ServicesContainer  controllerServices = controllerDescriptor.Configuration.Services;
            IActionValueBinder actionValueBinder  = controllerServices.GetActionValueBinder();
            HttpActionBinding  actionBinding      = actionValueBinder != null?actionValueBinder.GetBinding(actionDescriptor) : null;

            return(actionBinding);
        }
        /// <summary>
        /// Callback invoked to set per-controller overrides for this controllerDescriptor.
        /// </summary>
        /// <param name="controllerSettings">The controller settings to initialize.</param>
        /// <param name="controllerDescriptor">The controller descriptor. Note that the <see
        /// cref="T:System.Web.Http.Controllers.HttpControllerDescriptor" /> can be associated with the derived
        /// controller type given that <see cref="T:System.Web.Http.Controllers.IControllerConfiguration" /> is
        /// inherited.</param>
        public void Initialize(HttpControllerSettings controllerSettings, HttpControllerDescriptor controllerDescriptor)
        {
            if (controllerSettings == null)
            {
                throw Error.ArgumentNull("controllerSettings");
            }

            if (controllerDescriptor == null)
            {
                throw Error.ArgumentNull("controllerDescriptor");
            }

            // If any OData formatters are registered globally, do nothing and use those instead
            MediaTypeFormatterCollection controllerFormatters = controllerSettings.Formatters;

            if (!controllerFormatters.Where(f => f != null && Decorator.GetInner(f) is ODataMediaTypeFormatter).Any())
            {
                // Remove Xml and Json formatters to avoid media type conflicts.
                RemoveFormatters(controllerFormatters,
                                 controllerFormatters.Where(f => f is XmlMediaTypeFormatter || f is JsonMediaTypeFormatter));

                // Then add our formatters.
                controllerFormatters.InsertRange(0, CreateODataFormatters());
            }

            ServicesContainer services = controllerSettings.Services;

            Contract.Assert(services != null);

            // Replace the action value binder with one that attaches the request to the formatter.
            IActionValueBinder originalActionValueBinder = services.GetActionValueBinder();
            IActionValueBinder actionValueBinder         = new PerRequestActionValueBinder(originalActionValueBinder);

            controllerSettings.Services.Replace(typeof(IActionValueBinder), actionValueBinder);

            // Replace the content negotiator with one that uses the per-request formatters.
            // This negotiator is required to allow CanReadType to have access to the model.
            IContentNegotiator originalContentNegotiator = services.GetContentNegotiator();
            IContentNegotiator contentNegotiator         = new PerRequestContentNegotiator(originalContentNegotiator);

            controllerSettings.Services.Replace(typeof(IContentNegotiator), contentNegotiator);
        }