C# HttpRequestMessage.GetUrlHelper方法代碼示例

        public void NavigationLinksGenerationConvention_GeneratesLinksWithCast_ForDerivedProperties()
        {
            ODataConventionModelBuilder builder = new ODataConventionModelBuilder();
            builder.EntitySet<Vehicle>("vehicles");
            builder.EntitySet<Manufacturer>("manufacturers");

            IEdmModel model = builder.GetEdmModel();
            IEdmEntitySet vehiclesEdmEntitySet = model.EntityContainers().Single().FindEntitySet("vehicles");
            IEdmEntityType carType = model.AssertHasEntityType(typeof(Car));
            IEdmNavigationProperty carManufacturerProperty = carType.AssertHasNavigationProperty(model, "Manufacturer", typeof(CarManufacturer), isNullable: true, multiplicity: EdmMultiplicity.ZeroOrOne);

            HttpConfiguration configuration = new HttpConfiguration();
            configuration.Routes.MapHttpRoute(ODataRouteNames.PropertyNavigationWithCast, "{controller}({parentid})/{entitytype}/{navigationproperty}");

            HttpRequestMessage request = new HttpRequestMessage(HttpMethod.Get, "http://localhost");
            request.Properties[HttpPropertyKeys.HttpConfigurationKey] = configuration;
            request.Properties[HttpPropertyKeys.HttpRouteDataKey] = new HttpRouteData(new HttpRoute());

            IEntitySetLinkBuilder linkBuilder = model.GetEntitySetLinkBuilder(vehiclesEdmEntitySet);

            Uri uri = linkBuilder.BuildNavigationLink(
                new EntityInstanceContext(model, vehiclesEdmEntitySet, carType, request.GetUrlHelper(), new Car { Model = 2009, Name = "Accord" }),
                carManufacturerProperty);

            Assert.Equal("http://localhost/vehicles(Model=2009,Name='Accord')/System.Web.Http.OData.Builder.TestModels.Car/Manufacturer", uri.AbsoluteUri);
        }

        public void GenerateActionLink_GeneratesLinkWithoutCast_IfEntitySetTypeMatchesActionEntityType()
        {
            // Arrange
            ODataConventionModelBuilder builder = new ODataConventionModelBuilder();
            var cars = builder.EntitySet<Car>("cars");
            var paintAction = cars.EntityType.Action("Paint");

            IEdmModel model = builder.GetEdmModel();
            var carsEdmSet = model.EntityContainers().Single().FindEntitySet("cars");

            HttpConfiguration configuration = new HttpConfiguration();
            string routeName = "Route";
            configuration.Routes.MapODataRoute(routeName, null, model);

            HttpRequestMessage request = new HttpRequestMessage(HttpMethod.Get, "http://localhost");
            request.SetConfiguration(configuration);
            request.SetODataRouteName(routeName);

            // Act
            Uri link = ActionLinkGenerationConvention.GenerateActionLink(
                new EntityInstanceContext()
                {
                    EdmModel = model,
                    EntitySet = carsEdmSet,
                    EntityType = carsEdmSet.ElementType,
                    Url = request.GetUrlHelper(),
                    EntityInstance = new Car { Model = 2009, Name = "Accord" }
                },
                paintAction);

            Assert.Equal("http://localhost/cars(Model=2009,Name='Accord')/Paint", link.AbsoluteUri);
        }

        public void Apply_Doesnot_Override_UserConfiguration()
        {
            ODataConventionModelBuilder builder = new ODataConventionModelBuilder();
            var vehicles = builder.EntitySet<Vehicle>("vehicles");
            var car = builder.AddEntityType(typeof(Car));
            var paintAction = vehicles.EntityType.Action("Paint");
            paintAction.HasActionLink(ctxt => new Uri("http://localhost/ActionTestWorks"), followsConventions: false);
            ActionLinkGenerationConvention convention = new ActionLinkGenerationConvention();

            convention.Apply(paintAction, builder);

            IEdmModel model = builder.GetEdmModel();
            var vehiclesEdmSet = model.EntityContainer.FindEntitySet("vehicles");
            var carEdmType = model.FindDeclaredType("System.Web.OData.Builder.TestModels.Car") as IEdmEntityType;
            var paintEdmAction =
                model.GetAvailableProcedures(
                    model.FindDeclaredType("System.Web.OData.Builder.TestModels.Car") as IEdmEntityType).Single()
                as IEdmAction;
            Assert.NotNull(paintEdmAction);

            HttpConfiguration configuration = new HttpConfiguration();
            configuration.Routes.MapODataServiceRoute(model);

            HttpRequestMessage request = new HttpRequestMessage(HttpMethod.Get, "http://localhost");
            request.SetConfiguration(configuration);

            ActionLinkBuilder actionLinkBuilder = model.GetActionLinkBuilder(paintEdmAction);

            var serializerContext = new ODataSerializerContext { Model = model, NavigationSource = vehiclesEdmSet, Url = request.GetUrlHelper() };
            var entityContext = new EntityInstanceContext(serializerContext, carEdmType.AsReference(), new Car { Model = 2009, Name = "Contoso" });

            Uri link = actionLinkBuilder.BuildActionLink(entityContext);
            Assert.Equal("http://localhost/ActionTestWorks", link.AbsoluteUri);
        }

        public void GenerateActionLink_GeneratesLinkWithoutCast_IfEntitySetTypeMatchesActionEntityType()
        {
            ODataConventionModelBuilder builder = new ODataConventionModelBuilder();
            var cars = builder.EntitySet<Car>("cars");
            var paintAction = cars.EntityType.Action("Paint");

            IEdmModel model = builder.GetEdmModel();
            var carsEdmSet = model.EntityContainers().Single().FindEntitySet("cars");

            HttpConfiguration configuration = new HttpConfiguration();
            configuration.EnableOData(model);

            HttpRequestMessage request = new HttpRequestMessage(HttpMethod.Get, "http://localhost");
            request.Properties[HttpPropertyKeys.HttpConfigurationKey] = configuration;
            request.Properties[HttpPropertyKeys.HttpRouteDataKey] = new HttpRouteData(new HttpRoute());

            Uri link = ActionLinkGenerationConvention.GenerateActionLink(
                new EntityInstanceContext()
                {
                    EdmModel = model,
                    EntitySet = carsEdmSet,
                    EntityType = carsEdmSet.ElementType,
                    UrlHelper = request.GetUrlHelper(),
                    PathHandler = new DefaultODataPathHandler(model),
                    EntityInstance = new Car { Model = 2009, Name = "Accord" }
                },
                paintAction);

            Assert.Equal("http://localhost/cars(Model=2009,Name='Accord')/Paint", link.AbsoluteUri);
        }

        protected override Task<HttpResponseMessage> SendAsync(
            HttpRequestMessage request, 
            CancellationToken cancellationToken) {

            UrlHelper url = request.GetUrlHelper();
            ServiceDocument doc = new ServiceDocument();
            Workspace ws = new Workspace() {

                Title = new TextSyndicationContent("My Site"),
                BaseUri = new Uri(request.RequestUri.GetLeftPart(UriPartial.Authority))
            };

            ws.Collections.Add(GetPostsResourceCollectionInfo(url));
            ws.Collections.Add(GetMediaResourceCollectionInfo(url));
            doc.Workspaces.Add(ws);

            HttpResponseMessage response = request.CreateResponse(HttpStatusCode.OK);
            var formatter = new AtomPub10ServiceDocumentFormatter(doc);

            var stream = new MemoryStream();
            using (var writer = XmlWriter.Create(stream)) {
                formatter.WriteTo(writer);
            }

            stream.Position = 0;
            var content = new StreamContent(stream);
            response.Content = content;
            response.Content.Headers.ContentType = new MediaTypeHeaderValue("application/atomsvc+xml");

            return Task.FromResult(response);
        }

        private static Topic GenerateLinksForTopic(Topic topic, HttpRequestMessage request)
        {
            var routeData = request.GetRouteData();
            var controller = routeData.Values["controller"];
            var urlHelper = request.GetUrlHelper();

            topic.SelfLink = new Uri(urlHelper.Route("DefaultApi", new { controller = controller, id = topic.Id }), UriKind.Relative);

            if (topic.Comments != null && topic.Comments.Count > 0)
            {
                topic.Comments = new List<Comment>(topic.Comments.Select((cmt) =>
                {
                    cmt.SelfLink = new Uri(urlHelper.Route("DefaultApi", new { controller = controller, id = cmt.Id }), UriKind.Relative);
                    cmt.TopicLink = new Uri(urlHelper.Route("DefaultApi", new { controller = "topics", id = cmt.TopicId }), UriKind.Relative);

                    return cmt;
                }));
            }

            if (topic.Tags != null && topic.Tags.Count > 0)
            {
                topic.Tags = new List<Tag>(topic.Tags.Select((tag) =>
                {
                    tag.SelfLink = new Uri(urlHelper.Route("DefaultApi", new { controller = controller, tags = tag.Name }), UriKind.Relative);
                    return tag;
                }));
            }

            return topic;
        }

 protected override async System.Threading.Tasks.Task<HttpResponseMessage> SendAsync(HttpRequestMessage request, System.Threading.CancellationToken cancellationToken)
 {
     var resultsUri = request.GetUrlHelper().Link("Profiler", new { id = _profiler.Id });
     var response = await base.SendAsync(request, cancellationToken);
     response.Headers.Add(Constants.ProfilerResultsHeaderName, resultsUri);
     return response;
 }

        public void Convention_GeneratesUri_ForActionBoundToEntity()
        {
            // Arrange
            ODataConventionModelBuilder builder = new ODataConventionModelBuilder();
            builder.EntitySet<Customer>("Customers");
            var action = builder.EntityType<Customer>().Action("MyAction");
            action.Parameter<string>("param");
            IEdmModel model = builder.GetEdmModel();

            // Act
            HttpConfiguration configuration = new HttpConfiguration();
            configuration.MapODataServiceRoute("odata", "odata", model);

            HttpRequestMessage request = new HttpRequestMessage(HttpMethod.Get, "http://localhost:123");
            request.SetConfiguration(configuration);
            request.ODataProperties().RouteName = "odata";

            IEdmEntitySet customers = model.EntityContainer.FindEntitySet("Customers");
            var edmType = model.SchemaElements.OfType<IEdmEntityType>().First(e => e.Name == "Customer");
            var serializerContext = new ODataSerializerContext { Model = model, NavigationSource = customers, Url = request.GetUrlHelper() };
            var entityContext = new EntityInstanceContext(serializerContext, edmType.AsReference(), new Customer { Id = 109 });

            // Assert
            var edmAction = model.SchemaElements.OfType<IEdmAction>().First(f => f.Name == "MyAction");
            Assert.NotNull(edmAction);

            ActionLinkBuilder actionLinkBuilder = model.GetActionLinkBuilder(edmAction);
            Uri link = actionLinkBuilder.BuildActionLink(entityContext);

            Assert.Equal("http://localhost:123/odata/Customers(109)/Default.MyAction", link.AbsoluteUri);
        }

 public EmbeddedHtmlResult(HttpRequestMessage request, string file, OAuth2Configuration oauthConfig = null)
 {
     this.path = request.GetOwinContext().Request.PathBase.Value;
     this.file = file;
     this.oauthConfig = oauthConfig;
     if (oauthConfig != null && oauthConfig.AutomaticallyRenewToken)
     {
         this.frameCallbackUrl = request.GetUrlHelper().Link(Constants.RouteNames.OAuthFrameCallback, null);
     }
 }

        public void GenerateActionLink_GeneratesLinkWithoutCast_IfEntitySetTypeMatchesActionEntityType()
        {
            ODataConventionModelBuilder builder = new ODataConventionModelBuilder();
            var cars = builder.EntitySet<Car>("cars");
            var paintAction = cars.EntityType.Action("Paint");

            IEdmModel model = builder.GetEdmModel();
            var carsEdmSet = model.EntityContainers().Single().FindEntitySet("cars");

            HttpConfiguration configuration = new HttpConfiguration();
            configuration.Routes.MapHttpRoute(ODataRouteNames.InvokeBoundAction, "{controller}({boundId})/{odataAction}");

            HttpRequestMessage request = new HttpRequestMessage(HttpMethod.Get, "http://localhost");
            request.Properties[HttpPropertyKeys.HttpConfigurationKey] = configuration;
            request.Properties[HttpPropertyKeys.HttpRouteDataKey] = new HttpRouteData(new HttpRoute());

            Uri link = ActionLinkGenerationConvention.GenerateActionLink(
                new EntityInstanceContext(model, carsEdmSet, carsEdmSet.ElementType, request.GetUrlHelper(), new Car { Model = 2009, Name = "Accord" }),
                paintAction);

            Assert.Equal("http://localhost/cars(Model=2009,Name='Accord')/Paint", link.AbsoluteUri);
        }

        public void GenerateActionLink_GeneratesLinkWithCast_IfEntitySetTypeDoesnotMatchActionEntityType()
        {
            ODataConventionModelBuilder builder = new ODataConventionModelBuilder();
            var vehicles = builder.EntitySet<Vehicle>("vehicles");
            var car = builder.Entity<Car>();
            var paintAction = car.Action("Paint");

            IEdmModel model = builder.GetEdmModel();
            var vehiclesEdmSet = model.EntityContainers().Single().FindEntitySet("vehicles");
            var carEdmType = model.FindDeclaredType("System.Web.Http.OData.Builder.TestModels.Car") as IEdmEntityType;

            HttpConfiguration configuration = new HttpConfiguration();
            configuration.Routes.MapHttpRoute(ODataRouteNames.InvokeBoundActionWithCast, "{controller}({boundId})/{entityType}/{odataAction}");

            HttpRequestMessage request = new HttpRequestMessage(HttpMethod.Get, "http://localhost");
            request.Properties[HttpPropertyKeys.HttpConfigurationKey] = configuration;
            request.Properties[HttpPropertyKeys.HttpRouteDataKey] = new HttpRouteData(new HttpRoute());

            Uri link = ActionLinkGenerationConvention.GenerateActionLink(
                new EntityInstanceContext(model, vehiclesEdmSet, carEdmType, request.GetUrlHelper(), new Car { Model = 2009, Name = "Accord" }),
                paintAction);

            Assert.Equal("http://localhost/vehicles(Model=2009,Name='Accord')/System.Web.Http.OData.Builder.TestModels.Car/Paint", link.AbsoluteUri);
        }

        public void GenerateActionLink_GeneratesLinkWithoutCast_IfEntitySetTypeDerivesFromActionEntityType()
        {
            ODataConventionModelBuilder builder = new ODataConventionModelBuilder();
            var cars = builder.EntitySet<Car>("cars");
            var paintAction = builder.Entity<Vehicle>().Action("Paint");

            IEdmModel model = builder.GetEdmModel();
            var carsEdmSet = model.EntityContainers().Single().FindEntitySet("cars");

            HttpConfiguration configuration = new HttpConfiguration();
            string routeName = "Route";
            configuration.Routes.MapODataRoute(routeName, null, model);

            HttpRequestMessage request = new HttpRequestMessage(HttpMethod.Get, "http://localhost");
            request.SetConfiguration(configuration);
            request.SetODataRouteName(routeName);

            var serializerContext = new ODataSerializerContext { Model = model, EntitySet = carsEdmSet, Url = request.GetUrlHelper() };
            var entityContext = new EntityInstanceContext(serializerContext, carsEdmSet.ElementType.AsReference(), new Car { Model = 2009, Name = "Accord" });

            Uri link = ActionLinkGenerationConvention.GenerateActionLink(entityContext, paintAction);

            Assert.Equal("http://localhost/cars(Model=2009,Name='Accord')/Paint", link.AbsoluteUri);
        }

        public void NavigationLinksGenerationConvention_GeneratesLinksWithCast_ForDerivedProperties()
        {
            ODataConventionModelBuilder builder = new ODataConventionModelBuilder();
            builder.EntitySet<Vehicle>("vehicles");
            builder.EntitySet<Manufacturer>("manufacturers");

            IEdmModel model = builder.GetEdmModel();
            IEdmEntitySet vehiclesEdmEntitySet = model.EntityContainer.FindEntitySet("vehicles");
            IEdmEntityType carType = model.AssertHasEntityType(typeof(Car));
            IEdmNavigationProperty carManufacturerProperty = carType.AssertHasNavigationProperty(model, "Manufacturer", typeof(CarManufacturer), isNullable: true, multiplicity: EdmMultiplicity.ZeroOrOne);

            HttpConfiguration configuration = new HttpConfiguration();
            string routeName = "Route";
            configuration.Routes.MapODataServiceRoute(routeName, null, model);

            HttpRequestMessage request = new HttpRequestMessage(HttpMethod.Get, "http://localhost");
            request.SetConfiguration(configuration);
            request.ODataProperties().RouteName = routeName;

            NavigationSourceLinkBuilderAnnotation linkBuilder = model.GetNavigationSourceLinkBuilder(vehiclesEdmEntitySet);

            var serializerContext = new ODataSerializerContext { Model = model, NavigationSource = vehiclesEdmEntitySet, Url = request.GetUrlHelper() };
            var entityContext = new EntityInstanceContext(serializerContext, carType.AsReference(), new Car { Model = 2009, Name = "Accord" });

            Uri uri = linkBuilder.BuildNavigationLink(entityContext, carManufacturerProperty, ODataMetadataLevel.Default);

            Assert.Equal("http://localhost/vehicles(Model=2009,Name='Accord')/System.Web.OData.Builder.TestModels.Car/Manufacturer", uri.AbsoluteUri);
        }

        public void SelfLinksGenerationConvention_Throws_If_RouteInCorrect()
        {
            ODataConventionModelBuilder builder = new ODataConventionModelBuilder();
            var motorcycles = builder.EntitySet<Motorcycle>("motorcycles");

            IEdmModel model = builder.GetEdmModel();
            IEdmEntitySet vehiclesEdmEntitySet = model.EntityContainers().Single().EntitySets().Single();
            IEdmEntityType sportbikeType = model.AssertHasEntityType(typeof(SportBike));

            HttpConfiguration configuration = new HttpConfiguration();
            configuration.Routes.MapHttpRoute(ODataRouteNames.GetById, "{Cntroller}({id})");

            HttpRequestMessage request = new HttpRequestMessage(HttpMethod.Get, "http://localhost");
            request.Properties[HttpPropertyKeys.HttpConfigurationKey] = configuration;
            request.Properties[HttpPropertyKeys.HttpRouteDataKey] = new HttpRouteData(new HttpRoute());

            IEntitySetLinkBuilder linkBuilder = model.GetEntitySetLinkBuilder(vehiclesEdmEntitySet);

            Assert.Throws<InvalidOperationException>(
                () => linkBuilder.BuildEditLink(new EntityInstanceContext(model, vehiclesEdmEntitySet, sportbikeType, request.GetUrlHelper(), new SportBike { Model = 2009, Name = "Ninja" })),
                "EditLink generation failed. Check that you have the 'OData.GetById' route correctly registered.");
        }

        public void NavigationLinksGenerationConvention_GeneratesLinksWithoutCast_ForBaseProperties()
        {
            ODataConventionModelBuilder builder = new ODataConventionModelBuilder();
            builder.EntitySet<SportBike>("vehicles");
            builder.EntitySet<Manufacturer>("manufacturers");

            IEdmModel model = builder.GetEdmModel();
            IEdmEntitySet vehiclesEdmEntitySet = model.EntityContainer.FindEntitySet("vehicles");
            IEdmEntityType sportbikeType = model.AssertHasEntityType(typeof(SportBike));
            IEdmNavigationProperty motorcycleManufacturerProperty = sportbikeType.AssertHasNavigationProperty(model, "Manufacturer", typeof(MotorcycleManufacturer), isNullable: true, multiplicity: EdmMultiplicity.ZeroOrOne);

            HttpConfiguration configuration = new HttpConfiguration();
            string routeName = "Route";
            configuration.MapODataServiceRoute(routeName, null, model);

            HttpRequestMessage request = new HttpRequestMessage(HttpMethod.Get, "http://localhost");
            request.SetConfiguration(configuration);
            request.ODataProperties().RouteName = routeName;

            NavigationSourceLinkBuilderAnnotation linkBuilder = model.GetNavigationSourceLinkBuilder(vehiclesEdmEntitySet);

            var serializerContext = new ODataSerializerContext { Model = model, NavigationSource = vehiclesEdmEntitySet, Url = request.GetUrlHelper() };
            var entityContext = new EntityInstanceContext(serializerContext, sportbikeType.AsReference(), new SportBike { Model = 2009, Name = "Ninja" });

            Uri uri = linkBuilder.BuildNavigationLink(entityContext, motorcycleManufacturerProperty, ODataMetadataLevel.FullMetadata);

            Assert.Equal("http://localhost/vehicles(Model=2009,Name='Ninja')/Manufacturer", uri.AbsoluteUri);
        }