56 lines
2.4 KiB
C#
56 lines
2.4 KiB
C#
// Copyright (c) Microsoft Corporation. All rights reserved. See License.txt in the project root for license information.
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using System.Collections.Generic;
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using System.Linq;
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using System.Net.Http;
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using System.Web.Http.Controllers;
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using System.Web.Http.Routing;
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namespace System.Web.Http
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{
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public class ApiControllerHelper
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{
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public static HttpActionDescriptor SelectAction(HttpControllerContext controllerContext)
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{
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ApiControllerActionSelector selector = new ApiControllerActionSelector();
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HttpActionDescriptor descriptor = selector.SelectAction(controllerContext);
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return descriptor;
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}
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public static HttpControllerContext CreateControllerContext(string httpMethod, string requestUrl, string routeUrl, object routeDefault = null)
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{
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string baseAddress = "http://localhost/";
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HttpConfiguration config = new HttpConfiguration();
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HttpRoute route = routeDefault != null ? new HttpRoute(routeUrl, new HttpRouteValueDictionary(routeDefault)) : new HttpRoute(routeUrl);
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config.Routes.Add("test", route);
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HttpRequestMessage request = new HttpRequestMessage(HttpMethodHelper.GetHttpMethod(httpMethod), baseAddress + requestUrl);
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IHttpRouteData routeData = config.Routes.GetRouteData(request);
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if (routeData == null)
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{
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throw new InvalidOperationException("Could not dispatch to controller based on the route.");
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}
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RemoveOptionalRoutingParameters(routeData.Values);
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HttpControllerContext controllerContext = ContextUtil.CreateControllerContext(config, routeData, request);
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return controllerContext;
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}
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private static void RemoveOptionalRoutingParameters(IDictionary<string, object> routeValueDictionary)
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{
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// Get all keys for which the corresponding value is 'Optional'.
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// ToArray() necessary so that we don't manipulate the dictionary while enumerating.
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string[] matchingKeys = (from entry in routeValueDictionary
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where entry.Value == RouteParameter.Optional
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select entry.Key).ToArray();
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foreach (string key in matchingKeys)
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{
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routeValueDictionary.Remove(key);
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}
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}
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}
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}
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