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NamespaceHttpControllerSelector.cs

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using System;

using System.Collections.Generic;

using System.Linq;

using System.Net;

using System.Net.Http;

using System.Web.Http;

using System.Web.Http.Controllers;

using System.Web.Http.Dispatcher;

using System.Web.Http.Routing;

namespace SiteServer.API

{

public class NamespaceHttpControllerSelector : IHttpControllerSelector

{

private readonly HttpConfiguration _configuration;

private readonly Lazy<Dictionary<string, HttpControllerDescriptor>> _controllers;

public NamespaceHttpControllerSelector(HttpConfiguration config)

{

_configuration = config;

_controllers = new Lazy<Dictionary<string, HttpControllerDescriptor>>(InitializeControllerDictionary);

}

private Dictionary<string, HttpControllerDescriptor> InitializeControllerDictionary()

{

var dictionary = new Dictionary<string, HttpControllerDescriptor>(StringComparer.OrdinalIgnoreCase);

var assembliesResolver = _configuration.Services.GetAssembliesResolver();

var controllersResolver = _configuration.Services.GetHttpControllerTypeResolver();

var controllerTypes = controllersResolver.GetControllerTypes(assembliesResolver);

foreach (var t in controllerTypes)

{

dictionary[$"{t.Namespace}.{t.Name}"] = new HttpControllerDescriptor(_configuration, t.Name, t);

}

return dictionary;

}

public HttpControllerDescriptor SelectController(HttpRequestMessage request)

{

var attributedRoutesData = request.GetRouteData().GetSubRoutes();

var subRouteData = attributedRoutesData.FirstOrDefault();

if (subRouteData != null)

{

return ((HttpActionDescriptor[]) subRouteData.Route.DataTokens["actions"])[0].ControllerDescriptor;

//var controllerType = ((HttpActionDescriptor[])subRouteData.Route.DataTokens["actions"])[0].ControllerDescriptor.ControllerType;

//if (_controllers.Value.TryGetValue($"{controllerType.Namespace}.{controllerType.Name}",

// out var controllerDescriptor))

//{

// return controllerDescriptor;

//}

}

throw new HttpResponseException(HttpStatusCode.NotFound);

}

public IDictionary<string, HttpControllerDescriptor> GetControllerMapping()

{

return _controllers.Value;

}

}

}