class/System.Web.Mvc/System.Web.Mvc/RedirectToRouteResult.cs

   1 /* ****************************************************************************
   2  *
   3  * Copyright (c) Microsoft Corporation. All rights reserved.
   4  *
   5  * This software is subject to the Microsoft Public License (Ms-PL).
   6  * A copy of the license can be found in the license.htm file included
   7  * in this distribution.
   8  *
   9  * You must not remove this notice, or any other, from this software.
  10  *
  11  * ***************************************************************************/
  12
  13 namespace System.Web.Mvc {
  14     using System;
  15     using System.Web.Mvc.Resources;
  16     using System.Web.Routing;
  17
  18     // represents a result that performs a redirection given some values dictionary
  19     public class RedirectToRouteResult : ActionResult {
  20
  21         private RouteCollection _routes;
  22
  23         public RedirectToRouteResult(RouteValueDictionary routeValues) :
  24             this(null, routeValues) {
  25         }
  26
  27         public RedirectToRouteResult(string routeName, RouteValueDictionary routeValues) {
  28             RouteName = routeName ?? String.Empty;
  29             RouteValues = routeValues ?? new RouteValueDictionary();
  30         }
  31
  32         public string RouteName {
  33             get;
  34             private set;
  35         }
  36
  37         public RouteValueDictionary RouteValues {
  38             get;
  39             private set;
  40         }
  41
  42         internal RouteCollection Routes {
  43             get {
  44                 if (_routes == null) {
  45                     _routes = RouteTable.Routes;
  46                 }
  47                 return _routes;
  48             }
  49             set {
  50                 _routes = value;
  51             }
  52         }
  53
  54         public override void ExecuteResult(ControllerContext context) {
  55             if (context == null) {
  56                 throw new ArgumentNullException("context");
  57             }
  58
  59             string destinationUrl = UrlHelper.GenerateUrl(RouteName, null /* actionName */, null /* controllerName */, RouteValues, Routes, context.RequestContext, false /* includeImplicitMvcValues */);
  60             if (String.IsNullOrEmpty(destinationUrl)) {
  61                 throw new InvalidOperationException(MvcResources.ActionRedirectResult_NoRouteMatched);
  62             }
  63
  64             context.HttpContext.Response.Redirect(destinationUrl, false /* endResponse */);
  65         }
  66     }
  67 }