mcs/class/System.Web.Mvc3/Mvc/RedirectToRouteResult.cs

   1 namespace System.Web.Mvc {
   2     using System;
   3     using System.Web.Mvc.Resources;
   4     using System.Web.Routing;
   5
   6     // represents a result that performs a redirection given some values dictionary
   7     public class RedirectToRouteResult : ActionResult {
   8
   9         private RouteCollection _routes;
  10
  11         public RedirectToRouteResult(RouteValueDictionary routeValues) :
  12             this(null, routeValues) {
  13         }
  14
  15         public RedirectToRouteResult(string routeName, RouteValueDictionary routeValues)
  16             : this(routeName, routeValues, permanent: false) {
  17         }
  18
  19         public RedirectToRouteResult(string routeName, RouteValueDictionary routeValues, bool permanent) {
  20             Permanent = permanent;
  21             RouteName = routeName ?? String.Empty;
  22             RouteValues = routeValues ?? new RouteValueDictionary();
  23         }
  24
  25         public bool Permanent {
  26             get;
  27             private set;
  28         }
  29
  30         public string RouteName {
  31             get;
  32             private set;
  33         }
  34
  35         public RouteValueDictionary RouteValues {
  36             get;
  37             private set;
  38         }
  39
  40         internal RouteCollection Routes {
  41             get {
  42                 if (_routes == null) {
  43                     _routes = RouteTable.Routes;
  44                 }
  45                 return _routes;
  46             }
  47             set {
  48                 _routes = value;
  49             }
  50         }
  51
  52         public override void ExecuteResult(ControllerContext context) {
  53             if (context == null) {
  54                 throw new ArgumentNullException("context");
  55             }
  56             if (context.IsChildAction) {
  57                 throw new InvalidOperationException(MvcResources.RedirectAction_CannotRedirectInChildAction);
  58             }
  59
  60             string destinationUrl = UrlHelper.GenerateUrl(RouteName, null /* actionName */, null /* controllerName */, RouteValues, Routes, context.RequestContext, false /* includeImplicitMvcValues */);
  61             if (String.IsNullOrEmpty(destinationUrl)) {
  62                 throw new InvalidOperationException(MvcResources.Common_NoRouteMatched);
  63             }
  64
  65             context.Controller.TempData.Keep();
  66
  67             if (Permanent) {
  68                 context.HttpContext.Response.RedirectPermanent(destinationUrl, endResponse: false);
  69             }
  70             else {
  71                 context.HttpContext.Response.Redirect(destinationUrl, endResponse: false);
  72             }
  73         }
  74
  75     }
  76 }