2 // UrlRoutingHandler.cs
5 // Atsushi Enomoto <atsushi@ximian.com>
7 // Copyright (C) 2008-2010 Novell Inc. http://novell.com
11 // Permission is hereby granted, free of charge, to any person obtaining
12 // a copy of this software and associated documentation files (the
13 // "Software"), to deal in the Software without restriction, including
14 // without limitation the rights to use, copy, modify, merge, publish,
15 // distribute, sublicense, and/or sell copies of the Software, and to
16 // permit persons to whom the Software is furnished to do so, subject to
17 // the following conditions:
19 // The above copyright notice and this permission notice shall be
20 // included in all copies or substantial portions of the Software.
22 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
23 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
24 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
25 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
26 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
27 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
28 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
31 using System.Runtime.CompilerServices;
32 using System.Security.Permissions;
35 namespace System.Web.Routing
37 [TypeForwardedFrom ("System.Web.Routing, Version=3.5.0.0, Culture=Neutral, PublicKeyToken=31bf3856ad364e35")]
38 [AspNetHostingPermission (SecurityAction.LinkDemand, Level = AspNetHostingPermissionLevel.Minimal)]
39 [AspNetHostingPermission (SecurityAction.InheritanceDemand, Level = AspNetHostingPermissionLevel.Minimal)]
40 public abstract class UrlRoutingHandler : IHttpHandler
42 RouteCollection routes;
44 bool IHttpHandler.IsReusable {
45 get { return IsReusable; }
48 protected virtual bool IsReusable { get { return false; } }
50 public RouteCollection RouteCollection {
53 routes = RouteTable.Routes;
56 set { routes = value; }
59 void IHttpHandler.ProcessRequest (HttpContext context)
61 ProcessRequest (context);
64 protected virtual void ProcessRequest (HttpContext httpContext)
66 ProcessRequest (new HttpContextWrapper (httpContext));
69 protected virtual void ProcessRequest (HttpContextBase httpContext)
71 if (httpContext == null)
72 throw new ArgumentNullException ("httpContext");
74 var rd = RouteCollection.GetRouteData (httpContext);
76 throw new HttpException ("The incoming request does not match any route");
77 if (rd.RouteHandler == null)
78 throw new InvalidOperationException ("No IRouteHandler is assigned to the selected route");
80 RequestContext rc = new RequestContext (httpContext, rd);
82 var hh = rd.RouteHandler.GetHttpHandler (rc);
83 VerifyAndProcessRequest (hh, httpContext);
86 protected abstract void VerifyAndProcessRequest (IHttpHandler httpHandler, HttpContextBase httpContext);