Http Module to write Route 'pattern' to server_variables

RestfulRouteModule.cs

using System;
using System.Diagnostics;
using System.Web;
using System.Web.Routing;
using YourApp.Infrastructure.Framework;

namespace YourApp.Web.UI
{
    public class RestfulRouteModule : IHttpModule
    {
        public void Init(HttpApplication context)
        {
            context.LogRequest+= new EventHandler(context_LogRequest);
        }

        void context_LogRequest(object sender, EventArgs e)
        {
            HttpApplication app = (HttpApplication)sender;
            HttpContext context = app.Context;
            context.Request.ServerVariables["ROUTE_PATTERN"] = context.Request.RequestContext.RouteData.Route.IsNotNull() ? ((Route)context.Request.RequestContext.RouteData.Route).Url : context.Request.Url.LocalPath;
        }

        public void Dispose()
        {
        }
    }
}