GetRouteDataForPath: GetRouteData for a given path/URL (ASP.NET MVC)

RouteUtils.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.Routing;

public static class RouteUtils
{
    /// <summary>
    /// e.g. <code>var routeData = RouteTable.Routes.GetRouteDataForPath("~/foo/bar");</code>
    /// </summary>
    /// <param name="routes"></param>
    /// <param name="appRelativePath">e.g. "~/foo/bar"</param>
    public static RouteData GetRouteDataForPath(this RouteCollection routes, string appRelativePath)
    {
        return routes.GetRouteData(new MockContext(appRelativePath));
    }

    class MockContext : HttpContextBase
    {
        HttpRequestBase _request;

        public MockContext(string appRelativePath)
        {
            _request = new MockRequest(appRelativePath);
        }

        public override HttpRequestBase Request
        {
            get { return _request; }
        }

        class MockRequest : HttpRequestBase
        {
            string _appRelativePath;

            public MockRequest(string appRelativeUrl)
            {
                _appRelativePath = appRelativeUrl;
            }

            public override string AppRelativeCurrentExecutionFilePath
            {
                get { return _appRelativePath; }
            }

            public override string PathInfo
            {
                get { return ""; }
            }
        }
    }
}