DsJian.Mvc/MvcXmlRouting/RouteCollectionExtensions.cs

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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Web.Routing;
using System.Web.Mvc;
using System.Collections.Specialized;

namespace DsJian.Mvc.MvcXmlRouting
{
    public static class RouteCollectionExtensions
    {
        public static void MapRouteFromXml(
            this System.Web.Routing.RouteCollection routes, 
            MvcRouteConfigurationSection section,
            string pagePrefix)
        {
            // Manipulate the Ignore List
            foreach(IgnoreItem ignoreItem in section.Ignore)
            {
                RouteValueDictionary ignoreConstraints = new RouteValueDictionary();

                foreach (Constraint constraint in ignoreItem.Constraints)
                    ignoreConstraints.Add(constraint.Name, constraint.Value);

                IgnoreRoute(routes, ignoreItem.Url, ignoreConstraints);
            }

            // Manipluate the Routing Table
            foreach (RoutingItem routingItem in section.Map)
            {
                RouteValueDictionary defaults = new RouteValueDictionary();
                RouteValueDictionary constraints = new RouteValueDictionary();

                if (routingItem.Controller != string.Empty)
                    defaults.Add("controller", routingItem.Controller);

                if (routingItem.Action != string.Empty)
                    defaults.Add("action", routingItem.Action);

                foreach (Parameter param in routingItem.Paramaters)
                {
                    defaults.Add(param.Name, param.Value);
                    if (!string.IsNullOrEmpty(param.ConstraintClass))
                    {
                        object constraintObj = Activator.CreateInstance(Type.GetType(param.ConstraintClass));
                        constraints.Add(param.Name, constraintObj);
                    }
                    else if (!string.IsNullOrEmpty(param.Constraint))
                    {
                        constraints.Add(param.Name, param.Constraint);
                    }
                }

                MapRoute(routes, routingItem.Name, routingItem.Url, defaults, constraints, pagePrefix);
            }
        }

        public static void IgnoreRoute
            (RouteCollection routes, string url, RouteValueDictionary constraints)