ASP.NET路由系统实现原理：HttpHandler的动态映射(4)

   9:         this.UriTemplate = new UriTemplate(template);
  10:         this.RouteHandler = new PageRouteHandler(physicalPath);
  11:         if (null != dataTokens)
  12:         {
  13:             this.DataTokens = new RouteValueDictionary(dataTokens);
  14:         }
  15:         else
  16:         {
  17:             this.DataTokens = new RouteValueDictionary();
  18:         }
  19:     }
  20:     public override RouteData GetRouteData(HttpContextBase httpContext)
  21:     {
  22:         Uri uri = httpContext.Request.Url;
  23:         Uri baseAddress = new Uri(string.Format("{0}://{1}", uri.Scheme, uri.Authority));
  24:         UriTemplateMatch match = this.UriTemplate.Match(baseAddress, uri);
  25:         if (null == match)
  26:         {
  27:             return null;
  28:         }
  29:         RouteData routeData = new RouteData();
  30:         routeData.RouteHandler = this.RouteHandler;
  31:         routeData.Route = this;
  32:         foreach (string name in match.BoundVariables.Keys)
  33:         {
  34:             routeData.Values.Add(name,match.BoundVariables[name]);
  35:         }
  36:         foreach (var token in this.DataTokens)
  37:         {
  38:             routeData.DataTokens.Add(token.Key, token.Value);
  39:         }
  40:         return routeData;
  41:     }
  42:     public override VirtualPathData GetVirtualPath(RequestContext requestContext, RouteValueDictionary values)