/// <summary>
/// Gets the specified parameter from the RouteData object of the specified url.
/// </summary>
/// <param name="uri">An Uri object containing the url.</param>
/// <param name="httpContext">The current HttpContext.</param>
/// <param name="parameterName">The name of parameter to fetch from the RouteValueDictionary.</param>
/// <returns>A string if the specified value was found in the RouteValueDictionary; otherwise, null.</returns>
public static string GetRouteParameterValue(this Uri uri, HttpContextBase httpContext, string parameterName)
{
if (uri == null)
{
return string.Empty;
}
if (httpContext == null)
{
return string.Empty;
}
var routeInfo = new RouteInfo(uri, httpContext.Request.ApplicationPath);
return routeInfo.RouteData.Values[parameterName] != null
? routeInfo.RouteData.Values[parameterName].ToString()
: string.Empty;
}
/// <summary>
/// Determines whether the specified url matches the specified controller and action values based on the MVC routing table.
/// </summary>
/// <param name="uri">An Uri object containing the url.</param>
/// <param name="httpContext">The current HttpContext.</param>
/// <param name="controllerName">The name of the controller class to match.</param>
/// <param name="actionName">The name of the action method to match.</param>
/// <returns>true if the specified url is mapped to the specified controller and action; otherwise, false.</returns>
public static bool IsRouteMatch(this Uri uri, HttpContextBase httpContext, string controllerName, string actionName)
{
if (uri == null)
{
return false;
}
if (httpContext == null)
{
return false;
}
if (uri.DnsSafeHost != httpContext.Request.Url.DnsSafeHost)
{
// It's a remote url.
return false;
}
var routeInfo = new RouteInfo(uri, httpContext.Request.ApplicationPath);
if (routeInfo.RouteData == null)
{
return false;
}
if (!routeInfo.RouteData.Values.ContainsKey("controller"))
{
return false;
}
if (!routeInfo.RouteData.Values.ContainsKey("action"))
{
return false;
}
return routeInfo.RouteData.Values["controller"].ToString() == controllerName &&
routeInfo.RouteData.Values["action"].ToString() == actionName;
}
