/// <summary>
/// Convenience method used to generate a link
/// using Routing to determine the virtual path.
/// </summary>
/// <param name="routeKey">The name of the route, if any.</param>
/// <param name="action">The action with parameters.</param>
/// <typeparam name="TController">The type of the controller.</typeparam>
public virtual string Route <TController>(string routeKey,
Expression <Action <TController> > action)
where TController : IController
{
Precondition.Require(action, () => Error.ArgumentNull("action"));
MethodCallExpression mexp = (action.Body as MethodCallExpression);
if (mexp == null)
{
throw Error.ExpressionMustBeAMethodCall("action");
}
if (mexp.Object != action.Parameters[0])
{
throw Error.MethodCallMustTargetLambdaArgument("action");
}
string actionName = ActionMethodSelector.GetNameOrAlias(mexp.Method);
string controllerName = typeof(TController).Name;
ValueDictionary rvd = LinqHelper.ExtractArgumentsToDictionary(mexp);
rvd = (rvd != null) ? rvd : new ValueDictionary();
return(HttpUtility.HtmlAttributeEncode(GenerateUrl(routeKey, controllerName, actionName, rvd)));
}
public static Route MapAsyncRoute <TController>(this RouteCollection routes,
string key, string url, Expression <Action <TController> > action,
params IRouteConstraint[] constraints)
where TController : IAsyncController
{
Precondition.Require(routes, () => Error.ArgumentNull("routes"));
Precondition.Require(url, () => Error.ArgumentNull("url"));
MethodCallExpression mexp = (action.Body as MethodCallExpression);
if (mexp == null)
{
throw Error.ExpressionMustBeAMethodCall("action");
}
if (mexp.Object != action.Parameters[0])
{
throw Error.MethodCallMustTargetLambdaArgument("action");
}
string actionName = ActionMethodSelector.GetNameOrAlias(mexp.Method);
string controllerName = typeof(TController).Name;
ValueDictionary defaults = LinqHelper.ExtractArgumentsToDictionary(mexp);
if (defaults == null)
{
defaults = new ValueDictionary();
}
defaults["controller"] = controllerName;
defaults["action"] = actionName;
Route route = (constraints == null) ?
new Route(url, defaults, constraints, new MvcAsyncRouteHandler()) :
new Route(url, defaults, new MvcAsyncRouteHandler());
routes.Add(key, route);
return(route);
}