protected virtual string CreateCacheKey(ActionExecutionContext context)
{
StringBuilder sb = new StringBuilder();
sb.Append(context.Action.Method.ReflectedType.FullName)
.Append("::").Append(ActionMethodSelector.GetNameOrAlias(context.Action.Method));
sb.Append("=>{");
IEnumerable <string> collection = (_matchAnyKey) ?
(IEnumerable <string>)context.Context.Parameters.Keys : _keys;
foreach (string key in collection)
{
sb.Append(CreateParameterKey(context.Context.Parameters, key));
}
if (_varyByUser)
{
sb.Append("[UserIdentity=").Append(GetUserIdentity(context.HttpContext)).Append("]");
}
sb.Append("}");
return(FormsAuthentication.HashPasswordForStoringInConfigFile(sb.ToString(), "MD5"));
}
protected ActionResult Route <TController>(string routeName,
Expression <Action <TController> > action, string suffix)
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");
}
ValueDictionary values = LinqHelper.ExtractArgumentsToDictionary(mexp);
values = (values != null) ? values : new ValueDictionary();
values["controller"] = typeof(TController).Name;
values["action"] = ActionMethodSelector.GetNameOrAlias(mexp.Method);
return(Route(routeName, values, suffix));
}
/// <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)));
}
protected virtual void Include <TController>(Expression <Action <TController> > action)
where TController : Controller
{
MethodCallExpression mce = (action.Body as MethodCallExpression);
Precondition.Require(mce, () => Error.ExpressionMustBeAMethodCall("action"));
Precondition.Require(mce.Object == action.Parameters[0],
() => Error.MethodCallMustTargetLambdaArgument("action"));
Include(typeof(TController).Name,
ActionMethodSelector.GetNameOrAlias(mce.Method),
LinqHelper.ExtractArgumentsToDictionary(mce));
}
public static Route MapRoute <TController>(this RouteCollection routes,
string key, string url, Expression <Action <TController> > action,
object tokens, params IRouteConstraint[] constraints)
where TController : IController
{
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;
constraints = constraints ?? new IRouteConstraint[0];
Route route = new Route(url, defaults, constraints,
new ValueDictionary(tokens), new MvcRouteHandler());
routes.Add(key, route);
return(route);
}