private static List <MethodInfo> RunSelectionFilters(ControllerContext controllerContext, List <MethodInfo> methodInfos)
{
// remove all methods which are opting out of this request
// to opt out, at least one attribute defined on the method must return false
List <MethodInfo> matchesWithSelectionAttributes = new List <MethodInfo>();
List <MethodInfo> matchesWithoutSelectionAttributes = new List <MethodInfo>();
foreach (MethodInfo methodInfo in methodInfos)
{
ICollection <ActionMethodSelectorAttribute> attrs = ReflectedAttributeCache.GetActionMethodSelectorAttributes(methodInfo);
if (attrs.Count == 0)
{
matchesWithoutSelectionAttributes.Add(methodInfo);
}
else if (attrs.All(attr => attr.IsValidForRequest(controllerContext, methodInfo)))
{
matchesWithSelectionAttributes.Add(methodInfo);
}
}
// if a matching action method had a selection attribute, consider it more specific than a matching action method
// without a selection attribute
return((matchesWithSelectionAttributes.Count > 0) ? matchesWithSelectionAttributes : matchesWithoutSelectionAttributes);
}
public override IEnumerable <FilterAttribute> GetFilterAttributes(bool useCache)
{
if (useCache && GetType() == typeof(TaskAsyncActionDescriptor))
{
// Do not look at cache in types derived from this type because they might incorrectly implement GetCustomAttributes
return(ReflectedAttributeCache.GetMethodFilterAttributes(TaskMethodInfo));
}
return(base.GetFilterAttributes(useCache));
}
internal override IEnumerable <FilterAttribute> GetFilterAttributes(bool useCache)
{
if (useCache && GetType() == typeof(ReflectedAsyncControllerDescriptor))
{
// Do not look at cache in types derived from this type because they might incorrectly implement GetCustomAttributes
return(ReflectedAttributeCache.GetTypeFilterAttributes(ControllerType));
}
return(base.GetFilterAttributes(useCache));
}
internal List <MethodInfo> GetMatchingAliasedMethods(ControllerContext controllerContext, string actionName)
{
// find all aliased methods which are opting in to this request
// to opt in, all attributes defined on the method must return true
var methods = from methodInfo in AliasedMethods
let attrs = ReflectedAttributeCache.GetActionNameSelectorAttributes(methodInfo)
where attrs.All(attr => attr.IsValidName(controllerContext, actionName, methodInfo))
select methodInfo;
return(methods.ToList());
}
