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Filter discovery

This commit is contained in:
Yishai Galatzer 2014-03-03 01:49:55 -08:00
parent 4d90d590a9
commit 1783a06dc0
1 changed files with 21 additions and 21 deletions
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42
src/Microsoft.AspNet.Mvc.Core/ReflectedActionDescriptorProvider.cs
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@ -43,8 +43,8 @@ namespace Microsoft.AspNet.Mvc
foreach (var cd in controllerDescriptors)
{
var controllerAttributes = cd.ControllerTypeInfo.GetCustomAttributes(inherit: true).ToArray();
var filtersFromController = GetOrderedFilterAttributes(controllerAttributes);
var controllerFilters = GetOrderedFilterAttributes(cd.ControllerTypeInfo);
bool allowAnonymous = IsAnonymous(controllerAttributes);
@ -59,24 +59,24 @@ namespace Microsoft.AspNet.Mvc
foreach (var actionInfo in actionInfos)
{
yield return BuildDescriptor(cd, methodInfo, actionInfo, filtersFromController, allowAnonymous);
yield return BuildDescriptor(cd, methodInfo, actionInfo, controllerFilters);
}
}
}
}
private bool IsAnonymous(object[] attributes)
{
return attributes.OfType<AllowAnonymousAttribute>().Any();
}
private IFilter[] GetOrderedFilterAttributes(object[] attributes)
private IFilter[] GetOrderedFilterAttributes(MemberInfo memberInfo)
{
var attributes = memberInfo.GetCustomAttributes(inherit: true);
var filters = attributes.OfType<IFilter>().OrderByDescending(filter => filter.Order);
return filters.ToArray();
}
private ReflectedActionDescriptor BuildDescriptor(ControllerDescriptor controllerDescriptor,
MethodInfo methodInfo,
ActionInfo actionInfo,
IFilter[] controllerFilters)
private ReflectedActionDescriptor BuildDescriptor(ControllerDescriptor controllerDescriptor,
MethodInfo methodInfo,
ActionInfo actionInfo,
@ -115,10 +115,10 @@ namespace Microsoft.AspNet.Mvc
ad.Parameters = methodInfo.GetParameters().Select(p => _parameterDescriptorFactory.GetDescriptor(p)).ToList();
var attributes = methodInfo.GetCustomAttributes(inherit: true).ToArray();
// TODO: add ordering support such that action filters are ahead of controller filters if they have the same order
var filtersFromAction = GetOrderedFilterAttributes(attributes);
var actionFilters = GetOrderedFilterAttributes(methodInfo);
ad.Filters = MergeSorted(actionFilters, controllerFilters);
ad.Filters = MergeSorted(filtersFromAction, controllerFilters);
@ -127,29 +127,29 @@ namespace Microsoft.AspNet.Mvc
return ad;
}
private List<IFilter> MergeSorted(IFilter[] filtersFromAction, IFilter[] filtersFromController)
internal List<IFilter> MergeSorted(IFilter[] actionFilters, IFilter[] controllerFilters)
{
var list = new List<IFilter>();
var count = filtersFromAction.Length + filtersFromController.Length;
var count = actionFilters.Length + controllerFilters.Length;
for (int i = 0, j = 0; i + j < count; )
{
if (i >= filtersFromAction.Length)
if (i >= actionFilters.Length)
{
list.Add(filtersFromController[j++]);
list.Add(controllerFilters[j++]);
}
else if (j >= filtersFromController.Length)
else if (j >= controllerFilters.Length)
{
list.Add(filtersFromAction[i++]);
list.Add(actionFilters[i++]);
}
else if (filtersFromAction[i].Order >= filtersFromController[j].Order)
else if (actionFilters[i].Order >= controllerFilters[j].Order)
{
list.Add(filtersFromAction[i++]);
list.Add(actionFilters[i++]);
}
else
{
list.Add(filtersFromController[j++]);
list.Add(controllerFilters[j++]);
}
}