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namespace System.Web.Mvc.Async {
using System;
using System.Collections.Generic;
public class ReflectedAsyncControllerDescriptor : ControllerDescriptor {
private static readonly ActionDescriptor[] _emptyCanonicalActions = new ActionDescriptor[0];
private readonly Type _controllerType;
private readonly AsyncActionMethodSelector _selector;
public ReflectedAsyncControllerDescriptor(Type controllerType) {
if (controllerType == null) {
throw new ArgumentNullException("controllerType");
}
_controllerType = controllerType;
_selector = new AsyncActionMethodSelector(_controllerType);
}
public sealed override Type ControllerType {
get {
return _controllerType;
}
}
public override ActionDescriptor FindAction(ControllerContext controllerContext, string actionName) {
if (controllerContext == null) {
throw new ArgumentNullException("controllerContext");
}
if (String.IsNullOrEmpty(actionName)) {
throw Error.ParameterCannotBeNullOrEmpty("actionName");
}
ActionDescriptorCreator creator = _selector.FindAction(controllerContext, actionName);
if (creator == null) {
return null;
}
return creator(actionName, this);
}
public override ActionDescriptor[] GetCanonicalActions() {
// everything is looked up dymanically, so there are no 'canonical' actions
return _emptyCanonicalActions;
}
public override object[] GetCustomAttributes(bool inherit) {
return ControllerType.GetCustomAttributes(inherit);
}
public override object[] GetCustomAttributes(Type attributeType, bool inherit) {
return ControllerType.GetCustomAttributes(attributeType, inherit);
}
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);
}
public override bool IsDefined(Type attributeType, bool inherit) {
return ControllerType.IsDefined(attributeType, inherit);
}
}
}
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