blob: d0cad4697c59ff717c8c34e35813a685e4289d20 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
|
using System.Collections.Generic;
using System.Linq;
using System.Web.Http.Common;
using System.Web.Http.Controllers;
namespace System.Web.Http.Filters
{
/// <summary>
/// This <see cref="IFilterProvider"/> implementation retrieves <see cref="FilterInfo">filters</see> associated with an <see cref="HttpActionDescriptor"/>
/// instance.
/// </summary>
public class ActionDescriptorFilterProvider : IFilterProvider
{
/// <summary>
/// Returns the collection of filters associated with <paramref name="actionDescriptor"/>.
/// </summary>
/// <remarks>
/// The implementation invokes <see cref="HttpActionDescriptor.GetFilters()"/> and <see cref="HttpControllerDescriptor.GetFilters()"/>.
/// </remarks>
/// <param name="configuration">The configuration. This value is not used.</param>
/// <param name="actionDescriptor">The action descriptor.</param>
/// <returns>A collection of filters.</returns>
public IEnumerable<FilterInfo> GetFilters(HttpConfiguration configuration, HttpActionDescriptor actionDescriptor)
{
if (configuration == null)
{
throw Error.ArgumentNull("configuration");
}
if (actionDescriptor == null)
{
throw Error.ArgumentNull("actionDescriptor");
}
IEnumerable<FilterInfo> controllerFilters = actionDescriptor.ControllerDescriptor.GetFilters().Select(instance => new FilterInfo(instance, FilterScope.Controller));
IEnumerable<FilterInfo> actionFilters = actionDescriptor.GetFilters().Select(instance => new FilterInfo(instance, FilterScope.Action));
return controllerFilters.Concat(actionFilters);
}
}
}
|