Replace ProblemDetailsAttribute with ApiControllerAttribute

src/Microsoft.AspNetCore.Mvc.ApiExplorer/ApiControllerApiDescriptionProvider.cs

@@ -5,15 +5,16 @@ using System;
 using System.Collections.Generic;
 using System.Linq;
 using Microsoft.AspNetCore.Http;
+using Microsoft.AspNetCore.Mvc.Internal;
 using Microsoft.AspNetCore.Mvc.ModelBinding;
 
 namespace Microsoft.AspNetCore.Mvc.ApiExplorer
 {
-    public class ProblemDetailsApiDescriptionProvider : IApiDescriptionProvider
+    public class ApiControllerApiDescriptionProvider : IApiDescriptionProvider
     {
         private readonly IModelMetadataProvider _modelMetadaProvider;
 
-        public ProblemDetailsApiDescriptionProvider(IModelMetadataProvider modelMetadataProvider)
+        public ApiControllerApiDescriptionProvider(IModelMetadataProvider modelMetadataProvider)
         {
             _modelMetadaProvider = modelMetadataProvider;
         }
@@ -31,7 +32,7 @@ namespace Microsoft.AspNetCore.Mvc.ApiExplorer
         {
             foreach (var apiDescription in context.Results)
             {
-                if (!apiDescription.ActionDescriptor.FilterDescriptors.Any(f => f.Filter is ProblemDetailsAttribute))
+                if (!apiDescription.ActionDescriptor.FilterDescriptors.Any(f => f.Filter is IApiBehaviorMetadata))
                 {
                     continue;
                 }

src/Microsoft.AspNetCore.Mvc.ApiExplorer/DependencyInjection/MvcApiExplorerMvcCoreBuilderExtensions.cs

@@ -27,7 +27,7 @@ namespace Microsoft.Extensions.DependencyInjection
             services.TryAddEnumerable(
                 ServiceDescriptor.Transient<IApiDescriptionProvider, DefaultApiDescriptionProvider>());
             services.TryAddEnumerable(
-                ServiceDescriptor.Transient<IApiDescriptionProvider, ProblemDetailsApiDescriptionProvider>());
+                ServiceDescriptor.Transient<IApiDescriptionProvider, ApiControllerApiDescriptionProvider>());
         }
     }
 }

src/Microsoft.AspNetCore.Mvc.Core/ProblemDetailsAttribute.cs

@@ -1,16 +0,0 @@
-// Copyright (c) .NET Foundation. All rights reserved.
-// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
-
-using System;
-using Microsoft.AspNetCore.Mvc.Filters;
-
-namespace Microsoft.AspNetCore.Mvc
-{
-    /// <summary>
-    /// Adds an <see cref="IFilterMetadata"/> that indicates to the framework that the current action conforms to well-known API behavior.
-    /// </summary>
-    [AttributeUsage(AttributeTargets.Method | AttributeTargets.Class, AllowMultiple = false, Inherited = true)]
-    public class ProblemDetailsAttribute : Attribute, IFilterMetadata
-    {
-    }
-}

test/Microsoft.AspNetCore.Mvc.FunctionalTests/ApiExplorerTest.cs

@@ -1069,7 +1069,7 @@ namespace Microsoft.AspNetCore.Mvc.FunctionalTests
         public async Task ProblemDetails_AddsProblemAsDefaultErrorResult()
         {
             // Act
-            var body = await Client.GetStringAsync("ApiExplorerProblemDetails/ActionWithoutParameters");
+            var body = await Client.GetStringAsync("ApiExplorerApiController/ActionWithoutParameters");
             var result = JsonConvert.DeserializeObject<List<ApiExplorerData>>(body);
 
             // Assert
@@ -1087,7 +1087,7 @@ namespace Microsoft.AspNetCore.Mvc.FunctionalTests
         public async Task ProblemDetails_AddsProblemAsErrorResultForBadResult_WhenActionHasParameters()
         {
             // Act
-            var body = await Client.GetStringAsync("ApiExplorerProblemDetails/ActionWithSomeParameters");
+            var body = await Client.GetStringAsync("ApiExplorerApiController/ActionWithSomeParameters");
             var result = JsonConvert.DeserializeObject<List<ApiExplorerData>>(body);
 
             // Assert
@@ -1108,8 +1108,8 @@ namespace Microsoft.AspNetCore.Mvc.FunctionalTests
         }
 
         [Theory]
-        [InlineData("ApiExplorerProblemDetails/ActionWithIdParameter")]
+        [InlineData("ApiExplorerApiController/ActionWithIdParameter")]
-        [InlineData("ApiExplorerProblemDetails/ActionWithIdSuffixParameter")]
+        [InlineData("ApiExplorerApiController/ActionWithIdSuffixParameter")]
         public async Task ProblemDetails_AddsProblemAsErrorResultForNotFoundResult_WhenActionHasAnIdParameters(string url)
         {
             // Act

test/Microsoft.AspNetCore.Mvc.Test/MvcServiceCollectionExtensionsTest.cs

@@ -425,7 +425,7 @@ namespace Microsoft.AspNetCore.Mvc
                         new Type[]
                         {
                             typeof(DefaultApiDescriptionProvider),
-                            typeof(ProblemDetailsApiDescriptionProvider),
+                            typeof(ApiControllerApiDescriptionProvider),
                             typeof(JsonPatchOperationsArrayProvider),
                         }
                     },

test/WebSites/ApiExplorerWebSite/Controllers/ApiExplorerApiController.cs

@@ -5,9 +5,9 @@ using Microsoft.AspNetCore.Mvc;
 
 namespace ApiExplorerWebSite
 {
-    [Route("ApiExplorerProblemDetails/[action]")]
+    [Route("ApiExplorerApiController/[action]")]
-    [ProblemDetails]
+    [ApiController]
-    public class ApiExplorerProblemDetailsController : Controller
+    public class ApiExplorerApiController : Controller
     {
         public IActionResult ActionWithoutParameters() => Ok();