Make RequestDelegateBuilder public

- Formerly known as MapActionExpressionTreeBuilder

src/Http/Http.Extensions/src/Microsoft.AspNetCore.Http.Extensions.csproj

@@ -11,6 +11,7 @@
   </PropertyGroup>
 
   <ItemGroup>
+    <Compile Include="$(SharedSourceRoot)ObjectMethodExecutor\**\*.cs" />
     <Compile Include="..\..\Shared\StreamCopyOperationInternal.cs" Link="StreamCopyOperationInternal.cs" />
   </ItemGroup>
 

src/Http/Http.Extensions/src/PublicAPI.Unshipped.txt

@@ -152,6 +152,7 @@ Microsoft.AspNetCore.Http.Headers.ResponseHeaders.Set(string! name, object? valu
 Microsoft.AspNetCore.Http.Headers.ResponseHeaders.SetCookie.get -> System.Collections.Generic.IList<Microsoft.Net.Http.Headers.SetCookieHeaderValue!>!
 Microsoft.AspNetCore.Http.Headers.ResponseHeaders.SetCookie.set -> void
 Microsoft.AspNetCore.Http.Headers.ResponseHeaders.SetList<T>(string! name, System.Collections.Generic.IList<T>? values) -> void
+Microsoft.AspNetCore.Http.RequestDelegateBuilder
 override Microsoft.AspNetCore.Http.Extensions.QueryBuilder.Equals(object? obj) -> bool
 override Microsoft.AspNetCore.Http.Extensions.QueryBuilder.ToString() -> string!
 static Microsoft.AspNetCore.Http.Extensions.HttpRequestMultipartExtensions.GetMultipartBoundary(this Microsoft.AspNetCore.Http.HttpRequest! request) -> string!
@@ -168,6 +169,7 @@ static Microsoft.AspNetCore.Http.HeaderDictionaryTypeExtensions.AppendList<T>(th
 static Microsoft.AspNetCore.Http.HeaderDictionaryTypeExtensions.GetTypedHeaders(this Microsoft.AspNetCore.Http.HttpRequest! request) -> Microsoft.AspNetCore.Http.Headers.RequestHeaders!
 static Microsoft.AspNetCore.Http.HeaderDictionaryTypeExtensions.GetTypedHeaders(this Microsoft.AspNetCore.Http.HttpResponse! response) -> Microsoft.AspNetCore.Http.Headers.ResponseHeaders!
 static Microsoft.AspNetCore.Http.HttpContextServerVariableExtensions.GetServerVariable(this Microsoft.AspNetCore.Http.HttpContext! context, string! variableName) -> string?
+static Microsoft.AspNetCore.Http.RequestDelegateBuilder.BuildRequestDelegate(System.Delegate! action) -> Microsoft.AspNetCore.Http.RequestDelegate!
 static Microsoft.AspNetCore.Http.ResponseExtensions.Clear(this Microsoft.AspNetCore.Http.HttpResponse! response) -> void
 static Microsoft.AspNetCore.Http.ResponseExtensions.Redirect(this Microsoft.AspNetCore.Http.HttpResponse! response, string! location, bool permanent, bool preserveMethod) -> void
 static Microsoft.AspNetCore.Http.SendFileResponseExtensions.SendFileAsync(this Microsoft.AspNetCore.Http.HttpResponse! response, Microsoft.Extensions.FileProviders.IFileInfo! file, System.Threading.CancellationToken cancellationToken = default(System.Threading.CancellationToken)) -> System.Threading.Tasks.Task!

src/Http/Routing/src/Internal/MapActionExpressionTreeBuilder.cs → src/Http/Http.Extensions/src/RequestDelegateBuilder.cs

@@ -11,24 +11,26 @@
 using System.Reflection;
 using System.Threading;
 using System.Threading.Tasks;
-using Microsoft.AspNetCore.Http;
 using Microsoft.AspNetCore.Http.Metadata;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Internal;
 using Microsoft.Extensions.Logging;
 
-namespace Microsoft.AspNetCore.Routing.Internal
+namespace Microsoft.AspNetCore.Http
 {
-    internal static class MapActionExpressionTreeBuilder
+    /// <summary>
+    /// Builds <see cref="RequestDelegate"/> implementations from <see cref="Delegate"/> request handlers.
+    /// </summary>
+    public static class RequestDelegateBuilder
     {
         private static readonly MethodInfo ChangeTypeMethodInfo = GetMethodInfo<Func<object, Type, object>>((value, type) => Convert.ChangeType(value, type, CultureInfo.InvariantCulture));
-        private static readonly MethodInfo ExecuteTaskOfTMethodInfo = typeof(MapActionExpressionTreeBuilder).GetMethod(nameof(ExecuteTask), BindingFlags.NonPublic | BindingFlags.Static)!;
-        private static readonly MethodInfo ExecuteTaskOfStringMethodInfo = typeof(MapActionExpressionTreeBuilder).GetMethod(nameof(ExecuteTaskOfString), BindingFlags.NonPublic | BindingFlags.Static)!;
-        private static readonly MethodInfo ExecuteValueTaskOfTMethodInfo = typeof(MapActionExpressionTreeBuilder).GetMethod(nameof(ExecuteValueTaskOfT), BindingFlags.NonPublic | BindingFlags.Static)!;
-        private static readonly MethodInfo ExecuteValueTaskMethodInfo = typeof(MapActionExpressionTreeBuilder).GetMethod(nameof(ExecuteValueTask), BindingFlags.NonPublic | BindingFlags.Static)!;
-        private static readonly MethodInfo ExecuteValueTaskOfStringMethodInfo = typeof(MapActionExpressionTreeBuilder).GetMethod(nameof(ExecuteValueTaskOfString), BindingFlags.NonPublic | BindingFlags.Static)!;
-        private static readonly MethodInfo ExecuteTaskResultOfTMethodInfo = typeof(MapActionExpressionTreeBuilder).GetMethod(nameof(ExecuteTaskResult), BindingFlags.NonPublic | BindingFlags.Static)!;
-        private static readonly MethodInfo ExecuteValueResultTaskOfTMethodInfo = typeof(MapActionExpressionTreeBuilder).GetMethod(nameof(ExecuteValueTaskResult), BindingFlags.NonPublic | BindingFlags.Static)!;
+        private static readonly MethodInfo ExecuteTaskOfTMethodInfo = typeof(RequestDelegateBuilder).GetMethod(nameof(ExecuteTask), BindingFlags.NonPublic | BindingFlags.Static)!;
+        private static readonly MethodInfo ExecuteTaskOfStringMethodInfo = typeof(RequestDelegateBuilder).GetMethod(nameof(ExecuteTaskOfString), BindingFlags.NonPublic | BindingFlags.Static)!;
+        private static readonly MethodInfo ExecuteValueTaskOfTMethodInfo = typeof(RequestDelegateBuilder).GetMethod(nameof(ExecuteValueTaskOfT), BindingFlags.NonPublic | BindingFlags.Static)!;
+        private static readonly MethodInfo ExecuteValueTaskMethodInfo = typeof(RequestDelegateBuilder).GetMethod(nameof(ExecuteValueTask), BindingFlags.NonPublic | BindingFlags.Static)!;
+        private static readonly MethodInfo ExecuteValueTaskOfStringMethodInfo = typeof(RequestDelegateBuilder).GetMethod(nameof(ExecuteValueTaskOfString), BindingFlags.NonPublic | BindingFlags.Static)!;
+        private static readonly MethodInfo ExecuteTaskResultOfTMethodInfo = typeof(RequestDelegateBuilder).GetMethod(nameof(ExecuteTaskResult), BindingFlags.NonPublic | BindingFlags.Static)!;
+        private static readonly MethodInfo ExecuteValueResultTaskOfTMethodInfo = typeof(RequestDelegateBuilder).GetMethod(nameof(ExecuteValueTaskResult), BindingFlags.NonPublic | BindingFlags.Static)!;
         private static readonly MethodInfo GetRequiredServiceMethodInfo = typeof(ServiceProviderServiceExtensions).GetMethod(nameof(ServiceProviderServiceExtensions.GetRequiredService), BindingFlags.Public | BindingFlags.Static, new Type[] { typeof(IServiceProvider) })!;
         private static readonly MethodInfo ResultWriteResponseAsync = typeof(IResult).GetMethod(nameof(IResult.ExecuteAsync), BindingFlags.Public | BindingFlags.Instance)!;
         private static readonly MethodInfo StringResultWriteResponseAsync = GetMethodInfo<Func<HttpResponse, string, Task>>((response, text) => HttpResponseWritingExtensions.WriteAsync(response, text, default));
@@ -44,6 +46,11 @@ internal static class MapActionExpressionTreeBuilder
         private static readonly MemberExpression HttpResponseExpr = Expression.Property(HttpContextParameter, nameof(HttpContext.Response));
         private static readonly MemberExpression RequestAbortedExpr = Expression.Property(HttpContextParameter, nameof(HttpContext.RequestAborted));
 
+        /// <summary>
+        /// Builds a <see cref="RequestDelegate"/> implementation for <paramref name="action"/>.
+        /// </summary>
+        /// <param name="action">A request handler with any number of custom parameters that often produces a response with its return value.</param>
+        /// <returns>The <see cref="RequestDelegate"/></returns>
         public static RequestDelegate BuildRequestDelegate(Delegate action)
         {
             // Non void return type