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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
#nullable enable
using Microsoft.AspNetCore.Http;
namespace Microsoft.AspNetCore.Mvc.Infrastructure;
internal sealed class ActionResultTypeMapper : IActionResultTypeMapper
{
public Type GetResultDataType(Type returnType)
{
ArgumentNullException.ThrowIfNull(returnType);
if (returnType.IsGenericType &&
returnType.GetGenericTypeDefinition() == typeof(ActionResult<>))
{
return returnType.GetGenericArguments()[0];
}
return returnType;
}
public IActionResult Convert(object? value, Type returnType)
{
ArgumentNullException.ThrowIfNull(returnType);
if (value is IConvertToActionResult converter)
{
return converter.Convert();
}
if (value is IResult httpResult)
{
return new HttpActionResult(httpResult);
}
return new ObjectResult(value)
{
DeclaredType = returnType,
};
}
}
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