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ContentResult.cs
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ContentResult.cs
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// 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 System.Text;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Http.Features;
using Microsoft.AspNetCore.Mvc.Internal;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Logging;
using Microsoft.Net.Http.Headers;
namespace Microsoft.AspNetCore.Mvc
{
public class ContentResult : ActionResult
{
private readonly string DefaultContentType = new MediaTypeHeaderValue("text/plain")
{
Encoding = Encoding.UTF8
}.ToString();
/// <summary>
/// Gets or set the content representing the body of the response.
/// </summary>
public string Content { get; set; }
/// <summary>
/// Gets or sets the Content-Type header for the response.
/// </summary>
public string ContentType { get; set; }
/// <summary>
/// Gets or sets the HTTP status code.
/// </summary>
public int? StatusCode { get; set; }
public override Task ExecuteResultAsync(ActionContext context)
{
if (context == null)
{
throw new ArgumentNullException(nameof(context));
}
var loggerFactory = context.HttpContext.RequestServices.GetRequiredService<ILoggerFactory>();
var logger = loggerFactory.CreateLogger<ContentResult>();
var response = context.HttpContext.Response;
string resolvedContentType;
Encoding resolvedContentTypeEncoding;
ResponseContentTypeHelper.ResolveContentTypeAndEncoding(
ContentType,
response.ContentType,
DefaultContentType,
out resolvedContentType,
out resolvedContentTypeEncoding);
response.ContentType = resolvedContentType;
if (StatusCode != null)
{
response.StatusCode = StatusCode.Value;
}
logger.ContentResultExecuting(resolvedContentType);
if (Content != null)
{
var bufferingFeature = response.HttpContext.Features.Get<IHttpBufferingFeature>();
bufferingFeature?.DisableResponseBuffering();
return response.WriteAsync(Content, resolvedContentTypeEncoding);
}
return TaskCache.CompletedTask;
}
}
}