This repository has been archived by the owner on Dec 14, 2018. It is now read-only.
-
Notifications
You must be signed in to change notification settings - Fork 2.1k
/
FileStreamResult.cs
81 lines (72 loc) · 2.77 KB
/
FileStreamResult.cs
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
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
// 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.IO;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Mvc.Infrastructure;
using Microsoft.AspNetCore.Mvc.Internal;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Net.Http.Headers;
namespace Microsoft.AspNetCore.Mvc
{
/// <summary>
/// Represents an <see cref="ActionResult"/> that when executed will
/// write a file from a stream to the response.
/// </summary>
public class FileStreamResult : FileResult
{
private Stream _fileStream;
/// <summary>
/// Creates a new <see cref="FileStreamResult"/> instance with
/// the provided <paramref name="fileStream"/> and the
/// provided <paramref name="contentType"/>.
/// </summary>
/// <param name="fileStream">The stream with the file.</param>
/// <param name="contentType">The Content-Type header of the response.</param>
public FileStreamResult(Stream fileStream, string contentType)
: this(fileStream, MediaTypeHeaderValue.Parse(contentType))
{
}
/// <summary>
/// Creates a new <see cref="FileStreamResult"/> instance with
/// the provided <paramref name="fileStream"/> and the
/// provided <paramref name="contentType"/>.
/// </summary>
/// <param name="fileStream">The stream with the file.</param>
/// <param name="contentType">The Content-Type header of the response.</param>
public FileStreamResult(Stream fileStream, MediaTypeHeaderValue contentType)
: base(contentType?.ToString())
{
if (fileStream == null)
{
throw new ArgumentNullException(nameof(fileStream));
}
FileStream = fileStream;
}
/// <summary>
/// Gets or sets the stream with the file that will be sent back as the response.
/// </summary>
public Stream FileStream
{
get => _fileStream;
set
{
if (value == null)
{
throw new ArgumentNullException(nameof(value));
}
_fileStream = value;
}
}
/// <inheritdoc />
public override Task ExecuteResultAsync(ActionContext context)
{
if (context == null)
{
throw new ArgumentNullException(nameof(context));
}
var executor = context.HttpContext.RequestServices.GetRequiredService<IActionResultExecutor<FileStreamResult>>();
return executor.ExecuteAsync(context, this);
}
}
}