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/* ****************************************************************************
*
* Copyright (c) Microsoft Corporation. All rights reserved.
*
* This software is subject to the Microsoft Public License (Ms-PL).
* A copy of the license can be found in the license.htm file included
* in this distribution.
*
* You must not remove this notice, or any other, from this software.
*
* ***************************************************************************/
namespace System.Web.Mvc {
using System;
using System.IO;
using System.Web;
public class FileStreamResult : FileResult {
// default buffer size as defined in BufferedStream type
private const int _bufferSize = 0x1000;
public FileStreamResult(Stream fileStream, string contentType)
: base(contentType) {
if (fileStream == null) {
throw new ArgumentNullException("fileStream");
}
FileStream = fileStream;
}
public Stream FileStream {
get;
private set;
}
protected override void WriteFile(HttpResponseBase response) {
// grab chunks of data and write to the output stream
Stream outputStream = response.OutputStream;
using (FileStream) {
byte[] buffer = new byte[_bufferSize];
while (true) {
int bytesRead = FileStream.Read(buffer, 0, _bufferSize);
if (bytesRead == 0) {
// no more data
break;
}
outputStream.Write(buffer, 0, bytesRead);
}
}
}
}
}
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