45 lines
1.2 KiB
C#
45 lines
1.2 KiB
C#
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namespace System.Web.Mvc {
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using System;
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using System.IO;
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using System.Web;
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public class FileStreamResult : FileResult {
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// default buffer size as defined in BufferedStream type
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private const int _bufferSize = 0x1000;
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public FileStreamResult(Stream fileStream, string contentType)
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: base(contentType) {
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if (fileStream == null) {
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throw new ArgumentNullException("fileStream");
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}
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FileStream = fileStream;
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}
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public Stream FileStream {
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get;
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private set;
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}
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protected override void WriteFile(HttpResponseBase response) {
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// grab chunks of data and write to the output stream
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Stream outputStream = response.OutputStream;
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using (FileStream) {
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byte[] buffer = new byte[_bufferSize];
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while (true) {
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int bytesRead = FileStream.Read(buffer, 0, _bufferSize);
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if (bytesRead == 0) {
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// no more data
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break;
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}
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outputStream.Write(buffer, 0, bytesRead);
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}
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}
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}
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}
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}
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