From 46efa464d851d3f78b74ac02d061388115cf6d66 Mon Sep 17 00:00:00 2001
From: Luke Pulverenti <luke.pulverenti@gmail.com>
Date: Thu, 3 Nov 2016 21:18:51 -0400
Subject: move classes

---
 .../HttpServer/StreamWriter.cs                     | 127 +++++++++++++++++++++
 1 file changed, 127 insertions(+)
 create mode 100644 Emby.Server.Implementations/HttpServer/StreamWriter.cs

(limited to 'Emby.Server.Implementations/HttpServer/StreamWriter.cs')

diff --git a/Emby.Server.Implementations/HttpServer/StreamWriter.cs b/Emby.Server.Implementations/HttpServer/StreamWriter.cs
new file mode 100644
index 000000000..15488abaa
--- /dev/null
+++ b/Emby.Server.Implementations/HttpServer/StreamWriter.cs
@@ -0,0 +1,127 @@
+using MediaBrowser.Model.Logging;
+using System;
+using System.Collections.Generic;
+using System.Globalization;
+using System.IO;
+using System.Threading;
+using System.Threading.Tasks;
+using MediaBrowser.Common.IO;
+using MediaBrowser.Model.Services;
+
+namespace Emby.Server.Implementations.HttpServer
+{
+    /// <summary>
+    /// Class StreamWriter
+    /// </summary>
+    public class StreamWriter : IAsyncStreamWriter, IHasHeaders
+    {
+        private ILogger Logger { get; set; }
+
+        private static readonly CultureInfo UsCulture = new CultureInfo("en-US");
+
+        /// <summary>
+        /// Gets or sets the source stream.
+        /// </summary>
+        /// <value>The source stream.</value>
+        private Stream SourceStream { get; set; }
+
+        /// <summary>
+        /// The _options
+        /// </summary>
+        private readonly IDictionary<string, string> _options = new Dictionary<string, string>();
+        /// <summary>
+        /// Gets the options.
+        /// </summary>
+        /// <value>The options.</value>
+        public IDictionary<string, string> Headers
+        {
+            get { return _options; }
+        }
+
+        public Action OnComplete { get; set; }
+        public Action OnError { get; set; }
+        private readonly byte[] _bytes;
+
+        /// <summary>
+        /// Initializes a new instance of the <see cref="StreamWriter" /> class.
+        /// </summary>
+        /// <param name="source">The source.</param>
+        /// <param name="contentType">Type of the content.</param>
+        /// <param name="logger">The logger.</param>
+        public StreamWriter(Stream source, string contentType, ILogger logger)
+        {
+            if (string.IsNullOrEmpty(contentType))
+            {
+                throw new ArgumentNullException("contentType");
+            }
+
+            SourceStream = source;
+            Logger = logger;
+
+            Headers["Content-Type"] = contentType;
+
+            if (source.CanSeek)
+            {
+                Headers["Content-Length"] = source.Length.ToString(UsCulture);
+            }
+        }
+
+        /// <summary>
+        /// Initializes a new instance of the <see cref="StreamWriter"/> class.
+        /// </summary>
+        /// <param name="source">The source.</param>
+        /// <param name="contentType">Type of the content.</param>
+        /// <param name="logger">The logger.</param>
+        public StreamWriter(byte[] source, string contentType, ILogger logger)
+            : this(new MemoryStream(source), contentType, logger)
+        {
+            if (string.IsNullOrEmpty(contentType))
+            {
+                throw new ArgumentNullException("contentType");
+            }
+
+            _bytes = source;
+            Logger = logger;
+
+            Headers["Content-Type"] = contentType;
+
+            Headers["Content-Length"] = source.Length.ToString(UsCulture);
+        }
+
+        public async Task WriteToAsync(Stream responseStream, CancellationToken cancellationToken)
+        {
+            try
+            {
+                if (_bytes != null)
+                {
+                    await responseStream.WriteAsync(_bytes, 0, _bytes.Length);
+                }
+                else
+                {
+                    using (var src = SourceStream)
+                    {
+                        await src.CopyToAsync(responseStream).ConfigureAwait(false);
+                    }
+                }
+            }
+            catch (Exception ex)
+            {
+                Logger.ErrorException("Error streaming data", ex);
+
+                if (OnError != null)
+                {
+                    OnError();
+                }
+
+                throw;
+            }
+            finally
+            {
+                if (OnComplete != null)
+                {
+                    OnComplete();
+                }
+            }
+        }
+    }
+}
-- 
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