From f18f13326e2b5c6099e7f762c2bacf7ebb616348 Mon Sep 17 00:00:00 2001
From: kayone <kay.one@gmail.com>
Date: Sun, 24 Aug 2014 11:39:42 -0700
Subject: [PATCH] AddApplicationVersionHeader is a bit less wasteful.

---
 .../Owin/MiddleWare/NzbDroneVersionMiddleWare.cs           | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/NzbDrone.Host/Owin/MiddleWare/NzbDroneVersionMiddleWare.cs b/src/NzbDrone.Host/Owin/MiddleWare/NzbDroneVersionMiddleWare.cs
index 33e563db7..2c18b4b6d 100644
--- a/src/NzbDrone.Host/Owin/MiddleWare/NzbDroneVersionMiddleWare.cs
+++ b/src/NzbDrone.Host/Owin/MiddleWare/NzbDroneVersionMiddleWare.cs
@@ -1,4 +1,5 @@
 using System;
+using System.Collections.Generic;
 using System.Threading.Tasks;
 using Microsoft.Owin;
 using NzbDrone.Common.EnvironmentInfo;
@@ -18,13 +19,17 @@ namespace NzbDrone.Host.Owin.MiddleWare
 
     public class AddApplicationVersionHeader : OwinMiddleware
     {
+        private readonly KeyValuePair<string, string[]> _versionHeader;
+
         public AddApplicationVersionHeader(OwinMiddleware next)
             : base(next)
         {
+            _versionHeader = new KeyValuePair<string, string[]>("X-ApplicationVersion",
+               new[] { BuildInfo.Version.ToString() });
         }
         public override Task Invoke(IOwinContext context)
         {
-            context.Response.Headers.Add("X-ApplicationVersion", new string[] { BuildInfo.Version.ToString() });
+            context.Response.Headers.Add(_versionHeader);
             return Next.Invoke(context);
         }
     }