Asp.net Mvc Compress Files

1.Self

public class AuthorizeFilterAttribute : ActionFilterAttribute

{

      public override void OnActionExecuting(ActionExecutingContext filterContext)

        {

                HttpRequestBase request = filterContext.HttpContext.Request;

            string acceptEncoding = request.Headers["Accept-Encoding"];

            if (string.IsNullOrEmpty(acceptEncoding)) return;

            acceptEncoding = acceptEncoding.ToUpperInvariant();

            HttpResponseBase response = filterContext.HttpContext.Response;

            if (acceptEncoding.Contains("GZIP"))

            {

                response.AppendHeader("Content-encoding", "gzip");

                response.Filter = new GZipStream(response.Filter, CompressionMode.Compress);

            }

         }

}

2. Js,Css In Global.asax.cs

     void Application_PostReleaseRequestState(object sender, EventArgs e)

        {

            Compress_File(sender as HttpApplication);

        } 

        public static void Compress_File(HttpApplication HttpApp)

        {

            string contentType = HttpApp.Response.ContentType;

            if (contentType == "text/css" || contentType == "application/x-javascript" || contentType == "text/javascript")

            {

                HttpApp.Response.Cache.VaryByHeaders["Accept-Encoding"] = true;

                string acceptEncoding = HttpApp.Request.Headers["Accept-Encoding"];

                if (acceptEncoding == null || acceptEncoding.Length == 0) return;

                acceptEncoding = acceptEncoding.ToLower();

                if (acceptEncoding.Contains("gzip"))

                {

                    HttpApp.Response.AppendHeader("Content-encoding", "gzip");

                    HttpApp.Response.Filter = new GZipStream(HttpApp.Response.Filter, CompressionMode.Compress);

                }

                //else if (acceptEncoding.Contains("deflate") || acceptEncoding == "*")

                //{

                //    HttpApp.Response.Filter = new DeflateStream(app.Response.Filter, CompressionMode.Compress);

                //    HttpApp.Response.AppendHeader("Content-Encoding", "deflate");

                //}

            }

        }