ASp.NET MVC action result that renders an RSS

RssResult.cs

public class RssResult : FileResult
 {
  private readonly SyndicationFeed _feed;  

  /// <summary>
  /// Creates a new instance of RssResult
  /// </summary>
  /// <param name="feed">The feed to return the user.</param>
  public RssResult(SyndicationFeed feed)
   : base("application/rss+xml")
  {
   _feed = feed;
  }

  /// <summary>
  /// Creates a new instance of RssResult
  /// </summary>
  /// <param name="title">The title for the feed.</param>
  /// <param name="feedItems">The items of the feed.</param>
  
  public RssResult(string title, List<SyndicationItem> feedItems)
   : base("application/rss+xml")
  {
   _feed = new SyndicationFeed(title, title, HttpContext.Current.Request.Url) {Items = feedItems};
  }

protected override void WriteFile(HttpResponseBase response)
  {
   using (XmlWriter writer = XmlWriter.Create(response.OutputStream))
   {
    _feed.GetRss20Formatter().WriteTo(writer);
   }
  }
 }