FeedResult RSS

FeedResult.cs

public class FeedResult : ActionResult
{
    public Encoding ContentEncoding { get; set; }
    public string ContentType { get; set; }

    private readonly SyndicationFeedFormatter feed;
    public SyndicationFeedFormatter Feed
    {
        get { return feed; }
    }

    public FeedResult(SyndicationFeedFormatter feed)
    {
        this.feed = feed;
    }

    public override void ExecuteResult(ControllerContext context) {
        if (context == null)
        {
            throw new ArgumentNullException("context");
        }

        HttpResponseBase response = context.HttpContext.Response;
        response.ContentType = !string.IsNullOrEmpty(ContentType) ? ContentType : "application/rss+xml";

        if (ContentEncoding != null)
        {
            response.ContentEncoding = ContentEncoding;
        }

        if (feed != null)
        {
            using (var xmlWriter = new XmlTextWriter(response.Output))
            {
                xmlWriter.Formatting = Formatting.Indented;
                feed.WriteTo(xmlWriter);
            }
        }
    }
}