Injecting links

gistfile1.cs

    public class CustomJsonFormatter : JsonMediaTypeFormatter
    {
        public override Task WriteToStreamAsync(Type type, object value, System.IO.Stream writeStream, 
            System.Net.Http.HttpContent content, System.Net.TransportContext transportContext)
        {
            var objectWithLinks = value as IResourceWithLinks;
            if (objectWithLinks != null)
            {
                objectWithLinks.Links = new[] { new Link { Rel = "Self", Href = "???" } };
            }
            
            return base.WriteToStreamAsync(type, value, writeStream, content, transportContext);
        }
    }