ArchiveContentFinder.cs

public class ArchiveContentFinder : IContentFinder
    {
        public bool TryFindContent(PublishedContentRequest contentRequest)
        {           
            var path = contentRequest.Uri.GetAbsolutePathDecoded();

            var db = ApplicationContext.Current.DatabaseContext.Database;

            var archived = db.SingleOrDefault<Archive>("select * from archive where Url = @0 or Url = @1", path, path + "/");

            if(archived != null)
            {
                var content = new MyPublishedContent(archived.Xml);
                contentRequest.PublishedContent = content;
                return true;
            }
            
            return false;
        }
    }