NHaml adapter for Nancy framework hack

NHamlViewEngine.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using Nancy;
using Nancy.ViewEngines;
using Nancy.Responses;
using NHaml4.Walkers.CodeDom;
using NHaml4.TemplateResolution;
using NHaml4.TemplateBase;
using NHaml4;
using System.IO;
using System.Text;

namespace Nancy.ViewEngines.NHaml
{
    public class NHamlViewEngine : IViewEngine
    {
        private TemplateEngine engine;
        private FileTemplateContentProvider contentp;

        public IEnumerable<string> Extensions
        {
            get { return new string[] { "haml", "nhaml" }; }
        }

        public void Initialize(ViewEngineStartupContext viewEngineStartupContext)
        {
            engine = new TemplateEngine(new HamlOptions());
            contentp = new FileTemplateContentProvider();
        } 

        private Template getTemplate(ViewLocationResult vlr, IRenderContext rc)
        {
            var source = new NancyNHamlViewSource(vlr, rc);
            var tmplt = engine.GetCompiledTemplate(source);

            return tmplt.CreateTemplate();
        }
        
        public Response RenderView(
            ViewLocationResult viewLocationResult, dynamic model, IRenderContext renderContext)
        {
            return new HtmlResponse
                {
                    Contents = strm =>
                        {
                            var wrtr = new StreamWriter(strm);

                            getTemplate(viewLocationResult, renderContext).Render(wrtr);

                            wrtr.Flush();
                            return;
                        }
                };
        }
    }

    class NancyNHamlViewSource : IViewSource
    {
        private ViewLocationResult vlr;
        private IRenderContext rc;

        public NancyNHamlViewSource(ViewLocationResult vlr, IRenderContext rc)
        {
            this.vlr = vlr;
            this.rc = rc;
        }

        public string GetClassName()
        {
            return vlr.Location + "_" + vlr.Name;
        }

        public StreamReader GetStreamReader()
        {
            return new StreamReader(new MemoryStream(new UTF8Encoding().GetBytes(vlr.Contents().ReadToEnd())));
        }

        public bool IsModified
        {
            get { return true; }
        }

        public string Path
        {
            get { throw new NotImplementedException(); }
        }
    }
}