gistfile1.txt

def inject_status_in_response
    yield
    case request.format.to_sym
    when :json
      json = JSON.parse response.body
      json["status"] = {
        :code => response.status[/\d+/],
        :message => @status_message
      }
      response.body = json.to_json
    when :xml
      xml = Builder::XmlMarkup.new response.body
      xml.status do
        xml.code response.status[/\d+/]
        xml.message @status_message
      end
      response.body = xml
    when :html
      # ignore
    else
      raise NotImplementedError,
        "need to implement status injection for format #{request.format.to_sym.inspect}"
    end
  end