# File lib/merb-core/dispatch/request.rb, line 52
    def controller
      unless params[:controller]
        raise ControllerExceptions::NotFound,
          "Route matched, but route did not specify a controller.\n" +
          "Did you forgot to add :controller => \"people\" or :controller " +
          "segment to route definition?\nHere is what's specified:\n" +
          route.inspect
      end
      path = [params[:namespace], params[:controller]].compact.join(Merb::Const::SLASH)
      controller = path.snake_case.to_const_string

      begin
        Object.full_const_get(controller)
      rescue NameError => e
        msg = "Controller class not found for controller `#{path}'"
        Merb.logger.warn!(msg)
        raise ControllerExceptions::NotFound, msg
      end
    end