module AbstractController::Collector

def self.generate_method_for_mime(mime)
  sym = mime.is_a?(Symbol) ? mime : mime.to_sym
  const = sym.upcase
  class_eval <<-RUBY, __FILE__, __LINE__ + 1
    def #{sym}(*args, &block)                # def html(*args, &block)
      custom(Mime::#{const}, *args, &block)  #   custom(Mime::HTML, *args, &block)
    end                                      # end
  RUBY
end