method_missing

# File actionpack/lib/abstract_controller/collector.rb, line 21
    def method_missing(symbol, &block)
      mime_constant = Mime.const_get(symbol.to_s.upcase)

      if Mime::SET.include?(mime_constant)
        AbstractController::Collector.generate_method_for_mime(mime_constant)
        send(symbol, &block)
      else
        super
      end
    end