# File lib/merb-cache/cache-page.rb, line 60
  def cached_page?(options)
    key = Merb::Controller._cache.key_for(options, controller_name, true)
    extension = options[:extension] || DEFAULT_PAGE_EXTENSION
    File.file?(Merb::Controller._cache.config[:cache_html_directory] / "#{key}.#{extension}")
  end