# File lib/action_controller/caching/pages.rb, line 138 def cache_page(content = nil, options = nil) return unless self.class.perform_caching && caching_allowed? path = case options when Hash url_for(options.merge(:only_path => true, :format => params[:format])) when String options else request.path end if (type = Mime::LOOKUP[self.content_type]) && (type_symbol = type.symbol).present? extension = ".#{type_symbol}" end self.class.cache_page(content || response.body, path, extension) end