# File actionpack/lib/action_controller/caching/actions.rb, line 119
119:         def initialize(controller, options = {})
120:           @extension = extract_extension(controller.request.path)
121:           path = controller.url_for(options).split('://').last
122:           normalize!(path)
123:           add_extension!(path, @extension)
124:           @path = URI.unescape(path)
125:         end

     # File actionpack/lib/action_controller/caching/actions.rb, line 114
114:           def path_for(controller, options)
115:             new(controller, options).path
116:           end