# File lib/openid/store/filesystem.rb, line 15
      def initialize(directory)
        p_dir = Pathname.new(directory)
        @nonce_dir = p_dir.join('nonces')
        @association_dir = p_dir.join('associations')
        @temp_dir = p_dir.join('temp')

        self.ensure_dir(@nonce_dir)
        self.ensure_dir(@association_dir)
        self.ensure_dir(@temp_dir)
      end