# File lib/cookiejar/cookie.rb, line 205
    def self.json_create o
      params = o.inject({}) do |hash, (key, value)|
        hash[key.to_sym] = value
        hash
      end
      params[:version] ||= 0
      params[:created_at] = Time.parse params[:created_at]
      if params[:expiry].is_a? String
        params[:expires_at] = Time.parse params[:expiry]
      else
        params[:max_age] = params[:expiry]
      end
      params.delete :expiry

      self.new params
    end