    # File lib/file_column_helper.rb, line 57
      def url_for_file_column(object_name, method, suffix=nil)
        object = instance_variable_get("@#{object_name.to_s}")
        relative_path = object.send("#{method}_relative_path", suffix)
        return nil unless relative_path
        url = ""
        url << @request.relative_url_root.to_s << "/"
        url << object.send("#{method}_options")[:base_url] << "/"
        url << relative_path
      end