def set(path)
      assert_exists
      path = path.to_s

      @object.setValueAttribute path

      unless @object.getContentType
        @object.setContentType(Celerity::Util.content_type_for(path))
      end

      path
    end
def set(path)
      assert_exists
      path = path.to_s

      @object.setValueAttribute path

      unless @object.getContentType
        @object.setContentType(Celerity::Util.content_type_for(path))
      end

      path
    end
Set the file field to the given path