trait Text[T]{
  def reads(string : String) : T;
  def writes(t : T) : String;
}

class ElementModel[T <: AnyRef]( private val element: org.jdom.Element)(implicit text : Text[T])
{
  def getElement = element

  def getObject: AnyRef = text.reads( element.getText )
  def setObject( obj: AnyRef ) = text.writes( convertType( obj.asInstanceOf[T] ) )
}