public boolean fromElement(Element element) {
    boolean result = true;
    NodeList taskList = element.getElementsByTagName(C.task);
    for (int i=0; i<taskList.getLength(); i++) {
      Task task = new Task();
      task.fromElement((Element)taskList.item(i));
      taskStore.put(task.getId(), task);
    }
    return result;
  }