@Override
 public void attributeAdded(HttpSessionBindingEvent _event) {
   System.out.println(
       "edu.temple.cis3238.wiki.WikiEventMonitor.[SESSION]attributeAdded()\n added "
           + _event.getName()
           + _event.toString());
   LOG.info(Objects.toString(_event.getValue().toString()));
   LOG.info(Objects.toString(_event.getSource()));
 }
 @Override
 public void attributeAdded(ServletContextAttributeEvent _event) {
   System.out.println(
       "edu.temple.cis3238.wiki.WikiEventMonitor.attributeAdded()\n added "
           + _event.getName()
           + _event.toString());
   LOG.info(Objects.toString(_event.getSource()));
 }