protected void afterBound(String s, Object o) {
if (o instanceof HttpSessionBindingListener) {
HttpSessionBindingListener listener = (HttpSessionBindingListener) o;
HttpSessionBindingEvent event = new HttpSessionBindingEvent(this, s, o);
listener.valueBound(event);
}
}
protected void afterUnbound(String s, Object o) {
if (o instanceof HttpSessionBindingListener) {