/**
* <p>Save the specified messages keys into the appropriate session
* attribute for use by the <html:messages> tag (if
* messages="true" is set), if any messages are required. Otherwise,
* ensure that the session attribute is not created.</p>
*
* @param \Symfony\Component\HttpFoundation\Session\Session session The session to save the messages in.
* @param \Phruts\Action\ActionMessages messages The messages to save. <code>null</code> or
* empty messages removes any existing \Phruts\Action\ActionMessages in the session.
*
* @since Struts 1.2
*/
protected function saveMessagesSession(Session $session, ActionMessages $messages = null)
{
// Remove any messages attribute if none are required
if ($messages == null || $messages->isEmpty()) {
$session->remove(\Phruts\Util\Globals::MESSAGE_KEY);
return;
}
// Save the messages we need
$session->set(\Phruts\Util\Globals::MESSAGE_KEY, $messages);
}
