ServerBrowserEndpoint(ServerSessionEndpoint session, int id, Channel destination, String messageSelector)
protected ServerBrowserEndpoint(ServerSessionEndpoint session, int id, Channel destination, String messageSelector)
   ServerBrowserEndpoint(ServerSessionEndpoint session, int id,                         Channel destination, String messageSelector)      throws JMSException   {           this.session = session;            this.id = id;      		Filter filter = null;      		if (messageSelector != null)		{				filter = new Selector(messageSelector);				}      		iterator = destination.browse(filter).iterator();   }