/* * This is free software; you can redistribute it and/or modify it * under the terms of the GNU Lesser General Public License as * published by the Free Software Foundation; either version 2.1 of * the License, or (at your option) any later version. * * This software is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this software; if not, write to the Free * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA * 02110-1301 USA, or see the FSF site: http://www.fsf.org. */ package javax.servlet.sip; /** * This listener interface can be implemented in order to get notifications of changes to the attribute lists of sessions within this SIP servlet application. */ public interface SipSessionAttributeListener extends java.util.EventListener{ /** * Notification that an attribute has been added to a session. Called after the attribute is added. */ void attributeAdded(javax.servlet.sip.SipSessionBindingEvent ev); /** * Notification that an attribute has been removed from a session. Called after the attribute is removed. */ void attributeRemoved(javax.servlet.sip.SipSessionBindingEvent ev); /** * Notification that an attribute has been replaced in a session. Called after the attribute is replaced. */ void attributeReplaced(javax.servlet.sip.SipSessionBindingEvent ev); }