org.appfuse.webapp.listener
Class UserCounterListener
java.lang.Object
org.appfuse.webapp.listener.UserCounterListener
- All Implemented Interfaces:
- EventListener, HttpSessionAttributeListener, ServletContextListener
public class UserCounterListener
- extends Object
- implements ServletContextListener, HttpSessionAttributeListener
UserCounterListener class used to count the current number
of active users for the applications. Does this by counting
how many user objects are stuffed into the session. It Also grabs
these users and exposes them in the servlet context.
- Author:
- Matt Raible
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
COUNT_KEY
public static final String COUNT_KEY
- See Also:
- Constant Field Values
USERS_KEY
public static final String USERS_KEY
- See Also:
- Constant Field Values
EVENT_KEY
public static final String EVENT_KEY
- See Also:
- Constant Field Values
UserCounterListener
public UserCounterListener()
contextInitialized
public void contextInitialized(ServletContextEvent sce)
- Specified by:
contextInitialized
in interface ServletContextListener
contextDestroyed
public void contextDestroyed(ServletContextEvent event)
- Specified by:
contextDestroyed
in interface ServletContextListener
attributeAdded
public void attributeAdded(HttpSessionBindingEvent event)
- This method is designed to catch when user's login and record their name
- Specified by:
attributeAdded
in interface HttpSessionAttributeListener
- See Also:
HttpSessionAttributeListener.attributeAdded(javax.servlet.http.HttpSessionBindingEvent)
attributeRemoved
public void attributeRemoved(HttpSessionBindingEvent event)
- When user's logout, remove their name from the hashMap
- Specified by:
attributeRemoved
in interface HttpSessionAttributeListener
- See Also:
HttpSessionAttributeListener.attributeRemoved(javax.servlet.http.HttpSessionBindingEvent)
attributeReplaced
public void attributeReplaced(HttpSessionBindingEvent event)
- Needed for Acegi Security 1.0, as it adds an anonymous user to the session and
then replaces it after authentication. http://forum.springframework.org/showthread.php?p=63593
- Specified by:
attributeReplaced
in interface HttpSessionAttributeListener
- See Also:
HttpSessionAttributeListener.attributeReplaced(javax.servlet.http.HttpSessionBindingEvent)
Copyright � 2002-2006