session监听

 

import javax.servlet.http.HttpSession;
import javax.servlet.http.HttpSessionEvent;
import javax.servlet.http.HttpSessionListener;

import com.soft.bi.pms.utils.web.filter.SessionManager;

public class SessionListener implements HttpSessionListener
{

    public void sessionCreated(HttpSessionEvent event)
    {

    }

    public void sessionDestroyed(HttpSessionEvent event)
    {
        HttpSession session = event.getSession();
        if (!session.isNew())
        {
            SessionManager sessionManager = (SessionManager) session
                    .getAttribute("sessionManager");
            if (sessionManager != null)
                sessionManager.sessionDestroyed();
            session.setAttribute("sessionManager", null);
        }
    }

}