com.sptci.echo2.http
Class SessionListener

java.lang.Object
  com.sptci.echo2.http.SessionListener

All Implemented Interfaces:

EventListener, HttpSessionListener

public abstract class SessionListener
extends Object
implements HttpSessionListener

A HttpSessionListener to close any resources that are associated with the Application instance and its sub-classes.

© Copyright 2007 Sans Pareil Technologies, Inc.

Version:

$Id: SessionListener.java 4553 2008-12-24 10:34:16Z rakesh $

Author:

Rakesh Vidyadharan 2007-05-27

Field Summary

protected static String	CONTAINER_INSTANCE The session attribute associated with ContainerInstance.
protected static Logger	logger The logger to use to log messages to.

Constructor Summary

SessionListener()

Method Summary

protected abstract void	close(HttpSession session) Close any resources associated with the session.
void	sessionCreated(HttpSessionEvent event) Add the current session to the servlet context to be handled when the context is unloaded.
void	sessionDestroyed(HttpSessionEvent event) Close the persistence manager when the session is destroyed.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

CONTAINER_INSTANCE

protected static final String CONTAINER_INSTANCE

The session attribute associated with ContainerInstance. This assumes that the Servlet is configured with a name servlet in web.xml. "Echo2UserInstance:servlet"

See Also:

Constant Field Values

logger

protected static final Logger logger

The logger to use to log messages to.

Constructor Detail

SessionListener

public SessionListener()

Method Detail

sessionCreated

public void sessionCreated(HttpSessionEvent event)

Add the current session to the servlet context to be handled when the context is unloaded.

Specified by:

sessionCreated in interface HttpSessionListener

See Also:

ContextListener.add(javax.servlet.http.HttpSession, com.sptci.echo2.http.SessionListener)

sessionDestroyed

public void sessionDestroyed(HttpSessionEvent event)

Close the persistence manager when the session is destroyed. Session is destroyed when the user logs out of the application, or closes the browser.

Specified by:

sessionDestroyed in interface HttpSessionListener

See Also:

close(javax.servlet.http.HttpSession), ContextListener.remove(javax.servlet.http.HttpSession)

close

protected abstract void close(HttpSession session)

Close any resources associated with the session. Sub-classes must over-ride this method.

Parameters:

session - The session in which the connection was established.