Applying Listeners to JSR Compliant Portlets

As per the JSR 286 Specification the following Listeners, which work with Servlet Requests, can be applied to requests targeted towards Portlets.

• ServletContextListener 
• ServletContextAttributeListener
• HttpSessionActivationListener
• HttpSessionAttributeListener
• HttpSessionBindingListener
• ServletRequestListener.

For this to work the Container needs to set a variable javax.portlet.lifecycle_phase.

Lets see an example.