bradleyross.j2ee.listeners

Class SampleListener

java.lang.Object

bradleyross.j2ee.listeners.SampleListener

All Implemented Interfaces:

EventListener, ServletContextListener

@WebListener
public class SampleListener
extends Object
implements ServletContextListener

Demonstration listener.

When the listener is linked to a context, it places a message on the log when the context is started and when it is stopped.

Author:

Bradley Ross

See Also:

ServletContextEvent, ServletContext, WebListener

Field Summary

Fields

Modifier and Type	Field and Description
protected Logger	logger

Constructor Summary

Constructors

Constructor and Description
SampleListener() Constructor initializing instance.

Method Summary

Modifier and Type	Method and Description
void	contextDestroyed(ServletContextEvent arg0) Method to be executed when context is destroyed.
void	contextInitialized(ServletContextEvent arg0) Method to be executed when context is initialized.

Methods inherited from class java.lang.Object

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

Field Detail

logger

protected Logger logger

Constructor Detail

SampleListener

public SampleListener()

Constructor initializing instance.

Method Detail

contextDestroyed

public void contextDestroyed(ServletContextEvent arg0)

Method to be executed when context is destroyed.

In this sample, it places a message in the log4j log file.

Specified by:

contextDestroyed in interface ServletContextListener

Parameters:

arg0 - event object describing destruction of context

contextInitialized

public void contextInitialized(ServletContextEvent arg0)

Method to be executed when context is initialized.

This method places a message in the log4j log file.

Specified by:

contextInitialized in interface ServletContextListener

Parameters:

arg0 - context event describing initialization of context