examples.servlets.lifecycle
Class SessionAttributeListener

java.lang.Object
  |
  +--examples.servlets.lifecycle.SessionAttributeListener

All Implemented Interfaces:

java.util.EventListener, javax.servlet.http.HttpSessionAttributeListener

public class SessionAttributeListener

extends java.lang.Object

implements javax.servlet.http.HttpSessionAttributeListener

SessionAttribueListener is a servlet listener class that implements the javax.Servlet.http.HttpSessionAttributeListener interface. This class implements the attributeAdded, attributeRemoved, and attributeReplaced methods to log the calls of them to standard out. These methods are called when a client changes any attributes of an Http Session

Author:

Copyright (c) 2002 by BEA Systems, Inc. All Rights Reserved.

Constructor Summary

SessionAttributeListener()

Method Summary

void	attributeAdded(javax.servlet.http.HttpSessionBindingEvent evt) log the call of attributeAdded.
void	attributeRemoved(javax.servlet.http.HttpSessionBindingEvent evt) log the call of attributeRemoved.
void	attributeReplaced(javax.servlet.http.HttpSessionBindingEvent evt) log the call of attributeReplaced.
void	log(java.lang.String s) log method to prepend all messages from this class with [SessionAttributeListener]

Methods inherited from class java.lang.Object

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

Constructor Detail

SessionAttributeListener

public SessionAttributeListener()

Method Detail

attributeAdded

public void attributeAdded(javax.servlet.http.HttpSessionBindingEvent evt)

log the call of attributeAdded. This is called when ever an attribute is bound to the session.

Specified by:

attributeAdded in interface javax.servlet.http.HttpSessionAttributeListener

attributeRemoved

public void attributeRemoved(javax.servlet.http.HttpSessionBindingEvent evt)

log the call of attributeRemoved. This is called when ever an attribute is removed from the session.

Specified by:

attributeRemoved in interface javax.servlet.http.HttpSessionAttributeListener

attributeReplaced

public void attributeReplaced(javax.servlet.http.HttpSessionBindingEvent evt)

log the call of attributeReplaced. This is called when ever an attribute is replaced in the session.

Specified by:

attributeReplaced in interface javax.servlet.http.HttpSessionAttributeListener

log

public void log(java.lang.String s)

log method to prepend all messages from this class with [SessionAttributeListener]