javax.servlet
Interface ServletContextAttributeListener

All Superinterfaces:

java.util.EventListener

public interface ServletContextAttributeListener

extends java.util.EventListener

Implementations of this interface recieve notifications of changes to the attribute list on the servlet context of a web application. To recieve notification events, the implementation class must be configured in the deployment descriptor for the web application.

Since:

v 2.3

See Also:

ServletContextAttributeEvent

Class-Level Live Code Examples:
Code examples whose scope spans several methods in this interface belong here. Code examples that illustrate how to use specific methods are found in the Method Detail section below.

Method Summary

void	attributeAdded(ServletContextAttributeEvent scab) Notification that a new attribute was added to the servlet context.
void	attributeRemoved(ServletContextAttributeEvent scab) Notification that an existing attribute has been remved from the servlet context.
void	attributeReplaced(ServletContextAttributeEvent scab) Notification that an attribute on the servlet context has been replaced.

Method Detail

attributeAdded

public void attributeAdded(ServletContextAttributeEvent scab)

Notification that a new attribute was added to the servlet context. Called after the attribute is added.

attributeRemoved

public void attributeRemoved(ServletContextAttributeEvent scab)

Notification that an existing attribute has been remved from the servlet context. Called after the attribute is removed.

attributeReplaced

public void attributeReplaced(ServletContextAttributeEvent scab)

Notification that an attribute on the servlet context has been replaced. Called after the attribute is replaced.