javax.servlet

Interface ServletContextAttributeListener

All Superinterfaces:

java.util.EventListener

public interface ServletContextAttributeListener
extends java.util.EventListener

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

Since:

v 2.3

See Also:

ServletContextAttributeEvent

Method Summary

Methods

Modifier and Type	Method and Description
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 removed from the servlet context.
void	attributeReplaced(ServletContextAttributeEvent scab) Notification that an attribute on the servlet context has been replaced.

Method Detail

attributeAdded

void attributeAdded(ServletContextAttributeEvent scab)

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

attributeRemoved

void attributeRemoved(ServletContextAttributeEvent scab)

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

attributeReplaced

void attributeReplaced(ServletContextAttributeEvent scab)

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