Java 2 Platform EE v1.3: Interface ServletContextAttributeListener - Java Platform, Enterprise Edition v1.3.1 API Specifications

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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

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.