Package javax.servlet
Interface ServletContextAttributeListener
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- All Superinterfaces:
java.util.EventListener
- All Known Implementing Classes:
DecoratingListener
,DecoratingListener
,ManagedAttributeListener
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
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Method Summary
All Methods Instance Methods Abstract Methods Modifier and Type Method 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.
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Method Detail
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attributeAdded
void attributeAdded(ServletContextAttributeEvent scab)
Notification that a new attribute was added to the servlet context. Called after the attribute is added.
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attributeRemoved
void attributeRemoved(ServletContextAttributeEvent scab)
Notification that an existing attribute has been removed from the servlet context. Called after the attribute is removed.
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attributeReplaced
void attributeReplaced(ServletContextAttributeEvent scab)
Notification that an attribute on the servlet context has been replaced. Called after the attribute is replaced.
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