Package javax.servlet
Interface ServletContextAttributeListener
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- All Superinterfaces:
java.util.EventListener
public interface ServletContextAttributeListener extends java.util.EventListenerImplementations 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:
- Servlet 2.3
- See Also:
ServletContextAttributeEvent
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Method Summary
All Methods Instance Methods Abstract Methods Modifier and Type Method Description voidattributeAdded(ServletContextAttributeEvent scae)Notification that a new attribute was added to the servlet context.voidattributeRemoved(ServletContextAttributeEvent scae)Notification that an existing attribute has been removed from the servlet context.voidattributeReplaced(ServletContextAttributeEvent scae)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 scae)
Notification that a new attribute was added to the servlet context. Called after the attribute is added.- Parameters:
scae- Information about the new attribute
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attributeRemoved
void attributeRemoved(ServletContextAttributeEvent scae)
Notification that an existing attribute has been removed from the servlet context. Called after the attribute is removed.- Parameters:
scae- Information about the removed attribute
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attributeReplaced
void attributeReplaced(ServletContextAttributeEvent scae)
Notification that an attribute on the servlet context has been replaced. Called after the attribute is replaced.- Parameters:
scae- Information about the replaced attribute
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