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 SummaryAll Methods Instance Methods Default Methods Modifier and Type Method Description default voidattributeAdded(ServletContextAttributeEvent scae)Notification that a new attribute was added to the servlet context.default voidattributeRemoved(ServletContextAttributeEvent scae)Notification that an existing attribute has been removed from the servlet context.default voidattributeReplaced(ServletContextAttributeEvent scae)Notification that an attribute on the servlet context has been replaced.
 
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Method Detail- 
attributeAddeddefault void attributeAdded(ServletContextAttributeEvent scae) Notification that a new attribute was added to the servlet context. Called after the attribute is added. The default implementation is a NO-OP.- Parameters:
- scae- Information about the new attribute
 
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attributeRemoveddefault void attributeRemoved(ServletContextAttributeEvent scae) Notification that an existing attribute has been removed from the servlet context. Called after the attribute is removed. The default implementation is a NO-OP.- Parameters:
- scae- Information about the removed attribute
 
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attributeReplaceddefault void attributeReplaced(ServletContextAttributeEvent scae) Notification that an attribute on the servlet context has been replaced. Called after the attribute is replaced. The default implementation is a NO-OP.- Parameters:
- scae- Information about the replaced attribute
 
 
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