Package javax.servlet
Interface ServletContextAttributeListener
- All Superinterfaces:
EventListener
Interface for receiving notification events about ServletContext
attribute changes.
In order to receive these notification events, the implementation
class must be either declared in the deployment descriptor of the web
application, annotated with WebListener
,
or registered via one of the addListener methods defined on
ServletContext
.
The order in which implementations of this interface are invoked is unspecified.
- Since:
- Servlet 2.3
- See Also:
-
Method Summary
Modifier and TypeMethodDescriptionvoid
Receives notification that an attribute has been added to the ServletContext.void
Receives notification that an attribute has been removed from the ServletContext.void
-
Method Details
-
attributeAdded
Receives notification that an attribute has been added to the ServletContext.- Parameters:
event
- the ServletContextAttributeEvent containing the ServletContext to which the attribute was added, along with the attribute name and value
-
attributeRemoved
Receives notification that an attribute has been removed from the ServletContext.- Parameters:
event
- the ServletContextAttributeEvent containing the ServletContext from which the attribute was removed, along with the attribute name and value
-
attributeReplaced
-