public interface ServletContextAttributeListener
extends java.util.EventListener
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.
ServletContextAttributeEvent
Modifier and Type | Method and Description |
---|---|
default void |
attributeAdded(ServletContextAttributeEvent event)
Receives notification that an attribute has been added to the ServletContext.
|
default void |
attributeRemoved(ServletContextAttributeEvent event)
Receives notification that an attribute has been removed from the ServletContext.
|
default void |
attributeReplaced(ServletContextAttributeEvent event)
Receives notification that an attribute has been replaced in the ServletContext.
|
default void attributeAdded(ServletContextAttributeEvent event)
event
- the ServletContextAttributeEvent containing the ServletContext to which the attribute was added, along
with the attribute name and valuedefault void attributeRemoved(ServletContextAttributeEvent event)
event
- the ServletContextAttributeEvent containing the ServletContext from which the attribute was removed,
along with the attribute name and valuedefault void attributeReplaced(ServletContextAttributeEvent event)
event
- the ServletContextAttributeEvent containing the ServletContext in which the attribute was replaced,
along with the attribute name and its old value