javax.servlet
public interface ServletContextAttributeListener extends 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 |
---|---|
void |
attributeAdded(ServletContextAttributeEvent event)
Receives notification that an attribute has been added to the
ServletContext.
|
void |
attributeRemoved(ServletContextAttributeEvent event)
Receives notification that an attribute has been removed
from the ServletContext.
|
void |
attributeReplaced(ServletContextAttributeEvent event) |
void attributeAdded(ServletContextAttributeEvent event)
event
- the ServletContextAttributeEvent containing the
ServletContext to which the attribute was added, along with the
attribute name and valuevoid attributeRemoved(ServletContextAttributeEvent event)
event
- the ServletContextAttributeEvent containing the
ServletContext from which the attribute was removed, along with
the attribute name and valuevoid attributeReplaced(ServletContextAttributeEvent event)
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