Package javax.servlet

Interface ServletContextAttributeListener

All Superinterfaces:
EventListener
public interface ServletContextAttributeListener extends EventListener
Implementations 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:

  • Method Details

    • attributeAdded

      default 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

    • attributeRemoved

      default 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

    • attributeReplaced

      default 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