Package javax.servlet

Interface ServletContextAttributeListener

  • All Superinterfaces:
    java.util.EventListener
    All Known Implementing Classes:
    DecoratingListener, ManagedAttributeListener

    public interface ServletContextAttributeListener
    extends java.util.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:
    v 2.3
    See Also:
    ServletContextAttributeEvent
    • Method Detail

      • attributeAdded

        void attributeAdded​(ServletContextAttributeEvent scae)
        Notification that a new attribute was added to the servlet context. Called after the attribute is added.
        Parameters:
        scae - Information about the new attribute
      • attributeRemoved

        void attributeRemoved​(ServletContextAttributeEvent scae)
        Notification that an existing attribute has been removed from the servlet context. Called after the attribute is removed.
        Parameters:
        scae - Information about the removed attribute
      • attributeReplaced

        void attributeReplaced​(ServletContextAttributeEvent scae)
        Notification that an attribute on the servlet context has been replaced. Called after the attribute is replaced.
        Parameters:
        scae - Information about the replaced attribute