ServletContextAttributeEvent and ServletContextAttributeListener

Constructor of ServletContextAttributeEvent Class

1. public ServletContextAttributeEvent(ServletContext source, java.lang.String name,java.lang.Object value): Construct a ServletContextAttributeEvent from the given context for the given attribute name and attribute value.

Methods of ServletContextAttributeEvent Class

1. public java.lang.String getName(): Return the name of the attribute that changed on the ServletContext.
2. public java.lang.Object getValue(): Returns the value of the attribute that has been added, removed, or replaced.

Methods of  ServletContextAttributeListener interface

1. void attributeAdded(ServletContextAttributeEvent event): Receives notification that an attribute has been added to the ServletContext.
2. void attributeRemoved(ServletContextAttributeEvent event): Receives notification that an attribute has been removed from the ServletContext.
3. void attributeReplaced(ServletContextAttributeEvent event): Receives notification that an attribute has been replaced from the ServletContext.