Module jakarta.servlet

Package jakarta.servlet

Class ServletContextAttributeEvent

java.lang.Object

java.util.EventObject

jakarta.servlet.ServletContextEvent

jakarta.servlet.ServletContextAttributeEvent

All Implemented Interfaces:

Serializable

public class ServletContextAttributeEvent
extends ServletContextEvent

Event class for notifications about changes to the attributes of the ServletContext of a web application.

Since:

Servlet 2.3

See Also:

• ServletContextAttributeListener
• Serialized Form

Field Summary

Fields inherited from class java.util.EventObject

source

Constructor Summary

Constructors

Constructor	Description
ServletContextAttributeEvent(ServletContext source, String name, Object value)	Constructs a ServletContextAttributeEvent from the given ServletContext, attribute name, and attribute value.

Method Summary

Modifier and Type	Method	Description
String	getName()	Gets the name of the ServletContext attribute that changed.
Object	getValue()	Gets the value of the ServletContext attribute that changed.

Methods inherited from class jakarta.servlet.ServletContextEvent

getServletContext

Methods inherited from class java.util.EventObject

getSource, toString

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Details

ServletContextAttributeEvent

public ServletContextAttributeEvent(ServletContext source,
 String name,
 Object value)

Constructs a ServletContextAttributeEvent from the given ServletContext, attribute name, and attribute value.

Parameters:

source - the ServletContext whose attribute changed

name - the name of the ServletContext attribute that changed

value - the value of the ServletContext attribute that changed

Method Details

getName

public String getName()

Gets the name of the ServletContext attribute that changed.

Returns:

the name of the ServletContext attribute that changed

getValue

public Object getValue()

Gets the value of the ServletContext attribute that changed.

If the attribute was added, this is the value of the attribute. If the attribute was removed, this is the value of the removed attribute. If the attribute was replaced, this is the old value of the attribute.

Returns:

the value of the ServletContext attribute that changed