Class ServletRequestAttributeEvent

java.lang.Object

java.util.EventObject

jakarta.servlet.ServletRequestEvent

jakarta.servlet.ServletRequestAttributeEvent

All Implemented Interfaces:

Serializable

public class ServletRequestAttributeEvent
extends ServletRequestEvent

This is the event class for notifications of changes to the attributes of the servlet request in an application.

Since:

Servlet 2.4

See Also:

• ServletRequestAttributeListener
• Serialized Form

Field Summary

Fields inherited from class java.util.EventObject

source

Constructor Summary

Constructors

Constructor	Description
ServletRequestAttributeEvent(ServletContext sc, ServletRequest request, String name, Object value)	Construct a ServletRequestAttributeEvent giving the servlet context of this web application, the ServletRequest whose attributes are changing and the name and value of the attribute.

Method Summary

Modifier and Type	Method	Description
String	getName()	Return the name of the attribute that changed on the ServletRequest.
Object	getValue()	Returns the value of the attribute that has been added, removed or replaced.

Methods inherited from class jakarta.servlet.ServletRequestEvent

getServletContext, getServletRequest

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

ServletRequestAttributeEvent

public ServletRequestAttributeEvent(ServletContext sc,
 ServletRequest request,
 String name,
 Object value)

Construct a ServletRequestAttributeEvent giving the servlet context of this web application, the ServletRequest whose attributes are changing and the name and value of the attribute.

Parameters:

sc - the ServletContext that is sending the event.

request - the ServletRequest that is sending the event.

name - the name of the request attribute.

value - the value of the request attribute.

Method Details

getName

public String getName()

Return the name of the attribute that changed on the ServletRequest.

Returns:

the name of the changed request attribute

getValue

public Object getValue()

Returns the value of the attribute that has been added, removed or replaced. 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 changed request attribute