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package javax.servlet;
/**
* This is the event class for notifications of changes to the
* attributes of the servlet request in an application.
* @see ServletRequestAttributeListener
* @since Servlet 2.4
*/
public class ServletRequestAttributeEvent extends ServletRequestEvent {
private String name;
private 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.
*
* @param sc the ServletContext that is sending the event.
* @param request the ServletRequest that is sending the event.
* @param name the name of the request attribute.
* @param value the value of the request attribute.
*/
public ServletRequestAttributeEvent(ServletContext sc, ServletRequest request, String name, Object value) {
super(sc, request);
this.name = name;
this.value = value;
}
/**
* Return the name of the attribute that changed on the ServletRequest.
*
* @return the name of the changed request attribute
*/
public String getName() {
return this.name;
}
/**
* 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.
*
* @return the value of the changed request attribute
*/
public Object getValue() {
return this.value;
}
}