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package jakarta.servlet;

This is the event class for notifications of changes to the attributes of the servlet request in an application.
See Also:
  • ServletRequestAttributeListener
Since:Servlet 2.4
/** * 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 static final long serialVersionUID = 1L; private final String name; private final 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.
Params:
  • 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.
/** * 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.
Returns:the name of the changed request attribute
/** * 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.
Returns:the value of the changed request attribute
/** * 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; } }