Java Reference
In-Depth Information
The
HttpSessionBindingListener
Interface
public interface HttpSessionBindingListener
extends java.util.EventListener
The
HttpSessionBindingListener
interface defines methods that an object can implement if
it wants to be notified of an object in the session being bound or unbound. The
HttpSessionBindingListener
interface has two methods, described in the following sections.
The
valueBound()
Method
public void valueBound(HttpSessionBindingEvent event)
C
The
valueBound()
method notifies a listener that the object is being bound into a session.
valueBound()
returns no value and throws no exceptions.
It has one parameter:
•
HttpSessionBindingEvent
The
valueUnBound()
Method
public void valueUnBound(HttpSessionBindingEvent event)
The
valueUnBound()
method notifies a listener that the object is being unbound from a ses-
sion.
valueUnBound()
returns no value and throws no exceptions.
It has one parameter:
•
HttpSessionBindingEvent
Classes
The four classes for the
java.servlet.http
package are
Cookie
,
HttpServlet
,
HttpSessionBindingEvent
, and
HttpUtils
.
The
Cookie
Class
public class Cookie
extends java.lang.Object
implements java.lang.Cloneable
The
Cookie
class represents a cookie used for session management in HTTP protocols.
Cookies are name/value pairs that are created by the server and stored in the client. The
Cookie
class has 17 methods, described in the following sections.
The
Cookie()
Method
public Cookie(java.lang.String name,
java.lang.String value)
