- java.lang.Object
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- java.util.EventObject
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- javax.servlet.http.HttpSessionEvent
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- javax.servlet.http.HttpSessionBindingEvent
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- All Implemented Interfaces:
- Serializable
public class HttpSessionBindingEvent extends HttpSessionEvent
Events of this type are either sent to an object that implementsHttpSessionBindingListenerwhen it is bound or unbound from a session, or to aHttpSessionAttributeListenerthat has been configured in the deployment descriptor when any attribute is bound, unbound or replaced in a session.The session binds the object by a call to
HttpSession.setAttributeand unbinds the object by a call toHttpSession.removeAttribute.- Author:
- Various
- See Also:
HttpSession,HttpSessionBindingListener,HttpSessionAttributeListener, Serialized Form
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Field Summary
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Fields inherited from class java.util.EventObject
source
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Constructor Summary
Constructors Constructor and Description HttpSessionBindingEvent(HttpSession session, String name)Constructs an event that notifies an object that it has been bound to or unbound from a session.HttpSessionBindingEvent(HttpSession session, String name, Object value)Constructs an event that notifies an object that it has been bound to or unbound from a session.
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method and Description StringgetName()Returns the name with which the attribute is bound to or unbound from the session.HttpSessiongetSession()Return the session that changed.ObjectgetValue()Returns the value of the attribute that has been added, removed or replaced.
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Constructor Detail
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HttpSessionBindingEvent
public HttpSessionBindingEvent(HttpSession session, String name)
Constructs an event that notifies an object that it has been bound to or unbound from a session. To receive the event, the object must implementHttpSessionBindingListener.- Parameters:
session- the session to which the object is bound or unboundname- the name with which the object is bound or unbound- See Also:
getName(),getSession()
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HttpSessionBindingEvent
public HttpSessionBindingEvent(HttpSession session, String name, Object value)
Constructs an event that notifies an object that it has been bound to or unbound from a session. To receive the event, the object must implementHttpSessionBindingListener.- Parameters:
session- the session to which the object is bound or unboundname- the name with which the object is bound or unbound- See Also:
getName(),getSession()
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Method Detail
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getSession
public HttpSession getSession()
Return the session that changed.- Overrides:
getSessionin classHttpSessionEvent
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getName
public String getName()
Returns the name with which the attribute is bound to or unbound from the session.- Returns:
- a string specifying the name with which the object is bound to or unbound from the session
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getValue
public Object getValue()
Returns the value of the attribute that has been added, removed or replaced. If the attribute was added (or bound), this is the value of the attribute. If the attribute was removed (or unbound), this is the value of the removed attribute. If the attribute was replaced, this is the old value of the attribute.- Since:
- Servlet 2.3
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Document créé le 14/09/2006, dernière modification le 18/08/2025
Source du document imprimé : https://www.gaudry.be/java-api-javaee-rf-javax/servlet/http/httpsessionbindingevent.html
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