Package javax.servlet.http
Class HttpSessionBindingEvent
- 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:
- java.io.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 anHttpSessionAttributeListenerthat 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.
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Constructor SummaryConstructors Constructor Description HttpSessionBindingEvent(HttpSession session, java.lang.String name)Constructs an event that notifies an object that it has been bound to or unbound from a session.HttpSessionBindingEvent(HttpSession session, java.lang.String name, java.lang.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 SummaryAll Methods Instance Methods Concrete Methods Modifier and Type Method Description java.lang.StringgetName()Returns the name with which the attribute is bound to or unbound from the session.HttpSessiongetSession()Get the session that changed.java.lang.ObjectgetValue()Returns the value of the attribute that has been added, removed or replaced.
 
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Constructor Detail- 
HttpSessionBindingEventpublic HttpSessionBindingEvent(HttpSession session, java.lang.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 unbound
- name- the name with which the object is bound or unbound
- See Also:
- getName(),- getSession()
 
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HttpSessionBindingEventpublic HttpSessionBindingEvent(HttpSession session, java.lang.String name, java.lang.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 unbound
- name- the name with which the object is bound or unbound
- value- the object that is bound or unbound
- See Also:
- getName(),- getSession(),- getValue()
 
 
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Method Detail- 
getSessionpublic HttpSession getSession() Get the session that changed.- Overrides:
- getSessionin class- HttpSessionEvent
- Returns:
- The session that changed
 
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getNamepublic java.lang.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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getValuepublic java.lang.Object getValue() Returns the value of the attribute that has been added, removed or replaced.- Returns:
- 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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