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Tip of the Day
Language: Java
Expertise: Intermediate
Mar 20, 2001

Determine Whether a User Session Has Expired or Been Removed


Define a class, say SessionTimeoutIndicator, which implements the interface javax.servlet.http.HttpSessionBindingListener. Next create a SessionTimeoutIndicator object and add it to the user session. When the session is removed, the SessionTimeoutIndicator.valueUnbound() method will be called by the Servlet engine. You can then implement valueUnbound() to do the required operation.
Narasimhan Chakravarthy
 
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