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luni, 13 aprilie 2015

[OmniFaces utilities (2.0)] Invalidates the current HTTP session


[OmniFaces utilities] The invalidateSession() method invalidates the current HTTP session. So, any subsequent HTTP request will get a new one when necessary.

Method:
See also: Faces#getContext()
Usage:

import org.omnifaces.util.Faces;
...
// before invalidate the session session ID may be: XY4i-kp_0NIDotbQaugGaM3P
String sessionId = Faces.getSessionId();

// invalidate the session
Faces.invalidateSession();

// after invalidate the session, Faces#getSessionId() will return null
String sessionId = Faces.getSessionId();

Note that the user principal is still present in the response of the current request, it's therefore recommend to send a redirect after #logout() or #invalidateSession(). You can use #redirect(String,String...) for this:

Faces.invalidateSession();
Faces.redirect(...);  // throw IOException

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