This method returns the permission information for the current session
identified by the thread making the call.
The thread permission session object. exception: SecurityException -
The init method for the session manager. This will be called to
instanciate the session manager.
The reference to the session manager. Parameters: permissions - The reference to the permission object.
This method will init a new session for the given thread. If one does
exist that session will be over written.
Parameters: user - The user object used to init the session. exception: SecurityException -