code: @Override
  	public boolean assertAuthenticated(SocializeService service, SocializeSession session, SocializeListener listener) {
  		if(session != null) {
  			return true;
  		}
  		else {
  			if(listener != null) {
  				if(logger != null) {
  					listener.onError(new SocializeException(logger.getMessage(SocializeLogger.NOT_AUTHENTICATED)));
  				}
  				else {
  					listener.onError(new SocializeException("Not authenticated"));
  				}
  			}
  			if(logger != null) logger.error(SocializeLogger.NOT_AUTHENTICATED);
  		}
  		return false;
  	}
docs: /* (non-Javadoc)
  @see com.socialize.init.SocializeInitializationAsserter#assertAuthenticated(com.socialize.api.SocializeSession, com.socialize.listener.SocializeListener)