public void init(ServletConfig config) throws ServletException {
super.init(config);
returnToPath = getInitParameter("return_to_path", "/openid");
homePath = getInitParameter("home_path", "/");
realm = getInitParameter("realm", null);
ConsumerFactory factory = new ConsumerFactory(new InMemoryConsumerAssociationStore());
consumerHelper = factory.getConsumerHelper();
}