public class JAXRSUserModelServlet extends CXFNonSpringJaxrsServlet  {

    @Override
    public void loadBus(ServletConfig servletConfig) throws ServletException {
        super.loadBus(servletConfig);

        JAXRSServerFactoryBean sf = new JAXRSServerFactoryBean();
        String address = servletConfig.getInitParameter(SERVICE_ADDRESS_PARAM); //jaxrs.address
        if (address == null) {
            address = "/";
        }
        sf.setAddress(address);

        // modelRef needs to start from 'classpath:', ex 'classpath:/WEB-INF/models/model1.xml
        String modelRef = servletConfig.getInitParameter("user.model");
        sf.setModelRef(modelRef);
        sf.create();
    }
}