package app @Grab("thymeleaf-spring3") @Controller class Example { @RequestMapping("/") public String helloWorld(Map model) { model.putAll([title: "My Page", date: new Date(), message: "Hello World"]) return "home"; } } @Configuration @Log class MvcConfiguration extends WebMvcConfigurerAdapter { @Override void addInterceptors(InterceptorRegistry registry) { log.info "Registering interceptor" registry.addInterceptor(interceptor()) } @Bean HandlerInterceptor interceptor() { log.info "Creating interceptor" [ postHandle: { request, response, handler, mav -> log.info "Intercepted: model=" + mav.model } ] as HandlerInterceptorAdapter } }