@Autowired
// org.springframework.web.servlet.mvc.annotation.DefaultAnnotationHandlerMapping
private DefaultAnnotationHandlerMapping defaultAnnotationHandlerMapping;

public void outputMappings() {
for (Map.Entry<String, Object> entry :
    defaultAnnotationHandlerMapping.getHandlerMap().entrySet()) {
        System.out.println(entry.getKey() + "->" +
                           entry.getValue().getClass().getName());
    }

}