/** * Returns a {@link RequestMappingHandlerAdapter} for processing requests * through annotated controller methods. Consider overriding one of these * other more fine-grained methods: * <ul> * <li>{@link #addArgumentResolvers} for adding custom argument resolvers. * <li>{@link #addReturnValueHandlers} for adding custom return value handlers. * <li>{@link #configureMessageConverters} for adding custom message converters. * </ul> */ @Bean public RequestMappingHandlerAdapter requestMappingHandlerAdapter() { List<HandlerMethodArgumentResolver> argumentResolvers = new ArrayList<HandlerMethodArgumentResolver>(); addArgumentResolvers(argumentResolvers); List<HandlerMethodReturnValueHandler> returnValueHandlers = new ArrayList<HandlerMethodReturnValueHandler>(); addReturnValueHandlers(returnValueHandlers); RequestMappingHandlerAdapter adapter = new RequestMappingHandlerAdapter(); adapter.setContentNegotiationManager(mvcContentNegotiationManager()); adapter.setMessageConverters(getMessageConverters()); adapter.setWebBindingInitializer(getConfigurableWebBindingInitializer()); adapter.setCustomArgumentResolvers(argumentResolvers); adapter.setCustomReturnValueHandlers(returnValueHandlers); if (jackson2Present) { List<RequestBodyAdvice> requestBodyAdvices = new ArrayList<RequestBodyAdvice>(); requestBodyAdvices.add(new JsonViewRequestBodyAdvice()); adapter.setRequestBodyAdvice(requestBodyAdvices); List<ResponseBodyAdvice<?>> responseBodyAdvices = new ArrayList<ResponseBodyAdvice<?>>(); responseBodyAdvices.add(new JsonViewResponseBodyAdvice()); adapter.setResponseBodyAdvice(responseBodyAdvices); } AsyncSupportConfigurer configurer = new AsyncSupportConfigurer(); configureAsyncSupport(configurer); if (configurer.getTaskExecutor() != null) { adapter.setTaskExecutor(configurer.getTaskExecutor()); } if (configurer.getTimeout() != null) { adapter.setAsyncRequestTimeout(configurer.getTimeout()); } adapter.setCallableInterceptors(configurer.getCallableInterceptors()); adapter.setDeferredResultInterceptors(configurer.getDeferredResultInterceptors()); return adapter; }