import org.springframework.web.servlet.mvc.method.annotation.ResponseBodyAdvice; //导入依赖的package包/类
/**
 * A method available to subclasses for adding default {@link HandlerExceptionResolver}s.
 * <p>Adds the following exception resolvers:
 * <ul>
 * <li>{@link ExceptionHandlerExceptionResolver}
 * for handling exceptions through @{@link ExceptionHandler} methods.
 * <li>{@link ResponseStatusExceptionResolver}
 * for exceptions annotated with @{@link ResponseStatus}.
 * <li>{@link DefaultHandlerExceptionResolver}
 * for resolving known Spring exception types
 * </ul>
 */
protected final void addDefaultHandlerExceptionResolvers(List<HandlerExceptionResolver> exceptionResolvers) {
	ExceptionHandlerExceptionResolver exceptionHandlerExceptionResolver = new ExceptionHandlerExceptionResolver();
	exceptionHandlerExceptionResolver.setContentNegotiationManager(mvcContentNegotiationManager());
	exceptionHandlerExceptionResolver.setMessageConverters(getMessageConverters());
	if (jackson2Present) {
		List<ResponseBodyAdvice<?>> interceptors = new ArrayList<ResponseBodyAdvice<?>>();
		interceptors.add(new JsonViewResponseBodyAdvice());
		exceptionHandlerExceptionResolver.setResponseBodyAdvice(interceptors);
	}
	exceptionHandlerExceptionResolver.setApplicationContext(this.applicationContext);
	exceptionHandlerExceptionResolver.afterPropertiesSet();
	exceptionResolvers.add(exceptionHandlerExceptionResolver);

	ResponseStatusExceptionResolver responseStatusExceptionResolver = new ResponseStatusExceptionResolver();
	responseStatusExceptionResolver.setMessageSource(this.applicationContext);
	exceptionResolvers.add(responseStatusExceptionResolver);

	exceptionResolvers.add(new DefaultHandlerExceptionResolver());
}
 

import org.springframework.web.servlet.mvc.method.annotation.ResponseBodyAdvice; //导入依赖的package包/类
/**
 * 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;
}
 

import org.springframework.web.servlet.mvc.method.annotation.ResponseBodyAdvice; //导入依赖的package包/类
@SuppressWarnings("unchecked")
private void verifyResponseBodyAdvice(Object bean) {
	assertNotNull(bean);
	Object value = new DirectFieldAccessor(bean).getPropertyValue("responseBodyAdvice");
	assertNotNull(value);
	assertTrue(value instanceof List);
	List<ResponseBodyAdvice> converters = (List<ResponseBodyAdvice>) value;
	assertTrue(converters.get(0) instanceof JsonViewResponseBodyAdvice);
}
 

import org.springframework.web.servlet.mvc.method.annotation.ResponseBodyAdvice; //导入依赖的package包/类
@SuppressWarnings("unchecked")
private void verifyRequestResponseBodyAdvice(Object bean) {
	assertNotNull(bean);
	Object value = new DirectFieldAccessor(bean).getPropertyValue("requestResponseBodyAdvice");
	assertNotNull(value);
	assertTrue(value instanceof List);
	List<ResponseBodyAdvice> converters = (List<ResponseBodyAdvice>) value;
	assertTrue(converters.get(0) instanceof JsonViewRequestBodyAdvice);
	assertTrue(converters.get(1) instanceof JsonViewResponseBodyAdvice);
}
 

import org.springframework.web.servlet.mvc.method.annotation.ResponseBodyAdvice; //导入依赖的package包/类
@Bean
    public ResponseBodyAdvice<Object> converter() {
//        return new MappingJackson2HttpMessageConverter();
        return new JacksonResponseBodyJsonAdvice();
    }