org.springframework.web.servlet.mvc.method.annotation.JsonViewResponseBodyAdvice Java Examples

/**
 * A method available to subclasses for adding default
 * {@link HandlerExceptionResolver HandlerExceptionResolvers}.
 * <p>Adds the following exception resolvers:
 * <ul>
 * <li>{@link ExceptionHandlerExceptionResolver} for handling exceptions through
 * {@link org.springframework.web.bind.annotation.ExceptionHandler} methods.
 * <li>{@link ResponseStatusExceptionResolver} for exceptions annotated with
 * {@link org.springframework.web.bind.annotation.ResponseStatus}.
 * <li>{@link DefaultHandlerExceptionResolver} for resolving known Spring exception types
 * </ul>
 */
protected final void addDefaultHandlerExceptionResolvers(List<HandlerExceptionResolver> exceptionResolvers,
		ContentNegotiationManager mvcContentNegotiationManager) {
	ExceptionHandlerExceptionResolver exceptionHandlerResolver = createExceptionHandlerExceptionResolver();
	exceptionHandlerResolver.setContentNegotiationManager(mvcContentNegotiationManager);
	exceptionHandlerResolver.setMessageConverters(getMessageConverters());
	exceptionHandlerResolver.setCustomArgumentResolvers(getArgumentResolvers());
	exceptionHandlerResolver.setCustomReturnValueHandlers(getReturnValueHandlers());
	if (jackson2Present) {
		exceptionHandlerResolver.setResponseBodyAdvice(
				Collections.singletonList(new JsonViewResponseBodyAdvice()));
	}
	if (this.applicationContext != null) {
		exceptionHandlerResolver.setApplicationContext(this.applicationContext);
	}
	exceptionHandlerResolver.afterPropertiesSet();
	exceptionResolvers.add(exceptionHandlerResolver);

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

	exceptionResolvers.add(new DefaultHandlerExceptionResolver());
}
 

/**
 * 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());
}
 

/**
 * A method available to subclasses for adding default
 * {@link HandlerExceptionResolver HandlerExceptionResolvers}.
 * <p>Adds the following exception resolvers:
 * <ul>
 * <li>{@link ExceptionHandlerExceptionResolver} for handling exceptions through
 * {@link org.springframework.web.bind.annotation.ExceptionHandler} methods.
 * <li>{@link ResponseStatusExceptionResolver} for exceptions annotated with
 * {@link org.springframework.web.bind.annotation.ResponseStatus}.
 * <li>{@link DefaultHandlerExceptionResolver} for resolving known Spring exception types
 * </ul>
 */
protected final void addDefaultHandlerExceptionResolvers(List<HandlerExceptionResolver> exceptionResolvers) {
	ExceptionHandlerExceptionResolver exceptionHandlerResolver = createExceptionHandlerExceptionResolver();
	exceptionHandlerResolver.setContentNegotiationManager(mvcContentNegotiationManager());
	exceptionHandlerResolver.setMessageConverters(getMessageConverters());
	exceptionHandlerResolver.setCustomArgumentResolvers(getArgumentResolvers());
	exceptionHandlerResolver.setCustomReturnValueHandlers(getReturnValueHandlers());
	if (jackson2Present) {
		exceptionHandlerResolver.setResponseBodyAdvice(
				Collections.singletonList(new JsonViewResponseBodyAdvice()));
	}
	if (this.applicationContext != null) {
		exceptionHandlerResolver.setApplicationContext(this.applicationContext);
	}
	exceptionHandlerResolver.afterPropertiesSet();
	exceptionResolvers.add(exceptionHandlerResolver);

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

	exceptionResolvers.add(new DefaultHandlerExceptionResolver());
}
 

/**
 * 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 exceptionHandlerResolver = createExceptionHandlerExceptionResolver();
	exceptionHandlerResolver.setContentNegotiationManager(mvcContentNegotiationManager());
	exceptionHandlerResolver.setMessageConverters(getMessageConverters());
	exceptionHandlerResolver.setCustomArgumentResolvers(getArgumentResolvers());
	exceptionHandlerResolver.setCustomReturnValueHandlers(getReturnValueHandlers());
	if (jackson2Present) {
		exceptionHandlerResolver.setResponseBodyAdvice(
				Collections.<ResponseBodyAdvice<?>>singletonList(new JsonViewResponseBodyAdvice()));
	}
	exceptionHandlerResolver.setApplicationContext(this.applicationContext);
	exceptionHandlerResolver.afterPropertiesSet();
	exceptionResolvers.add(exceptionHandlerResolver);

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

	exceptionResolvers.add(new DefaultHandlerExceptionResolver());
}
 

@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);
}
 

/**
 * 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(
		ContentNegotiationManager mvcContentNegotiationManager,
		FormattingConversionService mvcConversionService,
		Validator mvcValidator) {
	RequestMappingHandlerAdapter adapter = createRequestMappingHandlerAdapter();
	adapter.setContentNegotiationManager(mvcContentNegotiationManager);
	adapter.setMessageConverters(getMessageConverters());
	adapter.setWebBindingInitializer(getConfigurableWebBindingInitializer(mvcConversionService, mvcValidator));
	adapter.setCustomArgumentResolvers(getArgumentResolvers());
	adapter.setCustomReturnValueHandlers(getReturnValueHandlers());

	if (jackson2Present) {
		adapter.setRequestBodyAdvice(Collections.singletonList(new JsonViewRequestBodyAdvice()));
		adapter.setResponseBodyAdvice(Collections.singletonList(new JsonViewResponseBodyAdvice()));
	}

	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;
}
 

@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);
}
 

@Test
@SuppressWarnings("unchecked")
public void handlerExceptionResolver() throws Exception {
	ApplicationContext context = initContext(WebConfig.class);
	HandlerExceptionResolverComposite compositeResolver =
			context.getBean("handlerExceptionResolver", HandlerExceptionResolverComposite.class);

	assertEquals(0, compositeResolver.getOrder());
	List<HandlerExceptionResolver> expectedResolvers = compositeResolver.getExceptionResolvers();

	assertEquals(ExceptionHandlerExceptionResolver.class, expectedResolvers.get(0).getClass());
	assertEquals(ResponseStatusExceptionResolver.class, expectedResolvers.get(1).getClass());
	assertEquals(DefaultHandlerExceptionResolver.class, expectedResolvers.get(2).getClass());

	ExceptionHandlerExceptionResolver eher = (ExceptionHandlerExceptionResolver) expectedResolvers.get(0);
	assertNotNull(eher.getApplicationContext());

	DirectFieldAccessor fieldAccessor = new DirectFieldAccessor(eher);
	List<Object> interceptors = (List<Object>) fieldAccessor.getPropertyValue("responseBodyAdvice");
	assertEquals(1, interceptors.size());
	assertEquals(JsonViewResponseBodyAdvice.class, interceptors.get(0).getClass());

	LocaleContextHolder.setLocale(Locale.ENGLISH);
	try {
		ResponseStatusExceptionResolver rser = (ResponseStatusExceptionResolver) expectedResolvers.get(1);
		MockHttpServletRequest request = new MockHttpServletRequest("GET", "/");
		MockHttpServletResponse response = new MockHttpServletResponse();
		rser.resolveException(request, response, context.getBean(TestController.class), new UserAlreadyExistsException());
		assertEquals("User already exists!", response.getErrorMessage());
	}
	finally {
		LocaleContextHolder.resetLocaleContext();
	}
}
 

@Test
public void requestMappingHandlerAdapter() throws Exception {
	ApplicationContext context = initContext(WebConfig.class);
	RequestMappingHandlerAdapter adapter = context.getBean(RequestMappingHandlerAdapter.class);
	List<HttpMessageConverter<?>> converters = adapter.getMessageConverters();
	assertEquals(9, converters.size());
	for(HttpMessageConverter<?> converter : converters) {
		if (converter instanceof AbstractJackson2HttpMessageConverter) {
			ObjectMapper objectMapper = ((AbstractJackson2HttpMessageConverter)converter).getObjectMapper();
			assertFalse(objectMapper.getDeserializationConfig().isEnabled(MapperFeature.DEFAULT_VIEW_INCLUSION));
			assertFalse(objectMapper.getSerializationConfig().isEnabled(MapperFeature.DEFAULT_VIEW_INCLUSION));
			assertFalse(objectMapper.getDeserializationConfig().isEnabled(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES));
			if (converter instanceof MappingJackson2XmlHttpMessageConverter) {
				assertEquals(XmlMapper.class, objectMapper.getClass());
			}
		}
	}

	ConfigurableWebBindingInitializer initializer = (ConfigurableWebBindingInitializer) adapter.getWebBindingInitializer();
	assertNotNull(initializer);

	ConversionService conversionService = initializer.getConversionService();
	assertNotNull(conversionService);
	assertTrue(conversionService instanceof FormattingConversionService);

	Validator validator = initializer.getValidator();
	assertNotNull(validator);
	assertTrue(validator instanceof LocalValidatorFactoryBean);

	DirectFieldAccessor fieldAccessor = new DirectFieldAccessor(adapter);
	@SuppressWarnings("unchecked")
	List<Object> bodyAdvice = (List<Object>) fieldAccessor.getPropertyValue("requestResponseBodyAdvice");
	assertEquals(2, bodyAdvice.size());
	assertEquals(JsonViewRequestBodyAdvice.class, bodyAdvice.get(0).getClass());
	assertEquals(JsonViewResponseBodyAdvice.class, bodyAdvice.get(1).getClass());
}
 

/**
 * 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;
}
 

/**
 * 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() {
	RequestMappingHandlerAdapter adapter = createRequestMappingHandlerAdapter();
	adapter.setContentNegotiationManager(mvcContentNegotiationManager());
	adapter.setMessageConverters(getMessageConverters());
	adapter.setWebBindingInitializer(getConfigurableWebBindingInitializer());
	adapter.setCustomArgumentResolvers(getArgumentResolvers());
	adapter.setCustomReturnValueHandlers(getReturnValueHandlers());

	if (jackson2Present) {
		adapter.setRequestBodyAdvice(
				Collections.<RequestBodyAdvice>singletonList(new JsonViewRequestBodyAdvice()));
		adapter.setResponseBodyAdvice(
				Collections.<ResponseBodyAdvice<?>>singletonList(new JsonViewResponseBodyAdvice()));
	}

	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;
}
 

@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);
}
 

@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);
}
 

@Test
@SuppressWarnings("unchecked")
public void handlerExceptionResolver() throws Exception {
	ApplicationContext context = initContext(WebConfig.class);
	HandlerExceptionResolverComposite compositeResolver =
			context.getBean("handlerExceptionResolver", HandlerExceptionResolverComposite.class);

	assertEquals(0, compositeResolver.getOrder());
	List<HandlerExceptionResolver> expectedResolvers = compositeResolver.getExceptionResolvers();

	assertEquals(ExceptionHandlerExceptionResolver.class, expectedResolvers.get(0).getClass());
	assertEquals(ResponseStatusExceptionResolver.class, expectedResolvers.get(1).getClass());
	assertEquals(DefaultHandlerExceptionResolver.class, expectedResolvers.get(2).getClass());

	ExceptionHandlerExceptionResolver eher = (ExceptionHandlerExceptionResolver) expectedResolvers.get(0);
	assertNotNull(eher.getApplicationContext());

	DirectFieldAccessor fieldAccessor = new DirectFieldAccessor(eher);
	List<Object> interceptors = (List<Object>) fieldAccessor.getPropertyValue("responseBodyAdvice");
	assertEquals(1, interceptors.size());
	assertEquals(JsonViewResponseBodyAdvice.class, interceptors.get(0).getClass());

	LocaleContextHolder.setLocale(Locale.ENGLISH);
	try {
		ResponseStatusExceptionResolver rser = (ResponseStatusExceptionResolver) expectedResolvers.get(1);
		MockHttpServletRequest request = new MockHttpServletRequest("GET", "/");
		MockHttpServletResponse response = new MockHttpServletResponse();
		rser.resolveException(request, response, context.getBean(TestController.class), new UserAlreadyExistsException());
		assertEquals("User already exists!", response.getErrorMessage());
	}
	finally {
		LocaleContextHolder.resetLocaleContext();
	}
}
 

@Test
public void requestMappingHandlerAdapter() throws Exception {
	ApplicationContext context = initContext(WebConfig.class);
	RequestMappingHandlerAdapter adapter = context.getBean(RequestMappingHandlerAdapter.class);
	List<HttpMessageConverter<?>> converters = adapter.getMessageConverters();
	assertEquals(12, converters.size());
	converters.stream()
			.filter(converter -> converter instanceof AbstractJackson2HttpMessageConverter)
			.forEach(converter -> {
				ObjectMapper mapper = ((AbstractJackson2HttpMessageConverter) converter).getObjectMapper();
				assertFalse(mapper.getDeserializationConfig().isEnabled(DEFAULT_VIEW_INCLUSION));
				assertFalse(mapper.getSerializationConfig().isEnabled(DEFAULT_VIEW_INCLUSION));
				assertFalse(mapper.getDeserializationConfig().isEnabled(FAIL_ON_UNKNOWN_PROPERTIES));
				if (converter instanceof MappingJackson2XmlHttpMessageConverter) {
					assertEquals(XmlMapper.class, mapper.getClass());
				}
			});

	ConfigurableWebBindingInitializer initializer =
			(ConfigurableWebBindingInitializer) adapter.getWebBindingInitializer();
	assertNotNull(initializer);

	ConversionService conversionService = initializer.getConversionService();
	assertNotNull(conversionService);
	assertTrue(conversionService instanceof FormattingConversionService);

	Validator validator = initializer.getValidator();
	assertNotNull(validator);
	assertTrue(validator instanceof LocalValidatorFactoryBean);

	DirectFieldAccessor fieldAccessor = new DirectFieldAccessor(adapter);
	@SuppressWarnings("unchecked")
	List<Object> bodyAdvice = (List<Object>) fieldAccessor.getPropertyValue("requestResponseBodyAdvice");
	assertEquals(2, bodyAdvice.size());
	assertEquals(JsonViewRequestBodyAdvice.class, bodyAdvice.get(0).getClass());
	assertEquals(JsonViewResponseBodyAdvice.class, bodyAdvice.get(1).getClass());
}
 

/**
 * 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() {
	RequestMappingHandlerAdapter adapter = createRequestMappingHandlerAdapter();
	adapter.setContentNegotiationManager(mvcContentNegotiationManager());
	adapter.setMessageConverters(getMessageConverters());
	adapter.setWebBindingInitializer(getConfigurableWebBindingInitializer());
	adapter.setCustomArgumentResolvers(getArgumentResolvers());
	adapter.setCustomReturnValueHandlers(getReturnValueHandlers());

	if (jackson2Present) {
		adapter.setRequestBodyAdvice(Collections.singletonList(new JsonViewRequestBodyAdvice()));
		adapter.setResponseBodyAdvice(Collections.singletonList(new JsonViewResponseBodyAdvice()));
	}

	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;
}
 

@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);
}
 

@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);
}
 

@Test
@SuppressWarnings("unchecked")
public void handlerExceptionResolver() throws Exception {
	ApplicationContext context = initContext(WebConfig.class);
	HandlerExceptionResolverComposite compositeResolver =
			context.getBean("handlerExceptionResolver", HandlerExceptionResolverComposite.class);

	assertEquals(0, compositeResolver.getOrder());
	List<HandlerExceptionResolver> expectedResolvers = compositeResolver.getExceptionResolvers();

	assertEquals(ExceptionHandlerExceptionResolver.class, expectedResolvers.get(0).getClass());
	assertEquals(ResponseStatusExceptionResolver.class, expectedResolvers.get(1).getClass());
	assertEquals(DefaultHandlerExceptionResolver.class, expectedResolvers.get(2).getClass());

	ExceptionHandlerExceptionResolver eher = (ExceptionHandlerExceptionResolver) expectedResolvers.get(0);
	assertNotNull(eher.getApplicationContext());

	DirectFieldAccessor fieldAccessor = new DirectFieldAccessor(eher);
	List<Object> interceptors = (List<Object>) fieldAccessor.getPropertyValue("responseBodyAdvice");
	assertEquals(1, interceptors.size());
	assertEquals(JsonViewResponseBodyAdvice.class, interceptors.get(0).getClass());

	LocaleContextHolder.setLocale(Locale.ENGLISH);
	try {
		ResponseStatusExceptionResolver rser = (ResponseStatusExceptionResolver) expectedResolvers.get(1);
		MockHttpServletRequest request = new MockHttpServletRequest("GET", "/");
		MockHttpServletResponse response = new MockHttpServletResponse();
		rser.resolveException(request, response, context.getBean(TestController.class), new UserAlreadyExistsException());
		assertEquals("User already exists!", response.getErrorMessage());
	}
	finally {
		LocaleContextHolder.resetLocaleContext();
	}
}
 

@Test
public void requestMappingHandlerAdapter() throws Exception {
	ApplicationContext context = initContext(WebConfig.class);
	RequestMappingHandlerAdapter adapter = context.getBean(RequestMappingHandlerAdapter.class);
	List<HttpMessageConverter<?>> converters = adapter.getMessageConverters();
	assertEquals(12, converters.size());
	converters.stream()
			.filter(converter -> converter instanceof AbstractJackson2HttpMessageConverter)
			.forEach(converter -> {
				ObjectMapper mapper = ((AbstractJackson2HttpMessageConverter) converter).getObjectMapper();
				assertFalse(mapper.getDeserializationConfig().isEnabled(DEFAULT_VIEW_INCLUSION));
				assertFalse(mapper.getSerializationConfig().isEnabled(DEFAULT_VIEW_INCLUSION));
				assertFalse(mapper.getDeserializationConfig().isEnabled(FAIL_ON_UNKNOWN_PROPERTIES));
				if (converter instanceof MappingJackson2XmlHttpMessageConverter) {
					assertEquals(XmlMapper.class, mapper.getClass());
				}
			});

	ConfigurableWebBindingInitializer initializer =
			(ConfigurableWebBindingInitializer) adapter.getWebBindingInitializer();
	assertNotNull(initializer);

	ConversionService conversionService = initializer.getConversionService();
	assertNotNull(conversionService);
	assertTrue(conversionService instanceof FormattingConversionService);

	Validator validator = initializer.getValidator();
	assertNotNull(validator);
	assertTrue(validator instanceof LocalValidatorFactoryBean);

	DirectFieldAccessor fieldAccessor = new DirectFieldAccessor(adapter);
	@SuppressWarnings("unchecked")
	List<Object> bodyAdvice = (List<Object>) fieldAccessor.getPropertyValue("requestResponseBodyAdvice");
	assertEquals(2, bodyAdvice.size());
	assertEquals(JsonViewRequestBodyAdvice.class, bodyAdvice.get(0).getClass());
	assertEquals(JsonViewResponseBodyAdvice.class, bodyAdvice.get(1).getClass());
}
 

protected void addResponseBodyAdvice(RootBeanDefinition beanDef) {
	if (jackson2Present) {
		beanDef.getPropertyValues().add("responseBodyAdvice",
				new RootBeanDefinition(JsonViewResponseBodyAdvice.class));
	}
}
 

protected void addResponseBodyAdvice(RootBeanDefinition beanDef) {
	if (jackson2Present) {
		beanDef.getPropertyValues().add("responseBodyAdvice",
				new RootBeanDefinition(JsonViewResponseBodyAdvice.class));
	}
}
 

protected void addResponseBodyAdvice(RootBeanDefinition beanDef) {
	if (jackson2Present) {
		beanDef.getPropertyValues().add("responseBodyAdvice",
				new RootBeanDefinition(JsonViewResponseBodyAdvice.class));
	}
}
 

protected void addResponseBodyAdvice(RootBeanDefinition beanDef) {
	if (jackson2Present) {
		beanDef.getPropertyValues().add("responseBodyAdvice",
				new RootBeanDefinition(JsonViewResponseBodyAdvice.class));
	}
}