org.springframework.web.servlet.resource.ResourceUrlProvider Java Examples

/**
 * Return a handler mapping ordered at 1 to map URL paths directly to
 * view names. To configure view controllers, override
 * {@link #addViewControllers}.
 */
@Bean
@Nullable
public HandlerMapping viewControllerHandlerMapping(PathMatcher mvcPathMatcher,
		UrlPathHelper mvcUrlPathHelper,
		FormattingConversionService mvcConversionService,
		ResourceUrlProvider mvcResourceUrlProvider) {
	ViewControllerRegistry registry = new ViewControllerRegistry(this.applicationContext);
	addViewControllers(registry);

	AbstractHandlerMapping handlerMapping = registry.buildHandlerMapping();
	if (handlerMapping == null) {
		return null;
	}
	handlerMapping.setPathMatcher(mvcPathMatcher);
	handlerMapping.setUrlPathHelper(mvcUrlPathHelper);
	handlerMapping.setInterceptors(getInterceptors(mvcConversionService, mvcResourceUrlProvider));
	handlerMapping.setCorsConfigurations(getCorsConfigurations());
	return handlerMapping;
}
 

private void registerUrlProvider(ParserContext parserContext, Object source) {
	if (!parserContext.getRegistry().containsBeanDefinition(RESOURCE_URL_PROVIDER)) {
		RootBeanDefinition urlProvider = new RootBeanDefinition(ResourceUrlProvider.class);
		urlProvider.setSource(source);
		urlProvider.setRole(BeanDefinition.ROLE_INFRASTRUCTURE);
		parserContext.getRegistry().registerBeanDefinition(RESOURCE_URL_PROVIDER, urlProvider);
		parserContext.registerComponent(new BeanComponentDefinition(urlProvider, RESOURCE_URL_PROVIDER));

		RootBeanDefinition interceptor = new RootBeanDefinition(ResourceUrlProviderExposingInterceptor.class);
		interceptor.setSource(source);
		interceptor.getConstructorArgumentValues().addIndexedArgumentValue(0, urlProvider);

		RootBeanDefinition mappedInterceptor = new RootBeanDefinition(MappedInterceptor.class);
		mappedInterceptor.setSource(source);
		mappedInterceptor.setRole(BeanDefinition.ROLE_INFRASTRUCTURE);
		mappedInterceptor.getConstructorArgumentValues().addIndexedArgumentValue(0, (Object) null);
		mappedInterceptor.getConstructorArgumentValues().addIndexedArgumentValue(1, interceptor);
		String mappedInterceptorName = parserContext.getReaderContext().registerWithGeneratedName(mappedInterceptor);
		parserContext.registerComponent(new BeanComponentDefinition(mappedInterceptor, mappedInterceptorName));
	}
}
 

/**
 * Return a handler mapping ordered at Integer.MAX_VALUE-1 with mapped
 * resource handlers. To configure resource handling, override
 * {@link #addResourceHandlers}.
 */
@Bean
@Nullable
public HandlerMapping resourceHandlerMapping(UrlPathHelper mvcUrlPathHelper,
		PathMatcher mvcPathMatcher,
		ContentNegotiationManager mvcContentNegotiationManager,
		FormattingConversionService mvcConversionService,
		ResourceUrlProvider mvcResourceUrlProvider) {
	Assert.state(this.applicationContext != null, "No ApplicationContext set");
	Assert.state(this.servletContext != null, "No ServletContext set");

	ResourceHandlerRegistry registry = new ResourceHandlerRegistry(this.applicationContext,
			this.servletContext, mvcContentNegotiationManager, mvcUrlPathHelper);
	addResourceHandlers(registry);

	AbstractHandlerMapping handlerMapping = registry.getHandlerMapping();
	if (handlerMapping == null) {
		return null;
	}
	handlerMapping.setPathMatcher(mvcPathMatcher);
	handlerMapping.setUrlPathHelper(mvcUrlPathHelper);
	handlerMapping.setInterceptors(getInterceptors(mvcConversionService, mvcResourceUrlProvider));
	handlerMapping.setCorsConfigurations(getCorsConfigurations());
	return handlerMapping;
}
 

private void registerUrlProvider(ParserContext parserContext, Object source) {
	if (!parserContext.getRegistry().containsBeanDefinition(RESOURCE_URL_PROVIDER)) {
		RootBeanDefinition urlProvider = new RootBeanDefinition(ResourceUrlProvider.class);
		urlProvider.setSource(source);
		urlProvider.setRole(BeanDefinition.ROLE_INFRASTRUCTURE);
		parserContext.getRegistry().registerBeanDefinition(RESOURCE_URL_PROVIDER, urlProvider);
		parserContext.registerComponent(new BeanComponentDefinition(urlProvider, RESOURCE_URL_PROVIDER));

		RootBeanDefinition interceptor = new RootBeanDefinition(ResourceUrlProviderExposingInterceptor.class);
		interceptor.setSource(source);
		interceptor.getConstructorArgumentValues().addIndexedArgumentValue(0, urlProvider);

		RootBeanDefinition mappedInterceptor = new RootBeanDefinition(MappedInterceptor.class);
		mappedInterceptor.setSource(source);
		mappedInterceptor.setRole(BeanDefinition.ROLE_INFRASTRUCTURE);
		mappedInterceptor.getConstructorArgumentValues().addIndexedArgumentValue(0, (Object) null);
		mappedInterceptor.getConstructorArgumentValues().addIndexedArgumentValue(1, interceptor);
		String mappedInterceptorName = parserContext.getReaderContext().registerWithGeneratedName(mappedInterceptor);
		parserContext.registerComponent(new BeanComponentDefinition(mappedInterceptor, mappedInterceptorName));
	}
}
 

private void registerUrlProvider(ParserContext context, @Nullable Object source) {
	if (!context.getRegistry().containsBeanDefinition(RESOURCE_URL_PROVIDER)) {
		RootBeanDefinition urlProvider = new RootBeanDefinition(ResourceUrlProvider.class);
		urlProvider.setSource(source);
		urlProvider.setRole(BeanDefinition.ROLE_INFRASTRUCTURE);
		context.getRegistry().registerBeanDefinition(RESOURCE_URL_PROVIDER, urlProvider);
		context.registerComponent(new BeanComponentDefinition(urlProvider, RESOURCE_URL_PROVIDER));

		RootBeanDefinition interceptor = new RootBeanDefinition(ResourceUrlProviderExposingInterceptor.class);
		interceptor.setSource(source);
		interceptor.getConstructorArgumentValues().addIndexedArgumentValue(0, urlProvider);

		RootBeanDefinition mappedInterceptor = new RootBeanDefinition(MappedInterceptor.class);
		mappedInterceptor.setSource(source);
		mappedInterceptor.setRole(BeanDefinition.ROLE_INFRASTRUCTURE);
		mappedInterceptor.getConstructorArgumentValues().addIndexedArgumentValue(0, (Object) null);
		mappedInterceptor.getConstructorArgumentValues().addIndexedArgumentValue(1, interceptor);
		String mappedInterceptorName = context.getReaderContext().registerWithGeneratedName(mappedInterceptor);
		context.registerComponent(new BeanComponentDefinition(mappedInterceptor, mappedInterceptorName));
	}
}
 

private void registerUrlProvider(ParserContext context, @Nullable Object source) {
	if (!context.getRegistry().containsBeanDefinition(RESOURCE_URL_PROVIDER)) {
		RootBeanDefinition urlProvider = new RootBeanDefinition(ResourceUrlProvider.class);
		urlProvider.setSource(source);
		urlProvider.setRole(BeanDefinition.ROLE_INFRASTRUCTURE);
		context.getRegistry().registerBeanDefinition(RESOURCE_URL_PROVIDER, urlProvider);
		context.registerComponent(new BeanComponentDefinition(urlProvider, RESOURCE_URL_PROVIDER));

		RootBeanDefinition interceptor = new RootBeanDefinition(ResourceUrlProviderExposingInterceptor.class);
		interceptor.setSource(source);
		interceptor.getConstructorArgumentValues().addIndexedArgumentValue(0, urlProvider);

		RootBeanDefinition mappedInterceptor = new RootBeanDefinition(MappedInterceptor.class);
		mappedInterceptor.setSource(source);
		mappedInterceptor.setRole(BeanDefinition.ROLE_INFRASTRUCTURE);
		mappedInterceptor.getConstructorArgumentValues().addIndexedArgumentValue(0, (Object) null);
		mappedInterceptor.getConstructorArgumentValues().addIndexedArgumentValue(1, interceptor);
		String mappedInterceptorName = context.getReaderContext().registerWithGeneratedName(mappedInterceptor);
		context.registerComponent(new BeanComponentDefinition(mappedInterceptor, mappedInterceptorName));
	}
}
 

/**
 * Provide access to the shared handler interceptors used to configure
 * {@link HandlerMapping} instances with.
 * <p>This method cannot be overridden; use {@link #addInterceptors} instead.
 */
protected final Object[] getInterceptors(
		FormattingConversionService mvcConversionService,
		ResourceUrlProvider mvcResourceUrlProvider) {
	if (this.interceptors == null) {
		InterceptorRegistry registry = new InterceptorRegistry();
		addInterceptors(registry);
		registry.addInterceptor(new ConversionServiceExposingInterceptor(mvcConversionService));
		registry.addInterceptor(new ResourceUrlProviderExposingInterceptor(mvcResourceUrlProvider));
		this.interceptors = registry.getInterceptors();
	}
	return this.interceptors.toArray();
}
 

@Test
public void testResources() throws Exception {
	loadBeanDefinitions("mvc-config-resources.xml", 10);

	HttpRequestHandlerAdapter adapter = appContext.getBean(HttpRequestHandlerAdapter.class);
	assertNotNull(adapter);

	ResourceHttpRequestHandler handler = appContext.getBean(ResourceHttpRequestHandler.class);
	assertNotNull(handler);

	SimpleUrlHandlerMapping mapping = appContext.getBean(SimpleUrlHandlerMapping.class);
	assertNotNull(mapping);
	assertEquals(Ordered.LOWEST_PRECEDENCE - 1, mapping.getOrder());

	BeanNameUrlHandlerMapping beanNameMapping = appContext.getBean(BeanNameUrlHandlerMapping.class);
	assertNotNull(beanNameMapping);
	assertEquals(2, beanNameMapping.getOrder());

	ResourceUrlProvider urlProvider = appContext.getBean(ResourceUrlProvider.class);
	assertNotNull(urlProvider);

	MappedInterceptor mappedInterceptor = appContext.getBean(MappedInterceptor.class);
	assertNotNull(urlProvider);
	assertEquals(ResourceUrlProviderExposingInterceptor.class, mappedInterceptor.getInterceptor().getClass());

	MockHttpServletRequest request = new MockHttpServletRequest();
	request.setRequestURI("/resources/foo.css");
	request.setMethod("GET");

	HandlerExecutionChain chain = mapping.getHandler(request);
	assertTrue(chain.getHandler() instanceof ResourceHttpRequestHandler);

	MockHttpServletResponse response = new MockHttpServletResponse();
	for (HandlerInterceptor interceptor : chain.getInterceptors()) {
		interceptor.preHandle(request, response, chain.getHandler());
	}
	ModelAndView mv = adapter.handle(request, response, chain.getHandler());
	assertNull(mv);
}
 

@Bean
public ResourceUrlProvider mvcResourceUrlProvider() {
	ResourceUrlProvider urlProvider = new ResourceUrlProvider();
	UrlPathHelper pathHelper = getPathMatchConfigurer().getUrlPathHelper();
	if (pathHelper != null) {
		urlProvider.setUrlPathHelper(pathHelper);
	}
	PathMatcher pathMatcher = getPathMatchConfigurer().getPathMatcher();
	if (pathMatcher != null) {
		urlProvider.setPathMatcher(pathMatcher);
	}
	return urlProvider;
}
 

/**
 * A {@link ResourceUrlProvider} bean for use with the MVC dispatcher.
 * @since 4.1
 */
@Bean
public ResourceUrlProvider mvcResourceUrlProvider() {
	ResourceUrlProvider urlProvider = new ResourceUrlProvider();
	UrlPathHelper pathHelper = getPathMatchConfigurer().getUrlPathHelper();
	if (pathHelper != null) {
		urlProvider.setUrlPathHelper(pathHelper);
	}
	PathMatcher pathMatcher = getPathMatchConfigurer().getPathMatcher();
	if (pathMatcher != null) {
		urlProvider.setPathMatcher(pathMatcher);
	}
	return urlProvider;
}
 

/**
 * A {@link ResourceUrlProvider} bean for use with the MVC dispatcher.
 * @since 4.1
 */
@Bean
public ResourceUrlProvider mvcResourceUrlProvider() {
	ResourceUrlProvider urlProvider = new ResourceUrlProvider();
	UrlPathHelper pathHelper = getPathMatchConfigurer().getUrlPathHelper();
	if (pathHelper != null) {
		urlProvider.setUrlPathHelper(pathHelper);
	}
	PathMatcher pathMatcher = getPathMatchConfigurer().getPathMatcher();
	if (pathMatcher != null) {
		urlProvider.setPathMatcher(pathMatcher);
	}
	return urlProvider;
}
 

public RequestMappingHandlerMapping getHandlerMapping(
		FormattingConversionService mvcConversionService,
		ResourceUrlProvider mvcResourceUrlProvider) {
	RequestMappingHandlerMapping handlerMapping = handlerMappingFactory.get();
	handlerMapping.setEmbeddedValueResolver(new StaticStringValueResolver(placeholderValues));
	handlerMapping.setUseSuffixPatternMatch(useSuffixPatternMatch);
	handlerMapping.setUseTrailingSlashMatch(useTrailingSlashPatternMatch);
	handlerMapping.setOrder(0);
	handlerMapping.setInterceptors(getInterceptors(mvcConversionService, mvcResourceUrlProvider));
	if (removeSemicolonContent != null) {
		handlerMapping.setRemoveSemicolonContent(removeSemicolonContent);
	}
	return handlerMapping;
}
 

/**
 * A {@link ResourceUrlProvider} bean for use with the MVC dispatcher.
 * @since 4.1
 */
@Bean
public ResourceUrlProvider mvcResourceUrlProvider() {
	ResourceUrlProvider urlProvider = new ResourceUrlProvider();
	UrlPathHelper pathHelper = getPathMatchConfigurer().getUrlPathHelper();
	if (pathHelper != null) {
		urlProvider.setUrlPathHelper(pathHelper);
	}
	PathMatcher pathMatcher = getPathMatchConfigurer().getPathMatcher();
	if (pathMatcher != null) {
		urlProvider.setPathMatcher(pathMatcher);
	}
	return urlProvider;
}
 

/**
 * Return a {@link BeanNameUrlHandlerMapping} ordered at 2 to map URL
 * paths to controller bean names.
 */
@Bean
public BeanNameUrlHandlerMapping beanNameHandlerMapping(FormattingConversionService mvcConversionService,
		ResourceUrlProvider mvcResourceUrlProvider) {
	BeanNameUrlHandlerMapping mapping = new BeanNameUrlHandlerMapping();
	mapping.setOrder(2);
	mapping.setInterceptors(getInterceptors(mvcConversionService, mvcResourceUrlProvider));
	mapping.setCorsConfigurations(getCorsConfigurations());
	return mapping;
}
 

private void registerMvcSingletons(StubWebApplicationContext wac) {
	StandaloneConfiguration config = new StandaloneConfiguration();
	config.setApplicationContext(wac);
	ServletContext sc = wac.getServletContext();

	wac.addBeans(this.controllers);
	wac.addBeans(this.controllerAdvice);

	FormattingConversionService mvcConversionService = config.mvcConversionService();
	wac.addBean("mvcConversionService", mvcConversionService);
	ResourceUrlProvider resourceUrlProvider = config.mvcResourceUrlProvider();
	wac.addBean("mvcResourceUrlProvider", resourceUrlProvider);
	ContentNegotiationManager mvcContentNegotiationManager = config.mvcContentNegotiationManager();
	wac.addBean("mvcContentNegotiationManager", mvcContentNegotiationManager);
	Validator mvcValidator = config.mvcValidator();
	wac.addBean("mvcValidator", mvcValidator);

	RequestMappingHandlerMapping hm = config.getHandlerMapping(mvcConversionService, resourceUrlProvider);
	if (sc != null) {
		hm.setServletContext(sc);
	}
	hm.setApplicationContext(wac);
	hm.afterPropertiesSet();
	wac.addBean("requestMappingHandlerMapping", hm);

	RequestMappingHandlerAdapter ha = config.requestMappingHandlerAdapter(mvcContentNegotiationManager,
			mvcConversionService, mvcValidator);
	if (sc != null) {
		ha.setServletContext(sc);
	}
	ha.setApplicationContext(wac);
	ha.afterPropertiesSet();
	wac.addBean("requestMappingHandlerAdapter", ha);

	wac.addBean("handlerExceptionResolver", config.handlerExceptionResolver(mvcContentNegotiationManager));

	wac.addBeans(initViewResolvers(wac));
	wac.addBean(DispatcherServlet.LOCALE_RESOLVER_BEAN_NAME, this.localeResolver);
	wac.addBean(DispatcherServlet.THEME_RESOLVER_BEAN_NAME, new FixedThemeResolver());
	wac.addBean(DispatcherServlet.REQUEST_TO_VIEW_NAME_TRANSLATOR_BEAN_NAME, new DefaultRequestToViewNameTranslator());

	this.flashMapManager = new SessionFlashMapManager();
	wac.addBean(DispatcherServlet.FLASH_MAP_MANAGER_BEAN_NAME, this.flashMapManager);

	extendMvcSingletons(sc).forEach(wac::addBean);
}
 

@Test
@SuppressWarnings("unchecked")
public void testResources() throws Exception {
	loadBeanDefinitions("mvc-config-resources.xml");

	HttpRequestHandlerAdapter adapter = appContext.getBean(HttpRequestHandlerAdapter.class);
	assertNotNull(adapter);

	RequestMappingHandlerMapping mapping = appContext.getBean(RequestMappingHandlerMapping.class);
	ContentNegotiationManager manager = mapping.getContentNegotiationManager();

	ResourceHttpRequestHandler handler = appContext.getBean(ResourceHttpRequestHandler.class);
	assertNotNull(handler);
	assertSame(manager, handler.getContentNegotiationManager());

	SimpleUrlHandlerMapping resourceMapping = appContext.getBean(SimpleUrlHandlerMapping.class);
	assertNotNull(resourceMapping);
	assertEquals(Ordered.LOWEST_PRECEDENCE - 1, resourceMapping.getOrder());

	BeanNameUrlHandlerMapping beanNameMapping = appContext.getBean(BeanNameUrlHandlerMapping.class);
	assertNotNull(beanNameMapping);
	assertEquals(2, beanNameMapping.getOrder());

	ResourceUrlProvider urlProvider = appContext.getBean(ResourceUrlProvider.class);
	assertNotNull(urlProvider);

	Map<String, MappedInterceptor> beans = appContext.getBeansOfType(MappedInterceptor.class);
	List<Class<?>> interceptors = beans.values().stream()
			.map(mappedInterceptor -> mappedInterceptor.getInterceptor().getClass())
			.collect(Collectors.toList());
	assertThat(interceptors, containsInAnyOrder(ConversionServiceExposingInterceptor.class,
			ResourceUrlProviderExposingInterceptor.class));

	MockHttpServletRequest request = new MockHttpServletRequest();
	request.setRequestURI("/resources/foo.css");
	request.setMethod("GET");

	HandlerExecutionChain chain = resourceMapping.getHandler(request);
	assertNotNull(chain);
	assertTrue(chain.getHandler() instanceof ResourceHttpRequestHandler);

	MockHttpServletResponse response = new MockHttpServletResponse();
	for (HandlerInterceptor interceptor : chain.getInterceptors()) {
		interceptor.preHandle(request, response, chain.getHandler());
	}
	ModelAndView mv = adapter.handle(request, response, chain.getHandler());
	assertNull(mv);
}
 

@Override
public void initialize(GenericApplicationContext context) {
	context.registerBean("webServerFactoryCustomizerBeanPostProcessor", WebServerFactoryCustomizerBeanPostProcessor.class, WebServerFactoryCustomizerBeanPostProcessor::new);
	context.registerBean(WebMvcProperties.class, () -> this.webMvcProperties);
	context.registerBean(ServletWebServerFactoryAutoConfiguration.BeanPostProcessorsRegistrar.class, ServletWebServerFactoryAutoConfiguration.BeanPostProcessorsRegistrar::new);
	context.registerBean(TomcatServletWebServerFactory.class, () -> new ServletWebServerFactoryConfiguration.EmbeddedTomcat().tomcatServletWebServerFactory(
			context.getBeanProvider(TomcatConnectorCustomizer.class),
			context.getBeanProvider(TomcatContextCustomizer.class),
			context.getBeanProvider(ResolvableType.forClass(TomcatProtocolHandlerCustomizer.class))));
	ServletWebServerFactoryAutoConfiguration servletWebServerFactoryConfiguration = new ServletWebServerFactoryAutoConfiguration();
	context.registerBean(ServletWebServerFactoryCustomizer.class, () -> servletWebServerFactoryConfiguration.servletWebServerFactoryCustomizer(serverProperties));
	context.registerBean(TomcatServletWebServerFactoryCustomizer.class, () -> servletWebServerFactoryConfiguration.tomcatServletWebServerFactoryCustomizer(serverProperties));
	context.registerBean(FilterRegistrationBean.class, servletWebServerFactoryConfiguration::forwardedHeaderFilter);

	DispatcherServletAutoConfiguration.DispatcherServletConfiguration dispatcherServletConfiguration = new DispatcherServletAutoConfiguration.DispatcherServletConfiguration();
	context.registerBean(DispatcherServletAutoConfiguration.DEFAULT_DISPATCHER_SERVLET_BEAN_NAME, DispatcherServlet.class, () -> dispatcherServletConfiguration.dispatcherServlet(webMvcProperties));
	context.registerBean(DispatcherServletAutoConfiguration.DEFAULT_DISPATCHER_SERVLET_REGISTRATION_BEAN_NAME, DispatcherServletRegistrationBean.class, () -> new DispatcherServletAutoConfiguration.DispatcherServletRegistrationConfiguration().dispatcherServletRegistration(context.getBean(DispatcherServletAutoConfiguration.DEFAULT_DISPATCHER_SERVLET_BEAN_NAME, DispatcherServlet.class), webMvcProperties, context.getBeanProvider(MultipartConfigElement.class)));

	WebMvcAutoConfiguration webMvcConfiguration = new WebMvcAutoConfiguration();
	context.registerBean(OrderedHiddenHttpMethodFilter.class, webMvcConfiguration::hiddenHttpMethodFilter);

	Supplier<WebMvcAutoConfigurationAdapter> webMvcConfigurationAdapter = new Supplier<WebMvcAutoConfigurationAdapter>() {

		private WebMvcAutoConfigurationAdapter configuration;

		@Override
		public WebMvcAutoConfigurationAdapter get() {
			if (configuration == null) {
				configuration = new WebMvcAutoConfigurationAdapter(resourceProperties, webMvcProperties, context, context.getBeanProvider(HttpMessageConverters.class), context.getBeanProvider(ResourceHandlerRegistrationCustomizer.class), context.getBeanProvider(DispatcherServletPath.class));
				return configuration;
			}
			return configuration;
		}
	};
	context.registerBean(InternalResourceViewResolver.class, () -> webMvcConfigurationAdapter.get().defaultViewResolver());
	context.registerBean(BeanNameViewResolver.class, () -> webMvcConfigurationAdapter.get().beanNameViewResolver());
	context.registerBean("viewResolver", ContentNegotiatingViewResolver.class, () -> webMvcConfigurationAdapter.get().viewResolver(context));
	context.registerBean(RequestContextFilter.class, WebMvcAutoConfigurationAdapter::requestContextFilter);
	// TODO Favicon management

	Supplier<EnableWebMvcConfiguration> enableWebMvcConfiguration = new Supplier<EnableWebMvcConfiguration>() {

		private EnableWebMvcConfiguration configuration;

		@Override
		public EnableWebMvcConfiguration get() {
			if (configuration == null) {
				configuration = new EnableWebMvcConfigurationWrapper(context.getBeanProvider(WebMvcProperties.class), context.getBeanProvider(WebMvcRegistrations.class), context);
				configuration.setApplicationContext(context);
				configuration.setServletContext(((WebApplicationContext) context).getServletContext());
				configuration.setResourceLoader(context);
			}
			return configuration;
		}
	};

	context.registerBean(FormattingConversionService.class, () -> enableWebMvcConfiguration.get().mvcConversionService());
	context.registerBean(Validator.class, () -> enableWebMvcConfiguration.get().mvcValidator());
	context.registerBean(ContentNegotiationManager.class, () -> enableWebMvcConfiguration.get().mvcContentNegotiationManager());
	context.registerBean(ResourceChainResourceHandlerRegistrationCustomizer.class, () -> new ResourceChainCustomizerConfiguration().resourceHandlerRegistrationCustomizer());
	context.registerBean(PathMatcher.class, () -> enableWebMvcConfiguration.get().mvcPathMatcher());
	context.registerBean(UrlPathHelper.class, () -> enableWebMvcConfiguration.get().mvcUrlPathHelper());
	context.registerBean(HandlerMapping.class, () ->  enableWebMvcConfiguration.get().viewControllerHandlerMapping(context.getBean(FormattingConversionService.class), context.getBean(ResourceUrlProvider.class)));
	context.registerBean(RouterFunctionMapping.class, () ->  {

		return enableWebMvcConfiguration.get().routerFunctionMapping(context.getBean(FormattingConversionService.class), context.getBean(ResourceUrlProvider.class));
	});
	context.registerBean(HandlerMapping.class, () -> enableWebMvcConfiguration.get().resourceHandlerMapping(context.getBean(ContentNegotiationManager.class), context.getBean(FormattingConversionService.class), context.getBean(ResourceUrlProvider.class)));
	context.registerBean(ResourceUrlProvider.class, () -> enableWebMvcConfiguration.get().mvcResourceUrlProvider());
	context.registerBean(HandlerMapping.class, () -> enableWebMvcConfiguration.get().defaultServletHandlerMapping());
	context.registerBean(HandlerFunctionAdapter.class, () -> enableWebMvcConfiguration.get().handlerFunctionAdapter());
	context.registerBean(HttpRequestHandlerAdapter.class, () -> enableWebMvcConfiguration.get().httpRequestHandlerAdapter());
	context.registerBean(SimpleControllerHandlerAdapter.class, () -> enableWebMvcConfiguration.get().simpleControllerHandlerAdapter());
	context.registerBean(HandlerExceptionResolver.class, () -> enableWebMvcConfiguration.get().handlerExceptionResolver(context.getBean(ContentNegotiationManager.class)));
	context.registerBean(ViewResolver.class, () -> enableWebMvcConfiguration.get().mvcViewResolver(context.getBean(ContentNegotiationManager.class)));
	context.registerBean(HandlerMappingIntrospector.class, () -> enableWebMvcConfiguration.get().mvcHandlerMappingIntrospector(), bd -> bd.setLazyInit(true));
	context.registerBean(WelcomePageHandlerMapping.class, () -> enableWebMvcConfiguration.get().welcomePageHandlerMapping(context, context.getBean(FormattingConversionService.class), context.getBean(ResourceUrlProvider.class)));
	context.registerBean(DispatcherServlet.LOCALE_RESOLVER_BEAN_NAME, LocaleResolver.class, () -> enableWebMvcConfiguration.get().localeResolver());
	context.registerBean(DispatcherServlet.THEME_RESOLVER_BEAN_NAME, ThemeResolver.class, () -> enableWebMvcConfiguration.get().themeResolver());
	context.registerBean(DispatcherServlet.FLASH_MAP_MANAGER_BEAN_NAME, FlashMapManager.class, () -> enableWebMvcConfiguration.get().flashMapManager());
	context.registerBean(DispatcherServlet.REQUEST_TO_VIEW_NAME_TRANSLATOR_BEAN_NAME, RequestToViewNameTranslator.class, () -> enableWebMvcConfiguration.get().viewNameTranslator());
}
 

@Test
@SuppressWarnings("unchecked")
public void testResources() throws Exception {
	loadBeanDefinitions("mvc-config-resources.xml");

	HttpRequestHandlerAdapter adapter = appContext.getBean(HttpRequestHandlerAdapter.class);
	assertNotNull(adapter);

	RequestMappingHandlerMapping mapping = appContext.getBean(RequestMappingHandlerMapping.class);
	ContentNegotiationManager manager = mapping.getContentNegotiationManager();

	ResourceHttpRequestHandler handler = appContext.getBean(ResourceHttpRequestHandler.class);
	assertNotNull(handler);
	assertSame(manager, handler.getContentNegotiationManager());

	SimpleUrlHandlerMapping resourceMapping = appContext.getBean(SimpleUrlHandlerMapping.class);
	assertNotNull(resourceMapping);
	assertEquals(Ordered.LOWEST_PRECEDENCE - 1, resourceMapping.getOrder());

	BeanNameUrlHandlerMapping beanNameMapping = appContext.getBean(BeanNameUrlHandlerMapping.class);
	assertNotNull(beanNameMapping);
	assertEquals(2, beanNameMapping.getOrder());

	ResourceUrlProvider urlProvider = appContext.getBean(ResourceUrlProvider.class);
	assertNotNull(urlProvider);

	Map<String, MappedInterceptor> beans = appContext.getBeansOfType(MappedInterceptor.class);
	List<Class<?>> interceptors = beans.values().stream()
			.map(mappedInterceptor -> mappedInterceptor.getInterceptor().getClass())
			.collect(Collectors.toList());
	assertThat(interceptors, containsInAnyOrder(ConversionServiceExposingInterceptor.class,
			ResourceUrlProviderExposingInterceptor.class));

	MockHttpServletRequest request = new MockHttpServletRequest();
	request.setRequestURI("/resources/foo.css");
	request.setMethod("GET");

	HandlerExecutionChain chain = resourceMapping.getHandler(request);
	assertNotNull(chain);
	assertTrue(chain.getHandler() instanceof ResourceHttpRequestHandler);

	MockHttpServletResponse response = new MockHttpServletResponse();
	for (HandlerInterceptor interceptor : chain.getInterceptors()) {
		interceptor.preHandle(request, response, chain.getHandler());
	}
	ModelAndView mv = adapter.handle(request, response, chain.getHandler());
	assertNull(mv);
}
 

/**
 * Return a {@link RequestMappingHandlerMapping} ordered at 0 for mapping
 * requests to annotated controllers.
 */
@Bean
public RequestMappingHandlerMapping requestMappingHandlerMapping(
		ContentNegotiationManager mvcContentNegotiationManager,
		FormattingConversionService mvcConversionService,
		ResourceUrlProvider mvcResourceUrlProvider) {
	RequestMappingHandlerMapping mapping = createRequestMappingHandlerMapping();
	mapping.setOrder(0);
	mapping.setInterceptors(getInterceptors(mvcConversionService, mvcResourceUrlProvider));
	mapping.setContentNegotiationManager(mvcContentNegotiationManager);
	mapping.setCorsConfigurations(getCorsConfigurations());

	PathMatchConfigurer configurer = getPathMatchConfigurer();

	Boolean useSuffixPatternMatch = configurer.isUseSuffixPatternMatch();
	if (useSuffixPatternMatch != null) {
		mapping.setUseSuffixPatternMatch(useSuffixPatternMatch);
	}
	Boolean useRegisteredSuffixPatternMatch = configurer.isUseRegisteredSuffixPatternMatch();
	if (useRegisteredSuffixPatternMatch != null) {
		mapping.setUseRegisteredSuffixPatternMatch(useRegisteredSuffixPatternMatch);
	}
	Boolean useTrailingSlashMatch = configurer.isUseTrailingSlashMatch();
	if (useTrailingSlashMatch != null) {
		mapping.setUseTrailingSlashMatch(useTrailingSlashMatch);
	}

	UrlPathHelper pathHelper = configurer.getUrlPathHelper();
	if (pathHelper != null) {
		mapping.setUrlPathHelper(pathHelper);
	}
	PathMatcher pathMatcher = configurer.getPathMatcher();
	if (pathMatcher != null) {
		mapping.setPathMatcher(pathMatcher);
	}
	Map<String, Predicate<Class<?>>> pathPrefixes = configurer.getPathPrefixes();
	if (pathPrefixes != null) {
		mapping.setPathPrefixes(pathPrefixes);
	}

	return mapping;
}
 

@Bean
@Override
public ResourceUrlProvider mvcResourceUrlProvider()
{
    return super.mvcResourceUrlProvider();
}
 

@ModelAttribute("urls")
public ResourceUrlProvider urls() {
    return this.resourceUrlProvider;
}
 

/**
 * Return a {@link RouterFunctionMapping} ordered at 3 to map
 * {@linkplain org.springframework.web.servlet.function.RouterFunction router functions}.
 * Consider overriding one of these other more fine-grained methods:
 * <ul>
 * <li>{@link #addInterceptors} for adding handler interceptors.
 * <li>{@link #addCorsMappings} to configure cross origin requests processing.
 * <li>{@link #configureMessageConverters} for adding custom message converters.
 * </ul>
 * @since 5.2
 */
@Bean
public RouterFunctionMapping routerFunctionMapping(FormattingConversionService mvcConversionService,
		ResourceUrlProvider mvcResourceUrlProvider) {
	RouterFunctionMapping mapping = new RouterFunctionMapping();
	mapping.setOrder(3);
	mapping.setInterceptors(getInterceptors(mvcConversionService, mvcResourceUrlProvider));
	mapping.setCorsConfigurations(getCorsConfigurations());
	mapping.setMessageConverters(getMessageConverters());
	return mapping;
}