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org.springframework.boot.autoconfigure.web.reactive.WebFluxAutoConfiguration Maven / Gradle / Ivy
/*
* Copyright 2012-2023 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.boot.autoconfigure.web.reactive;
import java.time.Duration;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import reactor.core.publisher.Mono;
import org.springframework.beans.factory.ListableBeanFactory;
import org.springframework.beans.factory.ObjectProvider;
import org.springframework.boot.autoconfigure.AutoConfiguration;
import org.springframework.boot.autoconfigure.AutoConfigureOrder;
import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
import org.springframework.boot.autoconfigure.condition.ConditionalOnWebApplication;
import org.springframework.boot.autoconfigure.http.codec.CodecsAutoConfiguration;
import org.springframework.boot.autoconfigure.template.TemplateAvailabilityProviders;
import org.springframework.boot.autoconfigure.validation.ValidationAutoConfiguration;
import org.springframework.boot.autoconfigure.validation.ValidatorAdapter;
import org.springframework.boot.autoconfigure.web.ConditionalOnEnabledResourceChain;
import org.springframework.boot.autoconfigure.web.ServerProperties;
import org.springframework.boot.autoconfigure.web.WebProperties;
import org.springframework.boot.autoconfigure.web.WebProperties.Resources;
import org.springframework.boot.autoconfigure.web.WebResourcesRuntimeHints;
import org.springframework.boot.autoconfigure.web.format.DateTimeFormatters;
import org.springframework.boot.autoconfigure.web.format.WebConversionService;
import org.springframework.boot.autoconfigure.web.reactive.WebFluxProperties.Format;
import org.springframework.boot.context.properties.EnableConfigurationProperties;
import org.springframework.boot.convert.ApplicationConversionService;
import org.springframework.boot.web.codec.CodecCustomizer;
import org.springframework.boot.web.reactive.filter.OrderedHiddenHttpMethodFilter;
import org.springframework.context.ApplicationContext;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Import;
import org.springframework.context.annotation.ImportRuntimeHints;
import org.springframework.core.Ordered;
import org.springframework.core.annotation.Order;
import org.springframework.format.FormatterRegistry;
import org.springframework.format.support.FormattingConversionService;
import org.springframework.http.codec.ServerCodecConfigurer;
import org.springframework.util.ClassUtils;
import org.springframework.validation.Validator;
import org.springframework.web.filter.reactive.HiddenHttpMethodFilter;
import org.springframework.web.reactive.config.DelegatingWebFluxConfiguration;
import org.springframework.web.reactive.config.EnableWebFlux;
import org.springframework.web.reactive.config.ResourceHandlerRegistration;
import org.springframework.web.reactive.config.ResourceHandlerRegistry;
import org.springframework.web.reactive.config.ViewResolverRegistry;
import org.springframework.web.reactive.config.WebFluxConfigurationSupport;
import org.springframework.web.reactive.config.WebFluxConfigurer;
import org.springframework.web.reactive.function.server.RouterFunction;
import org.springframework.web.reactive.function.server.ServerResponse;
import org.springframework.web.reactive.function.server.support.RouterFunctionMapping;
import org.springframework.web.reactive.result.method.HandlerMethodArgumentResolver;
import org.springframework.web.reactive.result.method.annotation.ArgumentResolverConfigurer;
import org.springframework.web.reactive.result.method.annotation.RequestMappingHandlerAdapter;
import org.springframework.web.reactive.result.method.annotation.RequestMappingHandlerMapping;
import org.springframework.web.reactive.result.method.annotation.ResponseEntityExceptionHandler;
import org.springframework.web.reactive.result.view.ViewResolver;
import org.springframework.web.server.WebSession;
import org.springframework.web.server.adapter.WebHttpHandlerBuilder;
import org.springframework.web.server.i18n.AcceptHeaderLocaleContextResolver;
import org.springframework.web.server.i18n.FixedLocaleContextResolver;
import org.springframework.web.server.i18n.LocaleContextResolver;
import org.springframework.web.server.session.DefaultWebSessionManager;
import org.springframework.web.server.session.InMemoryWebSessionStore;
import org.springframework.web.server.session.WebSessionIdResolver;
import org.springframework.web.server.session.WebSessionManager;
/**
* {@link EnableAutoConfiguration Auto-configuration} for {@link EnableWebFlux WebFlux}.
*
* @author Brian Clozel
* @author Rob Winch
* @author Stephane Nicoll
* @author Andy Wilkinson
* @author Phillip Webb
* @author Eddú Meléndez
* @author Artsiom Yudovin
* @author Chris Bono
* @author Weix Sun
* @since 2.0.0
*/
@AutoConfiguration(after = { ReactiveWebServerFactoryAutoConfiguration.class, CodecsAutoConfiguration.class,
ReactiveMultipartAutoConfiguration.class, ValidationAutoConfiguration.class,
WebSessionIdResolverAutoConfiguration.class })
@ConditionalOnWebApplication(type = ConditionalOnWebApplication.Type.REACTIVE)
@ConditionalOnClass(WebFluxConfigurer.class)
@ConditionalOnMissingBean({ WebFluxConfigurationSupport.class })
@AutoConfigureOrder(Ordered.HIGHEST_PRECEDENCE + 10)
@ImportRuntimeHints(WebResourcesRuntimeHints.class)
public class WebFluxAutoConfiguration {
@Bean
@ConditionalOnMissingBean(HiddenHttpMethodFilter.class)
@ConditionalOnProperty(prefix = "spring.webflux.hiddenmethod.filter", name = "enabled")
public OrderedHiddenHttpMethodFilter hiddenHttpMethodFilter() {
return new OrderedHiddenHttpMethodFilter();
}
@Configuration(proxyBeanMethods = false)
public static class WelcomePageConfiguration {
@Bean
public RouterFunctionMapping welcomePageRouterFunctionMapping(ApplicationContext applicationContext,
WebFluxProperties webFluxProperties, WebProperties webProperties) {
String[] staticLocations = webProperties.getResources().getStaticLocations();
WelcomePageRouterFunctionFactory factory = new WelcomePageRouterFunctionFactory(
new TemplateAvailabilityProviders(applicationContext), applicationContext, staticLocations,
webFluxProperties.getStaticPathPattern());
RouterFunction routerFunction = factory.createRouterFunction();
if (routerFunction != null) {
RouterFunctionMapping routerFunctionMapping = new RouterFunctionMapping(routerFunction);
routerFunctionMapping.setOrder(1);
return routerFunctionMapping;
}
return null;
}
}
@Configuration(proxyBeanMethods = false)
@EnableConfigurationProperties({ WebProperties.class, WebFluxProperties.class })
@Import({ EnableWebFluxConfiguration.class })
@Order(0)
public static class WebFluxConfig implements WebFluxConfigurer {
private static final Log logger = LogFactory.getLog(WebFluxConfig.class);
private final Resources resourceProperties;
private final WebFluxProperties webFluxProperties;
private final ListableBeanFactory beanFactory;
private final ObjectProvider argumentResolvers;
private final ObjectProvider codecCustomizers;
private final ResourceHandlerRegistrationCustomizer resourceHandlerRegistrationCustomizer;
private final ObjectProvider viewResolvers;
public WebFluxConfig(WebProperties webProperties, WebFluxProperties webFluxProperties,
ListableBeanFactory beanFactory, ObjectProvider resolvers,
ObjectProvider codecCustomizers,
ObjectProvider resourceHandlerRegistrationCustomizer,
ObjectProvider viewResolvers) {
this.resourceProperties = webProperties.getResources();
this.webFluxProperties = webFluxProperties;
this.beanFactory = beanFactory;
this.argumentResolvers = resolvers;
this.codecCustomizers = codecCustomizers;
this.resourceHandlerRegistrationCustomizer = resourceHandlerRegistrationCustomizer.getIfAvailable();
this.viewResolvers = viewResolvers;
}
@Override
public void configureArgumentResolvers(ArgumentResolverConfigurer configurer) {
this.argumentResolvers.orderedStream().forEach(configurer::addCustomResolver);
}
@Override
public void configureHttpMessageCodecs(ServerCodecConfigurer configurer) {
this.codecCustomizers.orderedStream().forEach((customizer) -> customizer.customize(configurer));
}
@Override
public void addResourceHandlers(ResourceHandlerRegistry registry) {
if (!this.resourceProperties.isAddMappings()) {
logger.debug("Default resource handling disabled");
return;
}
String webjarsPathPattern = this.webFluxProperties.getWebjarsPathPattern();
if (!registry.hasMappingForPattern(webjarsPathPattern)) {
ResourceHandlerRegistration registration = registry.addResourceHandler(webjarsPathPattern)
.addResourceLocations("classpath:/META-INF/resources/webjars/");
configureResourceCaching(registration);
customizeResourceHandlerRegistration(registration);
}
String staticPathPattern = this.webFluxProperties.getStaticPathPattern();
if (!registry.hasMappingForPattern(staticPathPattern)) {
ResourceHandlerRegistration registration = registry.addResourceHandler(staticPathPattern)
.addResourceLocations(this.resourceProperties.getStaticLocations());
configureResourceCaching(registration);
customizeResourceHandlerRegistration(registration);
}
}
private void configureResourceCaching(ResourceHandlerRegistration registration) {
Duration cachePeriod = this.resourceProperties.getCache().getPeriod();
WebProperties.Resources.Cache.Cachecontrol cacheControl = this.resourceProperties.getCache()
.getCachecontrol();
if (cachePeriod != null && cacheControl.getMaxAge() == null) {
cacheControl.setMaxAge(cachePeriod);
}
registration.setCacheControl(cacheControl.toHttpCacheControl());
registration.setUseLastModified(this.resourceProperties.getCache().isUseLastModified());
}
@Override
public void configureViewResolvers(ViewResolverRegistry registry) {
this.viewResolvers.orderedStream().forEach(registry::viewResolver);
}
@Override
public void addFormatters(FormatterRegistry registry) {
ApplicationConversionService.addBeans(registry, this.beanFactory);
}
private void customizeResourceHandlerRegistration(ResourceHandlerRegistration registration) {
if (this.resourceHandlerRegistrationCustomizer != null) {
this.resourceHandlerRegistrationCustomizer.customize(registration);
}
}
}
/**
* Configuration equivalent to {@code @EnableWebFlux}.
*/
@Configuration(proxyBeanMethods = false)
@EnableConfigurationProperties({ WebProperties.class, ServerProperties.class })
public static class EnableWebFluxConfiguration extends DelegatingWebFluxConfiguration {
private final WebFluxProperties webFluxProperties;
private final WebProperties webProperties;
private final ServerProperties serverProperties;
private final WebFluxRegistrations webFluxRegistrations;
public EnableWebFluxConfiguration(WebFluxProperties webFluxProperties, WebProperties webProperties,
ServerProperties serverProperties, ObjectProvider webFluxRegistrations) {
this.webFluxProperties = webFluxProperties;
this.webProperties = webProperties;
this.serverProperties = serverProperties;
this.webFluxRegistrations = webFluxRegistrations.getIfUnique();
}
@Bean
@Override
public FormattingConversionService webFluxConversionService() {
Format format = this.webFluxProperties.getFormat();
WebConversionService conversionService = new WebConversionService(
new DateTimeFormatters().dateFormat(format.getDate())
.timeFormat(format.getTime())
.dateTimeFormat(format.getDateTime()));
addFormatters(conversionService);
return conversionService;
}
@Bean
@Override
public Validator webFluxValidator() {
if (!ClassUtils.isPresent("jakarta.validation.Validator", getClass().getClassLoader())) {
return super.webFluxValidator();
}
return ValidatorAdapter.get(getApplicationContext(), getValidator());
}
@Override
protected RequestMappingHandlerAdapter createRequestMappingHandlerAdapter() {
if (this.webFluxRegistrations != null) {
RequestMappingHandlerAdapter adapter = this.webFluxRegistrations.getRequestMappingHandlerAdapter();
if (adapter != null) {
return adapter;
}
}
return super.createRequestMappingHandlerAdapter();
}
@Override
protected RequestMappingHandlerMapping createRequestMappingHandlerMapping() {
if (this.webFluxRegistrations != null) {
RequestMappingHandlerMapping mapping = this.webFluxRegistrations.getRequestMappingHandlerMapping();
if (mapping != null) {
return mapping;
}
}
return super.createRequestMappingHandlerMapping();
}
@Bean
@Override
@ConditionalOnMissingBean(name = WebHttpHandlerBuilder.LOCALE_CONTEXT_RESOLVER_BEAN_NAME)
public LocaleContextResolver localeContextResolver() {
if (this.webProperties.getLocaleResolver() == WebProperties.LocaleResolver.FIXED) {
return new FixedLocaleContextResolver(this.webProperties.getLocale());
}
AcceptHeaderLocaleContextResolver localeContextResolver = new AcceptHeaderLocaleContextResolver();
localeContextResolver.setDefaultLocale(this.webProperties.getLocale());
return localeContextResolver;
}
@Bean
@ConditionalOnMissingBean(name = WebHttpHandlerBuilder.WEB_SESSION_MANAGER_BEAN_NAME)
public WebSessionManager webSessionManager(ObjectProvider webSessionIdResolver) {
DefaultWebSessionManager webSessionManager = new DefaultWebSessionManager();
Duration timeout = this.serverProperties.getReactive().getSession().getTimeout();
webSessionManager.setSessionStore(new MaxIdleTimeInMemoryWebSessionStore(timeout));
webSessionIdResolver.ifAvailable(webSessionManager::setSessionIdResolver);
return webSessionManager;
}
}
@Configuration(proxyBeanMethods = false)
@ConditionalOnEnabledResourceChain
static class ResourceChainCustomizerConfiguration {
@Bean
ResourceChainResourceHandlerRegistrationCustomizer resourceHandlerRegistrationCustomizer(
WebProperties webProperties) {
return new ResourceChainResourceHandlerRegistrationCustomizer(webProperties.getResources());
}
}
@Configuration(proxyBeanMethods = false)
@ConditionalOnProperty(prefix = "spring.webflux.problemdetails", name = "enabled", havingValue = "true")
static class ProblemDetailsErrorHandlingConfiguration {
@Bean
@ConditionalOnMissingBean(ResponseEntityExceptionHandler.class)
ProblemDetailsExceptionHandler problemDetailsExceptionHandler() {
return new ProblemDetailsExceptionHandler();
}
}
static final class MaxIdleTimeInMemoryWebSessionStore extends InMemoryWebSessionStore {
private final Duration timeout;
private MaxIdleTimeInMemoryWebSessionStore(Duration timeout) {
this.timeout = timeout;
}
@Override
public Mono createWebSession() {
return super.createWebSession().doOnSuccess(this::setMaxIdleTime);
}
private void setMaxIdleTime(WebSession session) {
session.setMaxIdleTime(this.timeout);
}
}
}