/*
* Copyright 2012-2017 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
*
* http://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 org.springframework.beans.BeansException;
import org.springframework.beans.factory.BeanFactory;
import org.springframework.beans.factory.BeanFactoryAware;
import org.springframework.beans.factory.config.ConfigurableListableBeanFactory;
import org.springframework.beans.factory.support.BeanDefinitionRegistry;
import org.springframework.beans.factory.support.RootBeanDefinition;
import org.springframework.boot.autoconfigure.AutoConfigureOrder;
import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
import org.springframework.boot.autoconfigure.condition.ConditionalOnWebApplication;
import org.springframework.boot.autoconfigure.web.ServerProperties;
import org.springframework.boot.context.properties.EnableConfigurationProperties;
import org.springframework.boot.web.server.WebServerFactoryCustomizerBeanPostProcessor;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Import;
import org.springframework.context.annotation.ImportBeanDefinitionRegistrar;
import org.springframework.core.Ordered;
import org.springframework.core.type.AnnotationMetadata;
import org.springframework.util.ObjectUtils;
/**
* {@link EnableAutoConfiguration Auto-configuration} for a reactive web server.
*
* @author Brian Clozel
* @since 2.0.0
*/
@AutoConfigureOrder(Ordered.HIGHEST_PRECEDENCE)
@Configuration
@ConditionalOnWebApplication(type = ConditionalOnWebApplication.Type.REACTIVE)
@EnableConfigurationProperties(ServerProperties.class)
@Import({ ReactiveWebServerAutoConfiguration.BeanPostProcessorsRegistrar.class,
ReactiveWebServerConfiguration.TomcatAutoConfiguration.class,
ReactiveWebServerConfiguration.JettyAutoConfiguration.class,
ReactiveWebServerConfiguration.UndertowAutoConfiguration.class,
ReactiveWebServerConfiguration.ReactorNettyAutoConfiguration.class})
public class ReactiveWebServerAutoConfiguration {
@ConditionalOnMissingBean
@Bean
public DefaultReactiveWebServerCustomizer defaultReactiveWebServerCustomizer(
ServerProperties serverProperties) {
return new DefaultReactiveWebServerCustomizer(serverProperties);
}
/**
* Registers a {@link WebServerFactoryCustomizerBeanPostProcessor}. Registered via
* {@link ImportBeanDefinitionRegistrar} for early registration.
*/
public static class BeanPostProcessorsRegistrar
implements ImportBeanDefinitionRegistrar, BeanFactoryAware {
private ConfigurableListableBeanFactory beanFactory;
@Override
public void setBeanFactory(BeanFactory beanFactory) throws BeansException {
if (beanFactory instanceof ConfigurableListableBeanFactory) {
this.beanFactory = (ConfigurableListableBeanFactory) beanFactory;
}
}
@Override
public void registerBeanDefinitions(AnnotationMetadata importingClassMetadata,
BeanDefinitionRegistry registry) {
if (this.beanFactory == null) {
return;
}
if (ObjectUtils.isEmpty(this.beanFactory.getBeanNamesForType(
WebServerFactoryCustomizerBeanPostProcessor.class, true, false))) {
RootBeanDefinition beanDefinition = new RootBeanDefinition(
WebServerFactoryCustomizerBeanPostProcessor.class);
beanDefinition.setSynthetic(true);
registry.registerBeanDefinition(
"webServerFactoryCustomizerBeanPostProcessor", beanDefinition);
}
}
}
}