org.springframework.boot.autoconfigure.web.reactive.HttpHandlerAutoConfiguration Maven / Gradle / Ivy
/*
* Copyright 2012-2020 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.util.Collections;
import java.util.Map;
import org.springframework.beans.factory.ObjectProvider;
import org.springframework.boot.autoconfigure.AutoConfigureAfter;
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.ConditionalOnWebApplication;
import org.springframework.context.ApplicationContext;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.core.Ordered;
import org.springframework.http.server.reactive.ContextPathCompositeHandler;
import org.springframework.http.server.reactive.HttpHandler;
import org.springframework.util.StringUtils;
import org.springframework.web.reactive.DispatcherHandler;
import org.springframework.web.server.adapter.WebHttpHandlerBuilder;
/**
* {@link EnableAutoConfiguration Auto-configuration} for {@link HttpHandler}.
*
* @author Brian Clozel
* @author Stephane Nicoll
* @since 2.0.0
*/
@Configuration(proxyBeanMethods = false)
@ConditionalOnClass({ DispatcherHandler.class, HttpHandler.class })
@ConditionalOnWebApplication(type = ConditionalOnWebApplication.Type.REACTIVE)
@ConditionalOnMissingBean(HttpHandler.class)
@AutoConfigureAfter({ WebFluxAutoConfiguration.class })
@AutoConfigureOrder(Ordered.HIGHEST_PRECEDENCE + 10)
public class HttpHandlerAutoConfiguration {
@Configuration(proxyBeanMethods = false)
public static class AnnotationConfig {
private final ApplicationContext applicationContext;
public AnnotationConfig(ApplicationContext applicationContext) {
this.applicationContext = applicationContext;
}
@Bean
public HttpHandler httpHandler(ObjectProvider propsProvider) {
HttpHandler httpHandler = WebHttpHandlerBuilder.applicationContext(this.applicationContext).build();
WebFluxProperties properties = propsProvider.getIfAvailable();
if (properties != null && StringUtils.hasText(properties.getBasePath())) {
Map handlersMap = Collections.singletonMap(properties.getBasePath(), httpHandler);
return new ContextPathCompositeHandler(handlersMap);
}
return httpHandler;
}
}
}