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Spring Boot Actuator AutoConfigure
/*
* Copyright 2012-2022 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.actuate.autoconfigure.endpoint.web;
import java.util.Collection;
import java.util.Collections;
import java.util.stream.Collectors;
import org.springframework.beans.factory.ObjectProvider;
import org.springframework.boot.actuate.autoconfigure.endpoint.EndpointAutoConfiguration;
import org.springframework.boot.actuate.autoconfigure.endpoint.expose.EndpointExposure;
import org.springframework.boot.actuate.autoconfigure.endpoint.expose.IncludeExcludeEndpointFilter;
import org.springframework.boot.actuate.endpoint.EndpointFilter;
import org.springframework.boot.actuate.endpoint.EndpointsSupplier;
import org.springframework.boot.actuate.endpoint.annotation.Endpoint;
import org.springframework.boot.actuate.endpoint.invoke.OperationInvokerAdvisor;
import org.springframework.boot.actuate.endpoint.invoke.ParameterValueMapper;
import org.springframework.boot.actuate.endpoint.web.EndpointMediaTypes;
import org.springframework.boot.actuate.endpoint.web.ExposableServletEndpoint;
import org.springframework.boot.actuate.endpoint.web.ExposableWebEndpoint;
import org.springframework.boot.actuate.endpoint.web.PathMappedEndpoints;
import org.springframework.boot.actuate.endpoint.web.PathMapper;
import org.springframework.boot.actuate.endpoint.web.WebEndpointsSupplier;
import org.springframework.boot.actuate.endpoint.web.annotation.ControllerEndpointDiscoverer;
import org.springframework.boot.actuate.endpoint.web.annotation.ControllerEndpointsSupplier;
import org.springframework.boot.actuate.endpoint.web.annotation.ExposableControllerEndpoint;
import org.springframework.boot.actuate.endpoint.web.annotation.ServletEndpointDiscoverer;
import org.springframework.boot.actuate.endpoint.web.annotation.ServletEndpointsSupplier;
import org.springframework.boot.actuate.endpoint.web.annotation.WebEndpointDiscoverer;
import org.springframework.boot.autoconfigure.AutoConfiguration;
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.condition.ConditionalOnWebApplication.Type;
import org.springframework.boot.context.properties.EnableConfigurationProperties;
import org.springframework.context.ApplicationContext;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
/**
* {@link EnableAutoConfiguration Auto-configuration} for web {@link Endpoint @Endpoint}
* support.
*
* @author Phillip Webb
* @author Stephane Nicoll
* @since 2.0.0
*/
@AutoConfiguration(after = EndpointAutoConfiguration.class)
@ConditionalOnWebApplication
@EnableConfigurationProperties(WebEndpointProperties.class)
public class WebEndpointAutoConfiguration {
private final ApplicationContext applicationContext;
private final WebEndpointProperties properties;
public WebEndpointAutoConfiguration(ApplicationContext applicationContext, WebEndpointProperties properties) {
this.applicationContext = applicationContext;
this.properties = properties;
}
@Bean
public PathMapper webEndpointPathMapper() {
return new MappingWebEndpointPathMapper(this.properties.getPathMapping());
}
@Bean
@ConditionalOnMissingBean
public EndpointMediaTypes endpointMediaTypes() {
return EndpointMediaTypes.DEFAULT;
}
@Bean
@ConditionalOnMissingBean(WebEndpointsSupplier.class)
public WebEndpointDiscoverer webEndpointDiscoverer(ParameterValueMapper parameterValueMapper,
EndpointMediaTypes endpointMediaTypes, ObjectProvider endpointPathMappers,
ObjectProvider invokerAdvisors,
ObjectProvider> filters) {
return new WebEndpointDiscoverer(this.applicationContext, parameterValueMapper, endpointMediaTypes,
endpointPathMappers.orderedStream().collect(Collectors.toList()),
invokerAdvisors.orderedStream().collect(Collectors.toList()),
filters.orderedStream().collect(Collectors.toList()));
}
@Bean
@ConditionalOnMissingBean(ControllerEndpointsSupplier.class)
public ControllerEndpointDiscoverer controllerEndpointDiscoverer(ObjectProvider endpointPathMappers,
ObjectProvider>> filters) {
return new ControllerEndpointDiscoverer(this.applicationContext,
endpointPathMappers.orderedStream().collect(Collectors.toList()),
filters.getIfAvailable(Collections::emptyList));
}
@Bean
@ConditionalOnMissingBean
public PathMappedEndpoints pathMappedEndpoints(Collection> endpointSuppliers) {
return new PathMappedEndpoints(this.properties.getBasePath(), endpointSuppliers);
}
@Bean
public IncludeExcludeEndpointFilter webExposeExcludePropertyEndpointFilter() {
WebEndpointProperties.Exposure exposure = this.properties.getExposure();
return new IncludeExcludeEndpointFilter<>(ExposableWebEndpoint.class, exposure.getInclude(),
exposure.getExclude(), EndpointExposure.WEB.getDefaultIncludes());
}
@Bean
public IncludeExcludeEndpointFilter controllerExposeExcludePropertyEndpointFilter() {
WebEndpointProperties.Exposure exposure = this.properties.getExposure();
return new IncludeExcludeEndpointFilter<>(ExposableControllerEndpoint.class, exposure.getInclude(),
exposure.getExclude());
}
@Configuration(proxyBeanMethods = false)
@ConditionalOnWebApplication(type = Type.SERVLET)
static class WebEndpointServletConfiguration {
@Bean
@ConditionalOnMissingBean(ServletEndpointsSupplier.class)
ServletEndpointDiscoverer servletEndpointDiscoverer(ApplicationContext applicationContext,
ObjectProvider endpointPathMappers,
ObjectProvider> filters) {
return new ServletEndpointDiscoverer(applicationContext,
endpointPathMappers.orderedStream().collect(Collectors.toList()),
filters.orderedStream().collect(Collectors.toList()));
}
}
}