org.springframework.boot.actuate.autoconfigure.cloudfoundry.CloudFoundryWebEndpointDiscoverer 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.actuate.autoconfigure.cloudfoundry;
import java.util.Collection;
import java.util.List;
import org.springframework.aot.hint.MemberCategory;
import org.springframework.aot.hint.RuntimeHints;
import org.springframework.aot.hint.RuntimeHintsRegistrar;
import org.springframework.boot.actuate.autoconfigure.cloudfoundry.CloudFoundryWebEndpointDiscoverer.CloudFoundryWebEndpointDiscovererRuntimeHints;
import org.springframework.boot.actuate.endpoint.EndpointFilter;
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.ExposableWebEndpoint;
import org.springframework.boot.actuate.endpoint.web.PathMapper;
import org.springframework.boot.actuate.endpoint.web.annotation.EndpointWebExtension;
import org.springframework.boot.actuate.endpoint.web.annotation.WebEndpointDiscoverer;
import org.springframework.boot.actuate.health.HealthEndpoint;
import org.springframework.context.ApplicationContext;
import org.springframework.context.annotation.ImportRuntimeHints;
import org.springframework.core.annotation.MergedAnnotations;
/**
* {@link WebEndpointDiscoverer} for Cloud Foundry that uses Cloud Foundry specific
* extensions for the {@link HealthEndpoint}.
*
* @author Madhura Bhave
* @since 2.0.0
*/
@ImportRuntimeHints(CloudFoundryWebEndpointDiscovererRuntimeHints.class)
public class CloudFoundryWebEndpointDiscoverer extends WebEndpointDiscoverer {
/**
* Create a new {@link WebEndpointDiscoverer} instance.
* @param applicationContext the source application context
* @param parameterValueMapper the parameter value mapper
* @param endpointMediaTypes the endpoint media types
* @param endpointPathMappers the endpoint path mappers
* @param invokerAdvisors invoker advisors to apply
* @param filters filters to apply
*/
public CloudFoundryWebEndpointDiscoverer(ApplicationContext applicationContext,
ParameterValueMapper parameterValueMapper, EndpointMediaTypes endpointMediaTypes,
List endpointPathMappers, Collection invokerAdvisors,
Collection> filters) {
super(applicationContext, parameterValueMapper, endpointMediaTypes, endpointPathMappers, invokerAdvisors,
filters);
}
@Override
protected boolean isExtensionTypeExposed(Class extensionBeanType) {
if (isHealthEndpointExtension(extensionBeanType) && !isCloudFoundryHealthEndpointExtension(extensionBeanType)) {
// Filter regular health endpoint extensions so a CF version can replace them
return false;
}
return true;
}
private boolean isHealthEndpointExtension(Class extensionBeanType) {
return MergedAnnotations.from(extensionBeanType)
.get(EndpointWebExtension.class)
.getValue("endpoint", Class.class)
.map(HealthEndpoint.class::isAssignableFrom)
.orElse(false);
}
private boolean isCloudFoundryHealthEndpointExtension(Class extensionBeanType) {
return MergedAnnotations.from(extensionBeanType).isPresent(EndpointCloudFoundryExtension.class);
}
static class CloudFoundryWebEndpointDiscovererRuntimeHints implements RuntimeHintsRegistrar {
@Override
public void registerHints(RuntimeHints hints, ClassLoader classLoader) {
hints.reflection()
.registerType(CloudFoundryEndpointFilter.class, MemberCategory.INVOKE_DECLARED_CONSTRUCTORS);
}
}
}