org.springframework.boot.actuate.autoconfigure.startup.StartupEndpointAutoConfiguration Maven / Gradle / Ivy
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/*
* 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.startup;
import org.springframework.boot.actuate.autoconfigure.endpoint.condition.ConditionalOnAvailableEndpoint;
import org.springframework.boot.actuate.startup.StartupEndpoint;
import org.springframework.boot.autoconfigure.AutoConfiguration;
import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
import org.springframework.boot.autoconfigure.condition.ConditionMessage;
import org.springframework.boot.autoconfigure.condition.ConditionOutcome;
import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
import org.springframework.boot.autoconfigure.condition.SpringBootCondition;
import org.springframework.boot.context.metrics.buffering.BufferingApplicationStartup;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.ConditionContext;
import org.springframework.context.annotation.Conditional;
import org.springframework.core.metrics.ApplicationStartup;
import org.springframework.core.type.AnnotatedTypeMetadata;
/**
* {@link EnableAutoConfiguration Auto-configuration} for the {@link StartupEndpoint}.
*
* @author Brian Clozel
* @since 2.4.0
*/
@AutoConfiguration
@ConditionalOnAvailableEndpoint(endpoint = StartupEndpoint.class)
@Conditional(StartupEndpointAutoConfiguration.ApplicationStartupCondition.class)
public class StartupEndpointAutoConfiguration {
@Bean
@ConditionalOnMissingBean
public StartupEndpoint startupEndpoint(BufferingApplicationStartup applicationStartup) {
return new StartupEndpoint(applicationStartup);
}
/**
* {@link SpringBootCondition} checking the configured
* {@link org.springframework.core.metrics.ApplicationStartup}.
*
* Endpoint is enabled only if the configured implementation is
* {@link BufferingApplicationStartup}.
*/
static class ApplicationStartupCondition extends SpringBootCondition {
@Override
public ConditionOutcome getMatchOutcome(ConditionContext context, AnnotatedTypeMetadata metadata) {
ConditionMessage.Builder message = ConditionMessage.forCondition("ApplicationStartup");
ApplicationStartup applicationStartup = context.getBeanFactory().getApplicationStartup();
if (applicationStartup instanceof BufferingApplicationStartup) {
return ConditionOutcome.match(
message.because("configured applicationStartup is of type BufferingApplicationStartup."));
}
return ConditionOutcome.noMatch(message.because("configured applicationStartup is of type "
+ applicationStartup.getClass() + ", expected BufferingApplicationStartup."));
}
}
}