spring DebugAgentEnvironmentPostProcessor 源码
springboot DebugAgentEnvironmentPostProcessor 代码
文件路径：/spring-boot-project/spring-boot/src/main/java/org/springframework/boot/reactor/DebugAgentEnvironmentPostProcessor.java
/*
* 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.reactor;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.env.EnvironmentPostProcessor;
import org.springframework.core.Ordered;
import org.springframework.core.env.ConfigurableEnvironment;
import org.springframework.util.ClassUtils;
/**
* {@link EnvironmentPostProcessor} to enable the Reactor Debug Agent if available.
* <p>
* The debug agent is enabled by default, unless the
* {@code "spring.reactor.debug-agent.enabled"} configuration property is set to false. We
* are using here an {@link EnvironmentPostProcessor} instead of an auto-configuration
* class to enable the agent as soon as possible during the startup process.
*
* @author Brian Clozel
* @since 2.2.0
*/
public class DebugAgentEnvironmentPostProcessor implements EnvironmentPostProcessor, Ordered {
private static final String REACTOR_DEBUGAGENT_CLASS = "reactor.tools.agent.ReactorDebugAgent";
private static final String DEBUGAGENT_ENABLED_CONFIG_KEY = "spring.reactor.debug-agent.enabled";
@Override
public void postProcessEnvironment(ConfigurableEnvironment environment, SpringApplication application) {
if (ClassUtils.isPresent(REACTOR_DEBUGAGENT_CLASS, null)) {
Boolean agentEnabled = environment.getProperty(DEBUGAGENT_ENABLED_CONFIG_KEY, Boolean.class);
if (agentEnabled != Boolean.FALSE) {
try {
Class<?> debugAgent = Class.forName(REACTOR_DEBUGAGENT_CLASS);
debugAgent.getMethod("init").invoke(null);
}
catch (Exception ex) {
throw new RuntimeException("Failed to init Reactor's debug agent", ex);
}
}
}
}
@Override
public int getOrder() {
return Ordered.LOWEST_PRECEDENCE;
}
}
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- 所属分类： 后端技术
- 本文标签： Spring Boot Spring Java
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