spring EnvironmentPostProcessor 源码
springboot EnvironmentPostProcessor 代码
文件路径：/spring-boot-project/spring-boot/src/main/java/org/springframework/boot/env/EnvironmentPostProcessor.java
/*
* 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.env;
import org.springframework.boot.BootstrapContext;
import org.springframework.boot.BootstrapRegistry;
import org.springframework.boot.ConfigurableBootstrapContext;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.logging.DeferredLogFactory;
import org.springframework.core.env.ConfigurableEnvironment;
import org.springframework.core.env.Environment;
/**
* Allows for customization of the application's {@link Environment} prior to the
* application context being refreshed.
* <p>
* EnvironmentPostProcessor implementations have to be registered in
* {@code META-INF/spring.factories}, using the fully qualified name of this class as the
* key. Implementations may implement the {@link org.springframework.core.Ordered Ordered}
* interface or use an {@link org.springframework.core.annotation.Order @Order} annotation
* if they wish to be invoked in specific order.
* <p>
* Since Spring Boot 2.4, {@code EnvironmentPostProcessor} implementations may optionally
* take the following constructor parameters:
* <ul>
* <li>{@link DeferredLogFactory} - A factory that can be used to create loggers with
* output deferred until the application has been fully prepared (allowing the environment
* itself to configure logging levels).</li>
* <li>{@link ConfigurableBootstrapContext} - A bootstrap context that can be used to
* store objects that may be expensive to create, or need to be shared
* ({@link BootstrapContext} or {@link BootstrapRegistry} may also be used).</li>
* </ul>
*
* @author Andy Wilkinson
* @author Stephane Nicoll
* @since 1.3.0
*/
@FunctionalInterface
public interface EnvironmentPostProcessor {
/**
* Post-process the given {@code environment}.
* @param environment the environment to post-process
* @param application the application to which the environment belongs
*/
void postProcessEnvironment(ConfigurableEnvironment environment, SpringApplication application);
}
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- 本文标签： Spring Boot Java Spring
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