spring Environment 源码
springboot Environment 代码
文件路径：/spring-boot-project/spring-boot-tools/spring-boot-buildpack-platform/src/main/java/org/springframework/boot/buildpack/platform/system/Environment.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.buildpack.platform.system;
/**
* Provides access to environment variable values.
*
* @author Scott Frederick
* @author Phillip Webb
* @since 2.3.0
*/
@FunctionalInterface
public interface Environment {
/**
* Standard {@link Environment} implementation backed by
* {@link System#getenv(String)}.
*/
Environment SYSTEM = System::getenv;
/**
* Gets the value of the specified environment variable.
* @param name the name of the environment variable
* @return the string value of the variable, or {@code null} if the variable is not
* defined in the environment
*/
String get(String name);
}
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- 所属分类： 后端技术
- 本文标签： Java Spring Spring Boot
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