spring StandardLayers 源码
springboot StandardLayers 代码
文件路径：/spring-boot-project/spring-boot-tools/spring-boot-loader-tools/src/main/java/org/springframework/boot/loader/tools/StandardLayers.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.loader.tools;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Iterator;
import java.util.List;
import java.util.stream.Stream;
/**
* Base class for the standard set of {@link Layers}. Defines the following layers:
* <ol>
* <li>"dependencies" - For non snapshot dependencies</li>
* <li>"spring-boot-loader" - For classes from {@code spring-boot-loader} used to launch a
* fat jar</li>
* <li>"snapshot-dependencies" - For snapshot dependencies</li>
* <li>"application" - For application classes and resources</li>
* </ol>
*
* @author Madhura Bhave
* @author Phillip Webb
* @since 2.3.0
*/
public abstract class StandardLayers implements Layers {
/**
* The dependencies layer.
*/
public static final Layer DEPENDENCIES = new Layer("dependencies");
/**
* The spring boot loader layer.
*/
public static final Layer SPRING_BOOT_LOADER = new Layer("spring-boot-loader");
/**
* The snapshot dependencies layer.
*/
public static final Layer SNAPSHOT_DEPENDENCIES = new Layer("snapshot-dependencies");
/**
* The application layer.
*/
public static final Layer APPLICATION = new Layer("application");
private static final List<Layer> LAYERS;
static {
List<Layer> layers = new ArrayList<>();
layers.add(DEPENDENCIES);
layers.add(SPRING_BOOT_LOADER);
layers.add(SNAPSHOT_DEPENDENCIES);
layers.add(APPLICATION);
LAYERS = Collections.unmodifiableList(layers);
}
@Override
public Iterator<Layer> iterator() {
return LAYERS.iterator();
}
@Override
public Stream<Layer> stream() {
return LAYERS.stream();
}
}
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- 所属分类： 后端技术
- 本文标签： Java Spring Spring Boot
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