spring AutoConfigurations 源码
springboot AutoConfigurations 代码
文件路径：/spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/AutoConfigurations.java
/*
* Copyright 2012-2019 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.autoconfigure;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.List;
import java.util.Set;
import java.util.stream.Collectors;
import org.springframework.boot.context.annotation.Configurations;
import org.springframework.core.Ordered;
import org.springframework.core.type.classreading.SimpleMetadataReaderFactory;
import org.springframework.util.ClassUtils;
/**
* {@link Configurations} representing auto-configuration {@code @Configuration} classes.
*
* @author Phillip Webb
* @since 2.0.0
*/
public class AutoConfigurations extends Configurations implements Ordered {
private static final AutoConfigurationSorter SORTER = new AutoConfigurationSorter(new SimpleMetadataReaderFactory(),
null);
private static final Ordered ORDER = new AutoConfigurationImportSelector();
protected AutoConfigurations(Collection<Class<?>> classes) {
super(classes);
}
@Override
protected Collection<Class<?>> sort(Collection<Class<?>> classes) {
List<String> names = classes.stream().map(Class::getName).collect(Collectors.toList());
List<String> sorted = SORTER.getInPriorityOrder(names);
return sorted.stream().map((className) -> ClassUtils.resolveClassName(className, null))
.collect(Collectors.toCollection(ArrayList::new));
}
@Override
public int getOrder() {
return ORDER.getOrder();
}
@Override
protected AutoConfigurations merge(Set<Class<?>> mergedClasses) {
return new AutoConfigurations(mergedClasses);
}
public static AutoConfigurations of(Class<?>... classes) {
return new AutoConfigurations(Arrays.asList(classes));
}
}
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- 本文标签： Spring Boot Java Spring
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