spring ImportAutoConfiguration 源码
springboot ImportAutoConfiguration 代码
文件路径：/spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/ImportAutoConfiguration.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.autoconfigure;
import java.lang.annotation.Documented;
import java.lang.annotation.ElementType;
import java.lang.annotation.Inherited;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
import org.springframework.boot.context.annotation.ImportCandidates;
import org.springframework.context.annotation.Import;
import org.springframework.core.annotation.AliasFor;
/**
* Import and apply the specified auto-configuration classes. Applies the same ordering
* rules as {@code @EnableAutoConfiguration} but restricts the auto-configuration classes
* to the specified set, rather than consulting {@link ImportCandidates}.
* <p>
* Can also be used to {@link #exclude()} specific auto-configuration classes such that
* they will never be applied.
* <p>
* Generally, {@code @EnableAutoConfiguration} should be used in preference to this
* annotation, however, {@code @ImportAutoConfiguration} can be useful in some situations
* and especially when writing tests.
*
* @author Phillip Webb
* @author Andy Wilkinson
* @since 1.3.0
*/
@Target(ElementType.TYPE)
@Retention(RetentionPolicy.RUNTIME)
@Documented
@Inherited
@Import(ImportAutoConfigurationImportSelector.class)
public @interface ImportAutoConfiguration {
/**
* The auto-configuration classes that should be imported. This is an alias for
* {@link #classes()}.
* @return the classes to import
*/
@AliasFor("classes")
Class<?>[] value() default {};
/**
* The auto-configuration classes that should be imported. When empty, the classes are
* specified using a file in {@code META-INF/spring} where the file name is the
* fully-qualified name of the annotated class, suffixed with '.imports'.
* @return the classes to import
*/
@AliasFor("value")
Class<?>[] classes() default {};
/**
* Exclude specific auto-configuration classes such that they will never be applied.
* @return the classes to exclude
*/
Class<?>[] exclude() default {};
}
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- 本文标签： Java Spring Spring Boot
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