com.livk.commons.selector.AutoImportSelector Maven / Gradle / Ivy
/*
* Copyright 2021-2024 spring-boot-extension 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 com.livk.commons.selector;
import com.livk.commons.util.ClassUtils;
import org.springframework.boot.context.annotation.ImportCandidates;
import org.springframework.core.annotation.AnnotationAttributes;
import org.springframework.core.type.AnnotationMetadata;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
/**
* 使用注解的方式代替 XXXImportSelector
*
* 减少XXXImportSelector继承 {@link SpringAbstractImportSelector}却不重写方法
*
* @author livk
* @see AutoImport
*/
class AutoImportSelector extends SpringAbstractImportSelector {
@Override
protected List getCandidateConfigurations(AnnotationMetadata metadata, AnnotationAttributes attributes) {
Set names = new HashSet<>();
Class annotationClass = getAnnotationClass();
if (annotationClass != null) {
for (String annotationType : metadata.getAnnotationTypes()) {
Class type = ClassUtils.resolveClassName(annotationType, getBeanClassLoader());
if (type.isAnnotation() && type.isAnnotationPresent(annotationClass)) {
names.addAll(ImportCandidates.load(type, getBeanClassLoader()).getCandidates());
}
}
}
return new ArrayList<>(names);
}
}