spring ServiceListFactoryBean 源码
spring ServiceListFactoryBean 代码
文件路径：/spring-beans/src/main/java/org/springframework/beans/factory/serviceloader/ServiceListFactoryBean.java
/*
* Copyright 2002-2020 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.beans.factory.serviceloader;
import java.util.ArrayList;
import java.util.List;
import java.util.ServiceLoader;
import org.springframework.beans.factory.BeanClassLoaderAware;
/**
* {@link org.springframework.beans.factory.FactoryBean} that exposes <i>all</i>
* services for the configured service class, represented as a List of service objects,
* obtained through the JDK 1.6 {@link java.util.ServiceLoader} facility.
*
* @author Juergen Hoeller
* @since 2.5
* @see java.util.ServiceLoader
*/
public class ServiceListFactoryBean extends AbstractServiceLoaderBasedFactoryBean implements BeanClassLoaderAware {
@Override
protected Object getObjectToExpose(ServiceLoader<?> serviceLoader) {
List<Object> result = new ArrayList<>();
for (Object loaderObject : serviceLoader) {
result.add(loaderObject);
}
return result;
}
@Override
public Class<?> getObjectType() {
return List.class;
}
}
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