001/*
002 * Copyright 2002-2008 the original author or authors.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 *      https://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016
017package org.springframework.beans.factory.serviceloader;
018
019import java.util.LinkedList;
020import java.util.List;
021import java.util.ServiceLoader;
022
023import org.springframework.beans.factory.BeanClassLoaderAware;
024
025/**
026 * {@link org.springframework.beans.factory.FactoryBean} that exposes <i>all</i>
027 * services for the configured service class, represented as a List of service objects,
028 * obtained through the JDK 1.6 {@link java.util.ServiceLoader} facility.
029 *
030 * @author Juergen Hoeller
031 * @since 2.5
032 * @see java.util.ServiceLoader
033 */
034public class ServiceListFactoryBean extends AbstractServiceLoaderBasedFactoryBean implements BeanClassLoaderAware {
035
036        @Override
037        protected Object getObjectToExpose(ServiceLoader<?> serviceLoader) {
038                List<Object> result = new LinkedList<Object>();
039                for (Object loaderObject : serviceLoader) {
040                        result.add(loaderObject);
041                }
042                return result;
043        }
044
045        @Override
046        public Class<?> getObjectType() {
047                return List.class;
048        }
049
050}