001 package org.apache.fulcrum.spring; 002 003 /* 004 * Licensed to the Apache Software Foundation (ASF) under one 005 * or more contributor license agreements. See the NOTICE file 006 * distributed with this work for additional information 007 * regarding copyright ownership. The ASF licenses this file 008 * to you under the Apache License, Version 2.0 (the 009 * "License"); you may not use this file except in compliance 010 * with the License. You may obtain a copy of the License at 011 * 012 * http://www.apache.org/licenses/LICENSE-2.0 013 * 014 * Unless required by applicable law or agreed to in writing, 015 * software distributed under the License is distributed on an 016 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 017 * KIND, either express or implied. See the License for the 018 * specific language governing permissions and limitations 019 * under the License. 020 */ 021 022 import org.springframework.beans.factory.FactoryBean; 023 import org.springframework.beans.factory.InitializingBean; 024 import org.apache.avalon.framework.service.ServiceManager; 025 026 /** 027 * A Spring factory bean to lookup Avalon service and get a hold on 028 * them as Spring bean. Such spring bean can than be injected as dependency 029 * into other beans. 030 * 031 * @author <a href="mailto:siegfried.goeschl@it20one.at">Siegfried Goeschl</a> 032 */ 033 034 public class AvalonServiceFactoryBean implements FactoryBean, InitializingBean { 035 036 /** the Avalon ServiceManager */ 037 private ServiceManager serviceManager; 038 039 /** the name of the Avalon service to resolve */ 040 private String serviceName; 041 042 /** the resolved Avalon service */ 043 private Object service; 044 045 /** 046 * Resolve the service name to a service. 047 * 048 * @see org.springframework.beans.factory.InitializingBean#afterPropertiesSet() 049 */ 050 public void afterPropertiesSet() throws Exception 051 { 052 this.service = this.serviceManager.lookup(this.serviceName); 053 } 054 055 /** 056 * Set the Avalon ServiceManager to lookup the Avalon service. 057 * 058 * @param serviceManager the Avalon ServiceManager 059 */ 060 public void setServiceManager(ServiceManager serviceManager) 061 { 062 this.serviceManager = serviceManager; 063 } 064 065 /** 066 * Set the name of the Avalon service to be resolved by 067 * this Spring bean factory. 068 * 069 * @param serviceName the Avalon service name 070 */ 071 public void setServiceName(String serviceName) 072 { 073 this.serviceName = serviceName; 074 } 075 076 /** @see org.springframework.beans.factory.FactoryBean#getObject() */ 077 public Object getObject() throws Exception 078 { 079 return this.service; 080 } 081 082 /** @see org.springframework.beans.factory.FactoryBean#getObjectType() */ 083 public Class getObjectType() 084 { 085 return this.service.getClass(); 086 } 087 088 /** @see org.springframework.beans.factory.FactoryBean#isSingleton() */ 089 public boolean isSingleton() 090 { 091 return true; 092 } 093 }