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.BeanFactory; 023 import org.apache.avalon.framework.service.ServiceManager; 024 import org.apache.avalon.framework.service.ServiceException; 025 026 /** 027 * Wraps a Spring bean factory to implement an Avalon service 028 * lookup - this allows to delegate a service lookup to Spring. 029 * 030 * @author <a href="mailto:siegfried.goeschl@it20one.at">Siegfried Goeschl</a> 031 */ 032 public class BeanFactoryServiceManager implements ServiceManager 033 { 034 /** Spring's bean factory */ 035 private BeanFactory beanFactory; 036 037 /** 038 * Constructor 039 * 040 * @param beanFactory Spring's bean factory 041 */ 042 public BeanFactoryServiceManager(BeanFactory beanFactory) 043 { 044 this.beanFactory = beanFactory; 045 } 046 047 /** @see org.apache.avalon.framework.service.ServiceManager#lookup(String) */ 048 public Object lookup(String key) throws ServiceException 049 { 050 try 051 { 052 return beanFactory.getBean(key); 053 } 054 catch(Exception e) 055 { 056 throw new ServiceException(key, "Unable to lookup service using Spring's BeanFactory", e); 057 } 058 } 059 060 /** @see org.apache.avalon.framework.service.ServiceManager#hasService(String) */ 061 public boolean hasService(String key) 062 { 063 return beanFactory.containsBean(key); 064 } 065 066 /** @see org.apache.avalon.framework.service.ServiceManager#release(Object) */ 067 public void release(Object o) 068 { 069 // nothing to do for Spring beans 070 } 071 }