1 package org.apache.fulcrum.spring;
2
3 /*
4 * Licensed to the Apache Software Foundation (ASF) under one
5 * or more contributor license agreements. See the NOTICE file
6 * distributed with this work for additional information
7 * regarding copyright ownership. The ASF licenses this file
8 * to you under the Apache License, Version 2.0 (the
9 * "License"); you may not use this file except in compliance
10 * with the License. You may obtain a copy of the License at
11 *
12 * http://www.apache.org/licenses/LICENSE-2.0
13 *
14 * Unless required by applicable law or agreed to in writing,
15 * software distributed under the License is distributed on an
16 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17 * KIND, either express or implied. See the License for the
18 * specific language governing permissions and limitations
19 * under the License.
20 */
21
22 import org.springframework.beans.factory.BeanFactory;
23 import org.apache.avalon.framework.service.ServiceManager;
24 import org.apache.avalon.framework.service.ServiceException;
25
26 /**
27 * Wraps a Spring bean factory to implement an Avalon service
28 * lookup - this allows to delegate a service lookup to Spring.
29 *
30 * @author <a href="mailto:siegfried.goeschl@it20one.at">Siegfried Goeschl</a>
31 */
32 public class BeanFactoryServiceManager implements ServiceManager
33 {
34 /** Spring's bean factory */
35 private BeanFactory beanFactory;
36
37 /**
38 * Constructor
39 *
40 * @param beanFactory Spring's bean factory
41 */
42 public BeanFactoryServiceManager(BeanFactory beanFactory)
43 {
44 this.beanFactory = beanFactory;
45 }
46
47 /** @see org.apache.avalon.framework.service.ServiceManager#lookup(String) */
48 public Object lookup(String key) throws ServiceException
49 {
50 try
51 {
52 return beanFactory.getBean(key);
53 }
54 catch(Exception e)
55 {
56 throw new ServiceException(key, "Unable to lookup service using Spring's BeanFactory", e);
57 }
58 }
59
60 /** @see org.apache.avalon.framework.service.ServiceManager#hasService(String) */
61 public boolean hasService(String key)
62 {
63 return beanFactory.containsBean(key);
64 }
65
66 /** @see org.apache.avalon.framework.service.ServiceManager#release(Object) */
67 public void release(Object o)
68 {
69 // nothing to do for Spring beans
70 }
71 }