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.FactoryBean;
23 import org.springframework.beans.factory.InitializingBean;
24 import org.apache.avalon.framework.service.ServiceManager;
25
26 /**
27 * A Spring factory bean to lookup Avalon service and get a hold on
28 * them as Spring bean. Such spring bean can than be injected as dependency
29 * into other beans.
30 *
31 * @author <a href="mailto:siegfried.goeschl@it20one.at">Siegfried Goeschl</a>
32 */
33
34 public class AvalonServiceFactoryBean implements FactoryBean, InitializingBean {
35
36 /** the Avalon ServiceManager */
37 private ServiceManager serviceManager;
38
39 /** the name of the Avalon service to resolve */
40 private String serviceName;
41
42 /** the resolved Avalon service */
43 private Object service;
44
45 /**
46 * Resolve the service name to a service.
47 *
48 * @see org.springframework.beans.factory.InitializingBean#afterPropertiesSet()
49 */
50 public void afterPropertiesSet() throws Exception
51 {
52 this.service = this.serviceManager.lookup(this.serviceName);
53 }
54
55 /**
56 * Set the Avalon ServiceManager to lookup the Avalon service.
57 *
58 * @param serviceManager the Avalon ServiceManager
59 */
60 public void setServiceManager(ServiceManager serviceManager)
61 {
62 this.serviceManager = serviceManager;
63 }
64
65 /**
66 * Set the name of the Avalon service to be resolved by
67 * this Spring bean factory.
68 *
69 * @param serviceName the Avalon service name
70 */
71 public void setServiceName(String serviceName)
72 {
73 this.serviceName = serviceName;
74 }
75
76 /** @see org.springframework.beans.factory.FactoryBean#getObject() */
77 public Object getObject() throws Exception
78 {
79 return this.service;
80 }
81
82 /** @see org.springframework.beans.factory.FactoryBean#getObjectType() */
83 public Class getObjectType()
84 {
85 return this.service.getClass();
86 }
87
88 /** @see org.springframework.beans.factory.FactoryBean#isSingleton() */
89 public boolean isSingleton()
90 {
91 return true;
92 }
93 }