1 /***
2 * @(#)ServiceFactory.java
3 *
4 * JFoxSOAF, Service-Oriented Application Framework
5 *
6 * Copyright(c) JFoxSOAF Team
7 *
8 * Licensed under the GNU LGPL, Version 2.1 (the "License");
9 * you may not use this file except in compliance with the License.
10 * You may obtain a copy of the License at
11 *
12 * http://www.gnu.org/copyleft/lesser.html
13 *
14 * Unless required by applicable law or agreed to in writing, software
15 * distributed under the License is distributed on an "AS IS" BASIS,
16 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
17 * See the License for the specific language governing permissions and
18 * limitations under the License.
19 *
20 * For more information, please visit:
21 * http://www.jfox.cn/confluence/display/JFoxSOAF/Home
22 * http://www.huihoo.org/jfox/jfoxsoaf
23 */
24
25 package org.huihoo.jfox.soaf.container;
26
27 import org.huihoo.jfox.soaf.exception.ServiceConfigurationException;
28 import org.picocontainer.PicoException;
29 import org.picocontainer.PicoRegistrationException;
30
31 /***
32 * <p>
33 * The ServiceFactory is a singleton wrapper on the service container instance.
34 * </p>
35 *
36 * @author <a href="mailto:founder_chen@yahoo.com.cn">Peter Cheng </a>
37 * @version $Revision: 1.15 $ $Date: 2005/05/22 06:46:49 $
38 * @version Revision: 1.0
39 */
40
41 public class ServiceFactory {
42
43 private static ServiceFactory serviceFactory;
44
45 private ServiceContainer serviceContainer = ServiceContainer.getInstance();
46
47 private ManageableServiceContainer manageableServiceContainer = ManageableServiceContainer
48 .getInstance();
49
50 /***
51 * Singleton instance.
52 */
53 public static synchronized ServiceFactory getInstance() {
54 if (serviceFactory == null) {
55 serviceFactory = new ServiceFactory();
56 }
57
58
59
60
61 return serviceFactory;
62 }
63
64 /***
65 * Default Constructor.
66 */
67 public ServiceFactory() {
68 }
69
70 /***
71 * Lookup service by serviceKey
72 *
73 * @param componentKey
74 * @return Service Object
75 */
76 public synchronized Object getService(Object serviceKey)
77 throws PicoException, ServiceConfigurationException {
78 return serviceContainer.getService(serviceKey);
79 }
80
81 /***
82 * Lookup service by serviceType
83 *
84 * @param componentKey
85 * @return Service Object
86 */
87 public synchronized Object getService(Class serviceType)
88 throws PicoException {
89 return serviceContainer.getServiceOfType(serviceType);
90 }
91
92 /***
93 * Unregister service.
94 *
95 * @param service
96 */
97 public void unRegisterService(Object service) {
98 serviceContainer.unregisterComponent(service);
99 }
100
101 /***
102 * Unregister service instance.
103 *
104 * @param serviceInstance
105 */
106 public void unRegisterServiceInstance(Object serviceInstance) {
107 serviceContainer.unregisterComponentByInstance(serviceInstance);
108 }
109
110 /***
111 * Register service implementation.
112 *
113 * @param service
114 */
115 public void registerService(Class serviceImpl)
116 throws PicoRegistrationException {
117 serviceContainer.registerServiceImplementation(serviceImpl);
118 }
119
120 /***
121 * Register service with service key.
122 *
123 * @param serviceKey
124 * @param serviceImpl
125 */
126 public void registerService(Object serviceKey, Class serviceImpl)
127 throws PicoRegistrationException {
128 serviceContainer.registerServiceImplementation(serviceKey, serviceImpl);
129 }
130
131 /***
132 * Register service instance.
133 *
134 * @param serviceInstance
135 */
136 public void registerServiceInstance(Object serviceInstance)
137 throws PicoRegistrationException {
138 serviceContainer.registerServiceInstance(serviceInstance);
139 }
140
141 }