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Java > Open Source Codes > org > outerj > daisy > emailnotifier > serverimpl > LocalEmailSubscriptionManagerProvider


1 /*
2  * Copyright 2004 Outerthought bvba and Schaubroeck nv
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  * http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */

16 package org.outerj.daisy.emailnotifier.serverimpl;
17
18 import org.apache.avalon.framework.service.Serviceable;
19 import org.apache.avalon.framework.service.ServiceManager;
20 import org.apache.avalon.framework.service.ServiceException;
21 import org.apache.avalon.framework.activity.Initializable;
22 import org.apache.avalon.framework.logger.Logger;
23 import org.apache.avalon.framework.logger.AbstractLogEnabled;
24 import org.outerj.daisy.repository.ExtensionRegistrar;
25 import org.outerj.daisy.repository.ExtensionProvider;
26 import org.outerj.daisy.repository.Repository;
27 import org.outerj.daisy.jdbcutil.JdbcHelper;
28
29 import javax.sql.DataSource JavaDoc;
30
31 /**
32  * @avalon.component version="1.0" name="emailSubscriptionManagerProvider" lifestyle="singleton"
33  */

34 public class LocalEmailSubscriptionManagerProvider extends AbstractLogEnabled implements Serviceable, Initializable {
35     private ExtensionRegistrar extensionRegistrar;
36     private ExtensionProvider extensionProvider;
37     private DataSource JavaDoc dataSource;
38     private Context context = new Context();
39     private JdbcHelper jdbcHelper;
40
41     /**
42      * @avalon.dependency key="datasource" type="javax.sql.DataSource"
43      * @avalon.dependency key="extensionRegistrar" type="org.outerj.daisy.repository.ExtensionRegistrar"
44      */

45     public void service(ServiceManager serviceManager) throws ServiceException {
46         this.extensionRegistrar = (ExtensionRegistrar)serviceManager.lookup("extensionRegistrar");
47         this.dataSource = (DataSource JavaDoc)serviceManager.lookup("datasource");
48     }
49
50     public void initialize() throws Exception JavaDoc {
51         extensionProvider = new MyExtensionProvider();
52         extensionRegistrar.registerExtension("EmailSubscriptionManager", extensionProvider);
53         jdbcHelper = JdbcHelper.getInstance(context.getDataSource(), context.getLogger());
54     }
55
56     class MyExtensionProvider implements ExtensionProvider {
57         public Object JavaDoc createExtension(Repository repository) {
58             return new LocalEmailSubscriptionManager(repository, context, jdbcHelper);
59         }
60     }
61
62     public class Context {
63         private Context() {
64         }
65
66         public DataSource JavaDoc getDataSource() {
67             return dataSource;
68         }
69
70         public Logger getLogger() {
71             return LocalEmailSubscriptionManagerProvider.this.getLogger();
72         }
73     }
74 }
75
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