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Java > Open Source Codes > scriptella > driver > spring > Driver


1 /*
2  * Copyright 2006-2007 The Scriptella Project Team.
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 scriptella.driver.spring;
17
18 import org.springframework.beans.factory.BeanFactory;
19 import scriptella.jdbc.GenericDriver;
20
21 import javax.sql.DataSource JavaDoc;
22 import java.sql.SQLException JavaDoc;
23 import java.util.Properties JavaDoc;
24
25 /**
26  * Scriptella driver for <a HREF="http://www.springframework.org">The Spring Framework</a>
27  * Bean Factory(or Application Context) registered datasources.
28  * <p>This driver relies on {@link scriptella.jdbc.GenericDriver} functionality.
29  * <p><em>Note:</em>Use Spring transaction proxies for
30  * {@link EtlExecutorBean} to support Spring transactions.
31  * <p>For configuration details and examples see <a HREF="package-summary.html">overview page</a>.
32  *
33  * @author Fyodor Kupolov
34  * @version 1.0
35  */

36 public class Driver extends GenericDriver {
37     @Override JavaDoc
38     protected java.sql.Connection JavaDoc getConnection(String JavaDoc url, Properties JavaDoc props) throws SQLException JavaDoc {
39         if (url == null) {
40             throw new SpringProviderException("Name of the spring bean must be specified in an url attribute of connection element.");
41         }
42         try {
43             BeanFactory beanFactory = EtlExecutorBean.getContextBeanFactory();
44             DataSource JavaDoc ds = (DataSource JavaDoc) beanFactory.getBean(url);
45             return ds.getConnection();
46         } catch (Exception JavaDoc e) {
47             throw new SpringProviderException("A problem occured while trying to lookup a datasource with name " + url, e);
48         }
49
50     }
51
52
53
54
55 }
56
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