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1   /***
2    * @(#)XADataSourceFactory.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.services.jdbc;
26  
27  import java.util.Hashtable;
28  import java.util.ResourceBundle;
29  
30  import javax.sql.DataSource;
31  
32  import org.apache.commons.lang.math.NumberUtils;
33  import org.apache.commons.logging.Log;
34  import org.apache.commons.logging.LogFactory;
35  import org.enhydra.jdbc.standard.StandardXADataSource;
36  import org.huihoo.jfox.soaf.container.ServiceFactory;
37  import org.huihoo.jfox.soaf.services.transaction.JotmTransactionService;
38  
39  import com.jenkov.mrpersister.jdbc.DataSourceFactory;
40  
41  /***
42   * <p>
43   * XADataSource Factory.
44   * </p>
45   * 
46   * @author <a href="mailto:founder_chen@yahoo.com.cn">Peter Cheng </a>
47   * @version $Revision: 1.1 $ $Date: 2006/02/15 08:45:45 $
48   * @version Revision: 1.0
49   */
50  
51  public class XADataSourceFactory extends DataSourceFactory {
52  
53  	/***
54  	 * @param arg0
55  	 */
56  	public XADataSourceFactory(ResourceBundle arg0) {
57  		super(arg0);
58  	}
59  
60  	private DataSource xads;
61  
62  	private Hashtable attributes = new Hashtable();
63  
64  	private JotmTransactionService jotmTS = (JotmTransactionService) ServiceFactory
65  			.getInstance().getService(JotmTransactionService.class);
66  
67  	private final Log logger = LogFactory.getLog(getClass());
68  
69  	public DataSource getInstance() {
70  		xads = new StandardXADataSource();
71  		try {
72  			((StandardXADataSource) xads)
73  					.setDriverName((String) getAttribute(DatabaseConstant.JDBC_DRIVER_CLASS_NAME));
74  			((StandardXADataSource) xads)
75  					.setUrl((String) getAttribute(DatabaseConstant.JDBC_URL));
76  			((StandardXADataSource) xads)
77  					.setUser((String) getAttribute(DatabaseConstant.JDBC_USERNAME));
78  			((StandardXADataSource) xads)
79  					.setPassword((String) getAttribute(DatabaseConstant.JDBC_PASSWORD));
80  			String maxConNum = (String) getAttribute(DatabaseConstant.JDBC_MAX_POOL_SIZE);
81  			String minConNum = (String) getAttribute(DatabaseConstant.JDBC_MIN_POOL_SIZE);
82  			((StandardXADataSource) xads).setMaxCon(NumberUtils
83  					.toInt(maxConNum));
84  			((StandardXADataSource) xads).setMinCon(NumberUtils
85  					.toInt(minConNum));
86  			((StandardXADataSource) xads).setTransactionManager(jotmTS
87  					.getTransactionManager());
88  		} catch (Exception e) {
89  			logger.error("Init XADataSource failed " + e.getMessage());
90  		}
91  		return xads;
92  	}
93  
94  	/***
95  	 * Return the configuration attribute with the specified name (if any), or
96  	 * <code>null</code> if there is no such attribute.
97  	 * 
98  	 * @param name
99  	 *            Name of the attribute to return
100 	 * @return attribute
101 	 */
102 	public Object getAttribute(String name) {
103 		return attributes.get(name);
104 	}	
105 }