1   /**
2    * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3    *
4    * Permission is hereby granted, free of charge, to any person obtaining a copy
5    * of this software and associated documentation files (the "Software"), to deal
6    * in the Software without restriction, including without limitation the rights
7    * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
8    * copies of the Software, and to permit persons to whom the Software is
9    * furnished to do so, subject to the following conditions:
10   *
11   * The above copyright notice and this permission notice shall be included in
12   * all copies or substantial portions of the Software.
13   *
14   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20   * SOFTWARE.
21   */
22  
23  package com.liferay.portal.dao.jdbc.util;
24  
25  import com.liferay.portal.kernel.log.Log;
26  import com.liferay.portal.kernel.log.LogFactoryUtil;
27  import com.liferay.portal.kernel.util.SortedProperties;
28  import com.liferay.portal.util.PropsUtil;
29  
30  import com.mchange.v2.c3p0.ComboPooledDataSource;
31  
32  import java.util.Enumeration;
33  import java.util.Properties;
34  
35  import javax.sql.DataSource;
36  
37  import org.apache.commons.beanutils.BeanUtils;
38  
39  import org.springframework.beans.factory.config.AbstractFactoryBean;
40  
41  /**
42   * <a href="DataSourceFactoryBean.java.html"><b><i>View Source</i></b></a>
43   *
44   * @author Brian Wing Shun Chan
45   *
46   */
47  public class DataSourceFactoryBean extends AbstractFactoryBean {
48  
49      public Class getObjectType() {
50          return DataSource.class;
51      }
52  
53      public void setPropertyPrefix(String propertyPrefix) {
54          _propertyPrefix = propertyPrefix;
55      }
56  
57      protected Object createInstance() throws Exception {
58          Properties properties = PropsUtil.getProperties(_propertyPrefix, true);
59  
60          DataSource dataSource = new ComboPooledDataSource();
61  
62          Enumeration<String> enu =
63              (Enumeration<String>)properties.propertyNames();
64  
65          while (enu.hasMoreElements()) {
66              String key = enu.nextElement();
67  
68              String value = properties.getProperty(key);
69  
70              // Map org.apache.commons.dbcp.BasicDataSource to C3PO
71  
72              if (key.equalsIgnoreCase("driverClassName")) {
73                  key = "driverClass";
74              }
75              else if (key.equalsIgnoreCase("url")) {
76                  key = "jdbcUrl";
77              }
78              else if (key.equalsIgnoreCase("username")) {
79                  key = "user";
80              }
81  
82              BeanUtils.setProperty(dataSource, key, value);
83          }
84  
85          if (_log.isDebugEnabled()) {
86              SortedProperties sortedProperties = new SortedProperties(
87                  properties);
88  
89              _log.debug("Properties for prefix " + _propertyPrefix);
90  
91              sortedProperties.list(System.out);
92          }
93  
94          return dataSource;
95      }
96  
97      private static Log _log =
98           LogFactoryUtil.getLog(DataSourceFactoryBean.class);
99  
100     private String _propertyPrefix;
101 
102 }