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.jndi.JNDIUtil;
26  import com.liferay.portal.kernel.log.Log;
27  import com.liferay.portal.kernel.log.LogFactoryUtil;
28  import com.liferay.portal.kernel.util.SortedProperties;
29  import com.liferay.portal.kernel.util.Validator;
30  import com.liferay.portal.util.PropsUtil;
31  
32  import com.mchange.v2.c3p0.ComboPooledDataSource;
33  
34  import java.util.Enumeration;
35  import java.util.Properties;
36  
37  import javax.naming.InitialContext;
38  
39  import javax.sql.DataSource;
40  
41  import org.apache.commons.beanutils.BeanUtils;
42  
43  import org.springframework.beans.factory.config.AbstractFactoryBean;
44  
45  /**
46   * <a href="DataSourceFactoryBean.java.html"><b><i>View Source</i></b></a>
47   *
48   * @author Brian Wing Shun Chan
49   *
50   */
51  public class DataSourceFactoryBean extends AbstractFactoryBean {
52  
53      public Class<?> getObjectType() {
54          return DataSource.class;
55      }
56  
57      public void setPropertyPrefix(String propertyPrefix) {
58          _propertyPrefix = propertyPrefix;
59      }
60  
61      protected Object createInstance() throws Exception {
62          Properties properties = PropsUtil.getProperties(_propertyPrefix, true);
63  
64          String jndiName = properties.getProperty("jndi.name");
65  
66          if (Validator.isNotNull(jndiName)) {
67              try {
68                  return JNDIUtil.lookup(new InitialContext(), jndiName);
69              }
70              catch (Exception e) {
71                  _log.error("Unable to lookup " + jndiName, e);
72              }
73          }
74  
75          DataSource dataSource = new ComboPooledDataSource();
76  
77          Enumeration<String> enu =
78              (Enumeration<String>)properties.propertyNames();
79  
80          while (enu.hasMoreElements()) {
81              String key = enu.nextElement();
82  
83              String value = properties.getProperty(key);
84  
85              // Map org.apache.commons.dbcp.BasicDataSource to C3PO
86  
87              if (key.equalsIgnoreCase("driverClassName")) {
88                  key = "driverClass";
89              }
90              else if (key.equalsIgnoreCase("url")) {
91                  key = "jdbcUrl";
92              }
93              else if (key.equalsIgnoreCase("username")) {
94                  key = "user";
95              }
96  
97              BeanUtils.setProperty(dataSource, key, value);
98          }
99  
100         if (_log.isDebugEnabled()) {
101             SortedProperties sortedProperties = new SortedProperties(
102                 properties);
103 
104             _log.debug("Properties for prefix " + _propertyPrefix);
105 
106             sortedProperties.list(System.out);
107         }
108 
109         return dataSource;
110     }
111 
112     private static Log _log =
113         LogFactoryUtil.getLog(DataSourceFactoryBean.class);
114 
115     private String _propertyPrefix;
116 
117 }