1   /**
2    * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3    *
4    * The contents of this file are subject to the terms of the Liferay Enterprise
5    * Subscription License ("License"). You may not use this file except in
6    * compliance with the License. You can obtain a copy of the License by
7    * contacting Liferay, Inc. See the License for the specific language governing
8    * permissions and limitations under the License, including but not limited to
9    * distribution rights of the Software.
10   *
11   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
12   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
13   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
14   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
15   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
16   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
17   * SOFTWARE.
18   */
19  
20  package com.liferay.portal.spring.hibernate;
21  
22  import com.liferay.portal.kernel.log.Log;
23  import com.liferay.portal.kernel.log.LogFactoryUtil;
24  import com.liferay.portal.kernel.util.Validator;
25  import com.liferay.portal.util.PropsKeys;
26  import com.liferay.portal.util.PropsUtil;
27  import com.liferay.portal.util.PropsValues;
28  
29  import java.io.InputStream;
30  
31  import org.hibernate.cfg.Configuration;
32  import org.hibernate.cfg.Environment;
33  
34  /**
35   * <a href="PortalHibernateConfiguration.java.html"><b><i>View Source</i></b>
36   * </a>
37   *
38   * @author Brian Wing Shun Chan
39   *
40   */
41  public class PortalHibernateConfiguration
42      extends TransactionAwareConfiguration {
43  
44      protected String determineDialect() {
45          return DialectDetector.determineDialect(getDataSource());
46      }
47  
48      protected ClassLoader getConfigurationClassLoader() {
49          return getClass().getClassLoader();
50      }
51  
52      protected String[] getConfigurationResources() {
53          return PropsUtil.getArray(PropsKeys.HIBERNATE_CONFIGS);
54      }
55  
56      protected Configuration newConfiguration() {
57          Configuration configuration = new Configuration();
58  
59          try {
60              ClassLoader classLoader = getConfigurationClassLoader();
61  
62              String[] resources = getConfigurationResources();
63  
64              for (String resource : resources) {
65                  try {
66                      InputStream is = classLoader.getResourceAsStream(resource);
67  
68                      if (is != null) {
69                          configuration = configuration.addInputStream(is);
70  
71                          is.close();
72                      }
73                  }
74                  catch (Exception e1) {
75                      if (_log.isWarnEnabled()) {
76                          _log.warn(e1);
77                      }
78                  }
79              }
80  
81              if (Validator.isNull(PropsValues.HIBERNATE_DIALECT)) {
82                  String dialect = determineDialect();
83  
84                  configuration.setProperty("hibernate.dialect", dialect);
85              }
86  
87              configuration.setProperties(PropsUtil.getProperties());
88          }
89          catch (Exception e2) {
90              _log.error(e2, e2);
91          }
92  
93          return configuration;
94      }
95  
96      protected void postProcessConfiguration(Configuration configuration) {
97  
98          // Make sure that the Hibernate settings from PropsUtil are set. See the
99          // buildSessionFactory implementation in the LocalSessionFactoryBean
100         // class to understand how Spring automates a lot of configuration for
101         // Hibernate.
102 
103         String connectionReleaseMode = PropsUtil.get(
104             Environment.RELEASE_CONNECTIONS);
105 
106         if (Validator.isNotNull(connectionReleaseMode)) {
107             configuration.setProperty(
108                 Environment.RELEASE_CONNECTIONS, connectionReleaseMode);
109         }
110     }
111 
112     private static Log _log =
113         LogFactoryUtil.getLog(PortalHibernateConfiguration.class);
114 
115 }