1   /**
2    * Copyright (c) 2000-2008 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.kernel.dao.jdbc;
24  
25  import com.liferay.portal.kernel.jndi.JNDIUtil;
26  import com.liferay.portal.kernel.jndi.PortalJNDIUtil;
27  import com.liferay.portal.kernel.log.Log;
28  import com.liferay.portal.kernel.log.LogFactoryUtil;
29  
30  import java.sql.Connection;
31  import java.sql.ResultSet;
32  import java.sql.SQLException;
33  import java.sql.Statement;
34  
35  import javax.naming.InitialContext;
36  import javax.naming.NamingException;
37  
38  import javax.sql.DataSource;
39  
40  /**
41   * <a href="DataAccess.java.html"><b><i>View Source</i></b></a>
42   *
43   * @author Brian Wing Shun Chan
44   *
45   */
46  public class DataAccess {
47  
48      public static Connection getConnection()
49          throws NamingException, SQLException {
50  
51          DataSource ds = PortalJNDIUtil.getDataSource();
52  
53          return ds.getConnection();
54      }
55  
56      public static Connection getConnection(String location)
57          throws NamingException, SQLException {
58  
59          InitialContext ctx = new InitialContext();
60  
61          DataSource ds = (DataSource)JNDIUtil.lookup(ctx, location);
62  
63          return ds.getConnection();
64      }
65  
66      public static void cleanUp(Connection con) {
67          cleanUp(con, null, null);
68      }
69  
70      public static void cleanUp(Connection con, Statement s) {
71          cleanUp(con, s, null);
72      }
73  
74      public static void cleanUp(Connection con, Statement s, ResultSet rs) {
75          try {
76              if (rs != null) {
77                  rs.close();
78              }
79          }
80          catch (SQLException sqle) {
81              if (_log.isWarnEnabled()) {
82                  _log.warn(sqle.getMessage());
83              }
84          }
85  
86          try {
87              if (s != null) {
88                  s.close();
89              }
90          }
91          catch (SQLException sqle) {
92              if (_log.isWarnEnabled()) {
93                  _log.warn(sqle.getMessage());
94              }
95          }
96  
97          try {
98              if (con != null) {
99                  con.close();
100             }
101         }
102         catch (SQLException sqle) {
103             if (_log.isWarnEnabled()) {
104                 _log.warn(sqle.getMessage());
105             }
106         }
107     }
108 
109     private static Log _log = LogFactoryUtil.getLog(DataAccess.class);
110 
111 }