| DataAccess.java |
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.log.Log;
27 import com.liferay.portal.kernel.log.LogFactoryUtil;
28 import com.liferay.portal.kernel.util.InfrastructureUtil;
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 = InfrastructureUtil.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 }