View Javadoc
1   /**
2    * Logback: the reliable, generic, fast and flexible logging framework.
3    * Copyright (C) 1999-2015, QOS.ch. All rights reserved.
4    *
5    * This program and the accompanying materials are dual-licensed under
6    * either the terms of the Eclipse Public License v1.0 as published by
7    * the Eclipse Foundation
8    *
9    *   or (per the licensee's choosing)
10   *
11   * under the terms of the GNU Lesser General Public License version 2.1
12   * as published by the Free Software Foundation.
13   */
14  package ch.qos.logback.core.db;
15  
16  import java.sql.Connection;
17  import java.sql.DriverManager;
18  import java.sql.SQLException;
19  
20  /**
21   * The DriverManagerConnectionSource is an implementation of
22   * {@link ConnectionSource} that obtains the Connection in the traditional JDBC
23   * manner based on the connection URL.
24   * <p>
25   * For more information about this component, please refer to the online manual at
26   * http://logback.qos.ch/manual/appenders.html#DBAppender
27   * 
28   * @author <a href="mailto:rdecampo@twcny.rr.com">Ray DeCampo</a>
29   */
30  public class DriverManagerConnectionSource extends ConnectionSourceBase {
31      private String driverClass = null;
32      private String url = null;
33  
34      public void start() {
35          try {
36              if (driverClass != null) {
37                  Class.forName(driverClass);
38                  discoverConnectionProperties();
39              } else {
40                  addError("WARNING: No JDBC driver specified for logback DriverManagerConnectionSource.");
41              }
42          } catch (final ClassNotFoundException cnfe) {
43              addError("Could not load JDBC driver class: " + driverClass, cnfe);
44          }
45      }
46  
47      /**
48       * @see ch.qos.logback.core.db.ConnectionSource#getConnection()
49       */
50      public Connection getConnection() throws SQLException {
51          if (getUser() == null) {
52              return DriverManager.getConnection(url);
53          } else {
54              return DriverManager.getConnection(url, getUser(), getPassword());
55          }
56      }
57  
58      /**
59       * Returns the url.
60       * 
61       * @return String
62       */
63      public String getUrl() {
64          return url;
65      }
66  
67      /**
68       * Sets the url.
69       * 
70       * @param url
71       *          The url to set
72       */
73      public void setUrl(String url) {
74          this.url = url;
75      }
76  
77      /**
78       * Returns the name of the driver class.
79       * 
80       * @return String
81       */
82      public String getDriverClass() {
83          return driverClass;
84      }
85  
86      /**
87       * Sets the driver class.
88       * 
89       * @param driverClass
90       *          The driver class to set
91       */
92      public void setDriverClass(String driverClass) {
93          this.driverClass = driverClass;
94      }
95  }