AbstractDataSource


1   /*
2    * Copyright 2002-2006 the original author or authors.
3    *
4    * Licensed under the Apache License, Version 2.0 (the "License");
5    * you may not use this file except in compliance with the License.
6    * You may obtain a copy of the License at
7    *
8    *      http://www.apache.org/licenses/LICENSE-2.0
9    *
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS,
12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   * See the License for the specific language governing permissions and
14   * limitations under the License.
15   */
16  
17  package org.springframework.jdbc.datasource;
18  
19  import java.io.PrintWriter  ;
20  import java.sql.SQLException  ;
21  
22  import javax.sql.DataSource  ;
23  
24  import org.apache.commons.logging.Log;
25  import org.apache.commons.logging.LogFactory;
26  
27  /**
28   * Abstract base class for Spring's DataSource implementations,
29   * taking care of the padding.
30   *
31   * @author Juergen Hoeller
32   * @since 07.05.2003
33   * @see DriverManagerDataSource
34   */
35  public abstract class AbstractDataSource implements DataSource   {
36  
37      /** Logger available to subclasses */
38      protected final Log logger = LogFactory.getLog(getClass());
39  
40  
41      /**
42       * Returns 0, indicating to use the default system timeout.
43       */
44      public int getLoginTimeout() throws SQLException   {
45          return 0;
46      }
47  
48      /**
49       * Setting a login timeout is not supported.
50       */
51      public void setLoginTimeout(int timeout) throws SQLException   {
52          throw new UnsupportedOperationException  ("setLoginTimeout");
53      }
54  
55      /**
56       * LogWriter methods are not supported.
57       */
58      public PrintWriter   getLogWriter() {
59          throw new UnsupportedOperationException  ("getLogWriter");
60      }
61  
62      /**
63       * LogWriter methods are not supported.
64       */
65      public void setLogWriter(PrintWriter   pw) throws SQLException   {
66          throw new UnsupportedOperationException  ("setLogWriter");
67      }
68  
69  }
70
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