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1   /***
2    * Redistribution and use of this software and associated documentation
3    * ("Software"), with or without modification, are permitted provided
4    * that the following conditions are met:
5    *
6    * 1. Redistributions of source code must retain copyright
7    *    statements and notices.  Redistributions must also contain a
8    *    copy of this document.
9    *
10   * 2. Redistributions in binary form must reproduce the
11   *    above copyright notice, this list of conditions and the
12   *    following disclaimer in the documentation and/or other
13   *    materials provided with the distribution.
14   *
15   * 3. The name "Exolab" must not be used to endorse or promote
16   *    products derived from this Software without prior written
17   *    permission of Exoffice Technologies.  For written permission,
18   *    please contact info@exolab.org.
19   *
20   * 4. Products derived from this Software may not be called "Exolab"
21   *    nor may "Exolab" appear in their names without prior written
22   *    permission of Exoffice Technologies. Exolab is a registered
23   *    trademark of Exoffice Technologies.
24   *
25   * 5. Due credit should be given to the Exolab Project
26   *    (http://www.exolab.org/).
27   *
28   * THIS SOFTWARE IS PROVIDED BY EXOFFICE TECHNOLOGIES AND CONTRIBUTORS
29   * ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT
30   * NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
31   * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL
32   * EXOFFICE TECHNOLOGIES OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
33   * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
34   * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
35   * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
36   * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
37   * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
38   * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
39   * OF THE POSSIBILITY OF SUCH DAMAGE.
40   *
41   * Copyright 2002-2003 (C) Exoffice Technologies Inc. All Rights Reserved.
42   *
43   * $Id: SchemaConverterFactory.java,v 1.1 2004/11/26 01:51:16 tanderson Exp $
44   */
45  package org.exolab.jms.tools.db;
46  
47  import java.sql.Connection;
48  
49  import org.exolab.jms.tools.db.migration.V061toV072SchemaConverter;
50  import org.exolab.jms.tools.db.migration.V072toV076SchemaConverter;
51  
52  
53  /***
54   * A factory for {@link SchemaConverter} instances
55   *
56   * @version     $Revision: 1.1 $ $Date: 2004/11/26 01:51:16 $
57   * @author      <a href="mailto:tma@netspace.net.au">Tim Anderson</a>
58   */
59  public class SchemaConverterFactory {
60  
61      /***
62       * Supported schema versions
63       */
64      private static final String VERSION_0_6_1 = "V0.6.1";
65      private static final String VERSION_0_7_2 = "V0.7.2";
66      private static final String VERSION_0_7_6 = "V0.7.6";
67  
68  
69      public static SchemaConverter create(String fromVersion, String toVersion,
70                                           Connection connection) {
71          SchemaConverter result = null;
72          if (fromVersion.equals(VERSION_0_6_1) &&
73              toVersion.equals(VERSION_0_7_2)) {
74              result = new V061toV072SchemaConverter(connection);
75          }
76          if (fromVersion.equals(VERSION_0_7_2) &&
77              toVersion.equals(VERSION_0_7_6)) {
78              result = new V072toV076SchemaConverter(connection);
79          }
80  
81          return result;
82      }
83  
84  } //-- SchemaConverterFactory