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 2005 (C) Exoffice Technologies Inc. All Rights Reserved.
42   *
43   * $Id: DataDumper.java,v 1.1 2005/10/20 14:07:03 tanderson Exp $
44   */
45  package org.exolab.jms.tools.migration;
46  
47  import java.io.FileOutputStream;
48  import java.sql.Connection;
49  
50  import org.apache.derby.jdbc.EmbeddedDataSource;
51  
52  import org.dbunit.database.DatabaseConnection;
53  import org.dbunit.database.IDatabaseConnection;
54  import org.dbunit.dataset.IDataSet;
55  import org.dbunit.dataset.xml.FlatXmlDataSet;
56  import org.exolab.jms.config.Configuration;
57  import org.exolab.jms.config.ConfigurationReader;
58  import org.exolab.jms.persistence.DatabaseService;
59  import org.exolab.jms.persistence.PersistenceAdapter;
60  import org.exolab.jms.util.CommandLine;
61  
62  /***
63   * Export data from a database, in DBunit format.
64   *
65   * @author <a href="mailto:tma@netspace.net.au">Tim Anderson</a>
66   * @version $Revision: 1.1 $ $Date: 2005/10/20 14:07:03 $
67   */
68  public class DataDumper {
69  
70      /***
71       * Main line.
72       *
73       * @param args command line args
74       * @throws Exception for any errror
75       */
76      public static void main(String[] args) throws Exception {
77          CommandLine commands = new CommandLine(args);
78  
79          String dbPath = commands.value("db");
80          String configPath = commands.value("config");
81          String outputPath = commands.value("output");
82          if ((dbPath == null && configPath == null) || outputPath == null) {
83              usage();
84              System.exit(1);
85          } else {
86              try {
87                  Connection connection;
88                  if (dbPath != null) {
89                      EmbeddedDataSource dataSource = new EmbeddedDataSource();
90                      dataSource.setDatabaseName(dbPath);
91                      connection = dataSource.getConnection();
92  
93                  } else {
94                      Configuration config = ConfigurationReader.read(configPath);
95                      DatabaseService dbService = new DatabaseService(config);
96                      dbService.start();
97  
98                      PersistenceAdapter adapter = dbService.getAdapter();
99                      connection = adapter.getConnection();
100                 }
101                 IDatabaseConnection dbConnection
102                         = new DatabaseConnection(connection);
103                 IDataSet fullDataSet = dbConnection.createDataSet();
104                 FlatXmlDataSet.write(fullDataSet,
105                                      new FileOutputStream(outputPath));
106             } catch (Exception exception) {
107                 exception.printStackTrace();
108                 System.exit(1);
109             }
110         }
111 
112     }
113 
114     /***
115      * Displays usage information for this tool when invoked from the command
116      * line.
117      */
118     private static void usage() {
119         System.err.println(
120                 "usage: " + DataDumper.class.getName()
121                 + " <arguments> [options]\n"
122                 + "arguments:\n"
123                 + "  -config <path>  specifies the path to an OpenJMS "
124                 + "configuration file\n"
125                 + "  -output <path>  specifies the path to output data to\n");
126     }
127 
128 
129 }