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1   /*
2    *
3    * The DbUnit Database Testing Framework
4    * Copyright (C)2002-2004, DbUnit.org
5    *
6    * This library is free software; you can redistribute it and/or
7    * modify it under the terms of the GNU Lesser General Public
8    * License as published by the Free Software Foundation; either
9    * version 2.1 of the License, or (at your option) any later version.
10   *
11   * This library is distributed in the hope that it will be useful,
12   * but WITHOUT ANY WARRANTY; without even the implied warranty of
13   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14   * Lesser General Public License for more details.
15   *
16   * You should have received a copy of the GNU Lesser General Public
17   * License along with this library; if not, write to the Free Software
18   * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
19   *
20   */
21  package org.dbunit.ext.mysql;
22  
23  import java.sql.Types;
24  import java.util.Arrays;
25  import java.util.Collection;
26  
27  import org.dbunit.dataset.datatype.DataType;
28  import org.dbunit.dataset.datatype.DataTypeException;
29  import org.dbunit.dataset.datatype.DefaultDataTypeFactory;
30  import org.slf4j.Logger;
31  import org.slf4j.LoggerFactory;
32  
33  /**
34   * Specialized factory that recognizes MySql data types.
35   * 
36   * @author manuel.laflamme
37   * @author Last changed by: $Author$
38   * @version $Revision$ $Date$
39   * @since 1.5 (Sep 3, 2003)
40   */
41  public class MySqlDataTypeFactory extends DefaultDataTypeFactory
42  {
43      public static final String UNSIGNED_SUFFIX = " UNSIGNED";
44      public static final String SQL_TYPE_NAME_TINYINT_UNSIGNED = "TINYINT" + UNSIGNED_SUFFIX;
45  
46      /**
47       * Logger for this class
48       */
49      private static final Logger logger = LoggerFactory.getLogger(MySqlDataTypeFactory.class);
50      /**
51       * Database product names supported.
52       */
53      private static final Collection DATABASE_PRODUCTS = Arrays.asList(new String[] {"mysql"});
54      /**
55       * @see org.dbunit.dataset.datatype.IDbProductRelatable#getValidDbProducts()
56       */
57      public Collection getValidDbProducts()
58      {
59          return DATABASE_PRODUCTS;
60      }
61  
62      public DataType createDataType(int sqlType, String sqlTypeName) throws DataTypeException
63      {
64          if(logger.isDebugEnabled())
65              logger.debug("createDataType(sqlType={}, sqlTypeName={}) - start", String.valueOf(sqlType), sqlTypeName);
66  
67          if (sqlType == Types.OTHER)
68          {
69              // CLOB
70              if ("longtext".equalsIgnoreCase(sqlTypeName))
71              {
72                  return DataType.CLOB;
73              }
74              // MySQL 5.0 Boolean
75              else if("bit".equalsIgnoreCase(sqlTypeName))
76              {
77                  return DataType.BOOLEAN;
78              }
79              else if("point".equalsIgnoreCase(sqlTypeName))
80              {
81                  return DataType.BINARY;
82              }
83          }
84          // Treat BIT as TINYINT
85          else if("bit".equalsIgnoreCase(sqlTypeName))
86          {
87              return DataType.TINYINT;
88          }
89  
90  
91          // Special handling for "TINYINT UNSIGNED"
92          if(SQL_TYPE_NAME_TINYINT_UNSIGNED.equalsIgnoreCase(sqlTypeName)){
93              return DataType.TINYINT; // It is a bit of a waste here - we could better use a "Short" instead of an "Integer" type
94          }
95  
96          // If we have an unsigned datatype check for some specialties
97          // See http://dev.mysql.com/doc/refman/5.0/en/connector-j-reference-type-conversions.html
98          if(sqlTypeName.endsWith(UNSIGNED_SUFFIX)) {
99              if(sqlType == Types.INTEGER) {
100                 return DataType.BIGINT;
101             }
102         }
103 
104         return super.createDataType(sqlType, sqlTypeName);
105     }
106 }