1 /*
2 *
3 * The DbUnit Database Testing Framework
4 * Copyright (C)2002-2009, 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.postgresql;
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 Postgresql data types.
35 * <p>
36 * Derived from work by manuel.laflamme</p>
37 *
38 * @author Jarvis Cochrane (jarvis@cochrane.com.au)
39 * @author manuel.laflamme
40 * @since 2.4.5 (Apr 27, 2009)
41 */
42 public class PostgresqlDataTypeFactory extends DefaultDataTypeFactory {
43
44 /**
45 * Logger for this class
46 */
47 private static final Logger logger = LoggerFactory.getLogger(PostgresqlDataTypeFactory.class);
48 /**
49 * Database product names supported.
50 */
51 private static final Collection DATABASE_PRODUCTS = Arrays.asList(new String[] {"PostgreSQL"});
52
53 /**
54 * @see org.dbunit.dataset.datatype.IDbProductRelatable#getValidDbProducts()
55 */
56 public Collection getValidDbProducts()
57 {
58 return DATABASE_PRODUCTS;
59 }
60
61 public DataType createDataType(int sqlType, String sqlTypeName) throws DataTypeException {
62 logger.debug("createDataType(sqlType={}, sqlTypeName={})",
63 String.valueOf(sqlType), sqlTypeName);
64
65 if (sqlType == Types.OTHER)
66 // Treat Postgresql UUID types as VARCHARS
67 if ("uuid".equals(sqlTypeName))
68 return new UuidType();
69 // Intervals are custom types
70 else if ("interval".equals(sqlTypeName))
71 return new IntervalType();
72 else if ("inet".equals(sqlTypeName))
73 return new InetType();
74 else
75 {
76 // Finally check whether the user defined a custom datatype
77 if(isEnumType(sqlTypeName))
78 {
79 if(logger.isDebugEnabled())
80 logger.debug("Custom enum type used for sqlTypeName {} (sqlType '{}')",
81 new Object[] {sqlTypeName, new Integer(sqlType)} );
82 return new GenericEnumType(sqlTypeName);
83 }
84 }
85
86 return super.createDataType(sqlType, sqlTypeName);
87 }
88
89 /**
90 * Returns a data type for the given sql type name if the user wishes one.
91 * <b>Designed to be overridden by custom implementations extending this class.</b>
92 * Override this method if you have a custom enum type in the database and want
93 * to map it via dbunit.
94 * @param sqlTypeName The sql type name for which users can specify a custom data type.
95 * @return <code>null</code> if the given type name is not a custom
96 * type which is the default implementation.
97 * @since 2.4.6
98 */
99 public boolean isEnumType(String sqlTypeName)
100 {
101 return false;
102 }
103
104 }