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Java > Open Source Codes > org > dbunit > dataset > datatype > BooleanDataType


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
22 package org.dbunit.dataset.datatype;
23
24 import org.dbunit.dataset.ITable;
25
26 import java.sql.PreparedStatement JavaDoc;
27 import java.sql.ResultSet JavaDoc;
28 import java.sql.SQLException JavaDoc;
29 import java.sql.Types JavaDoc;
30
31 /**
32  * @author Manuel Laflamme
33  * @version $Revision: 1.15 $
34  */

35 public class BooleanDataType extends AbstractDataType
36 {
37     BooleanDataType()
38     {
39         super("BIT", Types.BIT, Boolean JavaDoc.class, false);
40     }
41
42     ////////////////////////////////////////////////////////////////////////////
43
// DataType class
44

45     public Object JavaDoc typeCast(Object JavaDoc value) throws TypeCastException
46     {
47         if (value == null || value == ITable.NO_VALUE)
48         {
49             return null;
50         }
51
52         if (value instanceof Boolean JavaDoc)
53         {
54             return value;
55         }
56
57         if (value instanceof Number JavaDoc)
58         {
59             Number JavaDoc number = (Number JavaDoc)value;
60             if (number.intValue() == 0)
61                 return Boolean.FALSE;
62             else
63                 return Boolean.TRUE;
64         }
65
66         if (value instanceof String JavaDoc)
67         {
68             String JavaDoc string = (String JavaDoc)value;
69
70             if (string.equalsIgnoreCase("true") || string.equalsIgnoreCase("false"))
71             {
72                 return Boolean.valueOf(string);
73             }
74             else
75             {
76                 return typeCast(DataType.INTEGER.typeCast(string));
77             }
78         }
79
80         throw new TypeCastException(value, this);
81     }
82
83     public int compare(Object JavaDoc o1, Object JavaDoc o2) throws TypeCastException
84     {
85         Boolean JavaDoc value1 = (Boolean JavaDoc)typeCast(o1);
86         Boolean JavaDoc value2 = (Boolean JavaDoc)typeCast(o2);
87
88         if (value1 == null && value2 == null)
89         {
90             return 0;
91         }
92
93         if (value1 == null && value2 != null)
94         {
95             return -1;
96         }
97
98         if (value1 != null && value2 == null)
99         {
100             return 1;
101         }
102
103         if (value1.equals(value2))
104         {
105             return 0;
106         }
107
108         if (value1.equals(Boolean.FALSE))
109         {
110             return -1;
111         }
112
113         return 1;
114     }
115
116     public Object JavaDoc getSqlValue(int column, ResultSet JavaDoc resultSet)
117             throws SQLException JavaDoc, TypeCastException
118     {
119         boolean value = resultSet.getBoolean(column);
120         if (resultSet.wasNull())
121         {
122             return null;
123         }
124         return value ? Boolean.TRUE : Boolean.FALSE;
125     }
126
127     public void setSqlValue(Object JavaDoc value, int column, PreparedStatement JavaDoc statement)
128             throws SQLException JavaDoc, TypeCastException
129     {
130         statement.setBoolean(column, ((Boolean JavaDoc)typeCast(value)).booleanValue());
131     }
132
133 }
134
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