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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  
22  package org.dbunit.dataset.datatype;
23  
24  import org.slf4j.Logger;
25  import org.slf4j.LoggerFactory;
26  
27  import org.dbunit.dataset.ITable;
28  
29  import java.math.BigDecimal;
30  import java.sql.PreparedStatement;
31  import java.sql.ResultSet;
32  import java.sql.SQLException;
33  import java.sql.Types;
34  
35  /**
36   * @author Manuel Laflamme
37   * @version $Revision$
38   */
39  public class LongDataType extends AbstractDataType
40  {
41  
42      /**
43       * Logger for this class
44       */
45      private static final Logger logger = LoggerFactory.getLogger(LongDataType.class);
46  
47      LongDataType()
48      {
49          super("BIGINT", Types.BIGINT, Long.class, true);
50      }
51  
52      ////////////////////////////////////////////////////////////////////////////
53      // DataType class
54  
55      public Object typeCast(Object value) throws TypeCastException
56      {
57          logger.debug("typeCast(value={}) - start", value);
58  
59          if (value == null || value == ITable.NO_VALUE)
60          {
61              return null;
62          }
63  
64          if (value instanceof Number)
65          {
66              return new Long(((Number)value).longValue());
67          }
68  
69          try
70          {
71              return typeCast(new BigDecimal(value.toString()));
72          }
73          catch (java.lang.NumberFormatException e)
74          {
75              throw new TypeCastException(value, this, e);
76          }
77      }
78  
79      public Object getSqlValue(int column, ResultSet resultSet)
80              throws SQLException, TypeCastException
81      {
82      	if(logger.isDebugEnabled())
83      		logger.debug("getSqlValue(column={}, resultSet={}) - start", new Integer(column), resultSet);
84  
85          long value = resultSet.getLong(column);
86          if (resultSet.wasNull())
87          {
88              return null;
89          }
90          return new Long(value);
91      }
92  
93      public void setSqlValue(Object value, int column, PreparedStatement statement)
94              throws SQLException, TypeCastException
95      {
96      	if(logger.isDebugEnabled())
97      		logger.debug("setSqlValue(value={}, column={}, statement={}) - start",
98          		new Object[]{value, new Integer(column), statement} );
99  
100         statement.setLong(column, ((Number)typeCast(value)).longValue());
101     }
102 }
103 
104 
105 
106 
107