LongDataType.java

  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.dataset.datatype;

  22. import java.math.BigDecimal;
  23. import java.sql.PreparedStatement;
  24. import java.sql.ResultSet;
  25. import java.sql.SQLException;
  26. import java.sql.Types;

  27. import org.dbunit.dataset.ITable;
  28. import org.slf4j.Logger;
  29. import org.slf4j.LoggerFactory;

  30. /**
  31.  * @author Manuel Laflamme
  32.  * @version $Revision$
  33.  */
  34. public class LongDataType extends AbstractDataType
  35. {
  36.     private static final Logger logger =
  37.             LoggerFactory.getLogger(LongDataType.class);

  38.     LongDataType()
  39.     {
  40.         super("BIGINT", Types.BIGINT, Long.class, true);
  41.     }

  42.     ////////////////////////////////////////////////////////////////////////////
  43.     // DataType class

  44.     @Override
  45.     public Object typeCast(final Object value) throws TypeCastException
  46.     {
  47.         logger.debug("typeCast(value={}) - start", value);

  48.         if (value == null || value == ITable.NO_VALUE)
  49.         {
  50.             return null;
  51.         }

  52.         if (value instanceof Number)
  53.         {
  54.             return ((Number) value).longValue();
  55.         }

  56.         try
  57.         {
  58.             return typeCast(new BigDecimal(value.toString()));
  59.         } catch (final java.lang.NumberFormatException e)
  60.         {
  61.             throw new TypeCastException(value, this, e);
  62.         }
  63.     }

  64.     @Override
  65.     public Object getSqlValue(final int column, final ResultSet resultSet)
  66.             throws SQLException, TypeCastException
  67.     {
  68.         logger.debug("getSqlValue(column={}, resultSet={}) - start", column,
  69.                 resultSet);
  70.         final long rawValue = resultSet.getLong(column);
  71.         final Long value = resultSet.wasNull() ? null : rawValue;
  72.         logger.debug("getSqlValue: column={}, value={}", column, value);
  73.         return value;
  74.     }

  75.     @Override
  76.     public void setSqlValue(final Object value, final int column,
  77.             final PreparedStatement statement)
  78.             throws SQLException, TypeCastException
  79.     {
  80.         logger.debug("setSqlValue(value={}, column={}, statement={}) - start",
  81.                 value, column, statement);

  82.         statement.setLong(column, ((Number) typeCast(value)).longValue());
  83.     }
  84. }