DoubleDataType.java
- /*
- *
- * The DbUnit Database Testing Framework
- * Copyright (C)2002-2004, DbUnit.org
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
- */
- package org.dbunit.dataset.datatype;
- import java.math.BigDecimal;
- import java.sql.PreparedStatement;
- import java.sql.ResultSet;
- import java.sql.SQLException;
- import org.dbunit.dataset.ITable;
- import org.slf4j.Logger;
- import org.slf4j.LoggerFactory;
- /**
- * @author Manuel Laflamme
- * @version $Revision$
- */
- public class DoubleDataType extends AbstractDataType
- {
- private static final Logger logger =
- LoggerFactory.getLogger(DoubleDataType.class);
- DoubleDataType(final String name, final int sqlType)
- {
- super(name, sqlType, Double.class, true);
- }
- /////////////////////////////////////////////////////////////////////////////
- // DataType methods
- @Override
- public Object typeCast(final Object value) throws TypeCastException
- {
- logger.debug("typeCast(value={}) - start", value);
- if (value == null || value == ITable.NO_VALUE)
- {
- return null;
- }
- if (value instanceof Number)
- {
- return ((Number) value).doubleValue();
- }
- try
- {
- return typeCast(new BigDecimal(value.toString()));
- } catch (final java.lang.NumberFormatException e)
- {
- throw new TypeCastException(value, this, e);
- }
- }
- @Override
- public Object getSqlValue(final int column, final ResultSet resultSet)
- throws SQLException, TypeCastException
- {
- logger.debug("getSqlValue(column={}, resultSet={}) - start", column,
- resultSet);
- final double rawValue = resultSet.getDouble(column);
- final Double value = resultSet.wasNull() ? null : rawValue;
- logger.debug("getSqlValue: column={}, value={}", column, value);
- return value;
- }
- @Override
- public void setSqlValue(final Object value, final int column,
- final PreparedStatement statement)
- throws SQLException, TypeCastException
- {
- logger.debug("setSqlValue(value={}, column={}, statement={}) - start",
- value, column, statement);
- statement.setDouble(column, ((Number) typeCast(value)).doubleValue());
- }
- }