/**
*
* 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.ext.postgresql;
import java.lang.reflect.Constructor;
import java.lang.reflect.InvocationTargetException;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Types;
import org.dbunit.dataset.datatype.AbstractDataType;
import org.dbunit.dataset.datatype.TypeCastException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Adapter to handle conversion between Postgresql
* native Interval type and Strings.
*
* @author James A. Russo (jr@halo3.net)
* @author Last changed by: $Author$
* @version $Revision$ $Date$
* @since 2.4.6
*/
public class IntervalType extends AbstractDataType {
/**
* Logger for this class
*/
private static final Logger logger = LoggerFactory.getLogger(IntervalType.class);
public IntervalType() {
super("interval", Types.OTHER, String.class, false);
}
public Object getSqlValue(int column, ResultSet resultSet) throws SQLException, TypeCastException {
return resultSet.getString(column);
}
public void setSqlValue(Object interval, int column,
PreparedStatement statement) throws SQLException, TypeCastException {
statement.setObject(column, getInterval(interval, statement.getConnection()));
}
public Object typeCast(Object arg0) throws TypeCastException {
return arg0.toString();
}
private Object getInterval(Object value, Connection connection) throws TypeCastException {
logger.debug("getInterval(value={}, connection={}) - start", value, connection);
Object tempInterval = null;
try {
Class aPGIntervalClass = super.loadClass("org.postgresql.util.PGInterval", connection);
Constructor ct = aPGIntervalClass.getConstructor(new Class[]{String.class});
tempInterval = ct.newInstance(new Object[]{value});
} catch (ClassNotFoundException e) {
throw new TypeCastException(value, this, e);
} catch (InvocationTargetException e) {
throw new TypeCastException(value, this, e);
} catch (NoSuchMethodException e) {
throw new TypeCastException(value, this, e);
} catch (IllegalAccessException e) {
throw new TypeCastException(value, this, e);
} catch (InstantiationException e) {
throw new TypeCastException(value, this, e);
}
return tempInterval;
}
}