org.dbunit.dataset.datatype.BlobDataType Maven / Gradle / Ivy

/*
 *
 * 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 org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Types;
import java.sql.Blob;

/**
 * @author Manuel Laflamme
 * @version $Revision$
 * @since Jan 12, 2004
 */
public class BlobDataType extends BytesDataType
{
    /**
     * Logger for this class
     */
    private static final Logger logger = LoggerFactory.getLogger(BlobDataType.class);

    public BlobDataType()
    {
        super("BLOB", Types.BLOB);
    }

    public BlobDataType(String name, int sqlType)
    {
        super(name, sqlType);
    }

    public Object getSqlValue(int column, ResultSet resultSet) throws SQLException, TypeCastException
    {
    	if(logger.isDebugEnabled())
    		logger.debug("getSqlValue(column={}, resultSet={}) - start", String.valueOf(column), resultSet);

        Blob value = resultSet.getBlob(column);
        if (value == null || resultSet.wasNull())
        {
            return null;
        }
        return typeCast(value);
    }

    public void setSqlValue(Object value, int column, PreparedStatement statement) throws SQLException, TypeCastException
    {
    	if (logger.isDebugEnabled())
    	{
    		logger.debug("setSqlValue(value={}, column={}, statement={}) - start",
    				new Object[]{ value, String.valueOf(column), statement});
    	}

    	statement.setObject(column, typeCast(value), super.getSqlType());
    }
}