/*
    *
    * 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.sql.Blob;
  import java.sql.PreparedStatement;
  import java.sql.ResultSet;
  import java.sql.SQLException;
  import java.sql.Types;
  
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  /**
   * @author Manuel Laflamme
   * @version $Revision$
   * @since Jan 12, 2004
   */
  public class BlobDataType extends BytesDataType
  {
      private static final Logger logger =
              LoggerFactory.getLogger(BlobDataType.class);
  
      public BlobDataType()
      {
          super("BLOB", Types.BLOB);
      }
  
      public BlobDataType(final String name, final int sqlType)
      {
          super(name, sqlType);
      }
  
      @Override
      public Object getSqlValue(final int column, final ResultSet resultSet)
              throws SQLException, TypeCastException
      {
          logger.debug("getSqlValue(column={}, resultSet={}) - start", column,
                  resultSet);
          final Blob rawValue = resultSet.getBlob(column);
          final Object value = resultSet.wasNull() ? null : typeCast(rawValue);
          logger.debug("getSqlValue: column={}, value is null?={}", column,
                  value == null);
          return value;
      }
  
      @Override
      public void setSqlValue(final Object value, final int column,
              final PreparedStatement statement)
              throws SQLException, TypeCastException
      {
          if (logger.isDebugEnabled())
          {
              logger.debug(
                      "setSqlValue(value={}, column={}, statement={}) - start",
                      value, String.valueOf(column), statement);
          }
  
          statement.setObject(column, typeCast(value), super.getSqlType());
      }
  }