/*
    *
    * 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 org.dbunit.dataset.ITable;
  
  import java.math.BigDecimal;
  import java.sql.PreparedStatement;
  import java.sql.ResultSet;
  import java.sql.SQLException;
  import java.sql.Types;
  
  /**
   * @author Manuel Laflamme
   * @version $Revision: 709 $
   */
  public class LongDataType extends AbstractDataType
  {
  
      /**
       * Logger for this class
       */
      private static final Logger logger = LoggerFactory.getLogger(LongDataType.class);
  
      LongDataType()
      {
          super("BIGINT", Types.BIGINT, Long.class, true);
      }
  
      ////////////////////////////////////////////////////////////////////////////
      // DataType class
  
      public Object typeCast(Object value) throws TypeCastException
      {
          logger.debug("typeCast(value={}) - start", value);
  
          if (value == null || value == ITable.NO_VALUE)
          {
              return null;
          }
  
          if (value instanceof Number)
          {
              return new Long(((Number)value).longValue());
          }
  
          try
          {
              return typeCast(new BigDecimal(value.toString()));
          }
          catch (java.lang.NumberFormatException e)
          {
              throw new TypeCastException(value, this, e);
          }
      }
  
      public Object getSqlValue(int column, ResultSet resultSet)
              throws SQLException, TypeCastException
      {
      	if(logger.isDebugEnabled())
      		logger.debug("getSqlValue(column={}, resultSet={}) - start", new Integer(column), resultSet);
  
          long value = resultSet.getLong(column);
          if (resultSet.wasNull())
          {
              return null;
          }
          return new Long(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, new Integer(column), statement} );
  
         statement.setLong(column, ((Number)typeCast(value)).longValue());
     }
 }