/*
    *
    * 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;
  
  /**
   * @author Manuel Laflamme
   * @version $Revision$
   */
  public class IntegerDataType extends AbstractDataType
  {
      private static final Logger logger = LoggerFactory.getLogger(IntegerDataType.class);
  
      IntegerDataType(String name, int sqlType)
      {
          super(name, sqlType, Integer.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 Integer(((Number)value).intValue());
          }
  
          // Treat "false" as 0, "true" as 1
          if (value instanceof String)
          {
              String string = (String) value;
  
              if ("false".equalsIgnoreCase(string))
              {
                  return new Integer(0);
              }
  
              if ("true".equalsIgnoreCase(string))
              {
                  return new Integer(1);
              }
          }
  
          // Bugfix in release 2.4.6
          String stringValue = value.toString().trim();
          if(stringValue.length()<=0)
          {
              return null;
          }
          
          try
          {
              return typeCast(new BigDecimal(stringValue));
          }
          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);
 
         int value = resultSet.getInt(column);
         if (resultSet.wasNull())
         {
             return null;
         }
         return new Integer(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.setInt(column, ((Integer)typeCast(value)).intValue());
     }
 }