/**
    *
    * 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;
      }
  }