package org.apache.ojb.broker.accesslayer.conversions;

 /* Copyright 2004-2005 The Apache Software Foundation

  *

  * Licensed under the Apache License, Version 2.0 (the "License");

  * you may not use this file except in compliance with the License.

  * You may obtain a copy of the License at

  *

  *     http://www.apache.org/licenses/LICENSE-2.0

  *

  * Unless required by applicable law or agreed to in writing, software

  * distributed under the License is distributed on an "AS IS" BASIS,

  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

  * See the License for the specific language governing permissions and

  * limitations under the License.

  */

 import java.sql.Date;

 import java.util.Calendar;

 import java.util.GregorianCalendar;

 /**

  * This implementation of the {@link FieldConversion} interface converts

  * between {@link java.util.Calendar} and {@link java.sql.Date}. When

  * convert sql to java always a {@link java.util.GregorianCalendar}

  * object is returned.

  *

  * @author Guillaume Nodet

  * @version $Id: Calendar2DateFieldConversion.java,v 1.1 2007-08-24 22:17:31 ewestfal Exp $

  */

 public class Calendar2DateFieldConversion implements FieldConversion

 {

     /**

      * @see FieldConversion#javaToSql(Object)

      */

     public Object javaToSql(Object source)

     {

         if (source instanceof Calendar)

         {

             // only valid >= JDK 1.4

             // return new Date(((Calendar) source).getTimeInMillis());

             return new Date(((Calendar) source).getTime().getTime());

         }

         else

         {

             return source;

         }

     }

     /**

      * @see FieldConversion#sqlToJava(Object)

      */

     public Object sqlToJava(Object source)

     {

         if (source instanceof Date)

         {

             GregorianCalendar cal = new GregorianCalendar();

             cal.setTime(((Date) source));

             return cal;

         }

         else

         {

             return source;

         }

     }

 }