/*

  * Copyright 2005-2007 The Kuali Foundation

  * 

  * Licensed under the Educational Community 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.opensource.org/licenses/ecl2.php

  * 

  * 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.

  */

 package org.kuali.rice.kns.util;

 import java.math.BigDecimal;

 import org.apache.ojb.broker.accesslayer.conversions.FieldConversion;

 /**

  * 

  * 

  */

 public class OjbDecimalPercentageFieldConversion extends OjbKualiDecimalFieldConversion implements FieldConversion {

     private static BigDecimal oneHundred = new BigDecimal(100.0000);

     /**

      * Convert percentages to decimals for proper storage.

      * 

      * @see FieldConversion#javaToSql(Object)

      */

     public Object javaToSql(Object source) {

         // Convert to BigDecimal using existing conversion.

         source = super.javaToSql(source);

         // Check for null, and verify object type.

         // Do conversion if our type is correct (BigDecimal).

         if (source != null && source instanceof BigDecimal) {

             BigDecimal converted = (BigDecimal) source;

             return converted.divide(oneHundred, 4, KualiDecimal.ROUND_BEHAVIOR);

         }

         else {

             return null;

         }

     }

     /**

      * Convert database decimals to 'visual' percentages for use in our business objects.

      * 

      * @see FieldConversion#sqlToJava(Object)

      */

     public Object sqlToJava(Object source) {

         // Check for null, and verify object type.

         // Do conversion if our type is correct (BigDecimal).

         if (source != null && source instanceof BigDecimal) {

             BigDecimal converted = (BigDecimal) source;

             // Once we have converted, we need to do the super conversion to KualiDecimal.

             return super.sqlToJava(converted.multiply(oneHundred));

         }

         else {

             return null;

         }

     }

 }