/*

  * 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.kew.ojb;

 import java.security.GeneralSecurityException;

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

 import org.kuali.rice.kew.service.KEWServiceLocator;

 public class OjbEncryptDecryptFieldConversion implements FieldConversion {

         private static final long serialVersionUID = 5065288024404819443L;

         /**

      * @see FieldConversion#javaToSql(Object)

      */

     public Object javaToSql(Object source) {

             String converted = "";

             if ( source != null ) {

                     converted = source.toString();

             }

         try {

             if (KEWServiceLocator.getEncryptionService().isEnabled()) {

                 converted = KEWServiceLocator.getEncryptionService()

                                                 .encrypt(converted);

             }

         } catch (GeneralSecurityException e) {

             throw new RuntimeException("Unable to encrypt value to db: ", e);

         }

         return converted;

     }

     /**

      * @see FieldConversion#sqlToJava(Object)

      */

     public Object sqlToJava(Object source) {

             String converted = "";

         if (source != null) {

             converted = source.toString();

         }

         try {

             if (KEWServiceLocator.getEncryptionService().isEnabled()) {

                 converted = KEWServiceLocator.getEncryptionService()

                                                 .decrypt(converted);

             }

         } catch (GeneralSecurityException e) {

             throw new RuntimeException("Unable to decrypt value from db: ", e);

         }

         return converted;

     }

 }