/*

  * Copyright 2005-2008 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 org.apache.commons.lang.StringUtils;

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

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

 import org.kuali.rice.kew.identity.IdentityType;

 /**

  *

  * @author Kuali Rice Team (rice.collab@kuali.org)

  */

 public class IdentityTypeConversion implements FieldConversion {

         public Object javaToSql(Object object) throws ConversionException {

                 if (object instanceof IdentityType) {

                         return ((IdentityType)object).getCode();

                 }

                 return object;

         }

         public Object sqlToJava(Object object) throws ConversionException {

                 if (object == null) {

                         return null;

                 }

                 if (object instanceof String) {

                         String code = (String)object;

                         if (StringUtils.isBlank(code)) {

                                 return null;

                         }

                         IdentityType type = IdentityType.fromCode(code);

                         if (type == null) {

                                 throw new ConversionException("Could not convert from code '" + code + "' to IdentityType.");

                         }

                         return type;

                 }

                 throw new ConversionException("Invalid incoming object type for conversion to IdentityType: " + object.getClass());

         }

 }