/*

  * Copyright 2006-2007 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.krad.bo;

 import org.apache.commons.lang.ObjectUtils;

 import org.kuali.rice.kim.api.services.KimApiServiceLocator;

 import org.kuali.rice.kim.bo.Person;

 import javax.persistence.Entity;

 import javax.persistence.IdClass;

 import javax.persistence.Table;

 import javax.persistence.Transient;

 import org.apache.commons.lang.StringUtils;

 import org.kuali.rice.kim.api.services.KimApiServiceLocator;

 import org.kuali.rice.kim.bo.Person;

 /**

  * Ad Hoc Route Person Business Object

  *

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

  */

 @IdClass(AdHocRoutePersonId.class)

 @Entity

 @Table(name = "KRNS_ADHOC_RTE_ACTN_RECIP_T")

 public class AdHocRoutePerson extends AdHocRouteRecipient {

     private static final long serialVersionUID = 1L;

     @Transient

     private transient Person person;

     public AdHocRoutePerson() {

         setType(PERSON_TYPE);

         // TODO: need some way of handling types that cannot be instantiated due to module dependencies

         try {

             person = (Person) Class.forName("org.kuali.rice.kim.bo.impl.PersonImpl").newInstance();

         } catch (Exception e) {

             throw new RuntimeException(e);

         }

     }

     @Override

     public void setType(Integer type) {

         if (!PERSON_TYPE.equals(type)) {

             throw new IllegalArgumentException("cannot change type to " + type);

         }

         super.setType(type);

     }

     @Override

     public void setId(String id) {

         super.setId(id);

         if (StringUtils.isNotBlank(id)) {

             person = KimApiServiceLocator.getPersonService().getPerson(id);

             setPerson(person);

         }

     }

     @Override

     public void setName(String name) {

         super.setName(name);

         if (StringUtils.isNotBlank(name) &&

                 !((person != null) && StringUtils.equals(person.getPrincipalName(), name))) {

             person = KimApiServiceLocator.getPersonService().getPersonByPrincipalName(name);

             setPerson(person);

         }

     }

     public Person getPerson() {

         if ((person == null) || !StringUtils.equals(person.getPrincipalId(), getId())) {

             person = KimApiServiceLocator.getPersonService().getPerson(getId());

             if (person == null) {

                 try {

                     person = (Person) Class.forName("org.kuali.rice.kim.bo.impl.PersonImpl").newInstance();

                 } catch (Exception e) {

                     throw new RuntimeException(e);

                 }

             }

         }

         return person;

     }

     public void setPerson(Person person) {

         this.person = person;

         this.id = person.getPrincipalId();

         this.name = person.getPrincipalName();

     }

 }