/**
    * Copyright 2005-2012 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.StringUtils;
  import org.kuali.rice.kim.api.identity.Person;
  import org.kuali.rice.kim.api.services.KimApiServiceLocator;
  
  import javax.persistence.Entity;
  import javax.persistence.IdClass;
  import javax.persistence.Table;
  import javax.persistence.Transient;
  
  /**
   * 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);
  
          try {
              person = (Person) KimApiServiceLocator.getPersonService().getPersonImplementationClass().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().getPersonByPrincipalName(id);
              setPerson(person);
          }
      }
  
      @Override
      public void setName(String name) {
          super.setName(name);
  
          if (StringUtils.isNotBlank(name) && getId() != null &&
                  ((person != null) && !StringUtils.equals(person.getName(), name))) {
              person = KimApiServiceLocator.getPersonService().getPersonByPrincipalName(getId());
              setPerson(person);
          }
      }
  
      public Person getPerson() {
          if ((person == null) || !StringUtils.equals(person.getPrincipalName(), getId())) {
              person = KimApiServiceLocator.getPersonService().getPersonByPrincipalName(getId());
  
              if (person == null) {
                  try {
                      person = (Person) KimApiServiceLocator.getPersonService().getPersonImplementationClass()
                              .newInstance();
                  } catch (Exception e) {
                      throw new RuntimeException(e);
                  }
              }
          }
  
          return person;
      }
  
      public void setPerson(Person person) {
          this.person = person;
          if (person != null) {
             this.id = person.getPrincipalName();
             this.name = person.getName();
         }
     }
 }