/**

  * Copyright 2005-2011 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.user;

 import org.kuali.rice.kim.api.identity.Person;

 import org.kuali.rice.kim.api.identity.principal.PrincipalContract;

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

 import org.kuali.rice.kim.api.identity.PersonService;

 import org.kuali.rice.krad.UserSession;

 /**

  * Provides some utility methods for translating user ID types.

  *

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

  */

 public final class UserUtils {

         private static final org.apache.log4j.Logger LOG = org.apache.log4j.Logger.getLogger(UserUtils.class);

         private static PersonService personService;

         private UserUtils() {

                 throw new UnsupportedOperationException("do not call");

         }

         public static String getIdValue(String idType, Person user) {

             if ("workflowId".equalsIgnoreCase(idType) || "w".equalsIgnoreCase(idType) || "principalId".equalsIgnoreCase(idType)) {

               return user.getPrincipalId();

             } else if ("authenticationId".equalsIgnoreCase(idType) || "a".equalsIgnoreCase(idType) || "principalName".equalsIgnoreCase(idType)) {

               return user.getPrincipalName();

             } else if ("emplId".equalsIgnoreCase(idType) || "e".equalsIgnoreCase(idType)) {

               return user.getEmployeeId();

             } else {

               LOG.error("Could not determine ID Value for given id type!" + idType);

             }

             return null;

           }

     public static String getIdValue(String idType, String principalId) {

         if ("workflowId".equalsIgnoreCase(idType) || "w".equalsIgnoreCase(idType) || "principalId".equalsIgnoreCase(idType)) {

             return principalId;

         }

         Person person = KimApiServiceLocator.getPersonService().getPerson(principalId);

         return getIdValue(idType, person);

     }

         public static String getTransposedName(UserSession userSession, PrincipalContract principal) {

                 Person person = getPersonService().getPerson(principal.getPrincipalId());

                 return person.getName(); //contructTransposedName(person);

         }

         /**

          * @return the personService

          */

         public static PersonService getPersonService() {

                 if ( personService == null ) {

                         personService = KimApiServiceLocator.getPersonService();

                 }

                 return personService;

         }

 }