/**

  * Copyright 2010 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.osedu.org/licenses/ECL-2.0

  *

  * 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.student.common.ws.security;

 import javax.xml.ws.WebServiceContext;

 import org.apache.log4j.Logger;

 /**

  * 

  * @author Will Gomes

  *

  */

 public class PrincipalAccessor {

     final static Logger logger = Logger.getLogger(PrincipalAccessor.class);

     public static PrincipalWrapper getPrincipalFromWebServiceContext(WebServiceContext wsContext){

         Class<?> principalWrapperImpl = null;

         PrincipalWrapper principal = null;

         try {

             principalWrapperImpl =  

                 (Class.forName("org.kuali.student.common.cxf.security.PrincipalWrapperImpl"));

         } catch (ClassNotFoundException cnfe){

             try{

                 principalWrapperImpl = 

                     Class.forName("org.kuali.student.common.metro.security.PrincipalWrapperImpl");

             } catch (ClassNotFoundException cnfe2){

                 logger.error("PrincpalWraper implementaion could not be found.");

             }

         } 

         try{

             principal = (PrincipalWrapper)principalWrapperImpl.newInstance();

             principal.setPrincipal(wsContext);

         } catch (Exception e){

             logger.error("Exception occured: ", e);            

         }

         return principal;

     }

 }