/**

  * 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.rule;

 /**

  * Helper class that encapsulates a qualified rolename, and can encode and decode to String representation.

  * 

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

  */

 public class QualifiedRoleName {

     private final String baseRoleName;

     private final String qualifier;

     public QualifiedRoleName(String baseRoleName) {

         this(baseRoleName, null);

     }

     public QualifiedRoleName(String baseRoleName, String qualifier) {

         this.baseRoleName = baseRoleName;

         this.qualifier = qualifier;

     }

     public String getBaseRoleName() {

         return baseRoleName;

     }

     public String getQualifier() {

         return qualifier;

     }

     public String encode() {

         if (qualifier == null) {

             return baseRoleName;

         } else {

             return baseRoleName + '\0' + qualifier;

         }

     }

     public static QualifiedRoleName parse(String qualifiedRoleName) {

         String[] parts = qualifiedRoleName.split("\0", 2);

         return new QualifiedRoleName(parts[0], parts.length > 1 ? parts[1] : null);

     }

     public String toString() {

         return "[QualifiedRoleName: baseRoleName=" + baseRoleName +

                                  ", qualifier=" + qualifier + "]";

     }

 }