/**
    * 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.engine;
  
  import java.util.ArrayList;
  import java.util.List;
  
  import org.kuali.rice.kew.api.identity.Id;
  import org.kuali.rice.kew.api.identity.PrincipalName;
  import org.kuali.rice.kew.engine.node.NodeState;
  import org.kuali.rice.kew.routeheader.DocumentContent;
  import org.kuali.rice.kew.rule.AbstractRoleAttribute;
  import org.kuali.rice.kew.rule.ResolvedQualifiedRole;
  
  
  public class DynamicSubRoleAttribute extends AbstractRoleAttribute {
  
      private static final long serialVersionUID = 5147874690575620616L;
  	private List<String> roleNames = new ArrayList<String>();
      
      public DynamicSubRoleAttribute() {
          roleNames.add("DynamicSub");
      }
  
      public List getRoleNames() {
          return roleNames;
      }
  
      public List getQualifiedRoleNames(String roleName, DocumentContent documentContent) {
          List<String> qualifiedRoleNames = new ArrayList<String>();
          qualifiedRoleNames.add(roleName);
          return qualifiedRoleNames;
      }
  
      public ResolvedQualifiedRole resolveQualifiedRole(RouteContext routeContext, String roleName, String qualifiedRole) {
          NodeState nodeState = routeContext.getNodeInstance().getNodeState("role");
          if (nodeState == null) {
              return new ResolvedQualifiedRole();
          }
          String networkId = nodeState.getValue();
          String label = "role " + networkId;
          List<Id> recipients = new ArrayList<Id>();
          recipients.add(new PrincipalName(networkId));
          return new ResolvedQualifiedRole(label, recipients);
      }   
  }