/**
    * 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 org.jdom.Document;
  import org.jdom.Element;
  import org.kuali.rice.core.api.util.xml.XmlHelper;
  import org.kuali.rice.kew.api.identity.Id;
  import org.kuali.rice.kew.api.rule.RoleName;
  import org.kuali.rice.kew.routeheader.DocumentContent;
  import org.kuali.rice.kew.rule.AbstractRoleAttribute;
  import org.kuali.rice.kew.rule.ResolvedQualifiedRole;
  import org.kuali.rice.kew.workgroup.GroupNameId;
  
  import java.util.ArrayList;
  import java.util.Arrays;
  import java.util.Collection;
  import java.util.Iterator;
  import java.util.List;
  
  
  public class ChartOrgDispatchAttribute extends AbstractRoleAttribute {
  
      private static final long serialVersionUID = -9114899910238607996L;
  	public static final String DISPATCH_ROLE = "DISPATCH";
      private String workgroupName;
      
      public ChartOrgDispatchAttribute() {}
      
      public ChartOrgDispatchAttribute(String workgroupName) {
          this.workgroupName = workgroupName;
      }
  
      public List getRoleNames() {
          return Arrays.asList(new RoleName[] { new RoleName(getClass().getName(), DISPATCH_ROLE, DISPATCH_ROLE) });
      }
  
      public List getQualifiedRoleNames(String roleName, DocumentContent documentContent) {
          return parseWorkgroups(documentContent);
      }
  
      public ResolvedQualifiedRole resolveQualifiedRole(RouteContext routeContext, String roleName, String qualifiedRole) {
          List<Id> recipients = new ArrayList<Id>();
          recipients.add(new GroupNameId(qualifiedRole));
          return new ResolvedQualifiedRole(roleName, recipients);
      }
  
      public String getDocContent() {
          return "<"+DISPATCH_ROLE+">"+workgroupName+"</"+DISPATCH_ROLE+">";
      }
      
      private List<String> parseWorkgroups(DocumentContent documentContent) {
          Document document = XmlHelper.buildJDocument(documentContent.getDocument());
          Collection<Element> dispatchElements = XmlHelper.findElements(document.getRootElement(), DISPATCH_ROLE);
          List<String> workgroupNames = new ArrayList<String>();
          for (Iterator<Element> iterator = dispatchElements.iterator(); iterator.hasNext();) {
              Element element = (Element) iterator.next();
              workgroupNames.add(element.getText());
          }
          return workgroupNames;
      }
      
      
      
      
  
  }