/*
    * Copyright 2012 The Kuali Foundation
    * 
    * Licensed under the Educational Community License, Version 1.0 (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/ecl1.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.student.class3.krms.termresolver;
  
  import java.util.Date;
  import java.util.Map;
  import java.util.Set;
  
  import org.kuali.rice.krms.api.engine.TermResolutionException;
  import org.kuali.student.krms.KRMSConstants;
  import org.kuali.student.r2.core.atp.dto.AtpInfo;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  /**
   *
   * @author Kuali Student Team 
   *
   */
  public class AtpEndDateFieldTermResolver extends AbstractKSTermResolver<Date>  {
      private static final Logger log = LoggerFactory
              .getLogger(AtpEndDateFieldTermResolver.class);
      
      /**
       * @param termName
       */
      public AtpEndDateFieldTermResolver(String termName, String principalId) {
          super(termName, principalId);
      }
      
      
  
  
      @Override
      public Set<String> getPrerequisites() {
          Set<String> prereq = super.getPrerequisites();
          
          prereq.add(KRMSConstants.CURRENT_TERM_ID);
          
          return prereq;
      }
  
  
  
      @Override
      public Date resolve(Map<String, Object> resolvedPrereqs,
              Map<String, String> parameters) throws TermResolutionException {
          
          AtpInfo atp = (AtpInfo) resolvedPrereqs.get(KRMSConstants.CURRENT_TERM_ID);
          
          if (atp == null)
             throw new TermResolutionException("atp undefined for term = " + KRMSConstants.CURRENT_TERM_ID, this, parameters);
          
          return atp.getEndDate();
              
          
      }
  
     
      
  }