package org.kuali.student.enrollment.class2.courseoffering.keyvalue;

 /*

  * Copyright 2007 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.

  */

 import org.kuali.rice.core.api.resourceloader.GlobalResourceLoader;

 import org.kuali.rice.core.api.util.ConcreteKeyValue;

 import org.kuali.rice.core.api.util.KeyValue;

 import org.kuali.rice.krad.keyvalues.KeyValuesBase;

 import org.kuali.student.enrollment.acal.dto.AcademicCalendarInfo;

 import org.kuali.student.enrollment.acal.dto.TermInfo;

 import org.kuali.student.enrollment.acal.service.AcademicCalendarService;

 import org.kuali.student.r2.common.dto.ContextInfo;

 import org.kuali.student.r2.common.exceptions.*;

 import javax.xml.namespace.QName;

 import java.io.Serializable;

 import java.util.ArrayList;

 import java.util.Calendar;

 import java.util.Date;

 import java.util.List;

 public class TermKeyValues extends KeyValuesBase implements Serializable {

     private static final long serialVersionUID = 1L;

     private transient AcademicCalendarService acalService;

     @Override

     public List<KeyValue> getKeyValues() {

         List<AcademicCalendarInfo> acals;

         ContextInfo context = ContextInfo.newInstance();

         List<TermInfo> terms = new ArrayList<TermInfo>();

         try {

             Calendar nowCal = Calendar.getInstance();

             nowCal.setTime(new Date());

             int year = nowCal.get(Calendar.YEAR);

             acals = getAcalService().getAcademicCalendarsByStartYear(year, context);

             for (AcademicCalendarInfo acal : acals) {

                 terms.addAll(getAcalService().getTermsForAcademicCalendar(acal.getKey(), context));

             }

         } catch (DoesNotExistException e) {

             throw new RuntimeException("No Terms found for current AcademicCalendar(s)! There should be some in the database.", e);

         } catch (InvalidParameterException e) {

             throw new RuntimeException(e);

         } catch (MissingParameterException e) {

             throw new RuntimeException(e);

         } catch (OperationFailedException e) {

             throw new RuntimeException(e);

         } catch (PermissionDeniedException e) {

             throw new RuntimeException(e);

         }

         List<KeyValue> keyValues = new ArrayList<KeyValue>();

         for(TermInfo term : terms) {

             keyValues.add(new ConcreteKeyValue(term.getKey(), term.getName()));

         }

         return keyValues;

     }

     protected AcademicCalendarService getAcalService() {

         if(acalService == null) {

             acalService = (AcademicCalendarService) GlobalResourceLoader.getService(new QName("http://student.kuali.org/wsdl/acal", "AcademicCalendarService"));

         }

         return this.acalService;

     }

 }