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1   package org.kuali.student.enrollment.class1.state.impl;
2   
3   import org.kuali.rice.core.api.resourceloader.GlobalResourceLoader;
4   import org.kuali.student.enrollment.courseoffering.dto.ActivityOfferingInfo;
5   import org.kuali.student.enrollment.courseoffering.service.CourseOfferingService;
6   import org.kuali.student.enrollment.examoffering.dto.ExamOfferingInfo;
7   import org.kuali.student.enrollment.examoffering.service.ExamOfferingService;
8   import org.kuali.student.r2.common.dto.ContextInfo;
9   import org.kuali.student.r2.common.dto.StatusInfo;
10  import org.kuali.student.r2.common.exceptions.DoesNotExistException;
11  import org.kuali.student.r2.common.exceptions.InvalidParameterException;
12  import org.kuali.student.r2.common.exceptions.MissingParameterException;
13  import org.kuali.student.r2.common.exceptions.OperationFailedException;
14  import org.kuali.student.r2.common.exceptions.PermissionDeniedException;
15  import org.kuali.student.r2.common.util.constants.CourseOfferingServiceConstants;
16  import org.kuali.student.r2.common.util.constants.ExamOfferingServiceConstants;
17  import org.kuali.student.r2.core.class1.state.service.StateHelper;
18  
19  import javax.xml.namespace.QName;
20  
21  /**
22   * @Version 2.0
23   * @Author Sri komandur@uw.edu
24   */
25  public class EOStateHelperImpl implements StateHelper {
26      ExamOfferingService examOfferingService;
27      public EOStateHelperImpl() {
28      }
29  
30      protected ExamOfferingService getExamOfferingService(){
31          if (examOfferingService == null){
32              examOfferingService = (ExamOfferingService) GlobalResourceLoader.getService(new QName(ExamOfferingServiceConstants.NAMESPACE, ExamOfferingServiceConstants.SERVICE_NAME_LOCAL_PART));
33          }
34          return  examOfferingService;
35      }
36  
37      @Override
38      public StatusInfo updateState(String id, String nextStateKey, ContextInfo contextInfo) {
39          StatusInfo si = null;
40          try {
41              si = getExamOfferingService().changeExamOfferingState(id, nextStateKey, contextInfo);
42              si.setSuccess(true);
43          } catch (Exception e) {
44              si.setSuccess(false);
45          }
46          return si;
47      }
48  
49      @Override
50      public String getStateKey(String entityId, ContextInfo context) throws InvalidParameterException, MissingParameterException, DoesNotExistException, OperationFailedException, PermissionDeniedException {
51          ExamOfferingInfo eo = getExamOfferingService().getExamOffering(entityId, context);
52          return eo.getStateKey();
53      }
54  }