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1   package org.kuali.student.r2.lum.course.service.utils;
2   
3   import java.util.ArrayList;
4   import java.util.Collection;
5   import java.util.List;
6   import java.util.Stack;
7   
8   import org.kuali.student.r1.common.dictionary.dto.FieldDefinition;
9   import org.kuali.student.r1.common.dictionary.dto.ObjectStructureDefinition;
10  import org.kuali.student.r2.common.dto.ContextInfo;
11  import org.kuali.student.common.util.MessageUtils;
12  import org.kuali.student.r2.common.dto.ValidationResultInfo;
13  import org.kuali.student.r1.common.validator.BeanConstraintDataProvider;
14  import org.kuali.student.r1.common.validator.ConstraintDataProvider;
15  import org.kuali.student.r2.common.validator.DefaultValidatorImpl;
16  import org.kuali.student.r2.lum.course.dto.CourseRevenueInfo;
17  import org.kuali.student.r2.lum.clu.dto.AffiliatedOrgInfo;
18  
19  public class RevenuePercentValidator extends DefaultValidatorImpl {
20  
21      private static final String COURSE_REVENUE_FIELD = "revenues";
22  
23      @Override
24      public List<ValidationResultInfo> validateObject(Object data, ObjectStructureDefinition objStructure, ContextInfo contextInfo) {
25          // Custom validators are required to only override the other validateObject method
26          return null;
27      }
28  
29      /***
30       * @see org.kuali.student.common.validator.Validator#validateObject(org.kuali.student.common.dictionary.dto.FieldDefinition,
31       *      java.lang.Object, org.kuali.student.common.dictionary.dto.ObjectStructureDefinition, java.util.Stack)
32       */
33      @Override
34      public List<ValidationResultInfo> validateObject(FieldDefinition field, Object data, ObjectStructureDefinition objStructure, Stack<String> elementStack, ContextInfo contextInfo) {
35  
36          List<ValidationResultInfo> results = new ArrayList<ValidationResultInfo>();
37  
38          // Check to see if the validation is called on the right field
39          if (!COURSE_REVENUE_FIELD.equalsIgnoreCase(field.getName())) {
40              throw new RuntimeException("Custom Validator " + this.getClass().getName() + " was not called on the right field: revenues");
41          }
42  
43          ConstraintDataProvider dataProvider = new BeanConstraintDataProvider();
44          dataProvider.initialize(data);
45  
46          // Get revenues data
47          Object revenuesObj = dataProvider.getValue(field.getName());
48  
49          if (!(revenuesObj instanceof Collection)) {
50              throw new RuntimeException("Custom Validator " + this.getClass().getName() + " was not called with right data: CourseRevenueInfo Collection");
51          }
52  
53          long totalOrgPercent = 0l;
54          // Sum all org percents and make sure they add up to 100
55          for (Object o : (Collection<?>) revenuesObj) {
56  
57              if (!(o instanceof CourseRevenueInfo)) {
58                  throw new RuntimeException("Custom Validator " + this.getClass().getName() + " was not called with right data: CourseRevenueInfo");
59              }
60  
61              CourseRevenueInfo courseRevenue = (CourseRevenueInfo) o;
62  
63              if (courseRevenue.getAffiliatedOrgs().size() > 0) {
64                  for (AffiliatedOrgInfo org : courseRevenue.getAffiliatedOrgs()) {
65                      totalOrgPercent += org.getPercentage();
66                  }
67              }
68          }
69  
70          if (((Collection<?>) revenuesObj).size() > 0 && totalOrgPercent != 100l) {
71              ValidationResultInfo valRes = new ValidationResultInfo(getElementXpath(elementStack));
72              valRes.setElement("/revenues");
73              valRes.setError(MessageUtils.interpolate(getMessage("validation.revenueTotal", contextInfo), toMap(field)));
74              results.add(valRes);
75          }
76  
77          return results;
78      }
79  }