Examples of org.apache.commons.beanutils.BeanComparator

org.apache.commons.beanutils.BeanComparator

This comparator compares two beans by the specified bean property. It is also possible to compare beans based on nested, indexed, combined, mapped bean properties. Please see the {@link PropertyUtilsBean} documentation for all property name possibilities.
Note: The BeanComparator passes the values of the specified bean property to a ComparableComparator, if no comparator is specified in the constructor. If you are comparing two beans based on a property that could contain "null" values, a suitable Comparator or ComparatorChain should be supplied in the constructor.
@author Eric Pugh @author Tim O'Brien

        InfoShift infoShift = (InfoShift) request.getAttribute(PresentationConstants.SHIFT);


        List classes = ReadAvailableClassesForShift.run(infoShift.getExternalId());


        if (classes != null && !classes.isEmpty()) {
            Collections.sort(classes, new BeanComparator("nome"));
            request.setAttribute(PresentationConstants.CLASSES, classes);
        }


        return mapping.findForward("ListClasses");
    }

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                    AcademicServiceRequest.EXECUTION_YEAR_AND_OID_COMPARATOR);
        } else if (orderGetter.equals(REGISTRATION_NUMBER) || orderGetter.equals(DESCRIPTION)
                || orderGetter.equals(URGENT_REQUEST) || orderGetter.equals(REGISTRATION_NUMBER)
                || orderGetter.equals(REQUEST_DATE) || orderGetter.equals(ACTIVE_SITUATION_DATE)) {
            final ComparatorChain chain = new ComparatorChain();
            chain.addComparator(orderAsc ? new BeanComparator(orderGetter) : new ReverseComparator(
                    new BeanComparator(orderGetter)));
            chain.addComparator(DomainObjectUtil.COMPARATOR_BY_ID);
            return chain;
        }


        return null;

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        return mapping.findForward("chooseExternalCurricularCourses");
    }


    private Set<ExternalCurricularCourseResultBean> buildExternalCurricularCourseResultBeans(final Unit unit) {
        final Set<ExternalCurricularCourseResultBean> result =
                new TreeSet<ExternalCurricularCourseResultBean>(new BeanComparator("fullName"));
        for (final ExternalCurricularCourse externalCurricularCourse : unit.getAllExternalCurricularCourses()) {
            result.add(new ExternalCurricularCourseResultBean(externalCurricularCourse));
        }
        return result;
    }

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     */
    private void sortList(HttpServletRequest request, List<InfoExecutionCourse> infoExecutionCourses) {
        String sortParameter = request.getParameter("sortBy");
        if ((sortParameter != null) && (sortParameter.length() != 0)) {
            if (sortParameter.equals("occupancy")) {
                Collections.sort(infoExecutionCourses, new ReverseComparator(new BeanComparator(sortParameter)));
            } else {
                Collections.sort(infoExecutionCourses, new BeanComparator(sortParameter));
            }
        } else {
            Collections.sort(infoExecutionCourses, new ReverseComparator(new BeanComparator("occupancy")));
        }
    }

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    }


    private static List<StudentCurricularPlan> getSortedStudentCurricularPlans(final Registration registration) {
        final List<StudentCurricularPlan> result = new ArrayList<StudentCurricularPlan>();
        result.addAll(registration.getStudentCurricularPlansSet());
        Collections.sort(result, new BeanComparator("startDateYearMonthDay"));


        return result;
    }

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        catch (Exception exp) {
            logger.error(exp.getMessage(), exp);
            return null;
        }


        BeanComparator courseName = new BeanComparator("infoCurricularCourse.name");
        BeanComparator executionYear = new BeanComparator("infoExecutionPeriod.infoExecutionYear.year");
        ComparatorChain chainComparator = new ComparatorChain();
        chainComparator.addComparator(courseName);
        chainComparator.addComparator(executionYear);


        Collections.sort(result, chainComparator);

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                    enrolmentsByExecutionPeriod.put(executionSemester, executionPeriodStatisticsBean);
                }
            }
        }
        studentStatistics.addAll(enrolmentsByExecutionPeriod.values());
        Collections.sort(studentStatistics, new BeanComparator("executionPeriod"));


        /* Put all the info in the required JSON format */
        JsonObject curricularInfoJSONObject = new JsonObject();


        JsonArray periodsJSONArray = new JsonArray();

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            addActionMessage("error", request, "error.externalUnits.invalid.unit.name");
        } else {
            searchBean.clearResults();
            searchUnits(searchBean);
            searchExternalCurricularCourses(searchBean);
            Collections.sort(searchBean.getResults(), new BeanComparator("fullName"));
            searchBean.setEarthUnit(UnitUtils.readEarthUnit());
        }


        return mapping.findForward("searchExternalUnits");
    }

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            return mapping.getInputForward();


        } catch (ExistingServiceException e) {
            throw new ExistingActionException(e);
        }
        Collections.sort(curricularCourseList, new BeanComparator("name"));
        request.setAttribute("curricularCourses", curricularCourseList);


        return mapping.findForward("PrepareSuccess");
    }

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            Map<DegreeCurricularPlan, List<Integer>> abstractStudentNumbers) {


        final Spreadsheet spreadsheet = new Spreadsheet("Shifts");


        final List<DegreeCurricularPlan> sorted = new ArrayList<DegreeCurricularPlan>(abstractStudentNumbers.keySet());
        Collections.sort(sorted, new BeanComparator("name"));
        addHeader(spreadsheet, sorted);


        for (final Entry<Shift, Map<DegreeCurricularPlan, Integer>> shiftEntry : calculateStatistics(distribution,
                abstractStudentNumbers).entrySet()) {
            addRow(spreadsheet, shiftEntry, sorted);

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