Java tutorial
/** * Copyright 2002 Instituto Superior Tcnico * * This file is part of FenixEdu Core. * * FenixEdu Core is free software: you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * FenixEdu Core is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public License * along with FenixEdu Core. If not, see <http://www.gnu.org/licenses/>. */ package net.sourceforge.fenixedu.domain.mobility.outbound; import java.math.BigDecimal; import java.util.Collections; import java.util.HashSet; import java.util.Set; import java.util.SortedSet; import java.util.TreeSet; import net.sourceforge.fenixedu.domain.Country; import net.sourceforge.fenixedu.domain.Degree; import net.sourceforge.fenixedu.domain.ExecutionDegree; import net.sourceforge.fenixedu.domain.Person; import net.sourceforge.fenixedu.domain.StudentCurricularPlan; import net.sourceforge.fenixedu.domain.candidacyProcess.mobility.MobilityAgreement; import net.sourceforge.fenixedu.domain.degreeStructure.CycleType; import net.sourceforge.fenixedu.domain.exceptions.DomainException; import net.sourceforge.fenixedu.domain.mobility.outbound.OutboundMobilityCandidacySubmission.Calculator; import net.sourceforge.fenixedu.domain.organizationalStructure.UniversityUnit; import net.sourceforge.fenixedu.domain.student.Registration; import net.sourceforge.fenixedu.domain.student.curriculum.ICurriculum; import net.sourceforge.fenixedu.util.Bundle; import org.apache.commons.collections.CollectionUtils; import org.fenixedu.bennu.core.domain.Bennu; import org.fenixedu.bennu.core.i18n.BundleUtil; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import pt.ist.fenixframework.Atomic; import pt.utl.ist.fenix.tools.util.excel.Spreadsheet; import pt.utl.ist.fenix.tools.util.excel.Spreadsheet.Row; public class OutboundMobilityCandidacyContestGroup extends OutboundMobilityCandidacyContestGroup_Base implements Comparable<OutboundMobilityCandidacyContestGroup> { private static final Logger logger = LoggerFactory.getLogger(OutboundMobilityCandidacyContestGroup.class); public OutboundMobilityCandidacyContestGroup(final OutboundMobilityCandidacyContest contest, final Set<ExecutionDegree> executionDegrees) { if (contest == null) { throw new NullPointerException("error.OutboundMobilityCandidacyContestGroup.must.have.contest"); } if (executionDegrees.isEmpty()) { throw new NullPointerException( "error.OutboundMobilityCandidacyContestGroup.must.have.execution.degree"); } setRootDomainObject(Bennu.getInstance()); addOutboundMobilityCandidacyContest(contest); getExecutionDegreeSet().addAll(executionDegrees); // TODO : This is a hack due to a bug in the consistency predicate or fenix-framework code. // When the relation is initialized but never traversed, the consistency predicate always // fails. Forcing a traversal will resolve this issue. The bug has already been solved in // the framework, but the framework has not yet been updated on this project. getOutboundMobilityCandidacyContestSet().size(); getExecutionDegreeSet().size(); } public OutboundMobilityCandidacyContestGroup(final Set<ExecutionDegree> executionDegrees) { if (executionDegrees.isEmpty()) { throw new NullPointerException( "error.OutboundMobilityCandidacyContestGroup.must.have.execution.degree"); } setRootDomainObject(Bennu.getInstance()); getExecutionDegreeSet().addAll(executionDegrees); // TODO : This is a hack due to a bug in the consistency predicate or fenix-framework code. // When the relation is initialized but never traversed, the consistency predicate always // fails. Forcing a traversal will resolve this issue. The bug has already been solved in // the framework, but the framework has not yet been updated on this project. getOutboundMobilityCandidacyContestSet().size(); getExecutionDegreeSet().size(); } @Override public int compareTo(final OutboundMobilityCandidacyContestGroup o) { final int dc = getDescription().compareTo(o.getDescription()); return dc == 0 ? getExternalId().compareTo(o.getExternalId()) : dc; } public String getDescription() { final StringBuilder builder = new StringBuilder(); for (final ExecutionDegree executionDegree : getSortedExecutionDegrees()) { if (builder.length() > 0) { builder.append(", "); } builder.append(executionDegree.getDegree().getSigla()); } return builder.toString(); } public SortedSet<ExecutionDegree> getSortedExecutionDegrees() { final SortedSet<ExecutionDegree> result = new TreeSet<ExecutionDegree>( ExecutionDegree.COMPARATOR_BY_DEGREE_CODE); result.addAll(getExecutionDegreeSet()); return result; } @Atomic public void addExecutionDegreeService(final ExecutionDegree executionDegree) { addExecutionDegree(executionDegree); } @Atomic public void removeExecutionDegreeService(final ExecutionDegree executionDegree) { removeExecutionDegree(executionDegree); } @Atomic public void addMobilityCoordinatorService(final Person person) { addMobilityCoordinator(person); } @Atomic public void removeMobilityCoordinatorService(final Person person) { removeMobilityCoordinator(person); } public static OutboundMobilityCandidacyContestGroup findOrCreateGroup(final ExecutionDegree executionDegree) { for (final OutboundMobilityCandidacyContestGroup mobilityGroup : executionDegree .getOutboundMobilityCandidacyContestGroupSet()) { if (mobilityGroup.getExecutionDegreeSet().size() == 1) { return mobilityGroup; } } return new OutboundMobilityCandidacyContestGroup(Collections.singleton(executionDegree)); } public void delete() { getExecutionDegreeSet().clear(); getMobilityCoordinatorSet().clear(); for (final OutboundMobilityCandidacyContest contest : getOutboundMobilityCandidacyContestSet()) { contest.delete(); } setRootDomainObject(null); deleteDomainObject(); } public boolean handles(final Degree degree) { for (final ExecutionDegree executionDegree : getExecutionDegreeSet()) { if (executionDegree.getDegree() == degree) { return true; } } return false; } public Spreadsheet getCandidatesInformationSpreadSheet(final OutboundMobilityCandidacyPeriod period) { final String filename = BundleUtil.getString(Bundle.ACADEMIC, "label.mobility.candidates.information.filename"); final Spreadsheet spreadsheetCurricularInfo = new Spreadsheet(filename); final Spreadsheet spreadsheetOptions = spreadsheetCurricularInfo .addSpreadsheet(BundleUtil.getString(Bundle.ACADEMIC, "label.mobility.candidates.options")); final Spreadsheet spreadsheetContactInformation = spreadsheetOptions .addSpreadsheet(BundleUtil.getString(Bundle.ACADEMIC, "label.contact.information")); final Spreadsheet spreadsheetOtherCurricularInfo = spreadsheetOptions .addSpreadsheet(BundleUtil.getString(Bundle.ACADEMIC, "label.other.curricular.info")); final Set<Registration> processed = new HashSet<Registration>(); for (final OutboundMobilityCandidacyContest contest : getOutboundMobilityCandidacyContestSet()) { for (final OutboundMobilityCandidacy candidacy : contest.getOutboundMobilityCandidacySet()) { final OutboundMobilityCandidacySubmission submission = candidacy .getOutboundMobilityCandidacySubmission(); final Registration registration = submission.getRegistration(); final Calculator calculator = new Calculator(registration.getStudent()); if (!processed.contains(registration)) { final Person person = registration.getPerson(); final Row row = spreadsheetCurricularInfo.addRow(); final BigDecimal candidacyGrade = submission.getGrade(this); // final ICurriculum curriculum = registration.getCurriculum(); row.setCell(getString("label.username"), person.getUsername()); row.setCell(getString("label.name"), person.getName()); row.setCell(getString("label.degree"), registration.getDegree().getSigla()); row.setCell(getString("label.candidate.classification"), candidacyGrade == null ? "" : candidacyGrade.toString()); row.setCell(getString("label.ects.first.cycle"), calculator.completedECTSCycle1.toString()); row.setCell(getString("label.ects.average"), calculator.getEctsAverage().toString()); row.setCell(getString("label.ects.average.first.and.second.cycle"), calculator.getEctsEverateFirstAndSecondCycle().toString()); row.setCell(getString("label.ects.completed"), calculator.completedECTS.toString()); //row.setCell(getString("label.ects.pending"), calculator.getPendingEcts().toString()); row.setCell(getString("label.ects.enrolled"), calculator.enrolledECTS.toString()); for (final Registration otherRegistration : registration.getStudent().getRegistrationsSet()) { final Row rowOCI = spreadsheetOtherCurricularInfo.addRow(); final ICurriculum curriculumOther = otherRegistration.getCurriculum(); rowOCI.setCell(getString("label.username"), person.getUsername()); rowOCI.setCell(getString("label.name"), person.getName()); rowOCI.setCell(getString("label.degree"), otherRegistration.getDegree().getSigla()); rowOCI.setCell(getString("label.curricular.year"), curriculumOther.getCurricularYear()); rowOCI.setCell(getString("label.ects.completed.degree"), curriculumOther.getSumEctsCredits().toString()); rowOCI.setCell(getString("label.average.degree"), curriculumOther.getAverage().toString()); fillCycleDetails(rowOCI, CycleType.FIRST_CYCLE, otherRegistration, getString("label.ects.completed.cycle.first"), getString("label.average.cycle.first")); fillCycleDetails(rowOCI, CycleType.SECOND_CYCLE, otherRegistration, getString("label.ects.completed.cycle.second"), getString("label.average.cycle.second")); } for (final OutboundMobilityCandidacy c : submission.getSortedOutboundMobilityCandidacySet()) { final OutboundMobilityCandidacyContest contestFromCandidacy = c .getOutboundMobilityCandidacyContest(); final MobilityAgreement mobilityAgreement = contestFromCandidacy.getMobilityAgreement(); final UniversityUnit unit = mobilityAgreement.getUniversityUnit(); final Country country = unit.getCountry(); final Row row2 = spreadsheetOptions.addRow(); row2.setCell(getString("label.username"), person.getUsername()); row2.setCell(getString("label.preference.order"), c.getPreferenceOrder()); row2.setCell(getString("label.degrees"), contestFromCandidacy.getOutboundMobilityCandidacyContestGroup().getDescription()); row2.setCell(getString("label.mobility.program"), mobilityAgreement.getMobilityProgram() .getRegistrationProtocol().getDescription().getContent()); row2.setCell(getString("label.country"), country == null ? "" : country.getName()); row2.setCell(getString("label.university"), unit.getPresentationName()); } final Row contactRow = spreadsheetContactInformation.addRow(); contactRow.setCell(getString("label.username"), person.getUsername()); contactRow.setCell(getString("label.name"), person.getName()); contactRow.setCell(getString("label.email"), person.getEmailForSendingEmails()); contactRow.setCell(getString("label.phone"), person.getDefaultPhoneNumber()); contactRow.setCell(getString("label.mobile"), person.getDefaultMobilePhoneNumber()); processed.add(registration); } } } return spreadsheetCurricularInfo; } public void fillCandidateOptions(Spreadsheet spreadsheet, OutboundMobilityCandidacyPeriod period) { } void fillCycleDetails(final Row row, final CycleType cycleType, final Registration registration, final String header1, final String header2) { if (isForCycle(cycleType, registration)) { ICurriculum curriculum = registration.getCurriculum(cycleType); row.setCell(header1, curriculum.getSumEctsCredits().toString()); row.setCell(header2, curriculum.getAverage().toString()); } else { row.setCell(header1, ""); row.setCell(header2, ""); } } private boolean isForCycle(final CycleType cycleType, final Registration registration) { for (final StudentCurricularPlan studentCurricularPlan : registration.getStudentCurricularPlansSet()) { if (studentCurricularPlan.getCycle(cycleType) != null) { return true; } } return false; } private String getString(final String key) { return BundleUtil.getString(Bundle.ACADEMIC, key); } @Atomic public void setGrades(final OutboundMobilityCandidacyPeriod candidacyPeriod, final String contents) { final StringBuilder problems = new StringBuilder(); int l = 0; for (final String line : contents.split("\r?\n")) { l++; final String[] parts = line.split("\t"); final Person person = Person.findByUsername(parts[0]); if (person == null) { // truncate to avoid long lines while printing code for username from an invalid file (xls) problems.append(getMessage("error.mobility.outbound.username.not.valid.on.line", truncateDots(parts[0], 12), Integer.toString(l))); problems.append("; "); continue; } try { final BigDecimal grade = new BigDecimal(parts[1]); final OutboundMobilityCandidacySubmission submission = candidacyPeriod.findSubmissionFor(person); submission.setGrade(this, grade); } catch (final NumberFormatException ex) { // truncate to avoid long lines while printing code for grade from an invalid file (xls) problems.append(getMessage("error.mobility.outbound.invalid.grade.on.one", truncateDots(parts[1], 4), Integer.toString(l))); problems.append("; "); } catch (final ArrayIndexOutOfBoundsException ex) { problems.append(getMessage("error.mobility.outbound.invalid.format.on.line", Integer.toString(l))); problems.append("."); break; } } if (problems.length() > 0) { throw new DomainException("error.mobility.outbound.unable.to.set.grades", problems.toString()); } } private String getMessage(final String key, final String... args) { return BundleUtil.getString(Bundle.ACADEMIC, key, args); } // truncate string and add (...) if it is longer than length private String truncateDots(String stringToTruncate, int length) { return (stringToTruncate.length() > length) ? (stringToTruncate.substring(0, length) + "(...)") : stringToTruncate; } public boolean areAllStudentsGraded(final OutboundMobilityCandidacyPeriod period) { for (final OutboundMobilityCandidacyContest contest : getOutboundMobilityCandidacyContestSet()) { for (final OutboundMobilityCandidacy candidacy : contest.getOutboundMobilityCandidacySet()) { final OutboundMobilityCandidacySubmission submission = candidacy .getOutboundMobilityCandidacySubmission(); if (submission.getOutboundMobilityCandidacyPeriod() == period && !hasGrade(submission)) { return false; } } } return true; } private boolean hasGrade(final OutboundMobilityCandidacySubmission submission) { for (final OutboundMobilityCandidacySubmissionGrade grade : submission .getOutboundMobilityCandidacySubmissionGradeSet()) { if (grade.getOutboundMobilityCandidacyContestGroup() == this) { return true; } } return false; } public boolean isCandidacySelectionConcluded(final OutboundMobilityCandidacyPeriod period) { return getConcludedCandidateSelectionForPeriodSet().contains(period); } public boolean isCandidateNotificationConcluded(final OutboundMobilityCandidacyPeriod period) { return getCandidatesNotifiedOfSelectionResultsForPeriodSet().contains(period); } public boolean areCandidatesNotofiedOfSelectionResults(final OutboundMobilityCandidacyPeriod period) { return getCandidatesNotifiedOfSelectionResultsForPeriodSet().contains(period); } public boolean haveAllCandidatesConfirmed(final OutboundMobilityCandidacyPeriod period) { for (final OutboundMobilityCandidacyContest contest : getOutboundMobilityCandidacyContestSet()) { for (final OutboundMobilityCandidacy candidacy : contest.getOutboundMobilityCandidacySet()) { final OutboundMobilityCandidacySubmission submission = candidacy .getSubmissionFromSelectedCandidacy(); if (submission != null) { if (!submission.hasConfirmedPlacement()) { return false; } } } } return true; } @Atomic public void selectCandidates(final OutboundMobilityCandidacyPeriod period) { for (final OutboundMobilityCandidacyContest contest : getOutboundMobilityCandidacyContestSet()) { if (contest.getOutboundMobilityCandidacyPeriod() == period) { for (final OutboundMobilityCandidacy candidacy : contest.getOutboundMobilityCandidacySet()) { final OutboundMobilityCandidacySubmission submission = candidacy .getSubmissionFromSelectedCandidacy(); if (submission != null) { candidacy.unselect(); } } } } final SortedSet<OutboundMobilityCandidacySubmissionGrade> grades = new TreeSet<OutboundMobilityCandidacySubmissionGrade>(); collectGradesForGroup(grades, period); for (final OutboundMobilityCandidacyContestGroup otherGroup : getRootDomainObject() .getOutboundMobilityCandidacyContestGroupSet()) { if (otherGroup != this && intersect(otherGroup)) { otherGroup.collectGradesForGroup(grades, period); } } for (final OutboundMobilityCandidacySubmissionGrade submissionGrade : grades) { logger.info("Selecting for: " + submissionGrade.getOutboundMobilityCandidacySubmission() .getRegistration().getPerson().getUsername()); final BigDecimal grade = submissionGrade.getGrade(); if (grade.signum() == 1) { submissionGrade.getOutboundMobilityCandidacySubmission().select(); } } } private void unselectCandidates(final OutboundMobilityCandidacyPeriod period) { for (final OutboundMobilityCandidacyContest contest : getOutboundMobilityCandidacyContestSet()) { if (contest.getOutboundMobilityCandidacyPeriod() == period) { for (final OutboundMobilityCandidacy candidacy : contest.getOutboundMobilityCandidacySet()) { final OutboundMobilityCandidacySubmission submission = candidacy .getSubmissionFromSelectedCandidacy(); if (submission != null) { candidacy.unselect(); } } } } } private boolean intersect(final OutboundMobilityCandidacyContestGroup otherGroup) { return CollectionUtils.containsAny(getExecutionDegreeSet(), otherGroup.getExecutionDegreeSet()); } private void collectGradesForGroup(final SortedSet<OutboundMobilityCandidacySubmissionGrade> grades, final OutboundMobilityCandidacyPeriod period) { for (final OutboundMobilityCandidacySubmissionGrade submissionGrade : getOutboundMobilityCandidacySubmissionGradeSet()) { final OutboundMobilityCandidacySubmission submission = submissionGrade .getOutboundMobilityCandidacySubmission(); if (submission.getOutboundMobilityCandidacyPeriod() == period) { grades.add(submissionGrade); } } } @Atomic public void concludeCandidateSelection(final OutboundMobilityCandidacyPeriod period) { addConcludedCandidateSelectionForPeriod(period); } @Atomic public void revertConcludeCandidateSelection(final OutboundMobilityCandidacyPeriod period) { removeConcludedCandidateSelectionForPeriod(period); } @Atomic public void concludeCandidateNotification(final OutboundMobilityCandidacyPeriod period) { addCandidatesNotifiedOfSelectionResultsForPeriod(period); } @Atomic public void revertConcludeCandidateNotification(final OutboundMobilityCandidacyPeriod period) { removeCandidatesNotifiedOfSelectionResultsForPeriod(period); } }