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.presentationTier.Action.resourceAllocationManager; import java.util.ArrayList; import java.util.Collection; import java.util.Collections; import java.util.Comparator; import java.util.HashMap; import java.util.HashSet; import java.util.List; import java.util.Map; import java.util.Set; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import net.sourceforge.fenixedu.applicationTier.Servico.person.SearchPerson; import net.sourceforge.fenixedu.applicationTier.Servico.person.SearchPerson.SearchParameters; import net.sourceforge.fenixedu.dataTransferObject.resourceAllocationManager.ContextSelectionBean; import net.sourceforge.fenixedu.dataTransferObject.resourceAllocationManager.StudentContextSelectionBean; import net.sourceforge.fenixedu.domain.Degree; import net.sourceforge.fenixedu.domain.DegreeCurricularPlan; import net.sourceforge.fenixedu.domain.ExecutionDegree; import net.sourceforge.fenixedu.domain.ExecutionInterval; import net.sourceforge.fenixedu.domain.ExecutionSemester; import net.sourceforge.fenixedu.domain.ExecutionYear; import net.sourceforge.fenixedu.domain.Person; import net.sourceforge.fenixedu.domain.SchoolClass; import net.sourceforge.fenixedu.domain.Shift; import net.sourceforge.fenixedu.domain.degree.DegreeType; import net.sourceforge.fenixedu.domain.log.FirstYearShiftsCapacityToggleLog; import net.sourceforge.fenixedu.domain.student.Registration; import net.sourceforge.fenixedu.domain.time.calendarStructure.AcademicCalendarEntry; import net.sourceforge.fenixedu.domain.time.calendarStructure.AcademicCalendarRootEntry; import net.sourceforge.fenixedu.domain.time.calendarStructure.AcademicInterval; import net.sourceforge.fenixedu.domain.time.calendarStructure.AcademicYearCE; import net.sourceforge.fenixedu.presentationTier.Action.base.FenixContextDispatchAction; import net.sourceforge.fenixedu.presentationTier.Action.externalSupervision.consult.ShowStudentTimeTable; import net.sourceforge.fenixedu.presentationTier.Action.resourceAllocationManager.RAMApplication.RAMSchedulesApp; import net.sourceforge.fenixedu.presentationTier.Action.resourceAllocationManager.utils.PresentationConstants; import org.apache.commons.lang.StringUtils; import org.apache.struts.action.ActionForm; import org.apache.struts.action.ActionForward; import org.apache.struts.action.ActionMapping; import org.fenixedu.bennu.core.security.Authenticate; import org.fenixedu.bennu.portal.EntryPoint; import org.fenixedu.bennu.portal.StrutsFunctionality; import pt.ist.fenixWebFramework.struts.annotations.Forward; import pt.ist.fenixWebFramework.struts.annotations.Forwards; import pt.ist.fenixWebFramework.struts.annotations.Mapping; import pt.ist.fenixframework.Atomic; import pt.utl.ist.fenix.tools.util.CollectionPager; /** * @author Luis Cruz & Sara Ribeiro */ @StrutsFunctionality(app = RAMSchedulesApp.class, path = "manage", titleKey = "link.schedules.chooseContext") @Mapping(path = "/chooseExecutionPeriod", module = "resourceAllocationManager") @Forwards({ @Forward(name = "toggleFirstYearShiftsCapacity", path = "/resourceAllocationManager/toggleFirstYearShiftsCapacity_bd.jsp"), @Forward(name = "showForm", path = "/resourceAllocationManager/chooseExecutionPeriod_bd.jsp"), @Forward(name = "showTimeTable", path = "/resourceAllocationManager/showTimetable.jsp") }) public class ExecutionPeriodDA extends FenixContextDispatchAction { static private final Integer FIRST_CURRICULAR_YEAR = Integer.valueOf(1); private static final Comparator<ExecutionDegree> executionDegreeComparator = new Comparator<ExecutionDegree>() { @Override public int compare(ExecutionDegree executionDegree1, ExecutionDegree executionDegree2) { final Degree degree1 = executionDegree1.getDegreeCurricularPlan().getDegree(); final Degree degree2 = executionDegree2.getDegreeCurricularPlan().getDegree(); int degreeTypeComparison = degree1.getDegreeType().compareTo(degree2.getDegreeType()); return (degreeTypeComparison != 0) ? degreeTypeComparison : degree1.getNome().compareTo(degree2.getNome()); } }; public ActionForward choose(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception { return prepare(mapping, form, request, response); } @EntryPoint public ActionForward prepare(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception { ContextSelectionBean contextSelectionBean = (ContextSelectionBean) request .getAttribute(PresentationConstants.CONTEXT_SELECTION_BEAN); final StudentContextSelectionBean studentContextSelectionBean = new StudentContextSelectionBean( contextSelectionBean.getAcademicInterval()); request.setAttribute("studentContextSelectionBean", studentContextSelectionBean); final List<ExecutionDegree> executionDegrees = new ArrayList<ExecutionDegree>( ExecutionDegree.filterByAcademicInterval(contextSelectionBean.getAcademicInterval())); Collections.sort(executionDegrees, executionDegreeComparator); request.setAttribute("executionDegrees", executionDegrees); ExecutionSemester executionSemester = (ExecutionSemester) ExecutionInterval .getExecutionInterval(contextSelectionBean.getAcademicInterval()); request.setAttribute("executionSemester", executionSemester); AcademicCalendarEntry academicCalendarEntry = contextSelectionBean.getAcademicInterval() .getAcademicCalendarEntry(); while (!(academicCalendarEntry instanceof AcademicCalendarRootEntry)) { if (academicCalendarEntry instanceof AcademicYearCE) { ExecutionYear year = ExecutionYear.getExecutionYear((AcademicYearCE) academicCalendarEntry); request.setAttribute("executionYear", year); break; } else { academicCalendarEntry = academicCalendarEntry.getParentEntry(); } } if (!executionSemester.isCurrent()) { request.setAttribute("noEditionAllowed", true); } return mapping.findForward("showForm"); } public ActionForward chooseStudent(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception { final StudentContextSelectionBean studentContextSelectionBean = getRenderedObject(); final String number = studentContextSelectionBean.getNumber(); if (number != null && !number.isEmpty()) { final AcademicInterval academicInterval = studentContextSelectionBean.getAcademicInterval(); final ExecutionInterval executionInterval = ExecutionInterval.getExecutionInterval(academicInterval); final SearchParameters searchParameters = new SearchParameters(); if (StringUtils.isNumeric(number)) { searchParameters.setStudentNumber(Integer.valueOf(number)); } else { searchParameters.setUsername(number); } final CollectionPager<Person> people = new SearchPerson().run(searchParameters, new SearchPerson.SearchPersonPredicate(searchParameters)); final Collection<Registration> registrations = new ArrayList<Registration>(); for (final Person person : people.getCollection()) { if (person.getStudent() != null) { for (final Registration registration : person.getStudent().getRegistrationsSet()) { if (registration.hasAnyActiveState((ExecutionSemester) executionInterval)) { registrations.add(registration); } } } } if (studentContextSelectionBean.getToEdit()) { request.setAttribute("toEditScheduleRegistrations", registrations); } else { request.setAttribute("registrations", registrations); request.setAttribute("timeTableExecutionSemester", executionInterval); } } return prepare(mapping, form, request, response); } public ActionForward chooseStudentById(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception { final Registration registration = getDomainObject(request, "registrationId"); final ExecutionSemester executionSemester = getDomainObject(request, "executionSemesterId"); request.setAttribute("registration", registration); return new ShowStudentTimeTable().forwardToShowTimeTable(registration, mapping, request, executionSemester); } public ActionForward toggleFirstYearShiftsCapacity(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception { request.setAttribute("executionYear", getDomainObject(request, "executionYearId")); return mapping.findForward("toggleFirstYearShiftsCapacity"); } public ActionForward blockFirstYearShiftsCapacity(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception { final ExecutionYear executionYear = getDomainObject(request, "executionYearId"); Map<ExecutionDegree, Integer> modified = setFirstYearShiftsCapacity(true, executionYear); request.setAttribute("affectedDegrees", getAffectedDegreesInfo(modified)); request.setAttribute("executionYear", executionYear); return mapping.findForward("toggleFirstYearShiftsCapacity"); } public ActionForward unblockFirstYearShiftsCapacity(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception { final ExecutionYear executionYear = getDomainObject(request, "executionYearId"); Map<ExecutionDegree, Integer> modified = setFirstYearShiftsCapacity(false, executionYear); request.setAttribute("affectedDegrees", getAffectedDegreesInfo(modified)); request.setAttribute("executionYear", executionYear); return mapping.findForward("toggleFirstYearShiftsCapacity"); } private List<String> getAffectedDegreesInfo(Map<ExecutionDegree, Integer> modified) { List<String> modifiedDescription = new ArrayList<String>(); for (Map.Entry<ExecutionDegree, Integer> entry : modified.entrySet()) { modifiedDescription.add(new String(entry.getKey().getPresentationName() + " : " + entry.getValue())); } Collections.sort(modifiedDescription); return modifiedDescription; } @Atomic private Map<ExecutionDegree, Integer> setFirstYearShiftsCapacity(Boolean toBlock, ExecutionYear executionYear) { final ExecutionSemester executionSemester = executionYear.getFirstExecutionPeriod(); final Map<Shift, Set<ExecutionDegree>> shiftsDegrees = new HashMap<Shift, Set<ExecutionDegree>>(); final Set<Shift> shifts = new HashSet<Shift>(); final Map<ExecutionDegree, Integer> modified = new HashMap<ExecutionDegree, Integer>(); for (final Degree degree : Degree.readAllByDegreeType(DegreeType.BOLONHA_DEGREE, DegreeType.BOLONHA_INTEGRATED_MASTER_DEGREE)) { for (final DegreeCurricularPlan degreeCurricularPlan : degree.getActiveDegreeCurricularPlans()) { final ExecutionDegree executionDegree = degreeCurricularPlan.getExecutionDegreeByAcademicInterval( executionSemester.getExecutionYear().getAcademicInterval()); if (executionDegree != null) { for (final SchoolClass schoolClass : executionDegree.getSchoolClassesSet()) { if (schoolClass.getAnoCurricular().equals(FIRST_CURRICULAR_YEAR) && schoolClass.getExecutionPeriod() == executionSemester) { for (final Shift shift : schoolClass.getAssociatedShiftsSet()) { Set<ExecutionDegree> executionDegrees = shiftsDegrees.get(shift); if (executionDegrees == null) { executionDegrees = new HashSet<ExecutionDegree>(); } executionDegrees.add(executionDegree); shiftsDegrees.put(shift, executionDegrees); shifts.add(shift); } } } } } } for (final Shift shift : shifts) { int capacity = shift.getLotacao().intValue(); if (toBlock && capacity > 0) { shift.setLotacao(capacity * -1); } else if (!toBlock && capacity < 0) { shift.setLotacao(capacity * -1); } else { continue; } for (ExecutionDegree executionDegree : shiftsDegrees.get(shift)) { if (modified.containsKey(executionDegree)) { modified.put(executionDegree, modified.get(executionDegree) + 1); } else { modified.put(executionDegree, 1); } } } if (modified.size() > 0) { new FirstYearShiftsCapacityToggleLog(executionYear.getFirstExecutionPeriod(), Authenticate.getUser().getPerson().getUser()); } return modified; } }