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.administrativeOffice.student; import java.util.ArrayList; import java.util.Collections; import java.util.List; import java.util.SortedMap; import java.util.SortedSet; import java.util.TreeMap; import java.util.TreeSet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import net.sourceforge.fenixedu.applicationTier.Servico.administrativeOffice.student.RegistrationConclusionProcess; import net.sourceforge.fenixedu.applicationTier.Servico.enrollment.shift.WriteStudentAttendingCourse; import net.sourceforge.fenixedu.applicationTier.Servico.registration.DeleteRegistrationRegime; import net.sourceforge.fenixedu.dataTransferObject.AddAttendsBean; import net.sourceforge.fenixedu.dataTransferObject.student.RegistrationConclusionBean; import net.sourceforge.fenixedu.dataTransferObject.student.RegistrationCurriculumBean; import net.sourceforge.fenixedu.domain.Attends; import net.sourceforge.fenixedu.domain.Degree; import net.sourceforge.fenixedu.domain.DegreeCurricularPlan; import net.sourceforge.fenixedu.domain.ExecutionCourse; import net.sourceforge.fenixedu.domain.ExecutionDegree; import net.sourceforge.fenixedu.domain.ExecutionSemester; import net.sourceforge.fenixedu.domain.ExecutionYear; import net.sourceforge.fenixedu.domain.Person; import net.sourceforge.fenixedu.domain.exceptions.DomainException; import net.sourceforge.fenixedu.domain.student.Registration; import net.sourceforge.fenixedu.domain.student.RegistrationRegime; import net.sourceforge.fenixedu.domain.studentCurriculum.CycleCurriculumGroup; import net.sourceforge.fenixedu.injectionCode.IllegalDataAccessException; import net.sourceforge.fenixedu.predicates.RegistrationPredicates; import org.apache.commons.collections.comparators.ReverseComparator; import org.apache.struts.action.ActionForm; import org.apache.struts.action.ActionForward; import org.apache.struts.action.ActionMapping; import pt.ist.fenixWebFramework.renderers.utils.RenderUtils; 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.FenixFramework; @Mapping(path = "/registration", module = "academicAdministration", functionality = SearchForStudentsDA.class) @Forwards({ @Forward(name = "chooseCycleForViewRegistrationCurriculum", path = "/academicAdminOffice/student/registration/chooseCycleForViewRegistrationCurriculum.jsp"), @Forward(name = "chooseCycleForRegistrationConclusion", path = "/academicAdminOffice/student/registration/chooseCycleForRegistrationConclusion.jsp"), @Forward(name = "view-registration-curriculum", path = "/academicAdminOffice/student/registration/viewRegistrationCurriculum.jsp"), @Forward(name = "registrationConclusion", path = "/academicAdminOffice/student/registration/registrationConclusion.jsp"), @Forward(name = "registrationConclusionDocument", path = "/academicAdminOffice/student/registration/registrationConclusionDocument.jsp"), @Forward(name = "viewAttends", path = "/academicAdminOffice/student/registration/viewAttends.jsp"), @Forward(name = "addAttends", path = "/academicAdminOffice/student/registration/addAttends.jsp"), @Forward(name = "showRegimes", path = "/academicAdminOffice/student/registration/showRegimes.jsp"), @Forward(name = "createRegime", path = "/academicAdminOffice/student/registration/createRegime.jsp"), @Forward(name = "view-application", path = "/academicAdminOffice/student/registration/application.jsp") }) public class RegistrationDA extends StudentRegistrationDA { public ActionForward prepareViewRegistrationCurriculum(ActionMapping mapping, ActionForm actionForm, HttpServletRequest request, HttpServletResponse response) { RenderUtils.invalidateViewState(); final Registration registration = getAndSetRegistration(request); final RegistrationCurriculumBean registrationCurriculumBean = new RegistrationCurriculumBean(registration); request.setAttribute("registrationCurriculumBean", registrationCurriculumBean); final String degreeCurricularPlanID = getStringFromRequest(request, "degreeCurricularPlanID"); if (degreeCurricularPlanID != null) { request.setAttribute("degreeCurricularPlanID", degreeCurricularPlanID); } if (!registrationCurriculumBean.hasCycleCurriculumGroup()) { final List<CycleCurriculumGroup> internalCycleCurriculumGroups = registration .getLastStudentCurricularPlan().getInternalCycleCurriculumGrops(); if (internalCycleCurriculumGroups.size() > 1) { return mapping.findForward("chooseCycleForViewRegistrationCurriculum"); } } return mapping.findForward("view-registration-curriculum"); } public ActionForward prepareViewRegistrationCurriculumInvalid(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) { final Registration registration = getAndSetRegistration(request); request.setAttribute("registrationCurriculumBean", getRegistrationCurriculumBeanFromViewState()); request.setAttribute("degreeCurricularPlanID", registration.getLastDegreeCurricularPlan().getExternalId()); return mapping.findForward("chooseCycleForViewRegistrationCurriculum"); } private RegistrationCurriculumBean getRegistrationCurriculumBeanFromViewState() { return (RegistrationCurriculumBean) getObjectFromViewState("registrationCurriculumBean"); } public ActionForward chooseCycleForViewRegistrationCurriculum(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) { final RegistrationCurriculumBean registrationCurriculumBean = getRegistrationCurriculumBeanFromViewState(); request.setAttribute("registrationCurriculumBean", registrationCurriculumBean); request.setAttribute("registration", registrationCurriculumBean.getRegistration()); final Person studentPerson = registrationCurriculumBean.getStudent().getPerson(); request.setAttribute("studentPerson", studentPerson); return mapping.findForward("view-registration-curriculum"); } public ActionForward viewRegistrationCurriculum(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception { final RegistrationCurriculumBean registrationCurriculumBean = getRegistrationCurriculumBeanFromViewState(); final ExecutionYear currentExecutionYear = ExecutionYear.readCurrentExecutionYear(); if (registrationCurriculumBean.getExecutionYear() == null && registrationCurriculumBean.getRegistration().hasAnyEnrolmentsIn(currentExecutionYear)) { registrationCurriculumBean.setExecutionYear(currentExecutionYear); } final String degreeCurricularPlanID = getStringFromRequest(request, "degreeCurricularPlanID"); if (degreeCurricularPlanID != null) { request.setAttribute("degreeCurricularPlanID", degreeCurricularPlanID); } request.setAttribute("registrationCurriculumBean", registrationCurriculumBean); return mapping.findForward("view-registration-curriculum"); } public ActionForward prepareRegistrationConclusionProcess(ActionMapping mapping, ActionForm actionForm, HttpServletRequest request, HttpServletResponse response) { RenderUtils.invalidateViewState(); final Registration registration = getAndSetRegistration(request); if (registration.isBolonha()) { if (registration.getLastStudentCurricularPlan().getInternalCycleCurriculumGrops().size() > 1) { request.setAttribute("registrationConclusionBean", new RegistrationConclusionBean(registration)); return mapping.findForward("chooseCycleForRegistrationConclusion"); } else if (registration.getInternalCycleCurriculumGrops().size() == 1) { final RegistrationConclusionBean bean = buildRegistrationConclusionBean(registration); bean.setCycleCurriculumGroup(registration.getInternalCycleCurriculumGrops().iterator().next()); request.setAttribute("registrationConclusionBean", bean); return mapping.findForward("registrationConclusion"); } else { return mapping.findForward("chooseCycleForRegistrationConclusion"); } } request.setAttribute("registrationConclusionBean", buildRegistrationConclusionBean(registration)); return mapping.findForward("registrationConclusion"); } private RegistrationConclusionBean buildRegistrationConclusionBean(final Registration registration) { final RegistrationConclusionBean bean = new RegistrationConclusionBean(registration); bean.setHasAccessToRegistrationConclusionProcess( RegistrationPredicates.MANAGE_CONCLUSION_PROCESS.evaluate(registration)); return bean; } public ActionForward prepareRegistrationConclusionProcessInvalid(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) { request.setAttribute("registrationConclusionBean", getRegistrationConclusionBeanFromViewState()); return mapping.findForward("chooseCycleForRegistrationConclusion"); } private RegistrationConclusionBean getRegistrationConclusionBeanFromViewState() { return (RegistrationConclusionBean) getObjectFromViewState("registrationConclusionBean"); } public ActionForward doRegistrationConclusion(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) { final RegistrationConclusionBean registrationConclusionBean = getRegistrationConclusionBeanFromViewState(); try { RegistrationConclusionProcess.run(registrationConclusionBean); } catch (final IllegalDataAccessException e) { addActionMessage("illegal.access", request, "error.not.authorized.to.registration.conclusion.process"); request.setAttribute("registrationConclusionBean", registrationConclusionBean); return mapping.findForward("registrationConclusion"); } catch (final DomainException e) { addActionMessage(request, e.getKey(), e.getArgs()); request.setAttribute("registrationConclusionBean", registrationConclusionBean); return mapping.findForward("registrationConclusion"); } request.setAttribute("registrationId", registrationConclusionBean.getRegistration().getExternalId()); return visualizeRegistration(mapping, form, request, response); } public ActionForward chooseCycleCurriculumGroupForConclusion(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) { final RegistrationConclusionBean registrationConclusionBean = getRegistrationConclusionBeanFromViewState(); request.setAttribute("registrationConclusionBean", registrationConclusionBean); request.setAttribute("registration", registrationConclusionBean.getRegistration()); return mapping.findForward("registrationConclusion"); } public ActionForward prepareRegistrationConclusionDocument(ActionMapping mapping, ActionForm actionForm, HttpServletRequest request, HttpServletResponse response) { RenderUtils.invalidateViewState(); final Registration registration = getAndSetRegistration(request); request.setAttribute("registration", registration); final Object cycleCurriculumGroupId = getFromRequest(request, "cycleCurriculumGroupId"); final CycleCurriculumGroup cycleCurriculumGroup = getDomainObject(request, "cycleCurriculumGroupId"); final RegistrationConclusionBean registrationConclusionBean; if (cycleCurriculumGroupId == null) { registrationConclusionBean = new RegistrationConclusionBean(registration); } else { registrationConclusionBean = new RegistrationConclusionBean(registration, cycleCurriculumGroup); } request.setAttribute("registrationConclusionBean", registrationConclusionBean); String degreePresentationName = registration.getDegree() .getPresentationName(registrationConclusionBean.getConclusionYear()); request.setAttribute("degreePresentationName", degreePresentationName); return mapping.findForward("registrationConclusionDocument"); } public ActionForward viewAttends(ActionMapping mapping, ActionForm actionForm, HttpServletRequest request, HttpServletResponse response) { RenderUtils.invalidateViewState(); final Registration registration = getAndSetRegistration(request); request.setAttribute("registration", registration); if (registration != null) { final SortedMap<ExecutionSemester, SortedSet<Attends>> attendsMap = new TreeMap<ExecutionSemester, SortedSet<Attends>>(); for (final Attends attends : registration.getAssociatedAttendsSet()) { final ExecutionSemester executionSemester = attends.getExecutionPeriod(); SortedSet<Attends> attendsSet = attendsMap.get(executionSemester); if (attendsSet == null) { attendsSet = new TreeSet<Attends>(Attends.ATTENDS_COMPARATOR); attendsMap.put(executionSemester, attendsSet); } attendsSet.add(attends); } request.setAttribute("attendsMap", attendsMap); } return mapping.findForward("viewAttends"); } public ActionForward prepareAddAttends(ActionMapping mapping, ActionForm actionForm, HttpServletRequest request, HttpServletResponse response) { final Registration registration = getAndSetRegistration(request); request.setAttribute("registration", registration); AddAttendsBean addAttendsBean = (AddAttendsBean) getObjectFromViewState("addAttendsBean"); if (addAttendsBean == null) { addAttendsBean = new AddAttendsBean(); final ExecutionSemester executionPeriod = ExecutionSemester.readActualExecutionSemester(); final ExecutionYear executionYear = executionPeriod.getExecutionYear(); final Degree degree = registration.getDegree(); final ExecutionDegree executionDegree = getExecutionDegree(executionYear, degree); addAttendsBean.setExecutionPeriod(executionPeriod); addAttendsBean.setExecutionYear(executionYear); addAttendsBean.setExecutionDegree(executionDegree); } request.setAttribute("addAttendsBean", addAttendsBean); RenderUtils.invalidateViewState(); return mapping.findForward("addAttends"); } protected ExecutionDegree getExecutionDegree(final ExecutionYear executionYear, final Degree degree) { for (final DegreeCurricularPlan degreeCurricularPlan : degree.getDegreeCurricularPlansSet()) { for (final ExecutionDegree executionDegree : degreeCurricularPlan.getExecutionDegreesSet()) { if (executionDegree.getExecutionYear() == executionYear) { return executionDegree; } } } return null; } public ActionForward addAttends(ActionMapping mapping, ActionForm actionForm, HttpServletRequest request, HttpServletResponse response) throws Exception { final Registration registration = getAndSetRegistration(request); request.setAttribute("registration", registration); final AddAttendsBean addAttendsBean = (AddAttendsBean) getObjectFromViewState("addAttendsBean"); final ExecutionCourse executionCourse = addAttendsBean.getExecutionCourse(); WriteStudentAttendingCourse.runWriteStudentAttendingCourse(registration, executionCourse.getExternalId()); return viewAttends(mapping, actionForm, request, response); } public ActionForward deleteAttends(ActionMapping mapping, ActionForm actionForm, HttpServletRequest request, HttpServletResponse response) throws Exception { final Registration registration = getAndSetRegistration(request); request.setAttribute("registration", registration); final String attendsIdString = request.getParameter("attendsId"); final Attends attends = FenixFramework.getDomainObject(attendsIdString); try { registration.removeAttendFor(attends.getExecutionCourse()); } catch (final DomainException e) { addActionMessage(request, e.getMessage(), e.getArgs()); } return viewAttends(mapping, actionForm, request, response); } public ActionForward deleteShiftEnrolments(ActionMapping mapping, ActionForm actionForm, HttpServletRequest request, HttpServletResponse response) throws Exception { final Registration registration = getAndSetRegistration(request); request.setAttribute("registration", registration); final String attendsIdString = request.getParameter("attendsId"); final Attends attends = FenixFramework.getDomainObject(attendsIdString); if (attends != null) { attends.deleteShiftEnrolments(); } return viewAttends(mapping, actionForm, request, response); } public ActionForward showRegimes(ActionMapping mapping, ActionForm actionForm, HttpServletRequest request, HttpServletResponse response) { final Registration registration = getAndSetRegistration(request); final List<RegistrationRegime> regimes = new ArrayList<RegistrationRegime>( registration.getRegistrationRegimesSet()); Collections.sort(regimes, new ReverseComparator(RegistrationRegime.COMPARATOR_BY_EXECUTION_YEAR)); request.setAttribute("registrationRegimes", regimes); return mapping.findForward("showRegimes"); } public ActionForward prepareCreateRegime(ActionMapping mapping, ActionForm actionForm, HttpServletRequest request, HttpServletResponse response) { getAndSetRegistration(request); return mapping.findForward("createRegime"); } public ActionForward deleteRegime(ActionMapping mapping, ActionForm actionForm, HttpServletRequest request, HttpServletResponse response) { try { final RegistrationRegime regime = getRegistrationRegime(request); DeleteRegistrationRegime.run(regime); } catch (DomainException e) { addActionMessage(request, e.getMessage(), e.getArgs()); } return showRegimes(mapping, actionForm, request, response); } private RegistrationRegime getRegistrationRegime(HttpServletRequest request) { return getDomainObject(request, "registrationRegimeId"); } public ActionForward viewApplication(ActionMapping mapping, ActionForm actionForm, HttpServletRequest request, HttpServletResponse response) { final Registration registration = getAndSetRegistration(request); request.setAttribute("registration", registration); return mapping.findForward("view-application"); } }