Java tutorial
/** * Copyright 2002 Instituto Superior Tcnico * * This file is part of FenixEdu Academic. * * FenixEdu Academic 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 Academic 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 Academic. If not, see <http://www.gnu.org/licenses/>. */ package org.fenixedu.academic.ui.struts.action.publico.candidacies; import java.io.DataOutputStream; import java.io.IOException; import java.util.SortedSet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import org.apache.commons.httpclient.HttpStatus; import org.apache.struts.action.ActionForm; import org.apache.struts.action.ActionForward; import org.apache.struts.action.ActionMapping; import org.fenixedu.academic.domain.candidacy.GenericApplication; import org.fenixedu.academic.domain.candidacy.GenericApplicationFile; import org.fenixedu.academic.domain.candidacy.GenericApplicationLetterOfRecomentation; import org.fenixedu.academic.domain.candidacy.GenericApplicationRecomentation; import org.fenixedu.academic.domain.candidacy.util.GenericApplicationPeriodBean; import org.fenixedu.academic.domain.candidacy.util.GenericApplicationRecommendationBean; import org.fenixedu.academic.domain.candidacy.util.GenericApplicationUploadBean; import org.fenixedu.academic.domain.candidacy.util.GenericApplicationUserBean; import org.fenixedu.academic.domain.exceptions.DomainException; import org.fenixedu.academic.domain.period.GenericApplicationPeriod; import org.fenixedu.academic.domain.person.RoleType; import org.fenixedu.academic.ui.struts.action.base.FenixDispatchAction; import org.fenixedu.academic.ui.struts.action.publico.PublicApplication.PublicCandidaciesApp; import org.fenixedu.academic.util.Bundle; import org.fenixedu.bennu.core.domain.User; import org.fenixedu.bennu.core.i18n.BundleUtil; import org.fenixedu.bennu.core.security.Authenticate; import org.fenixedu.bennu.struts.annotations.Forward; import org.fenixedu.bennu.struts.annotations.Forwards; import org.fenixedu.bennu.struts.annotations.Mapping; import org.fenixedu.bennu.struts.portal.EntryPoint; import org.fenixedu.bennu.struts.portal.StrutsFunctionality; import pt.ist.fenixWebFramework.renderers.utils.RenderUtils; import pt.ist.fenixframework.Atomic; import pt.ist.fenixframework.FenixFramework; @StrutsFunctionality(app = PublicCandidaciesApp.class, path = "generic-applications", titleKey = "title.applications") @Mapping(path = "/genericApplications", module = "publico") @Forwards({ @Forward(name = "genericApplications.listApplicationPeriods", path = "/publico/candidacy/genericApplications/listApplicationPeriods.jsp"), @Forward(name = "genericApplications.viewApplicationPeriod", path = "/publico/candidacy/genericApplications/viewApplicationPeriod.jsp"), @Forward(name = "genericApplications.confirmEmail", path = "/publico/candidacy/genericApplications/confirmEmail.jsp"), @Forward(name = "genericApplications.uploadRecommendation", path = "/publico/candidacy/genericApplications/uploadRecommendation.jsp") }) public class GenericCandidaciesDA extends FenixDispatchAction { @EntryPoint public ActionForward listApplicationPeriods(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) { final SortedSet<GenericApplicationPeriod> periods = GenericApplicationPeriod.getPeriods(); request.setAttribute("periods", periods); final User userView = Authenticate.getUser(); if (userView != null && RoleType.MANAGER.isMember(userView.getPerson().getUser())) { final GenericApplicationPeriodBean genericApplicationPeriodBean = new GenericApplicationPeriodBean(); request.setAttribute("genericApplicationPeriodBean", genericApplicationPeriodBean); } return mapping.findForward("genericApplications.listApplicationPeriods"); } public ActionForward viewApplicationPeriod(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) { final GenericApplicationPeriod applicationPeriod = getDomainObject(request, "applicationPeriodId"); request.setAttribute("applicationPeriod", applicationPeriod); if (applicationPeriod.isCurrentUserAllowedToMange()) { final GenericApplicationUserBean genericApplicationUserBean = new GenericApplicationUserBean( applicationPeriod); request.setAttribute("genericApplicationUserBean", genericApplicationUserBean); } return mapping.findForward("genericApplications.viewApplicationPeriod"); } public ActionForward createApplicationPeriod(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) { final GenericApplicationPeriodBean bean = getRenderedObject("genericApplicationPeriodBean"); bean.createNewPeriod(); return listApplicationPeriods(mapping, form, request, response); } public ActionForward addManager(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) { final GenericApplicationUserBean bean = getRenderedObject("genericApplicationUserBean"); bean.addManagerUser(); request.setAttribute("changedManagerList", Boolean.TRUE); return viewApplicationPeriod(mapping, form, request, response); } public ActionForward removeManager(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) { final GenericApplicationPeriod applicationPeriod = getDomainObject(request, "applicationPeriodId"); final User user = getDomainObject(request, "userId"); applicationPeriod.removeManagerService(user); request.setAttribute("changedManagerList", Boolean.TRUE); return viewApplicationPeriod(mapping, form, request, response); } public void justCreateApplication(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) { final GenericApplicationPeriod period = getDomainObject(request, "periodOid"); final String email = (String) getFromRequest(request, "email"); if (period != null && email != null) { final GenericApplication application = period.createApplication(email); request.setAttribute("sentEmailForApplication", application); } } public ActionForward createApplication(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) { try { justCreateApplication(mapping, form, request, response); } catch (DomainException ex1) { addActionMessage(request, ex1.getMessage()); } return listApplicationPeriods(mapping, form, request, response); } public ActionForward createApplicationFromPeriodPage(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) { try { justCreateApplication(mapping, form, request, response); } catch (DomainException ex1) { addActionMessage(request, ex1.getMessage()); } return viewApplicationPeriod(mapping, form, request, response); } public ActionForward confirmEmail(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) { final GenericApplication application = getDomainObject(request, "applicationExternalId"); final String confirmationCode = (String) getFromRequest(request, "confirmationCode"); if (application != null && confirmationCode != null && application.getConfirmationCode() != null && application.getConfirmationCode().equals(confirmationCode)) { request.setAttribute("application", application); if (application.getGenericApplicationPeriod().isOpen()) { request.setAttribute("uploadBean", new GenericApplicationUploadBean()); } request.setAttribute("recommendationBean", new GenericApplicationRecommendationBean()); return mapping.findForward("genericApplications.confirmEmail"); } request.setAttribute("invalidOrIncorrectConfirmationCode", Boolean.TRUE); return listApplicationPeriods(mapping, form, request, response); } public ActionForward viewApplication(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) { final GenericApplication application = getDomainObject(request, "applicationId"); if (application != null && application.getGenericApplicationPeriod().isCurrentUserAllowedToMange()) { request.setAttribute("application", application); return mapping.findForward("genericApplications.confirmEmail"); } request.setAttribute("invalidOrIncorrectConfirmationCode", Boolean.TRUE); return listApplicationPeriods(mapping, form, request, response); } public ActionForward saveApplication(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) { RenderUtils.invalidateViewState(); request.setAttribute("applicationSaved", Boolean.TRUE); return confirmEmail(mapping, form, request, response); } public ActionForward submitApplication(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) { RenderUtils.invalidateViewState(); final GenericApplication application = getDomainObject(request, "applicationExternalId"); final String confirmationCode = (String) getFromRequest(request, "confirmationCode"); if (application != null && confirmationCode != null && application.getConfirmationCode() != null && application.getConfirmationCode().equals(confirmationCode)) { application.submitApplication(); request.setAttribute("applicationSaved", Boolean.TRUE); } return confirmEmail(mapping, form, request, response); } public ActionForward uploadDocument(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) { final GenericApplicationUploadBean uploadBean = getRenderedObject( "genericApplicationDocumentUploadFormFile"); final GenericApplication application = getDomainObject(request, "applicationExternalId"); final String confirmationCode = (String) getFromRequest(request, "confirmationCode"); if (application != null && confirmationCode != null && application.getConfirmationCode() != null && application.getConfirmationCode().equals(confirmationCode)) { try { final GenericApplicationFile file = uploadBean.uploadTo(application); if (file != null) { RenderUtils.invalidateViewState(); } else { request.setAttribute("hasUploadFileError", Boolean.TRUE); } return confirmEmail(mapping, form, request, response); } catch (Error e) { addActionMessage(request, "message.file.could.not.read"); request.setAttribute("hasUploadFileError", Boolean.TRUE); return confirmEmail(mapping, form, request, response); } } request.setAttribute("invalidOrIncorrectConfirmationCode", Boolean.TRUE); return listApplicationPeriods(mapping, form, request, response); } public ActionForward downloadFile(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws IOException { final GenericApplication application = getDomainObject(request, "applicationExternalId"); final String confirmationCode = (String) getFromRequest(request, "confirmationCode"); final GenericApplicationFile file = getDomainObject(request, "fileExternalId"); if (application != null && file != null && file.getGenericApplication() == application && ((confirmationCode != null && application.getConfirmationCode() != null && application.getConfirmationCode().equals(confirmationCode)) || application.getGenericApplicationPeriod().isCurrentUserAllowedToMange())) { response.setContentType(file.getContentType()); response.addHeader("Content-Disposition", "attachment; filename=\"" + file.getFilename() + "\""); response.setContentLength(file.getSize().intValue()); final DataOutputStream dos = new DataOutputStream(response.getOutputStream()); dos.write(file.getContent()); dos.close(); } else { response.setStatus(HttpServletResponse.SC_BAD_REQUEST); response.getWriter().write(HttpStatus.getStatusText(HttpStatus.SC_BAD_REQUEST)); response.getWriter().close(); } return null; } public ActionForward downloadRecomendationFile(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws IOException { final String confirmationCode = (String) getFromRequest(request, "confirmationCode"); final GenericApplicationLetterOfRecomentation file = getDomainObject(request, "fileExternalId"); if (file != null && file.getRecomentation() != null && file.getRecomentation().getConfirmationCode() != null && ((file.getRecomentation().getGenericApplication().getGenericApplicationPeriod() .isCurrentUserAllowedToMange()) || file.getRecomentation().getConfirmationCode().equals(confirmationCode))) { response.setContentType(file.getContentType()); response.addHeader("Content-Disposition", "attachment; filename=\"" + file.getFilename() + "\""); response.setContentLength(file.getSize().intValue()); final DataOutputStream dos = new DataOutputStream(response.getOutputStream()); dos.write(file.getContent()); dos.close(); } else { response.setStatus(HttpServletResponse.SC_BAD_REQUEST); response.getWriter().write(HttpStatus.getStatusText(HttpStatus.SC_BAD_REQUEST)); response.getWriter().close(); } return null; } public ActionForward deleteFile(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws IOException { final GenericApplication application = getDomainObject(request, "applicationExternalId"); final String confirmationCode = (String) getFromRequest(request, "confirmationCode"); final GenericApplicationFile file = getDomainObject(request, "fileExternalId"); if (application != null && confirmationCode != null && application.getConfirmationCode() != null && application.getConfirmationCode().equals(confirmationCode) && file != null && file.getGenericApplication() == application) { FenixFramework.atomic(() -> file.delete()); } else { response.setStatus(HttpServletResponse.SC_BAD_REQUEST); response.getWriter().write(HttpStatus.getStatusText(HttpStatus.SC_BAD_REQUEST)); response.getWriter().close(); } return confirmEmail(mapping, form, request, response); } public ActionForward requestRecommendation(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) { final GenericApplicationRecommendationBean recommendationBean = getRenderedObject("recommendationBean"); final GenericApplication application = getDomainObject(request, "applicationExternalId"); final String confirmationCode = (String) getFromRequest(request, "confirmationCode"); if (application != null && confirmationCode != null && application.getConfirmationCode() != null && application.getConfirmationCode().equals(confirmationCode)) { recommendationBean.requestRecommendation(application); RenderUtils.invalidateViewState(); return confirmEmail(mapping, form, request, response); } request.setAttribute("invalidOrIncorrectConfirmationCode", Boolean.TRUE); return listApplicationPeriods(mapping, form, request, response); } public ActionForward deleteRecommendationRequest(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws IOException { final GenericApplication application = getDomainObject(request, "applicationExternalId"); final String confirmationCode = (String) getFromRequest(request, "confirmationCode"); final GenericApplicationRecomentation recommendation = getDomainObject(request, "recomentationId"); if (application != null && confirmationCode != null && application.getConfirmationCode() != null && application.getConfirmationCode().equals(confirmationCode) && recommendation != null && recommendation.getGenericApplication() == application) { recommendation.sendEmailForRecommendationDelete(); removeRecommendationFromApplication(application, recommendation); return confirmEmail(mapping, form, request, response); } request.setAttribute("invalidOrIncorrectConfirmationCode", Boolean.TRUE); return listApplicationPeriods(mapping, form, request, response); } @Atomic private void removeRecommendationFromApplication(GenericApplication application, GenericApplicationRecomentation recommendation) { application.removeGenericApplicationRecomentation(recommendation); } public ActionForward resendRecommendationRequest(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws IOException { final GenericApplication application = getDomainObject(request, "applicationExternalId"); final String confirmationCode = (String) getFromRequest(request, "confirmationCode"); final GenericApplicationRecomentation recomentation = getDomainObject(request, "recomentationId"); if (application != null && confirmationCode != null && application.getConfirmationCode() != null && application.getConfirmationCode().equals(confirmationCode) && recomentation != null && recomentation.getGenericApplication() == application) { recomentation.sendEmailForRecommendation(); return confirmEmail(mapping, form, request, response); } request.setAttribute("invalidOrIncorrectConfirmationCode", Boolean.TRUE); return listApplicationPeriods(mapping, form, request, response); } public ActionForward uploadRecommendation(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) { final GenericApplicationRecomentation recomentation = getDomainObject(request, "recommendationExternalId"); final String confirmationCode = (String) getFromRequest(request, "confirmationCode"); if (recomentation != null && confirmationCode != null && recomentation.getConfirmationCode() != null && recomentation.getConfirmationCode().equals(confirmationCode)) { GenericApplicationUploadBean uploadBean = getRenderedObject("uploadBean"); if (uploadBean == null) { uploadBean = new GenericApplicationUploadBean(); uploadBean.setDisplayName(BundleUtil.getString(Bundle.CANDIDATE, "label.recommendation.document")); } else { try { final GenericApplicationLetterOfRecomentation file = uploadBean.uploadTo(recomentation); if (file != null) { RenderUtils.invalidateViewState(); request.setAttribute("recommendationSaved", Boolean.TRUE); } } catch (Error e) { addActionMessage(request, "message.file.could.not.read"); } } request.setAttribute("uploadBean", uploadBean); request.setAttribute("recomentation", recomentation); return mapping.findForward("genericApplications.uploadRecommendation"); } request.setAttribute("invalidOrIncorrectConfirmationCode", Boolean.TRUE); return listApplicationPeriods(mapping, form, request, response); } }