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.person; import java.io.InputStream; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import org.apache.struts.action.ActionForm; import org.apache.struts.action.ActionForward; import org.apache.struts.action.ActionMapping; import org.apache.struts.action.ActionMessage; import org.apache.struts.action.ActionMessages; import org.fenixedu.academic.domain.Person; import org.fenixedu.academic.domain.Photograph; import org.fenixedu.academic.dto.person.PersonBean; import org.fenixedu.academic.dto.person.PhotographUploadBean; import org.fenixedu.academic.dto.person.PhotographUploadBean.UnableToProcessTheImage; import org.fenixedu.academic.predicate.AccessControl; import org.fenixedu.academic.service.services.fileManager.UploadOwnPhoto; import org.fenixedu.academic.ui.struts.action.base.FenixDispatchAction; import org.fenixedu.academic.ui.struts.action.person.UpdateEmergencyContactDA.EmergencyContactBean; import org.fenixedu.academic.util.Bundle; import org.fenixedu.academic.util.ContentType; 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.joda.time.DateTime; import pt.ist.fenixWebFramework.renderers.utils.RenderUtils; import com.google.common.io.ByteStreams; /** * Action to upload personal photographs. * * @author Pedro Santos (pmrsa) */ @Mapping(module = "person", path = "/uploadPhoto", functionality = VisualizePersonalInfo.class) @Forwards({ @Forward(name = "visualizePersonalInformation", path = "/person/visualizePersonalInfo.jsp"), @Forward(name = "confirm", path = "/person/uploadPhoto.jsp"), @Forward(name = "upload", path = "/person/uploadPhoto.jsp") }) public class UploadPhotoDA extends FenixDispatchAction { private static final int MAX_RAW_SIZE = 1000000; // 2M public ActionForward togglePhotoAvailability(ActionMapping mapping, ActionForm actionForm, HttpServletRequest request, HttpServletResponse response) { boolean availability = Boolean.parseBoolean(request.getParameter("available")); atomic(() -> { Authenticate.getUser().getPerson().setPhotoAvailable(availability); }); request.setAttribute("personBean", new PersonBean(AccessControl.getPerson())); request.setAttribute("emergencyContactBean", new EmergencyContactBean(AccessControl.getPerson())); return mapping.findForward("visualizePersonalInformation"); } public ActionForward prepare(ActionMapping mapping, ActionForm actionForm, HttpServletRequest request, HttpServletResponse response) throws Exception { request.setAttribute("photo", new PhotographUploadBean()); request.setAttribute("phroperCaption", BundleUtil.getString(Bundle.APPLICATION, "phroper.caption")); request.setAttribute("phroperSubCaption", BundleUtil.getString(Bundle.APPLICATION, "phroper.subCaption")); request.setAttribute("phroperButtonCaption", BundleUtil.getString(Bundle.APPLICATION, "phroper.buttonCaption")); request.setAttribute("phroperLoadingCaption", BundleUtil.getString(Bundle.APPLICATION, "phroper.loadingCaption")); request.setAttribute("buttonClean", BundleUtil.getString(Bundle.APPLICATION, "button.clean")); request.setAttribute("buttonRevert", BundleUtil.getString(Bundle.APPLICATION, "button.phroper.revert")); return mapping.findForward("upload"); } public ActionForward upload(ActionMapping mapping, ActionForm actionForm, HttpServletRequest request, HttpServletResponse response) throws Exception { PhotographUploadBean photo = getRenderedObject(); RenderUtils.invalidateViewState(); String base64Thumbnail = request.getParameter("encodedThumbnail"); String base64Image = request.getParameter("encodedPicture"); if (base64Image != null && base64Thumbnail != null) { DateTime now = new DateTime(); photo.setFilename("mylovelypic_" + now.getYear() + now.getMonthOfYear() + now.getDayOfMonth() + now.getHourOfDay() + now.getMinuteOfDay() + now.getSecondOfMinute() + ".png"); photo.setBase64RawContent(base64Image.split(",")[1]); photo.setBase64RawThumbnail(base64Thumbnail.split(",")[1]); photo.setContentType(base64Image.split(",")[0].split(":")[1].split(";")[0]); } ActionMessages actionMessages = new ActionMessages(); try (InputStream stream = photo.getFileInputStream()) { if (stream == null) { actionMessages.add("fileRequired", new ActionMessage("errors.fileRequired")); saveMessages(request, actionMessages); return prepare(mapping, actionForm, request, response); } } if (ContentType.getContentType(photo.getContentType()) == null) { actionMessages.add("fileUnsupported", new ActionMessage("errors.unsupportedFile")); saveMessages(request, actionMessages); return prepare(mapping, actionForm, request, response); } if (photo.getRawSize() > MAX_RAW_SIZE) { actionMessages.add("fileTooLarge", new ActionMessage("errors.fileTooLarge")); saveMessages(request, actionMessages); photo.deleteTemporaryFiles(); return prepare(mapping, actionForm, request, response); } try { photo.processImage(); } catch (UnableToProcessTheImage e) { actionMessages.add("unableToProcessImage", new ActionMessage("errors.unableToProcessImage")); saveMessages(request, actionMessages); photo.deleteTemporaryFiles(); return prepare(mapping, actionForm, request, response); } photo.createTemporaryFiles(); request.setAttribute("preview", true); request.setAttribute("photo", photo); return mapping.findForward("confirm"); } public ActionForward save(ActionMapping mapping, ActionForm actionForm, HttpServletRequest request, HttpServletResponse response) throws Exception { PhotographUploadBean photo = getRenderedObject(); RenderUtils.invalidateViewState(); try (InputStream stream = photo.getFileInputStream()) { UploadOwnPhoto.run(ByteStreams.toByteArray(stream), ContentType.getContentType(photo.getContentType())); } final Person person = Authenticate.getUser().getPerson(); request.setAttribute("personBean", new PersonBean(person)); EmergencyContactBean emergencyContactBean = new EmergencyContactBean(person); request.setAttribute("emergencyContactBean", emergencyContactBean); return mapping.findForward("visualizePersonalInformation"); } public ActionForward cancel(ActionMapping mapping, ActionForm actionForm, HttpServletRequest request, HttpServletResponse response) throws Exception { request.setAttribute("personBean", new PersonBean(AccessControl.getPerson())); request.setAttribute("emergencyContactBean", new EmergencyContactBean(AccessControl.getPerson())); return mapping.findForward("visualizePersonalInformation"); } public ActionForward cancelSubmission(ActionMapping mapping, ActionForm actionForm, HttpServletRequest request, HttpServletResponse response) throws Exception { Photograph photo = AccessControl.getPerson().getPersonalPhotoEvenIfRejected(); if (photo != null) { photo.cancelSubmission(); } request.setAttribute("personBean", new PersonBean(AccessControl.getPerson())); request.setAttribute("emergencyContactBean", new EmergencyContactBean(AccessControl.getPerson())); return mapping.findForward("visualizePersonalInformation"); } public ActionForward backToShowInformation(ActionMapping mapping, ActionForm actionForm, HttpServletRequest request, HttpServletResponse response) { request.setAttribute("personBean", new PersonBean(AccessControl.getPerson())); request.setAttribute("emergencyContactBean", new EmergencyContactBean(AccessControl.getPerson())); return mapping.findForward("visualizePersonalInformation"); } }