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.messaging; import java.util.Set; import java.util.TreeSet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import net.sourceforge.fenixedu.domain.Person; import net.sourceforge.fenixedu.domain.person.RoleType; import net.sourceforge.fenixedu.domain.util.email.ExecutionCourseSender; import net.sourceforge.fenixedu.domain.util.email.Message; import net.sourceforge.fenixedu.domain.util.email.MessageDeleteService; import net.sourceforge.fenixedu.domain.util.email.Sender; import net.sourceforge.fenixedu.injectionCode.AccessControl; import net.sourceforge.fenixedu.presentationTier.Action.base.FenixDispatchAction; import net.sourceforge.fenixedu.presentationTier.Action.messaging.MessagingApplication.MessagingEmailsApp; 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.domain.Bennu; import org.fenixedu.bennu.core.domain.User; 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.ist.fenixframework.FenixFramework; import pt.utl.ist.fenix.tools.util.CollectionPager; @StrutsFunctionality(app = MessagingEmailsApp.class, path = "view-sent-emails", titleKey = "label.email.sent") @Mapping(path = "/viewSentEmails", module = "messaging") @Forwards({ @Forward(name = "view.sent.emails", path = "/messaging/viewSentEmails.jsp"), @Forward(name = "view.email", path = "/messaging/viewEmail.jsp") }) public class ViewSentEmailsDA extends FenixDispatchAction { @EntryPoint public ActionForward viewSentEmails(ActionMapping mapping, ActionForm actionForm, HttpServletRequest request, HttpServletResponse response) { final String senderParam = request.getParameter("senderId"); if (senderParam != null && !senderParam.isEmpty()) { return viewSentEmails(mapping, request, senderParam); } final User userView = Authenticate.getUser(); final Set<Sender> sendersGroups = new TreeSet<Sender>(Sender.COMPARATOR_BY_FROM_NAME); final TreeSet<ExecutionCourseSender> sendersGroupsCourses = new TreeSet<ExecutionCourseSender>( ExecutionCourseSender.COMPARATOR_BY_EXECUTION_COURSE_SENDER); for (final Sender sender : Bennu.getInstance().getUtilEmailSendersSet()) { boolean allow = sender.getMembers().isMember(userView); boolean isExecutionCourseSender = sender instanceof ExecutionCourseSender; if (allow && !isExecutionCourseSender) { sendersGroups.add(sender); } if (allow && isExecutionCourseSender) { sendersGroupsCourses.add((ExecutionCourseSender) sender); } } if (isSenderUnique(sendersGroups, sendersGroupsCourses)) { if (sendersGroupsCourses.size() == 1) { return viewSentEmails(mapping, request, (sendersGroupsCourses.iterator().next()).getExternalId()); } else { return viewSentEmails(mapping, request, sendersGroups.iterator().next().getExternalId()); } } request.setAttribute("sendersGroups", sendersGroups); request.setAttribute("sendersGroupsCourses", sendersGroupsCourses); final Person person = AccessControl.getPerson(); if (person != null && person.hasRole(RoleType.MANAGER)) { SearchSendersBean searchSendersBean = getRenderedObject("searchSendersBean"); if (searchSendersBean == null) { searchSendersBean = new SearchSendersBean(); } request.setAttribute("searchSendersBean", searchSendersBean); } return mapping.findForward("view.sent.emails"); } public ActionForward viewSentEmails(final ActionMapping mapping, final HttpServletRequest request, final String senderId) { final Sender sender = FenixFramework.getDomainObject(senderId); final int numberOfMessagesByPage = 40; final CollectionPager<Message> pager = new CollectionPager<Message>(sender.getMessagesSet(), numberOfMessagesByPage); request.setAttribute("numberOfPages", getNumberOfPages(pager)); final String pageParameter = request.getParameter("pageNumber"); final Integer page = StringUtils.isEmpty(pageParameter) ? Integer.valueOf(1) : Integer.valueOf(pageParameter); request.setAttribute("messages", pager.getPage(page)); request.setAttribute("senderId", senderId); request.setAttribute("pageNumber", page); return viewSentEmails(mapping, request, sender); } public ActionForward viewSentEmails(final ActionMapping mapping, final HttpServletRequest request, final Sender sender) { request.setAttribute("sender", sender); return mapping.findForward("view.sent.emails"); } public ActionForward viewEmail(final ActionMapping mapping, final HttpServletRequest request, final Message message) { request.setAttribute("message", message); return mapping.findForward("view.email"); } public ActionForward viewEmail(final ActionMapping mapping, final ActionForm actionForm, final HttpServletRequest request, final HttpServletResponse response) { final String messageParam = request.getParameter("messagesId"); final Message message = messageParam != null && !messageParam.isEmpty() ? FenixFramework.<Message>getDomainObject(messageParam) : null; return viewEmail(mapping, request, message); } public ActionForward deleteMessage(final ActionMapping mapping, final ActionForm actionForm, final HttpServletRequest request, final HttpServletResponse response) { final String messageParam = request.getParameter("messagesId"); final Message message = messageParam != null && !messageParam.isEmpty() ? FenixFramework.<Message>getDomainObject(messageParam) : null; if (message == null) { return viewSentEmails(mapping, actionForm, request, response); } else { final Sender sender = message.getSender(); MessageDeleteService.delete(message); return viewSentEmails(mapping, request, sender.getExternalId()); } } private int getNumberOfPages(CollectionPager<?> pager) { if (pager.getCollection().size() <= pager.getMaxElementsPerPage()) { return 0; } return pager.getNumberOfPages(); } private boolean isSenderUnique(Set<?> arg0, Set<?> arg1) { if (arg0 == null) { return arg1.size() == 1; } if (arg1 == null) { return arg0.size() == 1; } return arg0.size() + arg0.size() == 1; } @Atomic public ActionForward resubmit(ActionMapping mapping, ActionForm actionForm, HttpServletRequest request, HttpServletResponse response) { Message message = getMessageFromRequest(request); message.setSent(null); message.setRootDomainObjectFromPendingRelation(rootDomainObject); request.setAttribute("message", message); return mapping.findForward("view.email"); } private Message getMessageFromRequest(HttpServletRequest request) { final String messageParam = request.getParameter("messagesId"); return FenixFramework.getDomainObject(messageParam); } }