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/>. */ /* * Created on 8/Jan/2005 * */ package net.sourceforge.fenixedu.applicationTier.Servico.publico; import java.util.ArrayList; import java.util.Collection; import java.util.Collections; import java.util.Iterator; import java.util.List; import net.sourceforge.fenixedu.applicationTier.Servico.exceptions.ExistingServiceException; import net.sourceforge.fenixedu.applicationTier.Servico.exceptions.FenixServiceException; import net.sourceforge.fenixedu.dataTransferObject.InfoGrouping; import net.sourceforge.fenixedu.dataTransferObject.InfoSiteStudentAndGroup; import net.sourceforge.fenixedu.dataTransferObject.InfoSiteStudentInformation; import net.sourceforge.fenixedu.dataTransferObject.InfoSiteStudentsAndGroups; import net.sourceforge.fenixedu.dataTransferObject.InfoStudentGroup; import net.sourceforge.fenixedu.domain.Attends; import net.sourceforge.fenixedu.domain.Grouping; import net.sourceforge.fenixedu.domain.StudentGroup; import org.apache.commons.beanutils.BeanComparator; import pt.ist.fenixframework.Atomic; import pt.ist.fenixframework.FenixFramework; /** * @author joaosa & rmalo * */ public class ReadAllStudentsAndGroups { @Atomic public static InfoSiteStudentsAndGroups run(String groupingId) throws FenixServiceException { InfoSiteStudentsAndGroups infoSiteStudentsAndGroups = new InfoSiteStudentsAndGroups(); Grouping grouping = FenixFramework.getDomainObject(groupingId); if (grouping == null) { throw new ExistingServiceException(); } List infoSiteStudentsAndGroupsList = new ArrayList(); List studentGroups = getAllStudentGroups(grouping); Iterator iterStudentGroups = studentGroups.iterator(); while (iterStudentGroups.hasNext()) { Collection studentGroupAttendList; StudentGroup studentGroup = (StudentGroup) iterStudentGroups.next(); studentGroupAttendList = studentGroup.getAttendsSet(); Iterator iterStudentGroupAttendList = studentGroupAttendList.iterator(); InfoSiteStudentInformation infoSiteStudentInformation = null; InfoSiteStudentAndGroup infoSiteStudentAndGroup = null; Attends attend = null; while (iterStudentGroupAttendList.hasNext()) { infoSiteStudentInformation = new InfoSiteStudentInformation(); infoSiteStudentAndGroup = new InfoSiteStudentAndGroup(); attend = (Attends) iterStudentGroupAttendList.next(); infoSiteStudentAndGroup.setInfoStudentGroup(InfoStudentGroup.newInfoFromDomain(studentGroup)); infoSiteStudentInformation.setNumber(attend.getRegistration().getNumber()); infoSiteStudentInformation.setName(attend.getRegistration().getPerson().getName()); infoSiteStudentInformation.setUsername((attend.getRegistration().getPerson().getUsername())); infoSiteStudentInformation.setEmail(attend.getRegistration().getPerson().getEmail()); infoSiteStudentInformation.setPersonID(attend.getRegistration().getPerson().getExternalId()); infoSiteStudentAndGroup.setInfoSiteStudentInformation(infoSiteStudentInformation); infoSiteStudentsAndGroupsList.add(infoSiteStudentAndGroup); } } Collections.sort(infoSiteStudentsAndGroupsList, new BeanComparator("infoStudentGroup.groupNumber")); infoSiteStudentsAndGroups.setInfoSiteStudentsAndGroupsList(infoSiteStudentsAndGroupsList); infoSiteStudentsAndGroups.setInfoGrouping(InfoGrouping.newInfoFromDomain(grouping)); return infoSiteStudentsAndGroups; } private static List getAllStudentGroups(Grouping groupProperties) { List result = new ArrayList(); Collection studentGroups = groupProperties.getStudentGroupsSet(); result.addAll(studentGroups); return result; } }