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.renderers.providers; import java.util.ArrayList; import java.util.Collections; import java.util.List; import net.sourceforge.fenixedu.domain.ExecutionYear; import net.sourceforge.fenixedu.domain.organizationalStructure.Unit; import net.sourceforge.fenixedu.domain.vigilancy.ExamCoordinator; import net.sourceforge.fenixedu.domain.vigilancy.VigilantGroup; import net.sourceforge.fenixedu.presentationTier.Action.vigilancy.VigilantGroupBean; import org.apache.commons.beanutils.BeanComparator; import pt.ist.fenixWebFramework.rendererExtensions.converters.DomainObjectKeyArrayConverter; import pt.ist.fenixWebFramework.renderers.DataProvider; import pt.ist.fenixWebFramework.renderers.components.converters.Converter; public class ExamCoordinatorsForGivenUnit implements DataProvider { @Override public Object provide(Object source, Object currentValue) { VigilantGroupBean bean = (VigilantGroupBean) source; ExecutionYear currentYear = ExecutionYear.readCurrentExecutionYear(); Unit unit = bean.getSelectedUnit(); List<ExamCoordinator> coordinators = new ArrayList<ExamCoordinator>(); if (unit != null) { coordinators.addAll(unit.getExamCoordinatorsForGivenYear(currentYear)); } VigilantGroup group = bean.getSelectedVigilantGroup(); if (group != null) { coordinators.removeAll(group.getExamCoordinatorsSet()); } Collections.sort(coordinators, new BeanComparator("person.name")); return coordinators; } @Override public Converter getConverter() { return new DomainObjectKeyArrayConverter(); } }