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.choiceType.replacement.multiple; import net.sourceforge.fenixedu.domain.organizationalStructure.AccountabilityType; import org.apache.commons.collections.CollectionUtils; import org.apache.commons.collections.Predicate; import org.fenixedu.bennu.core.domain.Bennu; import pt.ist.fenixWebFramework.rendererExtensions.converters.DomainObjectKeyArrayConverter; import pt.ist.fenixWebFramework.renderers.DataProvider; import pt.ist.fenixWebFramework.renderers.components.converters.Converter; public class FunctionProvider implements DataProvider { @Override public Object provide(Object source, Object currentValue) { return CollectionUtils.select(Bennu.getInstance().getAccountabilityTypesSet(), new Predicate() { @Override public boolean evaluate(Object arg0) { return isFunction((AccountabilityType) arg0); } }); } @Override public Converter getConverter() { return new DomainObjectKeyArrayConverter(); } private boolean isFunction(final AccountabilityType type) { return type instanceof net.sourceforge.fenixedu.domain.organizationalStructure.Function; } }