/* * JBoss, Home of Professional Open Source * Copyright 2013, Red Hat, Inc. and individual contributors * by the @authors tag. See the copyright.txt in the distribution for a * full listing of individual contributors. * * This 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 2.1 of * the License, or (at your option) any later version. * * This software 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 this software; if not, write to the Free * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA * 02110-1301 USA, or see the FSF site: http://www.fsf.org. */ package org.richfaces.demo.input.picklist; import javax.faces.application.FacesMessage; import javax.faces.component.UIComponent; import javax.faces.context.FacesContext; import javax.faces.validator.FacesValidator; import javax.faces.validator.Validator; import javax.faces.validator.ValidatorException; import javax.swing.text.html.parser.Entity; import java.util.List; /** * @author <a href="http://community.jboss.org/people/bleathem">Brian Leathem</a> */ @FacesValidator("EntityBeanValidator") public class EntityBeanValidator implements Validator { public void validate(FacesContext context, UIComponent component, Object value) throws ValidatorException { if (value == null) { return; } List<EntityBean> beans = (List) value; for (EntityBean bean : beans) { Integer integer = Integer.parseInt(bean.getValue()); if (integer % 2 != 0) { FacesMessage msg = new FacesMessage("Only even values allowed"); throw new ValidatorException(msg); } } } }