/** * Copyright (C) 2011 JTalks.org Team * This library 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 library 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 library; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ package org.jtalks.jcommune.web.tags; import org.slf4j.Logger; import org.hibernate.ObjectNotFoundException; import org.jtalks.jcommune.model.entity.JCUser; import org.slf4j.LoggerFactory; /** * The class contains JSTL functions for the work with users. */ public class UsersUtil { private static final Logger LOGGER = LoggerFactory.getLogger(UsersUtil.class); /** * The function checks - there is a user or not. * * @param user a user, * @return there is a user or not. */ public static boolean isExists(JCUser user) { if (user != null) { try { return (user.getUsername() != null); } catch (ObjectNotFoundException ex) { LOGGER.warn("User does not exist.", ex); return false; } } return false; } }