Java tutorial
/* * Copyright (c) 2012 Brown Bag Consulting. * This file is part of the ExpressUI project. * Author: Juan Osuna * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU Affero General Public License Version 3 * as published by the Free Software Foundation with the addition of the * following permission added to Section 15 as permitted in Section 7(a): * FOR ANY PART OF THE COVERED WORK IN WHICH THE COPYRIGHT IS OWNED BY * Brown Bag Consulting, Brown Bag Consulting DISCLAIMS THE WARRANTY OF * NON INFRINGEMENT OF THIRD PARTY RIGHTS. * * This program 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 Affero General Public License for more details. * * You should have received a copy of the GNU Affero General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. * * The interactive user interfaces in modified source and object code versions * of this program must display Appropriate Legal Notices, as required under * Section 5 of the GNU Affero General Public License. * * You can be released from the requirements of the license by purchasing * a commercial license. Buying such a license is mandatory as soon as you * develop commercial activities involving the ExpressUI software without * disclosing the source code of your own applications. These activities * include: offering paid services to customers as an ASP, providing * services from a web application, shipping ExpressUI with a closed * source product. * * For more information, please contact Brown Bag Consulting at this * address: juan@brownbagconsulting.com. */ package com.expressui.core.dao.security; import com.expressui.core.dao.EntityDao; import com.expressui.core.entity.security.User; import org.springframework.stereotype.Repository; import javax.annotation.Resource; import javax.persistence.Query; import java.util.List; /** * User DAO. */ @Repository @SuppressWarnings({ "rawtypes", "unchecked" }) public class UserDao extends EntityDao<User, Long> { @Resource private UserRoleDao userRoleDao; /** * Finds all Users ordered by login name. * * @return all roles */ @Override public List<User> findAll() { Query query = getEntityManager().createQuery("SELECT u FROM User u ORDER BY u.loginName"); setReadOnly(query); return query.getResultList(); } /** * Finds User by login name. * * @param loginName login name to query * @return found user */ public User findByLoginName(String loginName) { Query query = getEntityManager().createQuery("SELECT u FROM User u " + " LEFT JOIN FETCH u.userRoles ur LEFT JOIN FETCH ur.role r LEFT JOIN FETCH r.permissions" + " WHERE u.loginName = :loginName"); query.setParameter("loginName", loginName); return (User) query.getSingleResult(); } }