Java tutorial
/* * This file is part of LibrePlan * * Copyright (C) 2009-2010 Fundacin para o Fomento da Calidade Industrial e * Desenvolvemento Tecnolxico de Galicia * Copyright (C) 2010-2012 Igalia, S.L. * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU Affero General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * 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/>. */ package org.libreplan.web.users.hierarchy; import static org.libreplan.web.I18nHelper._; import static org.libreplan.business.common.exceptions.ValidationException.invalidValue; import java.util.List; import org.apache.commons.lang.Validate; import org.joda.time.LocalDate; import org.libreplan.business.common.exceptions.InstanceNotFoundException; import org.libreplan.business.common.exceptions.ValidationException; import org.libreplan.business.departments.daos.IDepartmentDAO; import org.libreplan.business.users.daos.IUserDAO; import org.libreplan.business.users.daos.IUserSuperiorDAO; import org.libreplan.business.users.entities.User; import org.libreplan.business.users.entities.UserSuperior; import org.libreplan.web.common.concurrentdetection.OnConcurrentModification; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.beans.factory.config.BeanDefinition; import org.springframework.context.annotation.Scope; import org.springframework.stereotype.Service; import org.springframework.transaction.annotation.Transactional; /* * Model for UI operations related to {@link UserSuperior} * * @author Dergen Lee */ @Service @Scope(BeanDefinition.SCOPE_PROTOTYPE) @OnConcurrentModification(goToPage = "/userSuperior/superior.zul") public class UserSuperiorModel implements IUserSuperiorModel { private UserSuperior superior; @Autowired private IUserSuperiorDAO userSuperiorDAO; @Autowired private IUserDAO userDAO; @Autowired private IDepartmentDAO departmentDAO; @Override @Transactional public void confirmDelete(UserSuperior superior) { try { userSuperiorDAO.remove(superior.getId()); } catch (InstanceNotFoundException e) { throw new RuntimeException(e); } } @Override public UserSuperior getUserSuperior() { return superior; } @Override @Transactional public void confirmSave() throws ValidationException { save(superior); } @Override @Transactional public void save(UserSuperior uh) { validate(superior); userSuperiorDAO.save(uh); userSuperiorDAO.flush(); } private void validate(UserSuperior superior) { User sup = superior.getSuperior(); if (sup == null) { throw new ValidationException( invalidValue(_("Superior cannot be empty"), "name", superior.getId(), superior)); } User user = superior.getUser(); if (userSuperiorDAO.isSuperior(user, sup, superior.getFromDate())) { throw new ValidationException(invalidValue(_("{0} is superior of {1}, cannot be subordinate of {1}", user.getFullName(), sup.getFullName()), "superior", sup.getId(), superior)); } } @Override public void initCreate(User user) { superior = UserSuperior.create(); superior.setUser(user); superior.setFromDate(LocalDate.now()); } @Override @Transactional(readOnly = true) public void initEdit(UserSuperior superior) { Validate.notNull(superior); this.superior = getFromDB(superior); } private UserSuperior getFromDB(UserSuperior superior) { if (!superior.isNewObject()) { try { return userSuperiorDAO.find(superior.getId()); } catch (InstanceNotFoundException e) { e.printStackTrace(); throw new RuntimeException(e); } } return superior; } /* * @Override * * @Transactional(readOnly = true) public List<UserSuperior> * getUserHierachies() { return userSuperiorDAO.list(UserSuperior.class); * } */ @Override public UserSuperior findUserSuperior(User user) { return findUserSuperior(user, LocalDate.now()); } @Override @Transactional public UserSuperior findUserSuperior(User user, LocalDate date) { return userSuperiorDAO.findByUser(user, date); } @Override @Transactional public List<UserSuperior> getSuperiorHistories(User user) { return userSuperiorDAO.getSuperiorHistories(user); } }