Java tutorial
/** * TNTConcept Easy Enterprise Management by Autentia Real Bussiness Solution S.L. * Copyright (C) 2007 Autentia Real Bussiness Solution S.L. * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License. * * 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 General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ package com.autentia.tnt.manager.contacts; import com.autentia.tnt.businessobject.Contact; import java.util.ArrayList; import java.util.Date; import java.util.List; import org.apache.commons.lang.StringUtils; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import com.autentia.tnt.businessobject.Position; import com.autentia.tnt.businessobject.PositionChange; import com.autentia.tnt.businessobject.Tag; import com.autentia.tnt.dao.SortCriteria; import com.autentia.tnt.dao.hibernate.ContactDAO; import com.autentia.tnt.dao.hibernate.PositionDAO; import com.autentia.tnt.dao.search.PositionSearch; import com.autentia.tnt.manager.security.AuthenticationManager; import com.autentia.tnt.tracking.EntityChange; import com.autentia.tnt.tracking.hibernate.dao.EntityChangeDAO; import com.autentia.tnt.util.SpringUtils; public class PositionManager { public static final String FIELD_NAME = "position.name"; public static final String FIELD_DESCRIPTION = "position.description"; public static final String FIELD_TAGS = "position.tags"; /* Position - generated by stajanov (do not edit/delete) */ /** Logger */ private static final Log log = LogFactory.getLog(PositionManager.class); private static final String FIELD_EMAIL = "position.email"; private static final String FIELD_PHONE = "position.phone"; private static final String FIELD_FAX = "position.fax"; private static final String FIELD_COUNTRY = "position.country"; private static final String FIELD_POSTALCODE = "position.postalCode"; private static final String FIELD_ADDRESS = "position.address"; private static final String FIELD_CITY = "position.city"; private static final String FIELD_PROVINCE = "position.province"; /** Position DAO **/ private PositionDAO positionDAO; private ContactDAO contactDAO; public void setContactDAO(ContactDAO contactDAO) { this.contactDAO = contactDAO; } /** * AutheticationManager required for tracking injected by Spring */ private AuthenticationManager authManager; public AuthenticationManager getAuthManager() { return authManager; } public void setAuthManager(AuthenticationManager authManager) { this.authManager = authManager; } /** * Get default PositionManager as defined in Spring's configuration file. * * @return the default singleton PositionManager */ public static PositionManager getDefault() { return (PositionManager) SpringUtils.getSpringBean("managerPosition"); } /** * Empty constructor needed by CGLIB (Spring AOP) */ protected PositionManager() { } /** * Default constructor * * @deprecated do not construct managers alone: use Spring's declared beans */ public PositionManager(PositionDAO positionDAO) { this.positionDAO = positionDAO; } /** * List positions. * * @param search search filter to apply * @param sort sorting criteria * @return the list of all positions sorted by requested criterion */ public List<Position> getAllEntities(PositionSearch search, SortCriteria sort) { return positionDAO.search(search, sort); } /** * Get position by primary key. * * @return position selected by id. */ public Position getEntityById(int id) { Position position = positionDAO.getById(id); position.initChanges(); return position; } /** * Insert position. */ public void insertEntity(Position position) { positionDAO.insert(position); } /** * Update position. */ public void updateEntity(Position position) { // get changes for history Position changes = position.getChanges(); // update the entity positionDAO.update(position); // tracking entity changes Position positionHibSession = positionDAO.getById(position.getId()); positionHibSession.setChanges(changes); this.trackEntityChanges(positionHibSession); } /** * Delete position. */ public void deleteEntity(Position position) { positionDAO.delete(position); } /* Position - generated by stajanov (do not edit/delete) */ /** * Mira los campos de la entidad a ver si se han producido cambios * * @return true si se produjo algun cambio */ private boolean trackEntityChanges(Position position) { int previousHistorySize = position.getHistory().size(); int finalHistorySize = previousHistorySize; final Position changes = position.getChanges(); // TODO podra ser por reflexion para obtener los atributos persistentes? if (changes != null) { if (changes.getName() != null && !changes.getName().equals(position.getName())) { position.getHistory().add(getChange(position, FIELD_NAME, changes.getName(), position.getName())); this.trackContactChanges(position); } position.getHistory().add( getChange(position, FIELD_DESCRIPTION, changes.getDescription(), position.getDescription())); position.getHistory().add(getChange(position, FIELD_EMAIL, changes.getEmail(), position.getEmail())); position.getHistory().add(getChange(position, FIELD_PHONE, changes.getPhone(), position.getPhone())); position.getHistory().add(getChange(position, FIELD_FAX, changes.getFax(), position.getFax())); position.getHistory() .add(getChange(position, FIELD_COUNTRY, changes.getCountry(), position.getCountry())); position.getHistory() .add(getChange(position, FIELD_POSTALCODE, changes.getPostalCode(), position.getPostalCode())); position.getHistory() .add(getChange(position, FIELD_ADDRESS, changes.getAddress(), position.getAddress())); position.getHistory().add(getChange(position, FIELD_CITY, changes.getCity(), position.getCity())); position.getHistory().add(getProvinceChange(position)); position.getHistory().addAll(getPositionTagChanges(position)); finalHistorySize = position.getHistory().size(); } // if has changes previousHistorySize != finalHistorySize return previousHistorySize != finalHistorySize; } private PositionChange getProvinceChange(Position position) { String previous = ""; String now = ""; Position changes = position.getChanges(); // no vamos a compara la entidad (su ID) vamos a hacerlo // por el nombre de la provincia, ya que aunque sea la misma entidad (mismo ID) // si durante la edicin del puesto ha cambiado el nombre de la entidad // no est de ms reflejarlo if (changes.getProvince() != null) { previous = StringUtils.defaultIfEmpty(changes.getProvince().getName(), ""); } if (position.getProvince() != null) { now = StringUtils.defaultIfEmpty(position.getProvince().getName(), ""); } return getChange(position, FIELD_PROVINCE, previous, now); } public PositionChange getChange(Position position, String field, String oldValue, String newValue) { PositionChange change = null; if (!StringUtils.equals(oldValue, newValue)) { oldValue = StringUtils.defaultIfEmpty(oldValue, ""); newValue = StringUtils.defaultIfEmpty(newValue, ""); change = new PositionChange(); change.setField(field); change.setOldValue(oldValue); change.setNewValue(newValue); change.setPosition(position); change.setUser(authManager.getCurrentPrincipal().getUser()); change.setInsertDate(new Date()); } return change; } private List<PositionChange> getPositionTagChanges(Position position) { final List<PositionChange> changes = new ArrayList<PositionChange>(); for (Tag tag : position.getTags()) { if (!position.getChanges().getTags().contains(tag)) { changes.add(getChange(position, FIELD_TAGS, "", tag.getName())); } } for (Tag tag : position.getChanges().getTags()) { if (!position.getTags().contains(tag)) { changes.add(getChange(position, FIELD_TAGS, tag.getName(), "")); } } return changes; } private void trackContactChanges(Position position) { if (!position.getName().equals(position.getChanges().getName())) { final List<Contact> contacts = positionDAO.getContactsForPosition(position); for (Contact contact : contacts) { contact.addEntityChange(Contact.FIELD_POSITION, position.getChanges().getName(), position.getName(), position.getId().toString()); contactDAO.update(contact); } } } }