/* Jug Management is a web application conceived to manage user groups or
* communities focused on a certain domain of knowledge, whose members are
* constantly sharing information and participating in social and educational
* events. Copyright (C) 2011 Ceara Java User Group - CEJUG.
*
* This application 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 application 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.
*
* There is a full copy of the GNU Lesser General Public License along with
* this library. Look for the file license.txt at the root level. If you do not
* find it, write to the Free Software Foundation, Inc., 59 Temple Place,
* Suite 330, Boston, MA 02111-1307 USA.
* */
package org.cejug.yougi.business;
import java.util.List;
import javax.ejb.LocalBean;
import javax.ejb.Stateless;
import javax.persistence.EntityManager;
import javax.persistence.PersistenceContext;
import org.cejug.yougi.entity.Language;
/**
*
* @author Hildeberto Mendonca
*/
@Stateless
@LocalBean
public class LanguageBsn {
@PersistenceContext
private EntityManager em;
public Language findLanguage(String acronym) {
return em.find(Language.class, acronym);
}
@SuppressWarnings("unchecked")
public List<Language> findLanguages() {
return em.createQuery("select l from Language l order by l.name asc").getResultList();
}
public void save(Language language) {
if(language.getAcronym() == null || language.getAcronym().isEmpty()) {
language.setAcronym(Language.DEFAULT_LANGUAGE);
em.persist(language);
}
else {
em.merge(language);
}
}
public void remove(String acronym) {
Language language = em.find(Language.class, acronym);
if(language != null) {
em.remove(language);
}
}
}