org.openmeetings.app.data.basic.FieldLanguageDaoImpl.java Source code

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Here is the source code for org.openmeetings.app.data.basic.FieldLanguageDaoImpl.java

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/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License") +  you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.openmeetings.app.data.basic;

import java.util.Date;
import java.util.List;

import javax.persistence.EntityManager;
import javax.persistence.NoResultException;
import javax.persistence.PersistenceContext;
import javax.persistence.TypedQuery;

import org.openmeetings.app.OpenmeetingsVariables;
import org.openmeetings.app.persistence.beans.lang.FieldLanguage;
import org.red5.logging.Red5LoggerFactory;
import org.slf4j.Logger;
import org.springframework.transaction.annotation.Transactional;

/**
 * 
 * @author sebastianwagner
 * 
 */
@Transactional
public class FieldLanguageDaoImpl {

    private static final Logger log = Red5LoggerFactory.getLogger(FieldLanguageDaoImpl.class,
            OpenmeetingsVariables.webAppRootKey);

    @PersistenceContext
    private EntityManager em;

    public Long addLanguage(String langName, Boolean langRtl, String code) {
        try {

            FieldLanguage fl = new FieldLanguage();
            fl.setStarttime(new Date());
            fl.setDeleted("false");
            fl.setName(langName);
            fl.setRtl(langRtl);
            fl.setCode(code);

            fl = em.merge(fl);
            Long languages_id = fl.getLanguage_id();

            return languages_id;
        } catch (Exception ex2) {
            log.error("[addLanguage]: ", ex2);
        }
        return null;
    }

    public void emptyFieldLanguage() {
        try {

            // TODO delete hql query doesn't work, must be repared
            em.createQuery("delete from FieldLanguage");
        } catch (Exception ex2) {
            log.error("[getConfKey]: ", ex2);
        }
    }

    public Long updateFieldLanguage(Long language_id, String langName, String code, String deleted) {
        try {
            FieldLanguage fl = this.getFieldLanguageById(language_id);
            fl.setUpdatetime(new Date());
            if (langName.length() > 0)
                fl.setName(langName);
            if (code.length() > 0)
                fl.setCode(code);
            fl.setDeleted(deleted);
            this.updateLanguage(fl);
            return language_id;
        } catch (Exception ex2) {
            log.error("[updateLanguage]: ", ex2);
        }
        return new Long(-1);
    }

    private void updateLanguage(FieldLanguage fl) throws Exception {
        if (fl.getLanguage_id() == null) {
            em.persist(fl);
        } else {
            if (!em.contains(fl)) {
                em.merge(fl);
            }
        }
    }

    public FieldLanguage getFieldLanguageById(Long language_id) {
        try {
            String hql = "select c from FieldLanguage as c " + "WHERE c.deleted <> :deleted "
                    + "AND c.language_id = :language_id";
            TypedQuery<FieldLanguage> query = em.createQuery(hql, FieldLanguage.class);
            query.setParameter("deleted", "true");
            query.setParameter("language_id", language_id);
            FieldLanguage fl = null;
            try {
                fl = query.getSingleResult();
            } catch (NoResultException ex) {
            }
            return fl;
        } catch (Exception ex2) {
            log.error("[getLanguageById]: ", ex2);
        }
        return null;
    }

    public List<FieldLanguage> getLanguages() {
        try {
            String hql = "select c from FieldLanguage as c " + "WHERE c.deleted <> :deleted ";
            TypedQuery<FieldLanguage> query = em.createQuery(hql, FieldLanguage.class);
            query.setParameter("deleted", "true");
            List<FieldLanguage> ll = query.getResultList();
            return ll;
        } catch (Exception ex2) {
            log.error("[getLanguages]: ", ex2);
        }
        return null;
    }

}