com.netstorm.localization.unused.LocalizationInterceptor.java Source code

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Here is the source code for com.netstorm.localization.unused.LocalizationInterceptor.java

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/*
 *  Copyright 2010 demchuck.dima@gmail.com
 *
 *  Licensed 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 com.netstorm.localization.unused;

import java.io.Serializable;
import org.apache.log4j.Logger;
import org.hibernate.EmptyInterceptor;
import org.hibernate.Query;
import org.hibernate.Session;
import org.hibernate.type.Type;

/**
 *
 * @author demchuck.dima@gmail.com
 */
public class LocalizationInterceptor extends EmptyInterceptor {
    protected Logger logger = Logger.getLogger(getClass());

    private String locale;

    private Session sess;

    public LocalizationInterceptor(String locale) {
        this.locale = locale;
    }

    public void init(Session sess) {
        this.sess = sess;
    }

    @Override
    public boolean onLoad(Object entity, Serializable id, Object[] state, String[] propertyNames, Type[] types) {
        if (entity instanceof Localizable) {
            Localizable loc = ((Localizable) entity);
            loc.setLang(locale);
            Query query = sess.createQuery(
                    "from " + loc.getLocalizationEntityName() + " where lang = :lang and id_rel = :id_rel");
            query.setParameter("lang", locale);
            query.setParameter("id_rel", id);

            loc.setLocalizedContent(query.uniqueResult());
        }
        return false;
    }

    @Override
    public boolean onSave(Object entity, Serializable id, Object[] state, String[] propertyNames, Type[] types) {
        if (entity instanceof Localizable) {
            Localizable loc = ((Localizable) entity);
            sess.save(loc.getLocalizationEntityName(), loc.getLocalizedContent());
        }
        return false;
    }

}