LanguageSpace.java

/**
 * Copyright (C) 2009 eXo Platform SAS.
 *
 * This 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 software 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.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */
package org.exoplatform.portal.mop.i18n;

import java.util.Map;

import org.chromattic.api.annotations.Create;
import org.chromattic.api.annotations.OneToMany;
import org.chromattic.api.annotations.PrimaryType;

/**
 * @author <a href="mailto:khoi.nguyen@exoplatform.com">Nguyen Duc Khoi</a>
 * Apr 15, 2011
 */

/**
 * A bare node container for language entries
 */
@PrimaryType(name = "gtn:languages")
public abstract class LanguageSpace {

    @Create
    public abstract Language createLanguage();

    @OneToMany
    public abstract Map<String, Language> getChildren();

    protected <E> E getLanguage(Class<E> mixinType, String locale, boolean create) {
        Language language;
        Map<String, Language> children = getChildren();
        if (children.containsKey(locale)) {
            language = children.get(locale);
        } else if (create) {
            language = createLanguage();
            children.put(locale, language);
        } else {
            return null;
        }

        //
        return language.getMixin(mixinType, create);
    }
}