/*
 * This library is part of OpenCms -
 * the Open Source Content Management System
 *
 * Copyright (c) Alkacon Software GmbH (http://www.alkacon.com)
 *
 * This library 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 library 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.
 *
 * For further information about Alkacon Software GmbH, please see the
 * company website: http://www.alkacon.com
 *
 * For further information about OpenCms, please see the
 * project website: http://www.opencms.org
 * 
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

package org.opencms.workplace.list;

import org.opencms.i18n.CmsMessageContainer;

import java.text.MessageFormat;
import java.util.Locale;

/**
 * This list formatter uses the <code>{@link MessageFormat}</code> class for macro like formatting.<p>
 * 
 * @since 6.0.0 
 */
public class CmsListMacroFormatter implements I_CmsListFormatter {

    /** pattern for <code>{@link MessageFormat}</code>. */
    private final CmsMessageContainer m_mask;

    /**
     * Default constructor that sets the mask to use.<p>
     * 
     * @param mask pattern for <code>{@link MessageFormat}</code>
     */
    public CmsListMacroFormatter(CmsMessageContainer mask) {

        m_mask = mask;
    }

    /**
     * @see org.opencms.workplace.list.I_CmsListFormatter#format(java.lang.Object, java.util.Locale)
     */
    public String format(Object data, Locale locale) {

        if (data == null) {
            return null;
        }
        String locMask = m_mask.key(locale);
        MessageFormat formatter = new MessageFormat(locMask, locale);
        return formatter.format(new Object[] {data});
    }

    /**
     * Returns the mask.<p>
     * 
     * @return the mask
     */
    public CmsMessageContainer getMask() {

        return m_mask;
    }
}