001/*
002 * This library is part of OpenCms -
003 * the Open Source Content Management System
004 *
005 * Copyright (c) Alkacon Software GmbH & Co. KG (http://www.alkacon.com)
006 *
007 * This library is free software; you can redistribute it and/or
008 * modify it under the terms of the GNU Lesser General Public
009 * License as published by the Free Software Foundation; either
010 * version 2.1 of the License, or (at your option) any later version.
011 *
012 * This library is distributed in the hope that it will be useful,
013 * but WITHOUT ANY WARRANTY; without even the implied warranty of
014 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
015 * Lesser General Public License for more details.
016 *
017 * For further information about Alkacon Software GmbH & Co. KG, please see the
018 * company website: http://www.alkacon.com
019 *
020 * For further information about OpenCms, please see the
021 * project website: http://www.opencms.org
022 *
023 * You should have received a copy of the GNU Lesser General Public
024 * License along with this library; if not, write to the Free Software
025 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
026 */
027
028package org.opencms.workplace.list;
029
030import java.text.DateFormat;
031import java.util.Date;
032import java.util.Locale;
033
034/**
035 * Simple formatter for time.<p>
036 *
037 * @since 6.0.0
038 */
039public class CmsListTimeFormatter implements I_CmsListFormatter {
040
041    /** Time style. */
042    private int m_timeStyle;
043
044    /**
045     * Default constructor.<p>
046     *
047     * Use medium style.<p>
048     */
049    public CmsListTimeFormatter() {
050
051        m_timeStyle = DateFormat.MEDIUM;
052    }
053
054    /**
055     * Customizable constructor.<p>
056     *
057     * @param timeStyle the style for the time part
058     *
059     * @see DateFormat
060     */
061    public CmsListTimeFormatter(int timeStyle) {
062
063        m_timeStyle = timeStyle;
064    }
065
066    /**
067     * @see org.opencms.workplace.list.I_CmsListFormatter#format(java.lang.Object, java.util.Locale)
068     */
069    public String format(Object data, Locale locale) {
070
071        if ((data == null) || !(data instanceof Date)) {
072            return "";
073        }
074        DateFormat timeFormat = DateFormat.getTimeInstance(m_timeStyle);
075        return timeFormat.format(data);
076    }
077}