DateConverter.java

/*
 *
 *  * RHQ Management Platform
 *  * Copyright (C) 2005-2012 Red Hat, Inc.
 *  * All rights reserved.
 *  *
 *  * This program is free software; you can redistribute it and/or modify
 *  * it under the terms of the GNU General Public License as published by
 *  * the Free Software Foundation version 2 of the License.
 *  *
 *  * This program 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 General Public License for more details.
 *  *
 *  * You should have received a copy of the GNU General Public License
 *  * along with this program; if not, write to the Free Software
 *  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 *
 */

package org.rhq.enterprise.server.rest.reporting;

/**
 * @author John Sanda
 */
class DateConverter<T> implements PropertyConverter<T> {

    private PropertyConverter<T> simpleConverter = new SimpleConverter<T>();

    @Override
    public Object convert(T object, String propertyName) {
        Long epochMillis = (Long) simpleConverter.convert(object, propertyName);
        if (epochMillis == null) {
            return null;
        }
        return ReportFormatHelper.formatDateTime(epochMillis);
    }
}