SystemUtils.java

/**
 * This program 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 3 of the License, or
 * (at your option) any later version.
 *
 *  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 Lesser General Public License
 *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
 * 
 * @author Gabriel Roldan (OpenGeo) 2010
 *  
 */
package org.geowebcache.diskquota.storage;

import org.springframework.util.Assert;

public class SystemUtils {

    private static SystemUtils INSTANCE = new SystemUtils();

    public static void set(SystemUtils instance) {
        Assert.notNull(instance);
        INSTANCE = instance;
    }

    public static SystemUtils get() {
        return INSTANCE;
    }

    public long currentTimeMillis() {
        return System.currentTimeMillis();
    }

    public int currentTimeMinutes() {
        return (int) (currentTimeMillis() / 1000 / 60);
    }
}