001    /*
002     * 
003     * $Revision: 13085 $ $Date: 2008-02-06 18:27:24 +0100 (Mi, 06 Feb 2008) $
004     *
005     * This file is part of ***  M y C o R e  ***
006     * See http://www.mycore.de/ for details.
007     *
008     * This program is free software; you can use it, redistribute it
009     * and / or modify it under the terms of the GNU General Public License
010     * (GPL) as published by the Free Software Foundation; either version 2
011     * of the License or (at your option) any later version.
012     *
013     * This program is distributed in the hope that it will be useful, but
014     * WITHOUT ANY WARRANTY; without even the implied warranty of
015     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
016     * GNU General Public License for more details.
017     *
018     * You should have received a copy of the GNU General Public License
019     * along with this program, in a file called gpl.txt or license.txt.
020     * If not, write to the Free Software Foundation Inc.,
021     * 59 Temple Place - Suite 330, Boston, MA  02111-1307 USA
022     */
023    
024    package org.mycore.frontend.fileupload;
025    
026    import org.apache.log4j.Logger;
027    import org.mycore.common.MCRCache;
028    
029    /**
030     * @author Frank Lützenkirchen
031     * @author Harald Richter
032     * @author Jens Kupferschmidt
033     * 
034     * @version $Revision: 13085 $ $Date: 2008-02-06 18:27:24 +0100 (Mi, 06 Feb 2008) $
035     */
036    public class MCRUploadHandlerManager {
037        protected static MCRCache handlers = new MCRCache(100,"UploadHandlerManager UploadHandlers");
038    
039        private static Logger logger = Logger.getLogger(MCRUploadHandlerManager.class);
040    
041        static void register(MCRUploadHandler handler) {
042            logger.debug("Registered " + handler.getClass().getName() + " with upload ID " + handler.getID());
043            handlers.put(handler.getID(), handler);
044        }
045    
046        public static MCRUploadHandler getHandler(String uploadID) {
047            long yesterday = System.currentTimeMillis() - 86400000;
048    
049            return (MCRUploadHandler) (handlers.getIfUpToDate(uploadID, yesterday));
050        }
051    
052        public static void unregister(String uploadID) {
053            handlers.remove(uploadID);
054        }
055    }