001/**
002 *
003 * Copyright (c) 2014, the Railo Company Ltd. All rights reserved.
004 *
005 * This library is free software; you can redistribute it and/or
006 * modify it under the terms of the GNU Lesser General Public
007 * License as published by the Free Software Foundation; either 
008 * version 2.1 of the License, or (at your option) any later version.
009 * 
010 * This library is distributed in the hope that it will be useful,
011 * but WITHOUT ANY WARRANTY; without even the implied warranty of
012 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
013 * Lesser General Public License for more details.
014 * 
015 * You should have received a copy of the GNU Lesser General Public 
016 * License along with this library.  If not, see <http://www.gnu.org/licenses/>.
017 * 
018 **/
019package lucee.commons.lang;
020
021public class IDGenerator {
022        
023        private static int id;
024
025        public static synchronized int intId(){
026                id++;
027                if(id==Integer.MAX_VALUE) id=0;
028                return id;
029        }
030        public static synchronized String stringId(){
031                return new StringBuilder("id-").append(StringUtil.addZeros(intId(), 20)).toString();
032        }
033}