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 **/
019
020package lucee.runtime.functions.other;
021
022
023import lucee.runtime.PageContext;
024import lucee.runtime.ext.function.Function;
025
026import org.safehaus.uuid.UUIDGenerator;
027
028/**
029 * Implements the CFML Function createuuid
030 */
031public final class CreateUUID implements Function {
032        private static UUIDGenerator generator = UUIDGenerator.getInstance();
033        
034        /**
035     * method to invoke the function
036         * @param pc
037         * @return UUID String
038         */
039        public static String call(PageContext pc ) {
040                return invoke();
041        }
042        public static String invoke() {
043                String uuid = generator.generateRandomBasedUUID().toString().toUpperCase();
044        return new StringBuilder(uuid.substring(0,23)).append(uuid.substring(24)).toString();
045        }
046}