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/**
020 * Implements the CFML Function dateconvert
021 */
022package lucee.runtime.functions.dateTime;
023
024import lucee.runtime.PageContext;
025import lucee.runtime.exp.ExpressionException;
026import lucee.runtime.ext.function.Function;
027import lucee.runtime.type.dt.DateTime;
028import lucee.runtime.type.dt.DateTimeImpl;
029
030public final class DateConvert implements Function {
031        public static DateTime call(PageContext pc , String conversionType, DateTime date) throws ExpressionException {
032                int offset = pc.getTimeZone().getOffset(date.getTime());
033                conversionType=conversionType.toLowerCase();
034                
035                if(conversionType.equals("local2utc")) {
036                        return new DateTimeImpl(pc,date.getTime()-offset,false);
037                }
038                else if(conversionType.equals("utc2local")) {
039                        return new DateTimeImpl(pc,date.getTime()+offset,false);
040                }               
041                throw new ExpressionException("invalid conversion-type ["+conversionType+"] for function dateConvert");
042        }
043}