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 dayofweek
021 */
022package lucee.runtime.functions.dateTime;
023
024import java.util.Locale;
025import java.util.TimeZone;
026
027import lucee.commons.date.DateTimeUtil;
028import lucee.commons.date.TimeZoneUtil;
029import lucee.runtime.PageContext;
030import lucee.runtime.exp.ExpressionException;
031import lucee.runtime.exp.PageException;
032import lucee.runtime.functions.BIF;
033import lucee.runtime.op.Caster;
034import lucee.runtime.type.dt.DateTime;
035
036public final class DayOfWeek extends BIF {
037
038        private static final long serialVersionUID = 8025414014490122478L;
039
040        public static double call(PageContext pc , DateTime date) {
041                return _call(pc, date, pc.getTimeZone());
042        }
043        
044        public static double call(PageContext pc , DateTime date, String strTimezone) throws ExpressionException {
045                return _call(pc, date, strTimezone==null?pc.getTimeZone():TimeZoneUtil.toTimeZone(strTimezone));
046        }
047
048        private static double _call(PageContext pc , DateTime date,TimeZone tz) {
049                return DateTimeUtil.getInstance().getDayOfWeek(Locale.US,tz, date);
050        }
051        
052        @Override
053        public Object invoke(PageContext pc, Object[] args) throws PageException {
054                if(args.length==1)return call(pc,Caster.toDatetime(args[0],pc.getTimeZone()));
055                return call(pc,Caster.toDatetime(args[0],pc.getTimeZone()),Caster.toString(args[1]));
056        }
057}