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.international;
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.i18n.LocaleFactory;
034import lucee.runtime.op.Caster;
035import lucee.runtime.type.dt.DateTime;
036
037public final class LSDayOfWeek extends BIF {
038        
039        private static final long serialVersionUID = -9002250869621547151L;
040
041        public static double call(PageContext pc , DateTime date) {
042                return _call(pc, date, pc.getLocale(),pc.getTimeZone());
043        }
044        
045        public static double call(PageContext pc , DateTime date, String strLocale) throws ExpressionException {
046                return _call(pc, date, LocaleFactory.getLocale(strLocale),pc.getTimeZone());
047        }
048        
049        public static double call(PageContext pc , DateTime date, String strLocale, String strTimezone) throws ExpressionException {
050                return _call(pc, date, 
051                                strLocale==null?pc.getLocale():LocaleFactory.getLocale(strLocale), 
052                                strTimezone==null?pc.getTimeZone():TimeZoneUtil.toTimeZone(strTimezone));
053        }
054        
055        @Override
056        public Object invoke(PageContext pc, Object[] args) throws PageException {
057                if(args.length==1)return call(pc,Caster.toDatetime(args[0],pc.getTimeZone()));
058                if(args.length==2)return call(pc,Caster.toDatetime(args[0],pc.getTimeZone()),Caster.toString(args[1]));
059                return call(pc,Caster.toDatetime(args[0],pc.getTimeZone()),Caster.toString(args[1]),Caster.toString(args[2]));
060        }
061
062        private static double _call(PageContext pc , DateTime date,Locale locale,TimeZone tz) {
063                return DateTimeUtil.getInstance().getDayOfWeek(locale,tz, date);
064        }
065}