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 lsisdate 021 */ 022package lucee.runtime.functions.international; 023 024import java.util.Date; 025import java.util.Locale; 026import java.util.TimeZone; 027 028import lucee.commons.date.TimeZoneUtil; 029import lucee.runtime.PageContext; 030import lucee.runtime.exp.ExpressionException; 031import lucee.runtime.ext.function.Function; 032import lucee.runtime.i18n.LocaleFactory; 033import lucee.runtime.op.Decision; 034 035public final class LSIsDate implements Function { 036 037 private static final long serialVersionUID = -8517171925554806088L; 038 039 040 public static boolean call(PageContext pc , Object object) { 041 return call(pc, object, pc.getLocale(),pc.getTimeZone()); 042 } 043 044 public static boolean call(PageContext pc , Object object,String strLocale) throws ExpressionException { 045 return call(pc, object, LocaleFactory.getLocale(strLocale),pc.getTimeZone()); 046 } 047 public static boolean call(PageContext pc , Object object,String strLocale,String strTimezone) throws ExpressionException { 048 return call(pc, object, 049 strLocale==null?pc.getLocale():LocaleFactory.getLocale(strLocale), 050 strTimezone==null?pc.getTimeZone():TimeZoneUtil.toTimeZone(strTimezone)); 051 } 052 053 054 private static boolean call(PageContext pc , Object object,Locale locale,TimeZone tz) { 055 if(object instanceof Date) return true; 056 else if(object instanceof String) { 057 String str=object.toString(); 058 if(str.length()<2) return false; 059 //print.out(Caster.toDateTime(locale,str,pc.getTimeZone(),null)); 060 return Decision.isDate(str,locale,tz,locale.equals(Locale.US)); 061 //return Caster.toDateTime(locale,str,pc.getTimeZone(),null)!=null; 062 } 063 return false; 064 } 065 066}