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 **/ 019package lucee.runtime.functions.displayFormatting; 020 021import java.util.Locale; 022import java.util.TimeZone; 023 024import lucee.commons.date.TimeZoneUtil; 025import lucee.commons.lang.StringUtil; 026import lucee.runtime.PageContext; 027import lucee.runtime.engine.ThreadLocalPageContext; 028import lucee.runtime.exp.CasterException; 029import lucee.runtime.exp.PageException; 030import lucee.runtime.ext.function.Function; 031import lucee.runtime.functions.BIF; 032import lucee.runtime.op.Caster; 033import lucee.runtime.op.date.DateCaster; 034import lucee.runtime.type.dt.DateTime; 035 036/** 037 * Implements the CFML Function dateformat 038 */ 039public final class DateFormat extends BIF implements Function { 040 041 public static String call(PageContext pc , Object object) throws PageException { 042 return _call(pc,object,"dd-mmm-yy",ThreadLocalPageContext.getTimeZone(pc)); 043 } 044 public static String call(PageContext pc , Object object, String mask) throws PageException { 045 return _call(pc, object, mask, ThreadLocalPageContext.getTimeZone(pc)); 046 } 047 public static String call(PageContext pc , Object object, String mask,String strTimezone) throws PageException { 048 return _call(pc, object, mask, strTimezone==null?ThreadLocalPageContext.getTimeZone(pc):TimeZoneUtil.toTimeZone(strTimezone)); 049 } 050 051 @Override 052 public String invoke(PageContext pc, Object[] args) throws PageException { 053 if (args.length == 1) { 054 return call(pc, args[0]); 055 } else if (args.length == 2) { 056 return call(pc, args[0], Caster.toString(args[1])); 057 } else { 058 return call(pc, args[0], Caster.toString(args[1]), Caster.toString(args[2])); 059 } 060 } 061 062 private static String _call(PageContext pc , Object object, String mask,TimeZone tz) throws PageException { 063 Locale locale=Locale.US; 064 065 DateTime datetime = DateCaster.toDateAdvanced(object,tz,null); 066 //Caster.toDate(object,true,tz,null); 067 if(datetime==null) { 068 if(StringUtil.isEmpty(object,true)) return ""; 069 throw new CasterException(object,"datetime"); 070 //if(!Decision.isSimpleValue(object)) 071 // throw new ExpressionException("can't convert object of type "+Type.getName(object)+" to a datetime value"); 072 //throw new ExpressionException("can't convert value "+object+" to a datetime value"); 073 } 074 return new lucee.runtime.format.DateFormat(locale).format(datetime,mask,tz); 075 } 076}