/**
* Copyright (c) 2014, the Railo Company Ltd.
* Copyright (c) 2015, Lucee Assosication Switzerland
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*
*/
/**
* Implements the CFML Function lsisdate
*/
package lucee.runtime.functions.international;
import java.util.Date;
import java.util.Locale;
import java.util.TimeZone;
import lucee.runtime.PageContext;
import lucee.runtime.ext.function.Function;
import lucee.runtime.op.Decision;
public final class LSIsDate implements Function {
private static final long serialVersionUID = -8517171925554806088L;
public static boolean call(PageContext pc , Object object) {
return _call(pc, object, pc.getLocale(),pc.getTimeZone());
}
public static boolean call(PageContext pc , Object object,Locale locale) {
return _call(pc, object, locale,pc.getTimeZone());
}
public static boolean call(PageContext pc , Object object,Locale locale,TimeZone tz) {
return _call(pc, object,
locale==null?pc.getLocale():locale,
tz==null?pc.getTimeZone():tz);
}
private static boolean _call(PageContext pc , Object object,Locale locale,TimeZone tz) {
if(object instanceof Date) return true;
else if(object instanceof String) {
String str=object.toString();
if(str.length()<2) return false;
//print.out(Caster.toDateTime(locale,str,pc.getTimeZone(),null));
return Decision.isDate(str,locale,tz,locale.equals(Locale.US));
//return Caster.toDateTime(locale,str,pc.getTimeZone(),null)!=null;
}
return false;
}
}