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.list;
020
021import lucee.runtime.PageContext;
022import lucee.runtime.exp.FunctionException;
023import lucee.runtime.exp.PageException;
024import lucee.runtime.functions.BIF;
025import lucee.runtime.op.Caster;
026import lucee.runtime.type.util.ListUtil;
027
028/**
029 * Implements the CFML Function listlast
030 */
031public final class ListLast extends BIF {
032        
033        private static final long serialVersionUID = 2822477678831478329L;
034        
035        public static String call(PageContext pc , String list) {
036                return ListUtil.last(list,",",true);
037        }
038        public static String call(PageContext pc , String list, String delimiter) {
039                return ListUtil.last(list,delimiter,true);
040        }
041        public static String call(PageContext pc , String list, String delimiter, boolean includeEmptyFields) {
042                return ListUtil.last(list,delimiter,!includeEmptyFields);
043        }
044
045    @Override
046        public Object invoke(PageContext pc, Object[] args) throws PageException {
047        if(args.length==1)
048                        return call(pc, Caster.toString(args[0]));
049        if(args.length==2)
050                        return call(pc, Caster.toString(args[0]), Caster.toString(args[1]));
051        if(args.length==3)
052                        return call(pc, Caster.toString(args[0]), Caster.toString(args[1]), Caster.toBooleanValue(args[2]));
053        
054                throw new FunctionException(pc, "ListFirst", 1, 3, args.length);
055        }
056        
057}