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.arrays;
020
021
022import lucee.runtime.PageContext;
023import lucee.runtime.exp.ExpressionException;
024import lucee.runtime.exp.PageException;
025import lucee.runtime.functions.BIF;
026import lucee.runtime.op.Caster;
027import lucee.runtime.type.Array;
028
029public final class ArrayLast extends BIF {
030
031        private static final long serialVersionUID = -2378677202092684813L;
032
033        public static Object call(PageContext pc , Array array) throws PageException {
034        if(array.size()==0) throw new ExpressionException("Cannot return last element of array; array is empty");
035        return array.getE(array.size());
036    }
037        
038        @Override
039        public Object invoke(PageContext pc, Object[] args) throws PageException {
040                return call(pc,Caster.toArray(args[0]));
041        }
042    
043}