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 structkeyexists 021 */ 022package lucee.runtime.functions.arrays; 023 024import lucee.runtime.PageContext; 025import lucee.runtime.config.NullSupportHelper; 026import lucee.runtime.exp.PageException; 027import lucee.runtime.functions.BIF; 028import lucee.runtime.op.Caster; 029import lucee.runtime.type.Array; 030 031public final class ArrayIndexExists extends BIF { 032 033 private static final long serialVersionUID = -4490011932571314711L; 034 035 public static boolean call(PageContext pc , Array array, double index) { 036 return array.get((int)index,NullSupportHelper.NULL())!=NullSupportHelper.NULL(); 037 } 038 039 @Override 040 public Object invoke(PageContext pc, Object[] args) throws PageException { 041 return call(pc,Caster.toArray(args[0]),Caster.toDoubleValue(args[1])); 042 } 043}