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 reverse 021 */ 022package lucee.runtime.functions.string; 023 024import lucee.runtime.PageContext; 025import lucee.runtime.exp.FunctionException; 026import lucee.runtime.exp.PageException; 027import lucee.runtime.functions.BIF; 028import lucee.runtime.op.Caster; 029 030public final class Reverse extends BIF { 031 032 private static final long serialVersionUID = 7810003809895120054L; 033 034 public static String call(PageContext pc , String string) { 035 return new StringBuilder(string).reverse().toString(); 036 } 037 038 @Override 039 public Object invoke(PageContext pc, Object[] args) throws PageException { 040 if(args.length==1) 041 return call(pc, Caster.toString(args[0])); 042 043 throw new FunctionException(pc, "Reverse", 1, 1, args.length); 044 } 045}