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 arrayavg 021 */ 022package lucee.runtime.functions.list; 023 024import lucee.runtime.PageContext; 025import lucee.runtime.exp.ExpressionException; 026import lucee.runtime.exp.FunctionException; 027import lucee.runtime.exp.PageException; 028import lucee.runtime.functions.BIF; 029import lucee.runtime.op.Caster; 030import lucee.runtime.type.util.ArrayUtil; 031import lucee.runtime.type.util.ListUtil; 032 033 034public final class ListAvg extends BIF { 035 036 private static final long serialVersionUID = -7365055491706152507L; 037 038 public static double call(PageContext pc , String list) throws ExpressionException { 039 return call(pc,list,",",false); 040 } 041 public static double call(PageContext pc , String list, String delimiter) throws ExpressionException { 042 return call(pc, list, delimiter, false); 043 } 044 045 public static double call(PageContext pc , String list, String delimiter, boolean multiCharacterDelimiter) throws ExpressionException { 046 return ArrayUtil.avg(ListUtil.listToArray(list, delimiter,false, multiCharacterDelimiter)); 047 } 048 049 @Override 050 public Object invoke(PageContext pc, Object[] args) throws PageException { 051 if(args.length==1) 052 return call(pc, Caster.toString(args[0])); 053 if(args.length==2) 054 return call(pc, Caster.toString(args[0]), Caster.toString(args[1])); 055 if(args.length==3) 056 return call(pc, Caster.toString(args[0]), Caster.toString(args[1]), Caster.toBooleanValue(args[2])); 057 058 throw new FunctionException(pc, "ListAvg", 1, 3, args.length); 059 } 060}