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 listinsertat 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.ListUtil; 031 032public final class ListInsertAt extends BIF { 033 034 private static final long serialVersionUID = 2796195727971683118L; 035 036 public static String call(PageContext pc , String list, double posNumber, String value) throws ExpressionException { 037 return call(pc,list,posNumber,value,",",false); 038 } 039 040 public static String call(PageContext pc , String list, double posNumber, String value, String strDelimiter) throws ExpressionException { 041 return call(pc,list,posNumber,value,strDelimiter,false); 042 } 043 044 public static String call(PageContext pc , String list, double posNumber, String value, String strDelimiter, boolean includeEmptyFields) throws ExpressionException { 045 if(strDelimiter.length()==0) 046 throw new FunctionException(pc,"listInsertAt",4,"delimiter","invalid delimiter value, can't be a empty string"); 047 048 return ListUtil.listInsertAt(list,(int)posNumber,value,strDelimiter,!includeEmptyFields); 049 } 050 051 @Override 052 public Object invoke(PageContext pc, Object[] args) throws PageException { 053 if(args.length==3) 054 return call(pc, Caster.toString(args[0]), Caster.toDoubleValue(args[1]), Caster.toString(args[2])); 055 if(args.length==4) 056 return call(pc, Caster.toString(args[0]), Caster.toDoubleValue(args[1]), Caster.toString(args[2]), Caster.toString(args[3])); 057 if(args.length==5) 058 return call(pc, Caster.toString(args[0]), Caster.toDoubleValue(args[1]), Caster.toString(args[2]), Caster.toString(args[3]), Caster.toBooleanValue(args[4])); 059 060 throw new FunctionException(pc, "ListInsertAt", 3, 5, args.length); 061 } 062}