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 listtoarray 021 */ 022package lucee.runtime.functions.list; 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; 029import lucee.runtime.type.Array; 030import lucee.runtime.type.util.ListUtil; 031 032public final class ListItemTrim extends BIF { 033 034 private static final long serialVersionUID = -2254266180423759499L; 035 036 public static String call(PageContext pc , String list) throws PageException { 037 return call(pc,list,",",false); 038 } 039 public static String call(PageContext pc , String list, String delimiter) throws PageException { 040 return call(pc,list,delimiter,false); 041 } 042 043 public static String call(PageContext pc , String list, String delimiter,boolean includeEmptyFields) throws PageException { 044 if(list.length()==0) return ""; 045 Array arr = includeEmptyFields?ListUtil.listToArray(list,delimiter):ListUtil.listToArrayRemoveEmpty(list,delimiter); 046 return ListUtil.arrayToList(ListUtil.trimItems(arr),delimiter); 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, "ListItemTrim", 1, 3, args.length); 059 } 060}