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 structkeylist 021 */ 022package lucee.runtime.functions.struct; 023 024import java.util.Iterator; 025 026import lucee.runtime.PageContext; 027import lucee.runtime.exp.PageException; 028import lucee.runtime.functions.BIF; 029import lucee.runtime.op.Caster; 030import lucee.runtime.type.Collection.Key; 031import lucee.runtime.type.Struct; 032 033public final class StructKeyList extends BIF { 034 035 private static final long serialVersionUID = 6256709521354910213L; 036 037 public static String call(PageContext pc , Struct struct) { 038 return call(pc,struct,",");//KeyImpl.toUpperCaseList(struct.keys(), ","); 039 } 040 public static String call(PageContext pc , Struct struct, String delimiter) { 041 //return KeyImpl.toList(CollectionUtil.keys(struct), delimiter); 042 043 if(struct==null) return ""; 044 Iterator<Key> it = struct.keyIterator(); 045 046 // first 047 if(!it.hasNext()) return ""; 048 StringBuilder sb=new StringBuilder(); 049 sb.append(it.next().getString()); 050 051 // rest 052 if(delimiter.length()==1) { 053 char c=delimiter.charAt(0); 054 while(it.hasNext()){ 055 sb.append(c); 056 sb.append(it.next().getString()); 057 } 058 } 059 else { 060 while(it.hasNext()){ 061 sb.append(delimiter); 062 sb.append(it.next().getString()); 063 } 064 } 065 066 return sb.toString(); 067 } 068 069 @Override 070 public Object invoke(PageContext pc, Object[] args) throws PageException { 071 if(args.length==2) return call(pc,Caster.toStruct(args[0]),Caster.toString(args[1])); 072 return call(pc,Caster.toStruct(args[0])); 073 } 074}