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 listsort
021 */
022package lucee.runtime.functions.list;
023
024
025import lucee.runtime.PageContext;
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 ListSort extends BIF {
033        
034        private static final long serialVersionUID = -1153055612742304078L;
035        
036        public static String call(PageContext pc , String list, String sortType) throws PageException {
037                return call(pc,list,sortType,"asc",",",false);
038        }
039        public static String call(PageContext pc , String list, String sortType, String sortOrder) throws PageException {
040                return call(pc,list,sortType,sortOrder,",",false);
041        }
042        public static String call(PageContext pc , String list, String sortType, String sortOrder, String delimiter) throws PageException {
043                return call(pc,list,sortType,sortOrder,delimiter,false);
044        }
045        public static String call(PageContext pc , String list, String sortType, String sortOrder, String delimiter , boolean includeEmptyFields) throws PageException {
046                if(includeEmptyFields) return ListUtil.sort(list,sortType, sortOrder,delimiter);
047                return ListUtil.sortIgnoreEmpty(ListUtil.trim(list,delimiter),sortType, sortOrder,delimiter);
048        }
049
050    @Override
051        public Object invoke(PageContext pc, Object[] args) throws PageException {
052        if(args.length==2)
053                        return call(pc, Caster.toString(args[0]), Caster.toString(args[1]));
054        if(args.length==3)
055                        return call(pc, Caster.toString(args[0]), Caster.toString(args[1]), Caster.toString(args[2]));
056        if(args.length==4)
057                        return call(pc, Caster.toString(args[0]), Caster.toString(args[1]), Caster.toString(args[2]), Caster.toString(args[3]));
058        if(args.length==5)
059                        return call(pc, Caster.toString(args[0]), Caster.toString(args[1]), Caster.toString(args[2]), Caster.toString(args[3]), Caster.toBooleanValue(args[4]));
060        
061                throw new FunctionException(pc, "ListSort", 2, 5, args.length);
062        }
063}