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 **/
019package lucee.runtime.functions.image;
020
021import java.util.Arrays;
022import java.util.HashSet;
023
024import lucee.runtime.PageContext;
025import lucee.runtime.img.ImageUtil;
026import lucee.runtime.type.util.ListUtil;
027
028public class GetReadableImageFormats {
029
030        public static String call(PageContext pc) {
031                return format(ImageUtil.getReaderFormatNames());
032                
033        }
034
035        public static String format(String[] formats) {
036                HashSet set=new HashSet();
037                for(int i=0;i<formats.length;i++) {
038                        set.add(formats[i].toUpperCase());
039                }
040                formats=(String[]) set.toArray(new String[set.size()]);
041                Arrays.sort(formats);
042                return ListUtil.arrayToList(formats, ",").toUpperCase();
043        }
044}