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.HashSet;
022
023import lucee.runtime.PageContext;
024import lucee.runtime.exp.PageException;
025import lucee.runtime.img.ImageUtil;
026import lucee.runtime.type.Collection;
027import lucee.runtime.type.KeyImpl;
028import lucee.runtime.type.Struct;
029import lucee.runtime.type.StructImpl;
030
031public class ImageFormats {
032
033        private static Collection.Key DECODER=KeyImpl.getInstance("decoder");
034        private static Collection.Key ENCODER=KeyImpl.getInstance("encoder");
035        
036        public static Struct call(PageContext pc) throws PageException {
037                Struct sct=new StructImpl();
038                sct.set(DECODER, toArray(ImageUtil.getReaderFormatNames()));
039                sct.set(ENCODER, toArray(ImageUtil.getWriterFormatNames()));
040                
041                return sct;
042        }
043
044        private static Object toArray(String[] arr) {
045                HashSet set=new HashSet();
046                for(int i=0;i<arr.length;i++) {
047                        set.add(arr[i].toUpperCase());
048                }
049                
050                return set.toArray(new String[set.size()]);
051        }
052}