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.text.xml;
020
021import lucee.commons.io.IOUtil;
022import lucee.commons.lang.ExceptionUtil;
023import lucee.commons.net.HTTPUtil;
024
025import org.xml.sax.InputSource;
026import org.xml.sax.SAXException;
027import org.xml.sax.helpers.DefaultHandler;
028
029
030
031public class XMLEntityResolverDefaultHandler extends DefaultHandler {
032
033        private InputSource entityRes;
034
035        public XMLEntityResolverDefaultHandler(InputSource entityRes) {
036                this.entityRes=entityRes;
037        }
038        
039        @Override
040        public InputSource resolveEntity(String publicID, String systemID) throws SAXException {
041                //if(entityRes!=null)print.out("resolveEntity("+(entityRes!=null)+"):"+publicID+":"+systemID);
042                
043                if(entityRes!=null) return entityRes;
044                try {
045                        // TODO user resources
046                        return new InputSource(IOUtil.toBufferedInputStream(HTTPUtil.toURL(systemID,true).openStream()));
047                } 
048                catch (Throwable t) {
049                        ExceptionUtil.rethrowIfNecessary(t);
050                        return null;
051                }
052        }
053        
054}