001    /*
002      GRANITE DATA SERVICES
003      Copyright (C) 2011 GRANITE DATA SERVICES S.A.S.
004    
005      This file is part of Granite Data Services.
006    
007      Granite Data Services is free software; you can redistribute it and/or modify
008      it under the terms of the GNU Library General Public License as published by
009      the Free Software Foundation; either version 2 of the License, or (at your
010      option) any later version.
011    
012      Granite Data Services is distributed in the hope that it will be useful, but
013      WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
014      FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public License
015      for more details.
016    
017      You should have received a copy of the GNU Library General Public License
018      along with this library; if not, see <http://www.gnu.org/licenses/>.
019    */
020    
021    package org.granite.util;
022    
023    
024    /**
025     * @author Franck WOLFF
026     */
027    public class XMLUtilFactory {
028    
029            private static XMLUtil xmlUtil = null;
030            private static Class<? extends XMLUtil> xmlUtilClass = null;
031            
032            public static XMLUtil getXMLUtil() {
033                    if (xmlUtil == null)
034                            xmlUtil = buildXMLUtil();
035                    return xmlUtil;
036            }
037            
038            public static void setXMLUtilClass(Class<? extends XMLUtil> clazz) {
039                    xmlUtilClass = clazz;
040            }
041            
042            @SuppressWarnings("unchecked")
043            private static XMLUtil buildXMLUtil() {
044                    try {
045                            if (xmlUtilClass == null)
046                                    xmlUtilClass = (Class<? extends XMLUtil>)Thread.currentThread().getContextClassLoader().loadClass("org.granite.util.StdXMLUtil");
047                            return xmlUtilClass.newInstance();
048                    } 
049                    catch (Exception e) {
050                            throw new RuntimeException("Could not build XML util", e);
051                    }
052            }
053    }