001    /**
002     *   GRANITE DATA SERVICES
003     *   Copyright (C) 2006-2013 GRANITE DATA SERVICES S.A.S.
004     *
005     *   This file is part of the Granite Data Services Platform.
006     *
007     *   Granite Data Services is free software; you can redistribute it and/or
008     *   modify it under the terms of the GNU Lesser General Public
009     *   License as published by the Free Software Foundation; either
010     *   version 2.1 of the License, or (at your option) any later version.
011     *
012     *   Granite Data Services is distributed in the hope that it will be useful,
013     *   but WITHOUT ANY WARRANTY; without even the implied warranty of
014     *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser
015     *   General Public License for more details.
016     *
017     *   You should have received a copy of the GNU Lesser General Public
018     *   License along with this library; if not, write to the Free Software
019     *   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
020     *   USA, or see <http://www.gnu.org/licenses/>.
021     */
022    package org.granite.util;
023    
024    
025    /**
026     * @author Franck WOLFF
027     */
028    public class XMLUtilFactory {
029    
030            private static XMLUtil xmlUtil = null;
031            private static Class<? extends XMLUtil> xmlUtilClass = null;
032            
033            public static XMLUtil getXMLUtil() {
034                    if (xmlUtil == null)
035                            xmlUtil = buildXMLUtil();
036                    return xmlUtil;
037            }
038            
039            public static void setXMLUtilClass(Class<? extends XMLUtil> clazz) {
040                    xmlUtilClass = clazz;
041            }
042            
043            @SuppressWarnings("unchecked")
044            private static XMLUtil buildXMLUtil() {
045                    try {
046                            if (xmlUtilClass == null)
047                                    xmlUtilClass = (Class<? extends XMLUtil>)Thread.currentThread().getContextClassLoader().loadClass("org.granite.util.StdXMLUtil");
048                            return xmlUtilClass.newInstance();
049                    } 
050                    catch (Exception e) {
051                            throw new RuntimeException("Could not build XML util", e);
052                    }
053            }
054    }