1 /*
2 * EL4J, the Extension Library for the J2EE, adds incremental enhancements to
3 * the spring framework, http://el4j.sf.net
4 * Copyright (C) 2006 by ELCA Informatique SA, Av. de la Harpe 22-24,
5 * 1000 Lausanne, Switzerland, http://www.elca.ch
6 *
7 * EL4J is published under the GNU Lesser General Public License (LGPL)
8 * Version 2.1. See http://www.gnu.org/licenses/
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU Lesser General Public License for more details.
14 *
15 * For alternative licensing, please contact info@elca.ch
16 */
17 package ch.elca.el4j.services.xmlmerge.action;
18
19 import org.jdom.Element;
20
21 import ch.elca.el4j.services.xmlmerge.Action;
22
23 /**
24 * Copies the patch element if it exist in the original, keep the original if no
25 * corresponding patch element exists.
26 *
27 * @svnLink $Revision: 3882 $;$Date: 2009-08-04 15:24:14 +0200 (Di, 04. Aug 2009) $;$Author: swismer $;$URL: https://el4j.svn.sourceforge.net/svnroot/el4j/branches/el4j_3_1/el4j/framework/modules/xml_merge/common/src/main/java/ch/elca/el4j/services/xmlmerge/action/OverrideAction.java $
28 *
29 * @author Laurent Bovet (LBO)
30 * @author Alex Mathey (AMA)
31 */
32 public class OverrideAction implements Action {
33
34 /**
35 * {@inheritDoc}
36 */
37 public void perform(Element originalElement, Element patchElement,
38 Element outputParentElement) {
39 if (originalElement != null && patchElement != null) {
40 outputParentElement.addContent((Element) patchElement.clone());
41 } else if (originalElement != null) {
42 outputParentElement.addContent((Element) originalElement.clone());
43 }
44 }
45
46 }