/******************************************************************************* | |
* Copyright (c) 1998, 2013 Oracle and/or its affiliates. All rights reserved. | |
* This program and the accompanying materials are made available under the | |
* terms of the Eclipse Public License v1.0 and Eclipse Distribution License v. 1.0 | |
* which accompanies this distribution. | |
* The Eclipse Public License is available at http://www.eclipse.org/legal/epl-v10.html | |
* and the Eclipse Distribution License is available at | |
* http://www.eclipse.org/org/documents/edl-v10.php. | |
* | |
* Contributors: | |
* Oracle - initial API and implementation from Oracle TopLink | |
******************************************************************************/ | |
package org.eclipse.persistence.oxm.documentpreservation; | |
import org.w3c.dom.Node; | |
import org.eclipse.persistence.oxm.documentpreservation.NodeOrderingPolicy; | |
/** | |
* INTERNAL: | |
* <p><b>Purpose:</b>An implementation of NodeOrderingPolicy that adds new elements to an XML Document | |
* based on the last updated sibling in their context. | |
* <p><b>Responsibilities:</b>Add a new element as a child based on the provided last updated sibling. | |
* | |
* @see org.eclipse.persistence.oxm.documentpreservation.NodeOrderingPolicy | |
* @author mmacivor | |
* @author rbarkhouse - changed to subclass (NodeOrderingPolicy changed to abstract superclass) | |
*/ | |
public class RelativePositionOrderingPolicy extends NodeOrderingPolicy { | |
public void appendNode(Node parent, Node newChild, Node previousSibling){ | |
if (previousSibling != null) { | |
Node nextSibling = previousSibling.getNextSibling(); | |
if (nextSibling != null) { | |
parent.insertBefore(newChild, nextSibling); | |
} else { | |
parent.appendChild(newChild); | |
} | |
} | |
else { | |
if (parent.hasChildNodes()) { | |
parent.insertBefore(newChild, parent.getFirstChild()); | |
} else { | |
parent.appendChild(newChild); | |
} | |
} | |
} | |
} |