org.eclipse.persistence.oxm.documentpreservation.RelativePositionOrderingPolicy Maven / Gradle / Ivy
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/*
* Copyright (c) 1998, 2018 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 v. 2.0 which is available at
* http://www.eclipse.org/legal/epl-2.0,
* or the Eclipse Distribution License v. 1.0 which is available at
* http://www.eclipse.org/org/documents/edl-v10.php.
*
* SPDX-License-Identifier: EPL-2.0 OR BSD-3-Clause
*/
// 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:
* Purpose:An implementation of NodeOrderingPolicy that adds new elements to an XML Document
* based on the last updated sibling in their context.
*
Responsibilities: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);
}
}
}
}