Java XML Node Namespace convertFromNamespaceForm(final Node node)

Description

convert From Namespace Form

License

Open Source License

Declaration

private static Node convertFromNamespaceForm(final Node node) 

Method Source Code

//package com.java2s;
/******************************************************************************
 * Copyright (c) 2015 Oracle/*ww  w  .  ja v  a2 s.c  o m*/
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *    Konstantin Komissarchik - initial implementation and ongoing maintenance
 ******************************************************************************/

import org.w3c.dom.Attr;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.NamedNodeMap;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;

public class Main {
    public static final String XMLNS = "xmlns";
    public static final String XMLNS_COLON = "xmlns:";
    public static final String XSI_SCHEMA_LOCATION_ATTR = "schemaLocation";

    /**
     * Converts the document from namespace-qualified form into unqualified form by removing all 
     * namespace information.
     * 
     * @param document the document to convert
     */

    public static void convertFromNamespaceForm(final Document document) {
        final Element oldRootElement = document.getDocumentElement();

        if (oldRootElement != null) {
            final Node nodeAfterRootElement = oldRootElement.getNextSibling();
            final Node newRootElement = convertFromNamespaceForm(oldRootElement);
            document.removeChild(oldRootElement);
            document.insertBefore(newRootElement, nodeAfterRootElement);
        }
    }

    private static Node convertFromNamespaceForm(final Node node) {
        if (node instanceof Element) {
            final Document document = node.getOwnerDocument();
            final Element newElement = document.createElementNS(null, node.getLocalName());
            final NodeList children = node.getChildNodes();

            for (int i = 0, n = children.getLength(); i < n; i++) {
                final Node oldChildNode = children.item(i);
                final Node newChildNode = convertFromNamespaceForm(oldChildNode);

                newElement.appendChild(newChildNode);
            }

            final NamedNodeMap attributes = node.getAttributes();

            for (int i = 0, n = attributes.getLength(); i < n; i++) {
                final Attr attr = (Attr) attributes.item(i);
                final String attrQualifiedName = attr.getNodeName();
                final String attrLocalName = attr.getLocalName();

                if (!attrQualifiedName.equals(XMLNS) && !attrQualifiedName.startsWith(XMLNS_COLON)
                        && !attrLocalName.equals(XSI_SCHEMA_LOCATION_ATTR)) {
                    newElement.setAttributeNS(null, attrLocalName, attr.getValue());
                }
            }

            return newElement;
        } else {
            return node.cloneNode(true);
        }
    }
}

Related

1. copyNamespaces(Node source, Node target)
2. getNamespace(Node node)
3. getNamespace(Node node)
4. getNamespace(String prefix, Node e)