Java XML Node Clone copyNode(Node source)

Description

Copies node and all its children to the new document as root element in the new document

License

Open Source License

Parameter

Parameter	Description
source	a source node

Return

a new DOM document with copy of the node as root element

Declaration

public static Document copyNode(Node source) 

Method Source Code

//package com.java2s;
/*//w w  w . j a  v a 2s  .  co  m
 * #%L
 * Xacml4J Core Engine Implementation
 * %%
 * Copyright (C) 2009 - 2014 Xacml4J.org
 * %%
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Lesser Public License for more details.
 * 
 * You should have received a copy of the GNU General Lesser Public
 * License along with this program.  If not, see
 * <http://www.gnu.org/licenses/lgpl-3.0.html>.
 * #L%
 */

import org.w3c.dom.DOMImplementation;
import org.w3c.dom.Document;

import org.w3c.dom.Node;

import com.google.common.base.Preconditions;

public class Main {
    /**
     * Copies node and all its children
     * to the new document as root element
     * in the new document
     *
     * @param source a source node
     * @return {@link Document} a new DOM
     * document with copy of the node as
     * root element
     */
    public static Document copyNode(Node source) {
        if (source == null) {
            return null;
        }
        Document sourceDoc = (source.getNodeType() == Node.DOCUMENT_NODE) ? (Document) source
                : source.getOwnerDocument();
        Node rootNode = (source.getNodeType() == Node.DOCUMENT_NODE) ? sourceDoc
                .getDocumentElement() : source;
        Preconditions.checkState(sourceDoc != null);
        DOMImplementation domImpl = sourceDoc.getImplementation();
        Document doc = domImpl.createDocument(sourceDoc.getNamespaceURI(),
                null, sourceDoc.getDoctype());
        Node copy = doc.importNode(rootNode, true);
        doc.appendChild(copy);
        return doc;
    }
}

Related

1. cloneNode(Node node)
2. cloneNode(Node node, Document doc)
3. cloneNode(Node node, Document target, boolean deep)
4. copyGraphicFiles(String baseFilename, String currentDirectory, String fileSeparator, NodeIterator graphicsElements)
5. copyInto(Node src, Node dest)
6. copyNode(Node source, Node dest)