Java tutorial
//package com.java2s; /* Copyright 2011-2014 Red Hat, Inc This file is part of PressGang CCMS. PressGang CCMS 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. PressGang CCMS 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 Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with PressGang CCMS. If not, see <http://www.gnu.org/licenses/>. */ import javax.xml.transform.Transformer; import javax.xml.transform.TransformerException; import javax.xml.transform.TransformerFactory; import javax.xml.transform.dom.DOMResult; import javax.xml.transform.dom.DOMSource; import org.w3c.dom.Document; import org.w3c.dom.Node; public class Main { /** * Clones a document object. * * @param doc The document to be cloned. * @return The new document object that contains the same data as the original document. * @throws TransformerException Thrown if the document can't be */ public static Document cloneDocument(final Document doc) throws TransformerException { final Node rootNode = doc.getDocumentElement(); // Copy the doctype and xml version type data final TransformerFactory tfactory = TransformerFactory.newInstance(); final Transformer tx = tfactory.newTransformer(); final DOMSource source = new DOMSource(doc); final DOMResult result = new DOMResult(); tx.transform(source, result); // Copy the actual content into the new document final Document copy = (Document) result.getNode(); copy.removeChild(copy.getDocumentElement()); final Node copyRootNode = copy.importNode(rootNode, true); copy.appendChild(copyRootNode); return copy; } }