Here you can find the source of copyDomDocument(Document originalDomDoc)
public static Document copyDomDocument(Document originalDomDoc) throws ParserConfigurationException
//package com.java2s; /*/*ww w . j a v a2 s . c om*/ * Copyright (C) 2017 CenturyLink, Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ import javax.xml.parsers.DocumentBuilder; import javax.xml.parsers.DocumentBuilderFactory; import javax.xml.parsers.ParserConfigurationException; import org.w3c.dom.Document; import org.w3c.dom.Node; public class Main { public static Document copyDomDocument(Document originalDomDoc) throws ParserConfigurationException { DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance(); DocumentBuilder db = dbf.newDocumentBuilder(); Node originalRoot = originalDomDoc.getDocumentElement(); Document copiedDocument = db.newDocument(); Node copiedRoot = copiedDocument.importNode(originalRoot, true); copiedDocument.appendChild(copiedRoot); return copiedDocument; } }