Here you can find the source of parseXml(File file)
public static Document parseXml(File file) throws ParserConfigurationException, SAXException, IOException
//package com.java2s; /*/*from w w w.jav a 2 s.com*/ * JBoss, Home of Professional Open Source * Copyright 2016 Red Hat Inc. and/or its affiliates and other * contributors as indicated by the @author tags. All rights reserved. * See the copyright.txt in the distribution for a full listing of * individual contributors. * * This 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 2.1 of * the License, or (at your option) any later version. * * This software 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 this software; if not, write to the Free * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA * 02110-1301 USA, or see the FSF site: http://www.fsf.org. */ import java.io.File; import java.io.FileInputStream; import java.io.IOException; import java.io.InputStream; import javax.xml.parsers.DocumentBuilder; import javax.xml.parsers.DocumentBuilderFactory; import javax.xml.parsers.ParserConfigurationException; import org.w3c.dom.Document; import org.xml.sax.SAXException; public class Main { public static Document parseXml(File file) throws ParserConfigurationException, SAXException, IOException { try (InputStream inputStream = new FileInputStream(file)) { return parseXml(inputStream); } } public static Document parseXml(InputStream inputStream) throws ParserConfigurationException, SAXException, IOException { DocumentBuilderFactory dbFactory = DocumentBuilderFactory.newInstance(); DocumentBuilder dBuilder = dbFactory.newDocumentBuilder(); Document doc = dBuilder.parse(inputStream); doc.getDocumentElement().normalize(); return doc; } }