Here you can find the source of parse(File input)
public static Document parse(File input) throws IOException, ParserConfigurationException, SAXException
//package com.java2s; /*// w w w. ja v a2 s.c om * Copyright (c) 2011-2015 Thomas Kern * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER * DEALINGS IN THE SOFTWARE. */ import org.w3c.dom.*; import org.xml.sax.SAXException; import javax.xml.parsers.DocumentBuilder; import javax.xml.parsers.DocumentBuilderFactory; import javax.xml.parsers.ParserConfigurationException; import java.io.File; import java.io.IOException; public class Main { public static Document parse(File input) throws IOException, ParserConfigurationException, SAXException { DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance(); factory.setIgnoringComments(true); factory.setCoalescing(true); // Convert CDATA to Text nodes factory.setNamespaceAware(false); // No namespaces: this is default factory.setValidating(false); // Don't validate DTD: also default DocumentBuilder parser = factory.newDocumentBuilder(); return parser.parse(input); } }