Here you can find the source of parse(File f)
public static Document parse(File f) throws SAXException, IOException
//package com.java2s; /*/*from www . jav a 2s . c o m*/ * dbXML - Native XML Database * Copyright (c) 1999-2006 The dbXML Group, L.L.C. * * 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. * * $Id: DOMHelper.java,v 1.5 2006/02/02 19:04:15 bradford Exp $ */ import java.io.File; import java.io.IOException; import java.io.InputStream; import javax.xml.parsers.DocumentBuilder; import org.w3c.dom.Document; import org.xml.sax.InputSource; import org.xml.sax.SAXException; public class Main { private static ThreadLocal db; public static Document parse(InputSource is) throws SAXException, IOException { return getDocumentBuilder().parse(is); } public static Document parse(File f) throws SAXException, IOException { return getDocumentBuilder().parse(f); } public static Document parse(InputStream is) throws SAXException, IOException { return getDocumentBuilder().parse(is); } public static Document parse(InputStream is, String systemId) throws SAXException, IOException { return getDocumentBuilder().parse(is, systemId); } private static DocumentBuilder getDocumentBuilder() { return (DocumentBuilder) db.get(); } }