Java tutorial
//package com.java2s; /** * e-Science Central * Copyright (C) 2008-2013 School of Computing Science, Newcastle University * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * version 2 as published by the Free Software Foundation at: * http://www.gnu.org/licenses/gpl-2.0.html * * This program 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 General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, 5th Floor, Boston, MA 02110-1301, USA. */ import org.w3c.dom.Document; import javax.xml.parsers.DocumentBuilder; import javax.xml.parsers.DocumentBuilderFactory; import java.io.*; public class Main { /** Read an XML document from a file */ public static Document readXmlDocumentFromFile(File file) throws Exception { if (file.exists()) { FileInputStream stream = null; try { stream = new FileInputStream(file); return readXmlDocumentFromStream(stream); } catch (Exception e) { throw e; } finally { if (stream != null) { try { stream.close(); } catch (Exception e) { } } } } else { throw new Exception("FileNotFound: " + file.getPath()); } } /** Read an XML document from an InputStream */ public static Document readXmlDocumentFromStream(InputStream stream) throws Exception { DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance(); dbf.setIgnoringElementContentWhitespace(true); dbf.setCoalescing(true); DocumentBuilder db = dbf.newDocumentBuilder(); Document doc = db.parse(stream); return doc; } }