Java tutorial
//package com.java2s; /* * #%L * VisBio application for visualization of multidimensional biological * image data. * %% * Copyright (C) 2002 - 2014 Board of Regents of the University of * Wisconsin-Madison. * %% * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as * published by the Free Software Foundation, either version 2 of the * License, or (at your option) any later version. * * 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, see * <http://www.gnu.org/licenses/gpl-2.0.html>. * #L% */ import java.io.ByteArrayInputStream; import java.io.File; import java.io.FileInputStream; import java.io.FileNotFoundException; 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 { /** Parses a DOM from the given XML file on disk. */ public static Document parseXML(final File file) { try { return parseXML(new FileInputStream(file)); } catch (final FileNotFoundException exc) { exc.printStackTrace(); } return null; } /** Parses a DOM from the given XML string. */ public static Document parseXML(final String xml) { return parseXML(new ByteArrayInputStream(xml.getBytes())); } /** Parses a DOM from the given XML input stream. */ public static Document parseXML(final InputStream is) { try { final DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance(); final DocumentBuilder db = dbf.newDocumentBuilder(); return db == null ? null : db.parse(is); } catch (final IOException exc) { exc.printStackTrace(); } catch (final ParserConfigurationException exc) { exc.printStackTrace(); } catch (final SAXException exc) { exc.printStackTrace(); } return null; } }