Java tutorial
/* * Copyright 2001-2004 (C) MetaStuff, Ltd. All Rights Reserved. * * This software is open source. * See the bottom of this file for the licence. * * $Id: JARVDemo2.java,v 1.4 2005/01/29 14:53:14 maartenc Exp $ */ package org.dom4j.samples.validate; import org.dom4j.Document; import org.dom4j.DocumentException; import org.dom4j.io.SAXReader; import org.iso_relax.verifier.Schema; import org.iso_relax.verifier.Verifier; import org.iso_relax.verifier.VerifierFactory; import org.iso_relax.verifier.VerifierFilter; import org.xml.sax.ErrorHandler; import org.xml.sax.SAXParseException; /** * A sample program which validates an XML document as is it being parsed using * the JARV API with Sun's MSV library implementation. * * @author <a href="mailto:jstrachan@apache.org">James Strachan </a> * @version $Revision: 1.4 $ */ public class JARVDemo2 { public static void main(String[] args) { new JARVDemo2().run(args); } public void run(String[] args) { try { if (args.length < 2) { System.out.println("usage: <xmlDoc> <schemaDoc>"); System.out.println("Which validates the given XML document against the given schema document"); System.out.println("The schema can be XML Schema, RelaxNG, Relax or TREX"); return; } String xmlFile = args[0]; String schema = args[1]; SAXReader reader = createSAXReader(schema); Document document = reader.read(xmlFile); System.out.println("Parsed document: " + xmlFile + " correctly."); } catch (DocumentException e) { System.out.println("Exception occurred: " + e); Throwable nestedException = e.getNestedException(); if (nestedException != null) { System.out.println("NestedException: " + nestedException); nestedException.printStackTrace(); } else { e.printStackTrace(); } } catch (Throwable t) { System.out.println("Exception occurred: " + t); t.printStackTrace(); } } /** Registers the Verifier with the SAXReader */ protected SAXReader createSAXReader(String schemaURI) throws Exception { System.out.println("Loaded schema document: " + schemaURI); // use autodetection of schemas VerifierFactory factory = new com.sun.msv.verifier.jarv.TheFactoryImpl(); Schema schema = factory.compileSchema(schemaURI); Verifier verifier = schema.newVerifier(); verifier.setErrorHandler(new ErrorHandler() { public void error(SAXParseException e) { System.out.println("ERROR: " + e); } public void fatalError(SAXParseException e) { System.out.println("FATAL: " + e); } public void warning(SAXParseException e) { System.out.println("WARNING: " + e); } }); // now install the verifying filter VerifierFilter filter = verifier.getVerifierFilter(); SAXReader reader = new SAXReader(); reader.setXMLFilter(filter); return reader; } } /* * Redistribution and use of this software and associated documentation * ("Software"), with or without modification, are permitted provided that the * following conditions are met: * * 1. Redistributions of source code must retain copyright statements and * notices. Redistributions must also contain a copy of this document. * * 2. Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * * 3. The name "DOM4J" must not be used to endorse or promote products derived * from this Software without prior written permission of MetaStuff, Ltd. For * written permission, please contact dom4j-info@metastuff.com. * * 4. Products derived from this Software may not be called "DOM4J" nor may * "DOM4J" appear in their names without prior written permission of MetaStuff, * Ltd. DOM4J is a registered trademark of MetaStuff, Ltd. * * 5. Due credit should be given to the DOM4J Project - http://www.dom4j.org * * THIS SOFTWARE IS PROVIDED BY METASTUFF, LTD. AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL METASTUFF, LTD. OR ITS CONTRIBUTORS BE * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. * * Copyright 2001-2004 (C) MetaStuff, Ltd. All Rights Reserved. * * $Id: JARVDemo2.java,v 1.4 2005/01/29 14:53:14 maartenc Exp $ */