org.dom4j.samples.validate.JARVDemo.java Source code

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Here is the source code for org.dom4j.samples.validate.JARVDemo.java

Source

/*
 * Copyright 2001-2004 (C) MetaStuff, Ltd. All Rights Reserved.
 * 
 * This software is open source. 
 * See the bottom of this file for the licence.
 * 
 * $Id: JARVDemo.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.dom4j.io.SAXWriter;
import org.iso_relax.verifier.Schema;
import org.iso_relax.verifier.Verifier;
import org.iso_relax.verifier.VerifierFactory;
import org.iso_relax.verifier.VerifierHandler;
import org.xml.sax.ErrorHandler;
import org.xml.sax.SAXParseException;

/**
 * A sample program which validates an already existing dom4j Document using the
 * JARV API using Sun's MSV library implementation.
 * 
 * @author <a href="mailto:jstrachan@apache.org">James Strachan </a>
 * @version $Revision: 1.4 $
 */
public class JARVDemo {

    public static void main(String[] args) {
        new JARVDemo().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 = new SAXReader();
            Document document = reader.read(xmlFile);
            process(document, schema);
        } 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();
        }
    }

    /** Validate document using MSV */
    protected void process(Document document, 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);
            }
        });

        System.out.println("Validating XML document");

        VerifierHandler handler = verifier.getVerifierHandler();
        SAXWriter writer = new SAXWriter(handler);
        writer.write(document);
    }
}

/*
 * 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: JARVDemo.java,v 1.4 2005/01/29 14:53:14 maartenc Exp $
 */