/*
* Copyright 2001-2004 (C) MetaStuff, Ltd. All Rights Reserved.
*
* This software is open source.
* See the bottom of this file for the licence.
*
* $Id: VisitorDemo2.java,v 1.4 2005/01/29 14:52:57 maartenc Exp $
*/
package org.dom4j.samples;
import org.dom4j.Document;
import org.dom4j.DocumentFactory;
import org.dom4j.io.SAXReader;
/**
* This demo uses the Visitor Pattern in DOM4J to display the effect of changing
* the {@link DocumentFactory}used when reading a DOM4J object model from a
* {@link SAXReader}.
*
* @author <a href="mailto:james.strachan@metastuff.com">James Strachan </a>
* @version $Revision: 1.4 $
*/
public class VisitorDemo2 extends VisitorDemo {
/** The DocumentFactory class name to use */
protected String documentFactoryClassName;
public static void main(String[] args) {
run(new VisitorDemo2(), args);
}
public VisitorDemo2() {
}
public void run(String[] args) throws Exception {
if (args.length < 1) {
printUsage("<XML document URL> [<Document Factory Class Name>]");
return;
}
String xmlFile = args[0];
documentFactoryClassName = (args.length > 1) ? args[1] : null;
Document document = parse(xmlFile);
process(document);
}
protected SAXReader createSAXReader() throws Exception {
println("Using SAX parser: "
+ System.getProperty("org.xml.sax.driver", "default"));
SAXReader answer = new SAXReader();
if (documentFactoryClassName != null) {
try {
Class theClass = Class.forName(documentFactoryClassName);
DocumentFactory factory = (DocumentFactory) theClass
.newInstance();
if (factory != null) {
println("DocumentFactory: " + factory);
answer.setDocumentFactory(factory);
}
} catch (Exception e) {
println("ERROR: Failed to create an instance of DocumentFactory: "
+ documentFactoryClassName);
println("Exception: " + e);
e.printStackTrace();
}
}
return answer;
}
}
/*
* 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: VisitorDemo2.java,v 1.4 2005/01/29 14:52:57 maartenc Exp $
*/