/*
* Copyright 2001-2004 (C) MetaStuff, Ltd. All Rights Reserved.
*
* This software is open source.
* See the bottom of this file for the licence.
*
* $Id: CountDemo.java,v 1.4 2005/01/29 14:52:57 maartenc Exp $
*/
package org.dom4j.samples;
import org.dom4j.Attribute;
import org.dom4j.Comment;
import org.dom4j.Document;
import org.dom4j.Element;
import org.dom4j.ProcessingInstruction;
import org.dom4j.Text;
import org.dom4j.Visitor;
import org.dom4j.VisitorSupport;
/**
* A sample program to count the number of various kinds of DOM4J node types
*
* @author <a href="mailto:james.strachan@metastuff.com">James Strachan </a>
* @version $Revision: 1.4 $
*/
public class CountDemo extends SAXDemo {
private int numCharacters;
private int numComments;
private int numElements;
private int numAttributes;
private int numProcessingInstructions;
public static void main(String[] args) {
run(new CountDemo(), args);
}
public CountDemo() {
}
protected void process(Document document) throws Exception {
numCharacters = 0;
numComments = 0;
numElements = 0;
numAttributes = 0;
numProcessingInstructions = 0;
Visitor visitor = new VisitorSupport() {
public void visit(Element node) {
++numElements;
}
public void visit(Attribute node) {
++numAttributes;
}
public void visit(Comment node) {
++numComments;
}
public void visit(ProcessingInstruction node) {
++numProcessingInstructions;
}
public void visit(Text node) {
String text = node.getText();
if (text != null) {
numCharacters += text.length();
}
}
};
println("Document: " + document.getName() + " has the following");
println("Elements\tAttributes\tComments\tPIs\tCharacters");
document.accept(visitor);
println(numElements + "\t\t" + numAttributes + "\t\t" + numComments
+ "\t\t" + numProcessingInstructions + "\t" + numCharacters);
}
}
/*
* 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: CountDemo.java,v 1.4 2005/01/29 14:52:57 maartenc Exp $
*/