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/*--
Copyright (C) 2000 Brett McLaughlin & Jason Hunter.
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions, and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions, and the disclaimer that follows
these conditions in the documentation and/or other materials
provided with the distribution.
3. The name "JDOM" must not be used to endorse or promote products
derived from this software without prior written permission. For
written permission, please contact license@jdom.org.
4. Products derived from this software may not be called "JDOM", nor
may "JDOM" appear in their name, without prior written permission
from the JDOM Project Management (pm@jdom.org).
In addition, we request (but do not require) that you include in the
end-user documentation provided with the redistribution and/or in the
software itself an acknowledgement equivalent to the following:
"This product includes software developed by the
JDOM Project (http://www.jdom.org/)."
Alternatively, the acknowledgment may be graphical using the logos
available at http://www.jdom.org/images/logos.
THIS SOFTWARE IS PROVIDED ``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 THE JDOM AUTHORS OR THE PROJECT
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.
This software consists of voluntary contributions made by many
individuals on behalf of the JDOM Project and was originally
created by Brett McLaughlin <brett@jdom.org> and
Jason Hunter <jhunter@jdom.org>. For more information on the
JDOM Project, please see <http://www.jdom.org/>.
*/
import org.jdom.*;
import org.jdom.input.SAXBuilder;
import org.jdom.input.DOMBuilder;
import org.jdom.output.*;
import java.io.*;
import java.util.*;
public class Count {
public static void main(String[] args) {
if (args.length == 0) {
System.out.println("Usage: java Count URL1 URL2...");
}
SAXBuilder saxBuilder = new SAXBuilder();
DOMBuilder domBuilder = new DOMBuilder();
System.out.println(
"File\tElements\tAttributes\tComments\tProcessing Instructions\tCharacters");
// start parsing...
for (int i = 0; i < args.length; i++) {
// command line should offer URIs or file names
try {
System.out.print(args[i] + ":\t");
Document jdomDocument = saxBuilder.build(args[i]);
DOMOutputter domOutputter = new DOMOutputter();
/*
* Test getting DOM Document from JDOM Document
org.w3c.dom.Document domDocument = domOutputter.output(doc);
*/
/*
* Test getting DOM Element from JDOM Element
*/
org.w3c.dom.Element domElement = domOutputter.output(jdomDocument.getRootElement());
/*
* Test getting JDOM Element from DOM Element
*/
org.jdom.Element jdomElement = domBuilder.build(domElement);
count(jdomElement);
} catch (JDOMException e) { // indicates a well-formedness or other error
System.out.println(args[i] + " is not a well formed XML document.");
System.out.println(e.getMessage());
} catch (IOException e) { // indicates an IO problem
System.out.println(args[i] + " could not be parsed");
System.out.println(e.getMessage());
}
}
}
private static int numCharacters = 0;
private static int numComments = 0;
private static int numElements = 0;
private static int numAttributes = 0;
private static int numProcessingInstructions = 0;
public static String count(Document doc) {
numCharacters = 0;
numComments = 0;
numElements = 0;
numAttributes = 0;
numProcessingInstructions = 0;
List children = doc.getContent();
Iterator iterator = children.iterator();
while (iterator.hasNext()) {
Object o = iterator.next();
if (o instanceof Element) {
numElements++;
count((Element) o);
}
else if (o instanceof Comment) numComments++;
else if (o instanceof ProcessingInstruction) numProcessingInstructions++;
}
String result = numElements + "\t" + numAttributes + "\t" +
numComments + "\t" + numProcessingInstructions + "\t" + numCharacters;
return result;
}
public static void count(Element element) {
List attributes = element.getAttributes();
numAttributes += attributes.size();
List children = element.getContent();
Iterator iterator = children.iterator();
while (iterator.hasNext()) {
Object o = iterator.next();
if (o instanceof Element) {
numElements++;
count((Element) o);
}
else if (o instanceof Comment) numComments++;
else if (o instanceof ProcessingInstruction) numProcessingInstructions++;
else if (o instanceof String) {
String s = (String) o;
numCharacters += s.length();
}
}
String result = numElements + "\t" + numAttributes + "\t" +
numComments + "\t" + numProcessingInstructions + "\t" + numCharacters;
System.out.println(result);
}
}
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