/* Copyright 2002-2004 Elliotte Rusty Harold
This library is free software; you can redistribute it and/or modify
it under the terms of version 2.1 of the GNU Lesser General Public
License as published by the Free Software Foundation.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the
Free Software Foundation, Inc., 59 Temple Place, Suite 330,
Boston, MA 02111-1307 USA
You can contact Elliotte Rusty Harold by sending e-mail to
[email protected]. Please include the word "XOM" in the
subject line. The XOM home page is located at http://www.xom.nu/
*/
package nu.xom.samples;
import java.io.IOException;
import nu.xom.Builder;
import nu.xom.Comment;
import nu.xom.Document;
import nu.xom.Node;
import nu.xom.ParentNode;
import nu.xom.ParsingException;
import nu.xom.ProcessingInstruction;
/**
* <p>
* Demonstrates moving nodes from one part of the tree
* to a different part.
* </p>
*
* @author Elliotte Rusty Harold
* @version 1.0
*
*/
public class Restructurer {
// Since this methods only operates on its argument and
// does not interact with any fields in the class, it's
// plausibly made static.
public static void processNode(Node current) {
if (current instanceof Comment
|| current instanceof ProcessingInstruction) {
Document document = current.getDocument();
ParentNode root = document.getRootElement();
current.detach();
document.insertChild(current, document.indexOf(root));
}
else {
for (int i = 0; i < current.getChildCount(); i++) {
processNode(current.getChild(i));
}
}
}
public static void main(String[] args) {
if (args.length <= 0) {
System.out.println(
"Usage: java nu.xom.samples.RestructureDriver URL"
);
return;
}
String url = args[0];
try {
// Find a parser
Builder parser = new Builder();
// Read the document
Document document = parser.build(url);
// Modify the document
Restructurer.processNode(document.getRootElement());
// Write it out again
System.out.println(document.toXML());
}
catch (ParsingException ex) {
System.out.println(url + " is not well-formed.");
}
catch (IOException ex) {
System.out.println(
"Due to an IOException, the parser could not read " + url
);
}
}
}
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