FileDocCategorySizeDatePackage
XTW.javaAPI DocExample2364Mon Feb 11 14:17:28 GMT 2002None

XTW

public class XTW extends Object
XML Tree Walker UPDATED FOR JAXP.
author
Ian Darwin, ian@darwinsys.com
version
$Id: XTW.java,v 1.8 2002/02/11 19:17:29 ian Exp $

Fields Summary
Constructors Summary
Methods Summary
protected voidconvert(java.lang.String fileName, boolean verbose)
Convert the file

		Reader is;
		try {
			if (verbose)
				System.err.println(">>>Parsing " + fileName + "...");
			// Make the document a URL so relative DTD works.
			String uri = "file:" + new File(fileName).getAbsolutePath();

			DocumentBuilderFactory factory =
				DocumentBuilderFactory.newInstance();
			DocumentBuilder builder = factory.newDocumentBuilder();
			Document doc = builder.parse( uri );
 
			if (verbose)
				System.err.println(">>>Walking " + fileName + "...");
			doRecursive(doc);

		} catch (Exception ex) {
			System.err.println("+============================+");
			System.err.println("|        XTW Error           |");
			System.err.println("+============================+");
			System.err.println(ex.getClass());
			System.err.println(ex.getMessage());
			System.err.println("+============================+");
		}
		if (verbose) {
			System.err.println(">>>Done " + fileName + "...");
		}
	
protected voiddoNode(org.w3c.dom.Node n)


		switch(n.getNodeType()) {
			case Node.ELEMENT_NODE:
				System.out.println("ELEMENT<" + n.getNodeName() + ">");
				doRecursive(n);
				break;
			case Node.TEXT_NODE:
				String text = n.getNodeValue();
				if (text.length() == 0 || 
					text.equals("\n") || text.equals("\\r")) {
					break;
				}
				System.out.println("TEXT: " + text);
				break;
			default:
				System.err.println( "OTHER NODE " +
					n.getNodeType() + ": " + n.getClass());
				break;
		}
	
protected voiddoRecursive(org.w3c.dom.Node p)

		if (p == null) {
			return;
		}
		NodeList nodes = p.getChildNodes();
		Debug.println("xml-tree", "Element has " + 
			nodes.getLength() + " children");
		for (int i = 0; i < nodes.getLength(); i++) {
			Node n = nodes.item(i);
			if (n == null) {
				continue;
			}

			doNode(n);

		}
	
public static voidmain(java.lang.String[] av)

		if (av.length == 0) {
			System.err.println("Usage: XTW file [...]");
			return;
		}
		for (int i=0; i<av.length; i++) {
			String name = av[i];
			new XTW().convert(name, true);
		}