import org.xmlpull.v1.*;import java.util.*;import java.io.*;import java.net.*;/**  * A simple example illustrationg some differences of the XmlPull API  * and SAX. For the corresponding SAX based implementation, please refer to  * http://www.cafeconleche.org/slides/sd2001east/xmlandjava/81.html ff. */public class Weblogs {    static List listChannels()        throws IOException, XmlPullParserException {        return listChannels("http://static.userland.com/weblogMonitor/logs.xml");    }    static List listChannels(String uri)        throws IOException, XmlPullParserException {        Vector result = new Vector();        InputStream is = new URL(uri).openStream();        XmlPullParser parser =            XmlPullParserFactory.newInstance().newPullParser();        parser.setInput(is, null);        parser.nextTag();        parser.require(XmlPullParser.START_TAG, "", "weblogs");        while (parser.nextTag() == XmlPullParser.START_TAG) {            String url = readSingle(parser);            if (url != null)                result.addElement(url);        }        parser.require(XmlPullParser.END_TAG, "", "weblogs");        parser.next();        parser.require(XmlPullParser.END_DOCUMENT, null, null);		is.close ();		parser.setInput (null);        return result;    }    public static String readSingle(XmlPullParser parser)        throws IOException, XmlPullParserException {        String url = null;        parser.require(XmlPullParser.START_TAG, "", "log");        while (parser.nextTag() == XmlPullParser.START_TAG) {            String name = parser.getName();            String content = parser.nextText();            if (name.equals("url"))                url = content;            parser.require(XmlPullParser.END_TAG, "", name);        }        parser.require(XmlPullParser.END_TAG, "", "log");        return url;    }    public static void main(String[] args)        throws IOException, XmlPullParserException {        List urls =            args.length > 0                ? listChannels(args[0])                : listChannels();        for (Iterator i = urls.iterator(); i.hasNext();)            System.out.println(i.next());    }}