gistfile1.java

        XPath xpath = XPathFactory.newInstance().newXPath();
        String xmlFile = "Wikipedia-Category-GlobalWarming-20090919043526.xml";
        InputStream is = WikipediaSeederTest.class.getClassLoader().getResourceAsStream(xmlFile);
        
        InputSource inputSource = new InputSource( is );
        NamespaceContext context = new NamespaceContextMap("wp", "http://www.mediawiki.org/xml/export-0.3/");
        xpath.setNamespaceContext(context);
        NodeList elements = (NodeList)xpath.evaluate(
                 "//wp:page", inputSource, XPathConstants.NODESET );

        System.out.println("length: " + elements.getLength());

        for( int i=0; i<elements.getLength(); i++ ) {
          // do stuff
        }