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import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.w3c.dom.traversal.DocumentTraversal;
import org.w3c.dom.traversal.NodeFilter;
import org.w3c.dom.traversal.NodeIterator;
public class Main {
public static void main(String[] argv) throws Exception {
DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
DocumentBuilder loader = factory.newDocumentBuilder();
Document document = loader.parse("sample.xml");
DocumentTraversal traversal = (DocumentTraversal) document;
NodeIterator iterator = traversal.createNodeIterator(document.getDocumentElement(),
NodeFilter.SHOW_ALL, new ItemFilter(), true);
for (Node n = iterator.nextNode(); n != null; n = iterator.nextNode()) {
System.out.println("Element: " + ((Element) n).getTagName());
}
}
private static final class ItemFilter implements NodeFilter {
public short acceptNode(Node n) {
if (n instanceof Element) {
if (((Element) n).getTagName().equals("item")) {
return NodeFilter.FILTER_ACCEPT;
}
}
return NodeFilter.FILTER_REJECT;
}
}
}
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