Java tutorial
import java.io.IOException; import java.io.StringReader; import javax.xml.parsers.DocumentBuilder; import javax.xml.parsers.DocumentBuilderFactory; import javax.xml.parsers.ParserConfigurationException; import org.w3c.dom.Document; import org.w3c.dom.Node; import org.w3c.dom.NodeList; import org.xml.sax.InputSource; import org.xml.sax.SAXException; public class Main { public static String getXMLData() { return "<x></x>"; } static public void main(String[] arg) { boolean validate = true; DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance(); dbf.setValidating(validate); dbf.setNamespaceAware(true); dbf.setIgnoringElementContentWhitespace(true); // Parse the input to produce a parse tree with its root // in the form of a Document object Document doc = null; try { DocumentBuilder builder = dbf.newDocumentBuilder(); InputSource is = new InputSource(new StringReader(getXMLData())); doc = builder.parse(is); } catch (SAXException e) { System.exit(1); } catch (ParserConfigurationException e) { System.err.println(e); System.exit(1); } catch (IOException e) { System.err.println(e); System.exit(1); } dump(doc); } private static void dump(Document doc) { dumpLoop((Node) doc, ""); } private static void dumpLoop(Node node, String indent) { switch (node.getNodeType()) { case Node.CDATA_SECTION_NODE: System.out.println(indent + "CDATA_SECTION_NODE"); break; case Node.COMMENT_NODE: System.out.println(indent + "COMMENT_NODE"); break; case Node.DOCUMENT_FRAGMENT_NODE: System.out.println(indent + "DOCUMENT_FRAGMENT_NODE"); break; case Node.DOCUMENT_NODE: System.out.println(indent + "DOCUMENT_NODE"); break; case Node.DOCUMENT_TYPE_NODE: System.out.println(indent + "DOCUMENT_TYPE_NODE"); break; case Node.ELEMENT_NODE: System.out.println(indent + "ELEMENT_NODE"); break; case Node.ENTITY_NODE: System.out.println(indent + "ENTITY_NODE"); break; case Node.ENTITY_REFERENCE_NODE: System.out.println(indent + "ENTITY_REFERENCE_NODE"); break; case Node.NOTATION_NODE: System.out.println(indent + "NOTATION_NODE"); break; case Node.PROCESSING_INSTRUCTION_NODE: System.out.println(indent + "PROCESSING_INSTRUCTION_NODE"); break; case Node.TEXT_NODE: System.out.print(indent + "TEXT_NODE"); System.out.println(" : " + node.getTextContent()); break; default: System.out.println(indent + "Unknown node"); break; } NodeList list = node.getChildNodes(); for (int i = 0; i < list.getLength(); i++) { dumpLoop(list.item(i), indent + " "); } } }