printNode() java xml

 

public static void printNode(Element element) {
		NodeList children = element.getChildNodes();
		NamedNodeMap attr = element.getAttributes();
		int r = children.getLength();
		if (attr != null) {
			System.out.print("<" + element.getNodeName());
			for (int j = 0; j < attr.getLength(); j++) {
				System.out.print(" " + attr.item(j).getNodeName() + "="
						+ attr.item(j).getNodeValue() + " ");
			}
			System.out.print(">");
		} else if (attr == null) {
			System.out.println("<" + element.getNodeName() + ">");
		}
		if (element.hasChildNodes()) {
			for (int k = 0; k < r; k++) {
				if (children.item(k).getNodeType() == Node.ELEMENT_NODE) {
					printNode((Element) children.item(k));
				} else if (children.item(k).getNodeType() == Node.TEXT_NODE) {
					System.out.print(children.item(k).getNodeValue());
				}
			}
			System.out.println("</" + element.getNodeName() + ">");
		}
	}