Java tutorial
import java.io.File; import javax.xml.parsers.DocumentBuilder; import javax.xml.parsers.DocumentBuilderFactory; import javax.xml.transform.Transformer; import javax.xml.transform.TransformerFactory; import javax.xml.transform.dom.DOMSource; import javax.xml.transform.stream.StreamResult; import org.w3c.dom.Attr; import org.w3c.dom.Document; import org.w3c.dom.Element; import org.w3c.dom.NamedNodeMap; import org.w3c.dom.Node; import org.w3c.dom.NodeList; public class Main { public static void main(String[] args) throws Exception { DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance(); dbf.setNamespaceAware(true); DocumentBuilder db = dbf.newDocumentBuilder(); File file1 = new File("input1.xml"); Document doc1 = db.parse(file1); Element rootElement1 = doc1.getDocumentElement(); File file2 = new File("input2.xml"); Document doc2 = db.parse(file2); Element rootElement2 = doc2.getDocumentElement(); // Copy Attributes NamedNodeMap namedNodeMap2 = rootElement2.getAttributes(); for (int x = 0; x < namedNodeMap2.getLength(); x++) { Attr importedNode = (Attr) doc1.importNode(namedNodeMap2.item(x), true); rootElement1.setAttributeNodeNS(importedNode); } // Copy Child Nodes NodeList childNodes2 = rootElement2.getChildNodes(); for (int x = 0; x < childNodes2.getLength(); x++) { Node importedNode = doc1.importNode(childNodes2.item(x), true); rootElement1.appendChild(importedNode); } // Output Document TransformerFactory tf = TransformerFactory.newInstance(); Transformer t = tf.newTransformer(); DOMSource source = new DOMSource(doc1); StreamResult result = new StreamResult(System.out); t.transform(source, result); } }