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Generate DOM with SOAP message

import javax.xml.parsers.DocumentBuilder; import javax.xml.parsers.DocumentBuilderFactory; import javax.xml.soap.MessageFactory; import javax.xml.soap.Name; import javax.xml.soap.SOAPBody; import javax.xml.soap.SOAPBodyElement; import javax.xml.soap.SOAPEnvelope; import javax.xml.soap.SOAPHeader; import javax.xml.soap.SOAPHeaderElement; import javax.xml.soap.SOAPMessage; import javax.xml.soap.SOAPPart; import javax.xml.transform.Source; import javax.xml.transform.dom.DOMSource; import javax.xml.transform.sax.SAXSource; import org.w3c.dom.Document; import org.w3c.dom.Node; import org.xml.sax.InputSource; public class MainClass {   public static void main(String[] args) throws Exception {     SOAPMessage soapMessage = MessageFactory.newInstance().createMessage();     SOAPPart soapPart = soapMessage.getSOAPPart();     SOAPEnvelope soapEnvelope = soapPart.getEnvelope();     SOAPHeader soapHeader = soapEnvelope.getHeader();     SOAPHeaderElement headerElement = soapHeader.addHeaderElement(soapEnvelope.createName(         "Signature", "SOAP-SEC", "http://schemas.xmlsoap.org/soap/security/2000-12"));     SOAPBody soapBody = soapEnvelope.getBody();     soapBody.addAttribute(soapEnvelope.createName("id", "SOAP-SEC",         "http://schemas.xmlsoap.org/soap/security/2000-12"), "Body");     Name bodyName = soapEnvelope.createName("FooBar", "z", "http://example.com");     SOAPBodyElement gltp = soapBody.addBodyElement(bodyName);     Source source = soapPart.getContent();     Node root = null;     if (source instanceof DOMSource) {       root = ((DOMSource) source).getNode();     } else if (source instanceof SAXSource) {       InputSource inSource = ((SAXSource) source).getInputSource();       DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();       dbf.setNamespaceAware(true);       DocumentBuilder db = null;       db = dbf.newDocumentBuilder();       Document doc = db.parse(inSource);       root = (Node) doc.getDocumentElement();     }   } }