Java Utililty Methods SOAP Message

ByteArrayOutputStream bos = new ByteArrayOutputStream();
soapMessage.writeTo(bos);
return bos.toByteArray();

TransformerFactory transformerFactory = TransformerFactory.newInstance();
Transformer transformer = transformerFactory.newTransformer();
transformer.setOutputProperty(OutputKeys.INDENT, "yes");
transformer.setOutputProperty("{http://xml.apache.org/xslt}indent-amount", "2");
Source content = response.getSOAPPart().getContent();
StringWriter writer = new StringWriter();
StreamResult result = new StreamResult(writer);
transformer.transform(content, result);
...

if (msgString == null)
    return null;
SOAPMessage message = null;
try {
    MessageFactory factory = null;
    if (msgString.indexOf(SOAP11_NAMESPACE) >= 0) {
        factory = MessageFactory.newInstance(SOAPConstants.SOAP_1_1_PROTOCOL);
    } else {
...

ByteArrayInputStream in = new ByteArrayInputStream(xml.getBytes());
MessageFactory factory = MessageFactory.newInstance();
SOAPMessage soapMessage = factory.createMessage(null, in);
return soapMessage.getSOAPPart();

DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
factory.setNamespaceAware(true);
InputStream in = new ByteArrayInputStream(xml.getBytes());
DocumentBuilder builder = factory.newDocumentBuilder();
return builder.parse(in);

return new String(toByteArray(soapMessage));

ByteArrayOutputStream soapSink = new ByteArrayOutputStream();
soapMessage.writeTo(soapSink);
soapSink.writeTo(System.out);
System.out.println();
return MessageFactory.newInstance().createMessage(null, new ByteArrayInputStream(soapSink.toByteArray()));