Handler has a problem modifying a message

["Wax, Michael" <Mi...@adp.com>]

I have seen this question asked before, but with no definitive answer.

I have a handler which needs to modify a message.  After some
experimentation, I tried the following:

1	Message message = (Message) messageContext.getCurrentMessage();
2	SOAPBody soapBody = (SOAPBody) message.getSOAPEnvelope().getBody();
3	SOAPEnvelope soapEnvelope = new SOAPEnvelope();
4	Iterator iterator = soapBody.getChildElements();
5	while (iterator.hasNext()) {
6		SOAPBodyElement soapBodyElement = (SOAPBodyElement)
iterator.next();
7		Element element = soapBodyElement.getAsDOM();
8		NodeList nodeList = element.getElementsByTagName("myTag");
9		if (nodeList.getLength() > 0) {
10			Node node = nodeList.item(0);
11			node.getFirstChild().setNodeValue("myNewValue");
12		}
13		soapEnvelope.addBodyElement(new SOAPBodyElement(element));
14	}
15	Message newMessage = new Message(soapEnvelope);
16	newMessage.setMessageContext(messageContext);
17	messageContext.setCurrentMessage(newMessage);

However, this results in an exception ("No deserialization context to use in
MessageElement.getValueAsType()!", which I find from looking at the source
code for Message element is because I did not set a DeserializationContext
when I created a SOAPBodyElement in line 13.

What I can't figure out is how to create a DeserializationContext.  The
constructors for DeserializationContextImpl require either an InputSource or
a SOAPHandler, and it is not clear to me how to get these.

Can anyone help, or is there a better way to get modify the message in a
handler?

Michael Wax
Technical Consultant
ADP Vantra

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