Accessing SOAP header information in a custom adaptor module

Hi Guys,
Could anyone point me in the direction of information on how to access the SOAP:Header element when writing a custom adaptor module for a http/ SOAP communication channel?
I'm trying to add some WS-Security stuff which isn't available in XI 3.0.
Many thanks,
John

The solution is as follows:
Mark as Do Not Use SOAPEnvelope in the communication channel.
It may be possible to use the SAP implementation of MessageFactory, SOAPEnvelope etc., I forced XI the Apache Axis implementation, a thread on which can be found here Link: [Accessing SOAP header information in a custom adaptor module;
The SOAP Envelope is created by
javax.xml.soap.MessageFactory mf= org.apache.axis.soap.MessageFactoryImpl.newInstance();
This doesn't work it creates a com.sap.engine.services.webservices.jaxm.soap.SOAPMessageImpl
org.apache.axis.message.SOAPEnvelope env = new org.apache.axis.message.SOAPEnvelope();
org.apache.axis.Message iSoapMessage = new org.apache.axis.Message(env);
SOAPMessage sm = iSoapMessage;
SOAPBody iBody = se.getBody();
if(iBody!=null)
     iBody.addDocument(iDoc);
     addDocument failed for some reason when called in XI returning
     Exception caught by adapter framework: Exception in method process.
     The code below is copied straight from the addDocument method, but it works.
     org.w3c.dom.Element iDocRoot= iDoc.getDocumentElement();
     org.apache.axis.message.SOAPBodyElement bodyElement = new org.apache.axis.message.SOAPBodyElement(iDocRoot);
     iBody.addChildElement(bodyElement);
In order to get a document representation of the Envelope you can use
Document iEnvelopeDoc = ((org.apache.axis.message.SOAPEnvelope)env).getAsDocument();
You are now in a position to add or adjust the SOAP Envelope as your require. It enabled me to add WS-Security information to a message.
It is normally possible to use javax.xml.transform.Transformer on the various classes SOAPEnvelope, SOAPBody etc. as they implement Node. However doing this in XI caused a crash.
The final document can be then be set in the xmlPayload before being sent out the door.
Hope this helps someone,
John

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