Working with SOAP service headers

How to modify headers in the SOAP response.

Below snippet will do the trick. In a nutshell, you need to:

• Add @SoapHeader annotation in the service method.
• Use Unmarshaller to map header xml elements to java object.
• Make necessary changes to this java object.
• Finally, use Marshaller to map java object back to xml, and set in response.

// Service class code

private static final String NAMESPACE_URI = "http://domain.com/context/../DummyRequest.xsd";

@PayloadRoot(namespace = NAMESPACE_URI, localPart = "RequestPartInXml")

@ResponsePayload

public JAXBElement<ResponsePOJO> returnApiResponse(

@RequestPayload JAXBElement<RequestPojo> request,

@SoapHeader(value = "{http://domain.com/context/../DummyRequest.xsd}MessageHeader") SoapHeaderElement soapHeaders,

MessageContext messageContext) {

// handleSoap Headers

handleSoapHeaders(messageContext, soapHeaders);

...

...

}

// handling of headers

public static void handleSoapHeaders(MessageContext messageContext, SoapHeaderElement soapHeaders) {

try {

context = JAXBContext.newInstance(ObjectFactory.class);

MessageHeaderInfo requestSoapHeaders = getRequestHeaders(soapHeaders);

setCustomHeaders(requestSoapHeaders);

pushResponseHeaders(messageContext, requestSoapHeaders);

} catch (JAXBException e) {

e.printStackTrace();

}

}

// Use un-marshalling to map Xml to Java Object

private static MessageHeaderInfo getRequestHeaders(SoapHeaderElement soapHeaders) throws JAXBException {

Unmarshaller unmarshaller = context.createUnmarshaller();

JAXBElement<MessageHeaderPojo> headers = (JAXBElement<MessageHeaderPojo>) unmarshaller

.unmarshal(soapHeaders.getSource());

return headers.getValue();

}

private static void setCustomHeaders(MessageHeaderPojo requestSoapHeaders) {

MessageHeaderPojo mH = requestSoapHeaders;

mh.setOneObj(requestSoapHeaders.getOneObj()); // to return request Header Element as it is in the response

mh.setSecondObj(requestSoapHeaders.getSecondObj());

mh.setThirdObj(requestSoapHeaders.getThirdObj()); // to modify request Header Object and send in response

mh.getThirdObj().setnewParameter("customValue"); // newParameter is an attribute in ThirdObj Class

}

// Use marshalling to map Java back to Xml

private static void pushResponseHeaders(MessageContext messageContext, MessageHeaderPojo mh)

throws JAXBException {

ObjectFactory obja = new ObjectFactory();

JAXBElement<MessageHeaderPojo> modifiedHeaders = obja.createMessageHeader(info);

Marshaller marshaller = context.createMarshaller();

SaajSoapMessage soapResponses = (SaajSoapMessage) messageContext.getResponse();

SoapHeader resheader = soapResponses.getSoapHeader();

marshaller.marshal(modifiedHeaders, resheader.getResult());

}

If any issues are encountered, do drop the same in comments section.

I will be happy to help.

######### Happy Coding #########