public void handleMessage()

in cxf/cxf-binding-nmr/src/main/java/org/apache/servicemix/cxf/binding/nmr/interceptors/NMRWrapperInInterceptor.java [60:137]
66 lines of code
18 McCabe index (conditional complexity)

    public void handleMessage(Message message) throws Fault {
        if (isGET(message)) {
            LOG.fine("JbiMessageInInterceptor skipped in HTTP GET method");
            return;
        }
        XMLStreamReader xsr = message.getContent(XMLStreamReader.class);

        DepthXMLStreamReader reader = new DepthXMLStreamReader(xsr);

        Endpoint ep = message.getExchange().get(Endpoint.class);
        BindingInfo binding = ep.getEndpointInfo().getBinding();
        if (!(binding instanceof NMRBindingInfo)) {
            throw new IllegalStateException(
                  new org.apache.cxf.common.i18n.Message("NEED_JBIBINDING", BUNDLE).toString());
        }

        if (!StaxUtils.toNextElement(reader)) {
            throw new Fault(new org.apache.cxf.common.i18n.Message("NO_OPERATION_ELEMENT", BUNDLE));
        }

        Exchange ex = message.getExchange();
        QName startQName = reader.getName();

        // handling jbi fault message
        if (startQName.getLocalPart().equals(NMRFault.NMR_FAULT_ROOT)) {
            message.getInterceptorChain().abort();

            if (ep.getInFaultObserver() != null) {
                ep.getInFaultObserver().onMessage(message);
                return;
            }
        }


        // handling xml normal inbound message
        if (!startQName.equals(NMRConstants.JBI_WRAPPER_MESSAGE)) {
            throw new Fault(new org.apache.cxf.common.i18n.Message(
                    "NO_JBI_MESSAGE_ELEMENT", BUNDLE));
        }

        try {
            BindingOperationInfo bop = ex.get(BindingOperationInfo.class);
            DataReader<XMLStreamReader> dr = getDataReader(message);
            List<Object> parameters = new ArrayList<Object>();
            reader.next();
            BindingMessageInfo messageInfo = !isRequestor(message) ? bop.getInput() : bop.getOutput();
            message.put(MessageInfo.class, messageInfo.getMessageInfo());
            for (MessagePartInfo part : messageInfo.getMessageParts()) {
                if (!StaxUtils.skipToStartOfElement(reader)) {
                    throw new Fault(new org.apache.cxf.common.i18n.Message("NOT_ENOUGH_PARTS", BUNDLE));
                }
                startQName = reader.getName();
                if (!startQName.equals(NMRConstants.JBI_WRAPPER_PART)) {
                    throw new Fault(new org.apache.cxf.common.i18n.Message("NO_JBI_PART_ELEMENT", BUNDLE));
                }
                if (part.isElement()) {
                    reader.next();
                    if (!StaxUtils.toNextElement(reader)) {
                        throw new Fault(new org.apache.cxf.common.i18n.Message("EXPECTED_ELEMENT_IN_PART", BUNDLE));
                    }
                }
                parameters.add(dr.read(part, reader));
                // skip end element
                if (part.isElement()) {
                    reader.next();
                }
            }
            int ev = reader.getEventType();
            while (ev != XMLStreamConstants.END_ELEMENT 
                    && ev != XMLStreamConstants.START_ELEMENT
                    && ev != XMLStreamConstants.END_DOCUMENT) {
                ev = reader.next();
            }
            message.setContent(List.class, parameters);
        } catch (XMLStreamException e) {
            throw new Fault(new org.apache.cxf.common.i18n.Message("STAX_READ_EXC", BUNDLE), e);
        }
    }