private SoapFault readFault()

in shared-libraries/servicemix-soap2/src/main/java/org/apache/servicemix/soap/bindings/soap/interceptors/SoapFaultInInterceptor.java [56:168]
100 lines of code
21 McCabe index (conditional complexity)

    private SoapFault readFault(Element element) throws SoapFault {
        QName code = null;
        QName subcode = null;
        String reason = null;
        URI node = null;
        URI role = null;
        Source details = null;
        // Parse soap 1.1 faults
        if (SoapConstants.SOAP_11_URI.equals(element.getNamespaceURI())) {
            // Fault code
            Element child = DomUtil.getFirstChildElement(element);
            checkElementName(child, SoapConstants.SOAP_11_FAULTCODE);
            code = DomUtil.createQName(child, DomUtil.getElementText(child));
            // Fault string
            child = DomUtil.getNextSiblingElement(child);
            checkElementName(child, SoapConstants.SOAP_11_FAULTSTRING);
            reason = DomUtil.getElementText(child);
            child = DomUtil.getNextSiblingElement(child);
            QName childname = DomUtil.getQName(child);
            // Fault actor
            if (SoapConstants.SOAP_11_FAULTACTOR.equals(childname)) {
                node = URI.create(DomUtil.getElementText(child));
                child = DomUtil.getNextSiblingElement(child);
                childname = DomUtil.getQName(child);
            }
            // Fault details
            if (SoapConstants.SOAP_11_FAULTDETAIL.equals(childname)) {
                Element subchild = DomUtil.getFirstChildElement(child);
                if (subchild != null) {
                    details = new DOMSource(subchild);
                    subchild = DomUtil.getNextSiblingElement(subchild);
                    if (subchild != null) {
                        throw new SoapFault(SoapFault.RECEIVER, "Multiple elements are not supported in Detail");
                    }
                }
                child = DomUtil.getNextSiblingElement(child);
                childname = DomUtil.getQName(child);
            }
            // Nothing should be left
            if (childname != null) {
                throw new SoapFault(SoapFault.SENDER, "Unexpected element: " + childname);
            }
        // Parse soap 1.2 faults
        } else {
            // Fault code
            Element child = DomUtil.getFirstChildElement(element);
            checkElementName(child, SoapConstants.SOAP_12_FAULTCODE);
            Element subchild = DomUtil.getFirstChildElement(child);
            checkElementName(subchild, SoapConstants.SOAP_12_FAULTVALUE);
            code = DomUtil.createQName(subchild, DomUtil.getElementText(subchild));
            if (!SoapConstants.SOAP_12_CODE_DATAENCODINGUNKNOWN.equals(code) &&
                !SoapConstants.SOAP_12_CODE_MUSTUNDERSTAND.equals(code) &&
                !SoapConstants.SOAP_12_CODE_RECEIVER.equals(code) &&
                !SoapConstants.SOAP_12_CODE_SENDER.equals(code) &&
                !SoapConstants.SOAP_12_CODE_VERSIONMISMATCH.equals(code)) {
                throw new SoapFault(SoapFault.SENDER, "Unexpected fault code: " + code); 
            }
            subchild = DomUtil.getNextSiblingElement(subchild);
            if (subchild != null) {
                checkElementName(subchild, SoapConstants.SOAP_12_FAULTSUBCODE);
                Element subsubchild = DomUtil.getFirstChildElement(subchild);
                checkElementName(subsubchild, SoapConstants.SOAP_12_FAULTVALUE);
                subcode = DomUtil.createQName(subsubchild, DomUtil.getElementText(subsubchild));
                subsubchild = DomUtil.getNextSiblingElement(subsubchild);
                if (subsubchild != null) {
                    checkElementName(subsubchild, SoapConstants.SOAP_12_FAULTSUBCODE);
                    throw new SoapFault(SoapFault.RECEIVER, "Unsupported nested subcodes");
                }
            }
            // Fault reason
            child = DomUtil.getNextSiblingElement(child);
            checkElementName(child, SoapConstants.SOAP_12_FAULTREASON);
            subchild = DomUtil.getFirstChildElement(child);
            checkElementName(subchild, SoapConstants.SOAP_12_FAULTTEXT);
            reason = DomUtil.getElementText(subchild);
            subchild = DomUtil.getNextSiblingElement(subchild);
            if (subchild != null) {
                throw new SoapFault(SoapFault.RECEIVER, "Unsupported multiple reasons");
            }
            // Fault node
            child = DomUtil.getNextSiblingElement(child);
            QName childname = DomUtil.getQName(child);
            if (SoapConstants.SOAP_12_FAULTNODE.equals(childname)) {
                node = URI.create(DomUtil.getElementText(child));
                child = DomUtil.getNextSiblingElement(child);
                childname = DomUtil.getQName(child);
            }
            // Fault role
            if (SoapConstants.SOAP_12_FAULTROLE.equals(childname)) {
                role = URI.create(DomUtil.getElementText(child));
                child = DomUtil.getNextSiblingElement(child);
                childname = DomUtil.getQName(child);
            }
            // Fault details
            if (SoapConstants.SOAP_12_FAULTDETAIL.equals(childname)) {
                subchild = DomUtil.getFirstChildElement(child);
                if (subchild != null) {
                    details = new DOMSource(subchild);
                    subchild = DomUtil.getNextSiblingElement(subchild);
                    if (subchild != null) {
                        throw new SoapFault(SoapFault.RECEIVER, "Multiple elements are not supported in Detail");
                    }
                }
                child = DomUtil.getNextSiblingElement(child);
                childname = DomUtil.getQName(child);
            }
            // Nothing should be left
            if (childname != null) {
                throw new SoapFault(SoapFault.SENDER, "Unexpected element: " + childname);
            }
        }
        return new SoapFault(code, subcode, reason, node, role, details);
    }