org.apache.cxf.helpers.DOMUtils Java Examples

private void checkSchemas(String address, String schemaSegment,
                          String includedSchema,
                          String refAttrName) throws Exception {
    WebClient client = WebClient.create(address + schemaSegment);
    WebClient.getConfig(client).getHttpConduit().getClient().setReceiveTimeout(10000000L);
    Document doc = StaxUtils.read(new InputStreamReader(client.get(InputStream.class), StandardCharsets.UTF_8));
    Element root = doc.getDocumentElement();
    assertEquals(Constants.URI_2001_SCHEMA_XSD, root.getNamespaceURI());
    assertEquals("schema", root.getLocalName());
    if (includedSchema != null) {
        List<Element> includeEls = DOMUtils.getChildrenWithName(root,
                                                                Constants.URI_2001_SCHEMA_XSD,
                                                                refAttrName);
        assertEquals(1, includeEls.size());
        String href = includeEls.get(0).getAttribute("schemaLocation");
        assertEquals(address + includedSchema, href);
    }

}
 

protected String findMEXLocation(Element ref) {
    Element el = DOMUtils.getFirstElement(ref);
    while (el != null) {
        if (el.getLocalName().equals("Address")
            && VersionTransformer.isSupported(el.getNamespaceURI())
            && "MetadataReference".equals(ref.getLocalName())) {
            return DOMUtils.getContent(el);
        } else {
            String ad = findMEXLocation(el);
            if (ad != null) {
                return ad;
            }
        }
        el = DOMUtils.getNextElement(el);
    }
    return null;
}
 

public void handle(Callback[] callbacks)
    throws IOException, UnsupportedCallbackException {
    for (int i = 0; i < callbacks.length; i++) {
        if (callbacks[i] instanceof DelegationCallback) {
            DelegationCallback callback = (DelegationCallback) callbacks[i];
            Message message = callback.getCurrentMessage();
            
            String username = 
                (String)message.getContextualProperty(SecurityConstants.USERNAME);
            if (username != null) {
                Node contentNode = message.getContent(Node.class);
                Document doc = null;
                if (contentNode != null) {
                    doc = contentNode.getOwnerDocument();
                } else {
                    doc = DOMUtils.createDocument();
                }
                UsernameToken usernameToken = createWSSEUsernameToken(username, doc);
                callback.setToken(usernameToken.getElement());
            }
        } else {
            throw new UnsupportedCallbackException(callbacks[i], "Unrecognized Callback");
        }
    }
}
 

/**
 * Test an invalid SecurityContextToken
 */
@org.junit.Test
public void testInvalidSecurityContextToken() throws Exception {
    TokenValidator sctValidator = new SCTValidator();
    TokenValidatorParameters validatorParameters = createValidatorParameters();
    TokenRequirements tokenRequirements = validatorParameters.getTokenRequirements();

    // Create a ValidateTarget consisting of a SecurityContextToken
    Document doc = DOMUtils.createDocument();
    SecurityContextToken sct = new SecurityContextToken(doc);
    ReceivedToken validateTarget = new ReceivedToken(sct.getElement());
    tokenRequirements.setValidateTarget(validateTarget);
    validatorParameters.setToken(validateTarget);

    assertTrue(sctValidator.canHandleToken(validateTarget));

    TokenValidatorResponse validatorResponse =
        sctValidator.validateToken(validatorParameters);
    assertNotNull(validatorResponse);
    assertNotNull(validatorResponse.getToken());
    assertTrue(validatorResponse.getToken().getState() == STATE.INVALID);
}
 

protected String findID(Element rar, Element rur, Element rst) {
    String id = null;
    if (rst != null) {
        QName elName = DOMUtils.getElementQName(rst);
        if (elName.equals(new QName(WSConstants.SAML_NS, "Assertion"))
            && rst.hasAttributeNS(null, "AssertionID")) {
            id = rst.getAttributeNS(null, "AssertionID");
        } else if (elName.equals(new QName(WSConstants.SAML2_NS, "Assertion"))
            && rst.hasAttributeNS(null, "ID")) {
            id = rst.getAttributeNS(null, "ID");
        }
        if (id == null) {
            id = this.getIDFromSTR(rst);
        }
    }
    if (id == null && rar != null) {
        id = this.getIDFromSTR(rar);
    }
    if (id == null && rur != null) {
        id = this.getIDFromSTR(rur);
    }
    if (id == null && rst != null) {
        id = rst.getAttributeNS(WSConstants.WSU_NS, "Id");
    }
    return id;
}
 

protected Element getDelegationSecurityToken(Object delegationObject) throws Exception {
    if (delegationObject != null) {
        final boolean isString = delegationObject instanceof String;
        final boolean isElement = delegationObject instanceof Element; 
        final boolean isCallbackHandler = delegationObject instanceof CallbackHandler;
        if (isString || isElement || isCallbackHandler) {
            if (isString) {
                final Document doc =
                    DOMUtils.readXml(new StringReader((String) delegationObject));
                return doc.getDocumentElement();
            } else if (isElement) {
                return (Element) delegationObject;
            } else {
                DelegationCallback callback = new DelegationCallback(message);
                ((CallbackHandler)delegationObject).handle(new Callback[]{callback});
                return callback.getToken();
            }
        }
    }
    return null;
}
 

@Override
public ReferenceParametersType create(Representation initRepresentation) {
    // Store xmlResource
    String uuid = UUID.randomUUID().toString();
    Element representationEl = (Element) initRepresentation.getAny();
    if (representationEl == null) {
        storage.put(uuid, "");
    } else {
        storage.put(uuid, StaxUtils.toString(representationEl));
    }

    Element uuidEl = DOMUtils.getEmptyDocument().createElementNS(REF_NAMESPACE, REF_LOCAL_NAME);
    uuidEl.setTextContent(uuid);

    // Create referenceParameter
    ReferenceParametersType refParam = new ReferenceParametersType();
    refParam.getAny().add(uuidEl);
    return refParam;
}
 

protected void setChild(Element element, boolean append) {
    Node appendedChildNode = null;
    if (currentNode != null) {
        stack.push(currentNode);
        if (append) {
            appendedChildNode = currentNode.appendChild(element);
        }
    } else {
        if (append) {
            appendedChildNode = document.appendChild(element);
        }
    }
    if (!(context instanceof W3CNamespaceContext)) {
        // set the outside namespace context
        W3CNamespaceContext childContext = new W3CNamespaceContext();
        childContext.setOutNamespaceContext(context);
        context = childContext;
    }
    ((W3CNamespaceContext)context).setElement(element);
    if (appendedChildNode != null) {
        currentNode = org.apache.cxf.helpers.DOMUtils.getDomElement(appendedChildNode);
    } else {
        currentNode = element;
    }
}
 

@Test
public void testSOAPHandlerHandleMessageThrowsSOAPFaultExceptionServerInbound() throws PingException {
    try {
        handlerTest.pingWithArgs("soapHandler3 inbound throw SOAPFaultExceptionWDetail");
        fail("did not get expected SOAPFaultException");
    } catch (SOAPFaultException e) {
        assertEquals("HandleMessage throws exception", e.getMessage());
        SOAPFault fault = e.getFault();
        assertNotNull(fault);
        assertEquals(new QName(SOAPConstants.URI_NS_SOAP_ENVELOPE, "Server"),
                     fault.getFaultCodeAsQName());
        assertEquals("http://gizmos.com/orders", fault.getFaultActor());

        Detail detail = fault.getDetail();
        assertNotNull(detail);

        QName nn = new QName("http://gizmos.com/orders/", "order");
        Element el = DOMUtils.getFirstChildWithName(detail, nn);
        assertNotNull(el);
        el.normalize();
        assertEquals("Quantity element does not have a value", el.getFirstChild().getNodeValue());
        el = DOMUtils.getNextElement(el);
        el.normalize();
        assertEquals("Incomplete address: no zip code", el.getFirstChild().getNodeValue());
    }
}
 

@Test
public void validateIdpInitiatedLoginResponse() throws Exception {
    assumeTrue(SAML2SPDetector.isSAML2SPAvailable());

    SAML2SPService saml2Service = anonymous.getService(SAML2SPService.class);

    // Create a SAML Response using WSS4J
    SAML2ReceivedResponseTO response = new SAML2ReceivedResponseTO();
    response.setSpEntityID("http://recipient.apache.org/");
    response.setUrlContext("saml2sp");

    org.opensaml.saml.saml2.core.Response samlResponse =
            createResponse(null, true, SAML2Constants.CONF_BEARER, "urn:org:apache:cxf:fediz:idp:realm-B");

    Document doc = DOMUtils.newDocument();
    Element responseElement = OpenSAMLUtil.toDom(samlResponse, doc);
    String responseStr = DOM2Writer.nodeToString(responseElement);

    // Validate the SAML Response
    response.setSamlResponse(Base64.getEncoder().encodeToString(responseStr.getBytes()));
    response.setRelayState("idpInitiated");
    SAML2LoginResponseTO loginResponse = saml2Service.validateLoginResponse(response);
    assertNotNull(loginResponse.getAccessToken());
    assertEquals("puccini", loginResponse.getNameID());
}
 

/**
 * Try to cancel an invalid SecurityContextToken
 */
@org.junit.Test
public void testCancelInvalidToken() throws Exception {
    TokenCanceller sctCanceller = new SCTCanceller();
    sctCanceller.setVerifyProofOfPossession(false);
    TokenCancellerParameters cancellerParameters = createCancellerParameters();
    TokenRequirements tokenRequirements = cancellerParameters.getTokenRequirements();

    // Create a CancelTarget consisting of a SecurityContextToken
    Document doc = DOMUtils.getEmptyDocument();
    SecurityContextToken sct = new SecurityContextToken(doc);
    ReceivedToken cancelTarget = new ReceivedToken(sct.getElement());
    tokenRequirements.setCancelTarget(cancelTarget);
    cancellerParameters.setToken(cancelTarget);

    assertTrue(sctCanceller.canHandleToken(cancelTarget));

    TokenCancellerResponse cancellerResponse = sctCanceller.cancelToken(cancellerParameters);
    assertNotNull(cancellerResponse);
    assertFalse(cancellerResponse.getToken().getState() == STATE.CANCELLED);
}
 

@Override
public boolean handleMessage(SOAPMessageContext context) {
    // only inbound messages are of use
    if ((Boolean)context.get(MessageContext.MESSAGE_OUTBOUND_PROPERTY)) {
        return true;
    }
    try {
        Element elm = DOMUtils.getFirstElement(context.getMessage().getSOAPHeader());
        while (elm != null) {
            if ("Action".equals(elm.getLocalName()) && elm.getNamespaceURI().contains("addressing")) {
                if (!elm.getTextContent().equals(action)) {
                    throw new RuntimeException("The event sink should have received "
                            + "WSA-Action: " + action + " but received: "
                            + elm.getTextContent());
                }
                return true;
            }
            elm = DOMUtils.getNextElement(elm);
        }
    } catch (SOAPException e) {
        throw new RuntimeException(e);
    }
    throw new RuntimeException("The event sink should have received a WSA-Action associated with"
            + "the notification");
}
 

private void checkParameter(Element paramEl, Param p) {
    assertEquals(p.getName(), paramEl.getAttribute("name"));
    assertEquals(p.getType(), paramEl.getAttribute("style"));
    assertEquals(p.getSchemaType(), paramEl.getAttribute("type"));
    assertEquals(p.isRepeating(), Boolean.valueOf(paramEl.getAttribute("repeating")));
    assertEquals(p.getDefaultValue(), paramEl.getAttribute("default"));
    Set<String> options = p.getOptions();
    if (options != null) {
        Set<String> actualOptions = new HashSet<>();
        List<Element> els = DOMUtils.getChildrenWithNamespace(paramEl, WadlGenerator.WADL_NS);
        assertFalse(els.isEmpty());
        assertEquals(options.size(), els.size());
        for (Element op : els) {
            actualOptions.add(op.getAttribute("value"));
        }
        assertEquals(options, actualOptions);
    }
    String docs = p.getDocs();
    if (docs != null) {
        checkDocs(paramEl, "", docs, "");
    }
}
 

protected String findMEXLocation(Element ref) {
    Element el = DOMUtils.getFirstElement(ref);
    while (el != null) {
        if (el.getLocalName().equals("Address")
            && VersionTransformer.isSupported(el.getNamespaceURI())
            && "MetadataReference".equals(ref.getLocalName())) {
            return DOMUtils.getContent(el);
        } else {
            String ad = findMEXLocation(el);
            if (ad != null) {
                return ad;
            }
        }
        el = DOMUtils.getNextElement(el);
    }
    return null;
}
 

@org.junit.Test
public void testCreateLogoutRequest() throws Exception {
    Document doc = DOMUtils.createDocument();

    Issuer issuer =
        SamlpRequestComponentBuilder.createIssuer("http://localhost:9001/app");

    NameIDBean nameIdBean = new NameIDBean();
    nameIdBean.setNameValue("uid=joe,ou=people,ou=saml-demo,o=example.com");
    nameIdBean.setNameQualifier("www.example.com");
    NameID nameID = SAML2ComponentBuilder.createNameID(nameIdBean);

    Date notOnOrAfter = new Date();
    notOnOrAfter.setTime(notOnOrAfter.getTime() + 60L * 1000L);
    LogoutRequest logoutRequest =
        SamlpRequestComponentBuilder.createLogoutRequest(SAMLVersion.VERSION_20, issuer, null, null,
                                                         notOnOrAfter, null, nameID);

    Element policyElement = OpenSAMLUtil.toDom(logoutRequest, doc);
    doc.appendChild(policyElement);
    // String outputString = DOM2Writer.nodeToString(policyElement);
    assertNotNull(policyElement);
}
 

/**
 * Parse an EndpointReferenceType from a DOM element.  Handles all of
 * the WS-Addressing namespaces currently supported.
 * @param ref
 * @throws JAXBException
 */
public static EndpointReferenceType parseEndpointReference(Element ref) throws JAXBException {
    Element child = DOMUtils.getFirstElement(ref);
    String tns = null;
    while (child != null && tns == null) {
        if (isSupported(child.getNamespaceURI())) {
            tns = child.getNamespaceURI();
        }
        child = DOMUtils.getNextElement(child);
    }
    if (tns == null) {
        return null;
    }
    JAXBContext ctx = getExposedJAXBContext(tns);
    Unmarshaller um = ctx.createUnmarshaller();
    um.setEventHandler(null);
    try {
        JAXBElement<?> o = um.unmarshal(ref, getExposedReferenceType(tns));
        if (o != null) {
            return convertToNative(o.getValue());
        }
        return convertToNative(null);
    } finally {
        JAXBUtils.closeUnmarshaller(um);
    }
}
 

private Header findSecurityHeader(SoapMessage message, boolean create) {
    for (Header h : message.getHeaders()) {
        QName n = h.getName();
        if (n.getLocalPart().equals("Security")
            && (n.getNamespaceURI().equals(WSConstants.WSSE_NS) 
                || n.getNamespaceURI().equals(WSConstants.WSSE11_NS))) {
            return h;
        }
    }
    if (!create) {
        return null;
    }
    Document doc = DOMUtils.createDocument();
    Element el = doc.createElementNS(WSConstants.WSSE_NS, "wsse:Security");
    el.setAttributeNS(WSConstants.XMLNS_NS, "xmlns:wsse", WSConstants.WSSE_NS);
    SoapHeader sh = new SoapHeader(new QName(WSConstants.WSSE_NS, "Security"), el);
    sh.setMustUnderstand(true);
    message.getHeaders().add(sh);
    return sh;
}
 

@Override
public boolean handleMessage(SOAPMessageContext context) {
    // we are interested only in inbound messages here
    if ((Boolean)context.get(MessageContext.MESSAGE_OUTBOUND_PROPERTY)) {
        return true;
    }
    try {
        // read headers
        LOG.finer("Examining header elements");
        Element el = DOMUtils.getFirstElement(context.getMessage().getSOAPHeader());
        while (el != null) {
            if (el.getNamespaceURI().equals(namespace)
                && el.getLocalName().equals(elementName)) {
                LOG.log(Level.FINE, "found UUID parameter in header, uuid={0}", el.getTextContent());
                context.put("uuid", el.getTextContent());
            }
            el = DOMUtils.getNextElement(el);
        }
    } catch (SOAPException e) {
        throw new RuntimeException(e);
    }
    return true;
}
 

public Assertion build(Element element, AssertionBuilderFactory factory)
    throws IllegalArgumentException {
    
    SPConstants consts = SP11Constants.SP_NS.equals(element.getNamespaceURI())
        ? SP11Constants.INSTANCE : SP12Constants.INSTANCE;

    RecipientSignatureToken recipientSignatureToken = new RecipientSignatureToken(consts, builder);
    recipientSignatureToken.setOptional(PolicyConstants.isOptional(element));
    recipientSignatureToken.setIgnorable(PolicyConstants.isIgnorable(element));

    Policy policy = builder.getPolicy(DOMUtils.getFirstElement(element));
    policy = policy.normalize(builder.getPolicyRegistry(), false);

    for (Iterator<List<Assertion>> iterator = policy.getAlternatives(); iterator.hasNext();) {
        processAlternative(iterator.next(), recipientSignatureToken);
        break; // TODO process all the token that must be set ..
    }

    return recipientSignatureToken;
}
 

private Header findSecurityHeader(SoapMessage message, boolean create) {
    for (Header h : message.getHeaders()) {
        QName n = h.getName();
        if (n.getLocalPart().equals("Security")
            && (n.getNamespaceURI().equals(WSConstants.WSSE_NS) 
                || n.getNamespaceURI().equals(WSConstants.WSSE11_NS))) {
            return h;
        }
    }
    if (!create) {
        return null;
    }
    Document doc = DOMUtils.createDocument();
    Element el = doc.createElementNS(WSConstants.WSSE_NS, "wsse:Security");
    el.setAttributeNS(WSConstants.XMLNS_NS, "xmlns:wsse", WSConstants.WSSE_NS);
    SoapHeader sh = new SoapHeader(new QName(WSConstants.WSSE_NS, "Security"), el);
    sh.setMustUnderstand(true);
    message.getHeaders().add(sh);
    return sh;
}
 

private void checkGrammarsWithLinks(Element appElement, List<String> links) {
    assertFalse(links.isEmpty());
    List<Element> grammarEls = DOMUtils.getChildrenWithName(appElement, WadlGenerator.WADL_NS,
                                                            "grammars");
    assertEquals(1, grammarEls.size());
    List<Element> schemasEls = DOMUtils.getChildrenWithName(grammarEls.get(0),
                                                            Constants.URI_2001_SCHEMA_XSD,
                                                            "schema");
    assertEquals(0, schemasEls.size());

    List<Element> includeEls = DOMUtils.getChildrenWithName(grammarEls.get(0), WadlGenerator.WADL_NS,
                                                            "include");
    assertEquals(links.size(), includeEls.size());
    for (Element el : includeEls) {
        assertTrue(links.contains(el.getAttribute("href")));
    }
}
 

private void createFaultDetail(Document faultData, FaultInfo faultInfo, Fault faultEx) {
    MessagePartInfo partInfo = faultInfo.getMessageParts().get(0);
    QName partInfoName = partInfo.getElementQName();
    Document faultDoc = DOMUtils.getEmptyDocument();
    Element faultElement = faultDoc.createElement("detail");
    Element partElement =
        faultDoc.createElementNS(partInfoName.getNamespaceURI(), partInfoName.getLocalPart());

    Element faultDataElement = (Element) faultData.getFirstChild();
    Node node = faultDataElement.getFirstChild();
    while (node != null) {
        Node importedFaultData = faultDoc.importNode(node, true);
        partElement.appendChild(importedFaultData);
        node = node.getNextSibling();
    }
    faultElement.appendChild(partElement);
    faultEx.setDetail(faultElement);
}
 

public void handleMessage(Message message) throws Fault {
    try {
        SamlAssertionWrapper assertionWrapper = createAssertion(message);

        Document doc = DOMUtils.newDocument();
        Element assertionElement = assertionWrapper.toDOM(doc);
        String encodedToken = encodeToken(DOM2Writer.nodeToString(assertionElement));

        Map<String, List<String>> headers = getHeaders(message);

        StringBuilder builder = new StringBuilder();
        builder.append("SAML").append(' ').append(encodedToken);
        headers.put("Authorization",
            CastUtils.cast(Collections.singletonList(builder.toString()), String.class));

    } catch (Exception ex) {
        StringWriter sw = new StringWriter();
        ex.printStackTrace(new PrintWriter(sw));
        LOG.warning(sw.toString());
        throw new Fault(new RuntimeException(ex.getMessage() + ", stacktrace: " + sw.toString()));
    }

}
 

private void walkDom(String pfx, Element element, Binder<Node> binder, Object parent) {
    try {
        Object o = binder.getJAXBNode(element);
        if (o instanceof JAXBElement) {
            o = ((JAXBElement<?>)o).getValue();
        }
        //System.out.println(pfx + DOMUtils.getElementQName(element) + " ->  " 
        //    + (o == null ? "null" : o.getClass()));
        if (o == null && parent != null) {
            // if it's not able to bind to an object, it's possibly an xsd:any
            // we'll check the parent for the standard "any" and replace with 
            // the original element.
            Field f = parent.getClass().getDeclaredField("any");
            if (f.getAnnotation(XmlAnyElement.class) != null) {
                Object old = ReflectionUtil.setAccessible(f).get(parent);
                if (old instanceof Element
                    && DOMUtils.getElementQName(element).equals(DOMUtils.getElementQName((Element)old))) {
                    ReflectionUtil.setAccessible(f).set(parent, element);
                }
            }
        }
        if (o == null) {
            return;
        }
        Node nd = element.getFirstChild();
        while (nd != null) {
            if (nd instanceof Element) {
                walkDom(pfx + "  ", (Element)nd, binder, o);
            }
            nd = nd.getNextSibling();
        }
    } catch (Throwable t) {
        //ignore -this is a complete hack anyway
    }
}
 

private Document doEmptyNamespaceHack(Document d, boolean alreadyWritable) {
    boolean hasStuffToRemove = false;
    Element el = DOMUtils.getFirstElement(d.getDocumentElement());
    while (el != null) {
        if ("import".equals(el.getLocalName())
            && StringUtils.isEmpty(el.getAttribute("targetNamespace"))) {
            hasStuffToRemove = true;
            break;
        }
        el = DOMUtils.getNextElement(el);
    }
    if (hasStuffToRemove) {
        // create a copy of the dom so we
        // can modify it.
        if (!alreadyWritable) {
            d = copy(d);
        }
        el = DOMUtils.getFirstElement(d.getDocumentElement());
        while (el != null) {
            if ("import".equals(el.getLocalName())
                && StringUtils.isEmpty(el.getAttribute("targetNamespace"))) {
                d.getDocumentElement().removeChild(el);
                el = DOMUtils.getFirstElement(d.getDocumentElement());
            } else {
                el = DOMUtils.getNextElement(el);
            }
        }
    }

    return d;
}
 

private void processSamlToken(SoapMessage message) {
    Header h = findSecurityHeader(message, false);
    if (h == null) {
        return;
    }
    Element el = (Element)h.getObject();
    Element child = DOMUtils.getFirstElement(el);
    while (child != null) {
        if ("Assertion".equals(child.getLocalName())) {
            try {
                List<WSSecurityEngineResult> samlResults = processToken(child, message);
                if (samlResults != null) {
                    List<WSHandlerResult> results = CastUtils.cast((List<?>)message
                            .get(WSHandlerConstants.RECV_RESULTS));
                    if (results == null) {
                        results = new ArrayList<WSHandlerResult>();
                        message.put(WSHandlerConstants.RECV_RESULTS, results);
                    }
                    WSHandlerResult rResult = new WSHandlerResult(null, samlResults);
                    results.add(0, rResult);

                    assertSamlTokens(message);
                    
                    Principal principal = 
                        (Principal)samlResults.get(0).get(WSSecurityEngineResult.TAG_PRINCIPAL);
                    message.put(WSS4JInInterceptor.PRINCIPAL_RESULT, principal);                   
                    
                    SecurityContext sc = message.get(SecurityContext.class);
                    if (sc == null || sc.getUserPrincipal() == null) {
                        message.put(SecurityContext.class, new DefaultSecurityContext(principal, null));
                    }

                }
            } catch (WSSecurityException ex) {
                throw new Fault(ex);
            }
        }
        child = DOMUtils.getNextElement(child);
    }
}
 

private Element getActualRepElement(List<Element> repElements, Element xmlElement) {
    if (xmlElement != null) {
        return xmlElement;
    }
    for (Element el : repElements) {
        Element param = DOMUtils.getFirstChildWithName(el, getWadlNamespace(), "param");
        if (param != null) {
            return el;
        }
    }
    return repElements.isEmpty() ? null : repElements.get(0);
}
 

private Type getValueType(Element mapping, Element parameter) {
    String spec = DOMUtils.getAttributeValueEmptyNull(parameter, "valueType");
    if (spec == null) {
        return null;
    }
    return getGenericParameterFromSpec(mapping, spec);
}
 

private void processAlternative(Element element, Wss11 parent, SPConstants consts) {
    Element polEl = PolicyConstants.findPolicyElement(element);
    if (polEl != null) {
        Element child = DOMUtils.getFirstElement(polEl);
        while (child != null) {
            String name = child.getLocalName();

            if (SPConstants.MUST_SUPPORT_REF_KEY_IDENTIFIER.equals(name)) {
                parent.setMustSupportRefKeyIdentifier(true);
            } else if (SPConstants.MUST_SUPPORT_REF_ISSUER_SERIAL.equals(name)) {
                parent.setMustSupportRefIssuerSerial(true);
            } else if (SPConstants.MUST_SUPPORT_REF_EXTERNAL_URI.equals(name)) {
                parent.setMustSupportRefExternalURI(true);
            } else if (SPConstants.MUST_SUPPORT_REF_EMBEDDED_TOKEN.equals(name)) {
                parent.setMustSupportRefEmbeddedToken(true);

            } else if (SPConstants.MUST_SUPPORT_REF_THUMBPRINT.equals(name)) {
                parent.setMustSupportRefThumbprint(true);

            } else if (SPConstants.MUST_SUPPORT_REF_ENCRYPTED_KEY.equals(name)) {
                parent.setMustSupportRefEncryptedKey(true);

            } else if (SPConstants.REQUIRE_SIGNATURE_CONFIRMATION.equals(name)) {
                parent.setRequireSignatureConfirmation(true);
            } 
            child = DOMUtils.getNextElement(child);
        }
    }
}
 

protected static void convertToQNamesMap(Map<String, String> map,
                                         QNamesMap elementsMap,
                                         Map<String, String> nsMap) {
    if (map != null) {
        for (Map.Entry<String, String> entry : map.entrySet()) {
            QName lname = DOMUtils.convertStringToQName(entry.getKey());
            QName rname = DOMUtils.convertStringToQName(entry.getValue());
            elementsMap.put(lname, rname);
            if (nsMap != null && !isEmptyQName(rname)
                && ("*".equals(lname.getLocalPart()) && "*".equals(rname.getLocalPart()))) {
                nsMap.put(lname.getNamespaceURI(), rname.getNamespaceURI());
            }
        }
    }
}