com.sun.xml.internal.ws.policy.sourcemodel.wspolicy.NamespaceVersion Java Examples

@Override
public boolean definitionsElements(final XMLStreamReader reader){
    LOGGER.entering();
    if (NamespaceVersion.resolveAsToken(reader.getName()) == XmlToken.Policy) {     // Only "Policy" element interests me
        readSinglePolicy(
                policyReader.readPolicyElement(
                reader,
                (null == reader.getLocation().getSystemId()) ? // baseUrl
                    "" : reader.getLocation().getSystemId()),
                false);
        LOGGER.exiting();
        return true;
    }
    LOGGER.exiting();
    return false;
}
 

/**
 * Constructor that should be overridden by child implementation. The constructor allows for easy toString() output
 * customization.
 *
 * @param nsVersion Policy namespace version to be used when marshalling the policy expression
 * @param toStringName a general name of the object (such as 'policy' or 'nested policy') that will be used in the
 * toString() method to identify the object.
 * @param sets represents the collection of policy alternatives of the policy object created. During the creation of
 * the new policy object, the content of the alternatives collection is copied into an internal policy object structure,
 * thus any subsequent operations on the collection will have no impact on the newly constructed policy object. The
 * collection may be {@code null} or empty. In such case a 'NULL' policy object is constructed.
 */
Policy(final NamespaceVersion nsVersion, final String toStringName, final Collection<AssertionSet> sets) {
    this.nsVersion = nsVersion;
    this.toStringName = toStringName;

    if (sets == null || sets.isEmpty()) {
        this.assertionSets = NULL_POLICY_ASSERTION_SETS;
        this.vocabulary = EMPTY_VOCABULARY;
        this.immutableVocabulary = EMPTY_VOCABULARY;
    } else {
        this.assertionSets = new LinkedList<AssertionSet>();
        this.vocabulary = new TreeSet<QName>(PolicyUtils.Comparison.QNAME_COMPARATOR);
        this.immutableVocabulary = Collections.unmodifiableCollection(this.vocabulary);

        addAll(sets);
    }
}
 

/**
 * Reads policy reference element <wsp:PolicyReference/> and returns referenced policy URI as String
 *
 * @param reader The XMLStreamReader should be in START_ELEMENT state and point to the PolicyReference element.
 * @return The URI contained in the PolicyReference
 */
public String readPolicyReferenceElement(final XMLStreamReader reader) {
    try {
        if (NamespaceVersion.resolveAsToken(reader.getName()) == XmlToken.PolicyReference) {     // "PolicyReference" element interests me
            for (int i = 0; i < reader.getAttributeCount(); i++) {
                if (XmlToken.resolveToken(reader.getAttributeName(i).getLocalPart()) == XmlToken.Uri) {
                    final String uriValue = reader.getAttributeValue(i);
                    reader.next();
                    return uriValue;
                }
            }
        }
        reader.next();
        return null;
    } catch(XMLStreamException e) {
        throw LOGGER.logSevereException(new WebServiceException(PolicyMessages.WSP_1001_XML_EXCEPTION_WHEN_PROCESSING_POLICY_REFERENCE(), e));
    }
}
 

@Override
public boolean definitionsElements(final XMLStreamReader reader){
    LOGGER.entering();
    if (NamespaceVersion.resolveAsToken(reader.getName()) == XmlToken.Policy) {     // Only "Policy" element interests me
        readSinglePolicy(
                policyReader.readPolicyElement(
                reader,
                (null == reader.getLocation().getSystemId()) ? // baseUrl
                    "" : reader.getLocation().getSystemId()),
                false);
        LOGGER.exiting();
        return true;
    }
    LOGGER.exiting();
    return false;
}
 

@Override
public boolean definitionsElements(final XMLStreamReader reader){
    LOGGER.entering();
    if (NamespaceVersion.resolveAsToken(reader.getName()) == XmlToken.Policy) {     // Only "Policy" element interests me
        readSinglePolicy(
                policyReader.readPolicyElement(
                reader,
                (null == reader.getLocation().getSystemId()) ? // baseUrl
                    "" : reader.getLocation().getSystemId()),
                false);
        LOGGER.exiting();
        return true;
    }
    LOGGER.exiting();
    return false;
}
 

private boolean processSubelement(
        final WSDLObject element, final XMLStreamReader reader, final Map<WSDLObject, Collection<PolicyRecordHandler>> map) {
    if (NamespaceVersion.resolveAsToken(reader.getName()) == XmlToken.PolicyReference) {     // "PolicyReference" element interests us
        processReferenceUri(policyReader.readPolicyReferenceElement(reader), element, reader, map);
        return true;
    } else if (NamespaceVersion.resolveAsToken(reader.getName()) == XmlToken.Policy) {   // policy could be defined here
        final PolicyRecordHandler handler =
                readSinglePolicy(
                policyReader.readPolicyElement(
                reader,
                (null == reader.getLocation().getSystemId()) ? // baseUrl
                    "" : reader.getLocation().getSystemId()),
                true);
        if (null != handler) {           // only policies with an Id can work for us
            addHandlerToMap(map, element, handler);
        } // endif null != handler
        return true; // element consumed
    }//end if Policy element found
    return false;
}
 

/**
 * Constructor that should be overridden by child implementation. The constructor allows for easy toString() output
 * customization.
 *
 * @param nsVersion Policy namespace version to be used when marshalling the policy expression
 * @param toStringName a general name of the object (such as 'policy' or 'nested policy') that will be used in the
 * toString() method to identify the object.
 * @param sets represents the collection of policy alternatives of the policy object created. During the creation of
 * the new policy object, the content of the alternatives collection is copied into an internal policy object structure,
 * thus any subsequent operations on the collection will have no impact on the newly constructed policy object. The
 * collection may be {@code null} or empty. In such case a 'NULL' policy object is constructed.
 */
Policy(final NamespaceVersion nsVersion, final String toStringName, final Collection<AssertionSet> sets) {
    this.nsVersion = nsVersion;
    this.toStringName = toStringName;

    if (sets == null || sets.isEmpty()) {
        this.assertionSets = NULL_POLICY_ASSERTION_SETS;
        this.vocabulary = EMPTY_VOCABULARY;
        this.immutableVocabulary = EMPTY_VOCABULARY;
    } else {
        this.assertionSets = new LinkedList<AssertionSet>();
        this.vocabulary = new TreeSet<QName>(PolicyUtils.Comparison.QNAME_COMPARATOR);
        this.immutableVocabulary = Collections.unmodifiableCollection(this.vocabulary);

        addAll(sets);
    }
}
 

private PolicySourceModel initializeNewModel(final StartElement element) throws PolicyException, XMLStreamException {
    PolicySourceModel model;

    final NamespaceVersion nsVersion = NamespaceVersion.resolveVersion(element.getName().getNamespaceURI());

    final Attribute policyName = getAttributeByName(element, nsVersion.asQName(XmlToken.Name));
    final Attribute xmlId = getAttributeByName(element, PolicyConstants.XML_ID);
    Attribute policyId = getAttributeByName(element, PolicyConstants.WSU_ID);

    if (policyId == null) {
        policyId = xmlId;
    } else if (xmlId != null) {
        throw LOGGER.logSevereException(new PolicyException(LocalizationMessages.WSP_0058_MULTIPLE_POLICY_IDS_NOT_ALLOWED()));
    }

    model = createSourceModel(nsVersion,
            (policyId == null) ? null : policyId.getValue(),
            (policyName == null) ? null : policyName.getValue());

    return model;
}
 

@Override
public boolean definitionsElements(final XMLStreamReader reader){
    LOGGER.entering();
    if (NamespaceVersion.resolveAsToken(reader.getName()) == XmlToken.Policy) {     // Only "Policy" element interests me
        readSinglePolicy(
                policyReader.readPolicyElement(
                reader,
                (null == reader.getLocation().getSystemId()) ? // baseUrl
                    "" : reader.getLocation().getSystemId()),
                false);
        LOGGER.exiting();
        return true;
    }
    LOGGER.exiting();
    return false;
}
 

private PolicySourceModel initializeNewModel(final StartElement element) throws PolicyException, XMLStreamException {
    PolicySourceModel model;

    final NamespaceVersion nsVersion = NamespaceVersion.resolveVersion(element.getName().getNamespaceURI());

    final Attribute policyName = getAttributeByName(element, nsVersion.asQName(XmlToken.Name));
    final Attribute xmlId = getAttributeByName(element, PolicyConstants.XML_ID);
    Attribute policyId = getAttributeByName(element, PolicyConstants.WSU_ID);

    if (policyId == null) {
        policyId = xmlId;
    } else if (xmlId != null) {
        throw LOGGER.logSevereException(new PolicyException(LocalizationMessages.WSP_0058_MULTIPLE_POLICY_IDS_NOT_ALLOWED()));
    }

    model = createSourceModel(nsVersion,
            (policyId == null) ? null : policyId.getValue(),
            (policyName == null) ? null : policyName.getValue());

    return model;
}
 

private PolicySourceModel initializeNewModel(final StartElement element) throws PolicyException, XMLStreamException {
    PolicySourceModel model;

    final NamespaceVersion nsVersion = NamespaceVersion.resolveVersion(element.getName().getNamespaceURI());

    final Attribute policyName = getAttributeByName(element, nsVersion.asQName(XmlToken.Name));
    final Attribute xmlId = getAttributeByName(element, PolicyConstants.XML_ID);
    Attribute policyId = getAttributeByName(element, PolicyConstants.WSU_ID);

    if (policyId == null) {
        policyId = xmlId;
    } else if (xmlId != null) {
        throw LOGGER.logSevereException(new PolicyException(LocalizationMessages.WSP_0058_MULTIPLE_POLICY_IDS_NOT_ALLOWED()));
    }

    model = createSourceModel(nsVersion,
            (policyId == null) ? null : policyId.getValue(),
            (policyName == null) ? null : policyName.getValue());

    return model;
}
 

/**
 * Reads policy reference element <wsp:PolicyReference/> and returns referenced policy URI as String
 *
 * @param reader The XMLStreamReader should be in START_ELEMENT state and point to the PolicyReference element.
 * @return The URI contained in the PolicyReference
 */
public String readPolicyReferenceElement(final XMLStreamReader reader) {
    try {
        if (NamespaceVersion.resolveAsToken(reader.getName()) == XmlToken.PolicyReference) {     // "PolicyReference" element interests me
            for (int i = 0; i < reader.getAttributeCount(); i++) {
                if (XmlToken.resolveToken(reader.getAttributeName(i).getLocalPart()) == XmlToken.Uri) {
                    final String uriValue = reader.getAttributeValue(i);
                    reader.next();
                    return uriValue;
                }
            }
        }
        reader.next();
        return null;
    } catch(XMLStreamException e) {
        throw LOGGER.logSevereException(new WebServiceException(PolicyMessages.WSP_1001_XML_EXCEPTION_WHEN_PROCESSING_POLICY_REFERENCE(), e));
    }
}
 

private boolean processSubelement(
        final WSDLObject element, final XMLStreamReader reader, final Map<WSDLObject, Collection<PolicyRecordHandler>> map) {
    if (NamespaceVersion.resolveAsToken(reader.getName()) == XmlToken.PolicyReference) {     // "PolicyReference" element interests us
        processReferenceUri(policyReader.readPolicyReferenceElement(reader), element, reader, map);
        return true;
    } else if (NamespaceVersion.resolveAsToken(reader.getName()) == XmlToken.Policy) {   // policy could be defined here
        final PolicyRecordHandler handler =
                readSinglePolicy(
                policyReader.readPolicyElement(
                reader,
                (null == reader.getLocation().getSystemId()) ? // baseUrl
                    "" : reader.getLocation().getSystemId()),
                true);
        if (null != handler) {           // only policies with an Id can work for us
            addHandlerToMap(map, element, handler);
        } // endif null != handler
        return true; // element consumed
    }//end if Policy element found
    return false;
}
 

/**
 * Constructor that should be overridden by child implementation. The constructor allows for easy toString() output
 * customization.
 *
 * @param toStringName a general name of the object (such as 'policy' or 'nested policy') that will be used in the
 * toString() method to identify the object.
 * @param sets represents the collection of policy alternatives of the policy object created. During the creation of
 * the new policy object, the content of the alternatives collection is copied into an internal policy object structure,
 * thus any subsequent operations on the collection will have no impact on the newly constructed policy object. The
 * collection may be {@code null} or empty. In such case a 'NULL' policy object is constructed.
 */
Policy(final String toStringName, final Collection<AssertionSet> sets) {
    this.nsVersion = NamespaceVersion.getLatestVersion();
    this.toStringName = toStringName;

    if (sets == null || sets.isEmpty()) {
        this.assertionSets = NULL_POLICY_ASSERTION_SETS;
        this.vocabulary = EMPTY_VOCABULARY;
        this.immutableVocabulary = EMPTY_VOCABULARY;
    } else {
        this.assertionSets = new LinkedList<AssertionSet>();
        this.vocabulary = new TreeSet<QName>(PolicyUtils.Comparison.QNAME_COMPARATOR);
        this.immutableVocabulary = Collections.unmodifiableCollection(this.vocabulary);

        addAll(sets);
    }
}
 

/**
 * See {@link PolicyModelUnmarshaller#unmarshalModel(Object) base method documentation}.
 */
public PolicySourceModel unmarshalModel(final Object storage) throws PolicyException {
    final XMLEventReader reader = createXMLEventReader(storage);
    PolicySourceModel model = null;

    loop:
    while (reader.hasNext()) {
        try {
            final XMLEvent event = reader.peek();
            switch (event.getEventType()) {
                case XMLStreamConstants.START_DOCUMENT:
                case XMLStreamConstants.COMMENT:
                    reader.nextEvent();
                    break; // skipping the comments and start document events
                case XMLStreamConstants.CHARACTERS:
                    processCharacters(ModelNode.Type.POLICY, event.asCharacters(), null);
                    // we advance the reader only if there is no exception thrown from
                    // the processCharacters(...) call. Otherwise we don't modify the stream
                    reader.nextEvent();
                    break;
                case XMLStreamConstants.START_ELEMENT:
                    if (NamespaceVersion.resolveAsToken(event.asStartElement().getName()) == XmlToken.Policy) {
                        StartElement rootElement = reader.nextEvent().asStartElement();

                        model = initializeNewModel(rootElement);
                        unmarshalNodeContent(model.getNamespaceVersion(), model.getRootNode(), rootElement.getName(), reader);

                        break loop;
                    } else {
                        throw LOGGER.logSevereException(new PolicyException(LocalizationMessages.WSP_0048_POLICY_ELEMENT_EXPECTED_FIRST()));
                    }
                default:
                    throw LOGGER.logSevereException(new PolicyException(LocalizationMessages.WSP_0048_POLICY_ELEMENT_EXPECTED_FIRST()));
            }
        } catch (XMLStreamException e) {
            throw LOGGER.logSevereException(new PolicyException(LocalizationMessages.WSP_0068_FAILED_TO_UNMARSHALL_POLICY_EXPRESSION(), e));
        }
    }
    return model;
}
 

/**
 * Takes collection of policies and merges them into a single policy using algorithm described in
 * WS-PolicyAttachment specification. None of the original policies in the collection are modified in
 * any way.
 *
 * The newly created policy has an ID that is a concatentation of all merged policy IDs.
 *
 * @param policies collection of policies to be merged. The collection must not contain '{@code null}' elements!
 * @return merged policy containing combination of policy alternatives stored in all input policies.
 *         If provided collection of policies is {@code null} or empty, returns {@code null}. If provided
 *         collection of policies contains only single policy, the policy is returned.
 */
public Policy merge(final Collection<Policy> policies) {
    if (policies == null || policies.isEmpty()) {
        return null;
    } else if (policies.size() == 1) {
        return policies.iterator().next();
    }

    final Collection<Collection<AssertionSet>> alternativeSets = new LinkedList<Collection<AssertionSet>>();
    final StringBuilder id = new StringBuilder();
    NamespaceVersion mergedVersion = policies.iterator().next().getNamespaceVersion();
    for (Policy policy : policies) {
        alternativeSets.add(policy.getContent());
        if (mergedVersion.compareTo(policy.getNamespaceVersion()) < 0) {
            mergedVersion = policy.getNamespaceVersion();
        }
        final String policyId = policy.getId();
        if (policyId != null) {
            if (id.length() > 0) {
                id.append('-');
            }
            id.append(policyId);
        }
    }

    final Collection<Collection<AssertionSet>> combinedAlternatives = PolicyUtils.Collections.combine(null, alternativeSets, false);

    if (combinedAlternatives == null || combinedAlternatives.isEmpty()) {
        return Policy.createNullPolicy(mergedVersion, null, id.length() == 0 ? null : id.toString());
    } else {
        final Collection<AssertionSet> mergedSetList = new ArrayList<AssertionSet>(combinedAlternatives.size());
        for (Collection<AssertionSet> toBeMerged : combinedAlternatives) {
            mergedSetList.add(AssertionSet.createMergedAssertionSet(toBeMerged));
        }
        return Policy.createPolicy(mergedVersion, null, id.length() == 0 ? null : id.toString(), mergedSetList);
    }
}
 

/**
 * Marshal given ModelNode and child elements on given TypedXmlWriter.
 *
 * @param nsVersion The WS-Policy version.
 * @param rootNode The ModelNode that is marshalled.
 * @param writer The TypedXmlWriter onto which the content of the rootNode is marshalled.
 */
private void marshal(final NamespaceVersion nsVersion, final ModelNode rootNode, final TypedXmlWriter writer) {
    for (ModelNode node : rootNode) {
        final AssertionData data = node.getNodeData();
        if (marshallInvisible || data == null || !data.isPrivateAttributeSet()) {
            TypedXmlWriter child = null;
            if (data == null) {
                child = writer._element(nsVersion.asQName(node.getType().getXmlToken()), TypedXmlWriter.class);
            } else {
                child = writer._element(data.getName(), TypedXmlWriter.class);
                final String value = data.getValue();
                if (value != null) {
                    child._pcdata(value);
                }
                if (data.isOptionalAttributeSet()) {
                    child._attribute(nsVersion.asQName(XmlToken.Optional), Boolean.TRUE);
                }
                if (data.isIgnorableAttributeSet()) {
                    child._attribute(nsVersion.asQName(XmlToken.Ignorable), Boolean.TRUE);
                }
                for (Entry<QName, String> entry : data.getAttributesSet()) {
                    child._attribute(entry.getKey(), entry.getValue());
                }
            }
            marshal(nsVersion, node, child);
        }
    }
}
 

/**
 * Marshal given ModelNode and child elements on given TypedXmlWriter.
 *
 * @param nsVersion The WS-Policy version.
 * @param rootNode The ModelNode that is marshalled.
 * @param writer The TypedXmlWriter onto which the content of the rootNode is marshalled.
 */
private void marshal(final NamespaceVersion nsVersion, final ModelNode rootNode, final TypedXmlWriter writer) {
    for (ModelNode node : rootNode) {
        final AssertionData data = node.getNodeData();
        if (marshallInvisible || data == null || !data.isPrivateAttributeSet()) {
            TypedXmlWriter child = null;
            if (data == null) {
                child = writer._element(nsVersion.asQName(node.getType().getXmlToken()), TypedXmlWriter.class);
            } else {
                child = writer._element(data.getName(), TypedXmlWriter.class);
                final String value = data.getValue();
                if (value != null) {
                    child._pcdata(value);
                }
                if (data.isOptionalAttributeSet()) {
                    child._attribute(nsVersion.asQName(XmlToken.Optional), Boolean.TRUE);
                }
                if (data.isIgnorableAttributeSet()) {
                    child._attribute(nsVersion.asQName(XmlToken.Ignorable), Boolean.TRUE);
                }
                for (Entry<QName, String> entry : data.getAttributesSet()) {
                    child._attribute(entry.getKey(), entry.getValue());
                }
            }
            marshal(nsVersion, node, child);
        }
    }
}
 

/**
 * Takes collection of policies and merges them into a single policy using algorithm described in
 * WS-PolicyAttachment specification. None of the original policies in the collection are modified in
 * any way.
 *
 * The newly created policy has an ID that is a concatentation of all merged policy IDs.
 *
 * @param policies collection of policies to be merged. The collection must not contain '{@code null}' elements!
 * @return merged policy containing combination of policy alternatives stored in all input policies.
 *         If provided collection of policies is {@code null} or empty, returns {@code null}. If provided
 *         collection of policies contains only single policy, the policy is returned.
 */
public Policy merge(final Collection<Policy> policies) {
    if (policies == null || policies.isEmpty()) {
        return null;
    } else if (policies.size() == 1) {
        return policies.iterator().next();
    }

    final Collection<Collection<AssertionSet>> alternativeSets = new LinkedList<Collection<AssertionSet>>();
    final StringBuilder id = new StringBuilder();
    NamespaceVersion mergedVersion = policies.iterator().next().getNamespaceVersion();
    for (Policy policy : policies) {
        alternativeSets.add(policy.getContent());
        if (mergedVersion.compareTo(policy.getNamespaceVersion()) < 0) {
            mergedVersion = policy.getNamespaceVersion();
        }
        final String policyId = policy.getId();
        if (policyId != null) {
            if (id.length() > 0) {
                id.append('-');
            }
            id.append(policyId);
        }
    }

    final Collection<Collection<AssertionSet>> combinedAlternatives = PolicyUtils.Collections.combine(null, alternativeSets, false);

    if (combinedAlternatives == null || combinedAlternatives.isEmpty()) {
        return Policy.createNullPolicy(mergedVersion, null, id.length() == 0 ? null : id.toString());
    } else {
        final Collection<AssertionSet> mergedSetList = new ArrayList<AssertionSet>(combinedAlternatives.size());
        for (Collection<AssertionSet> toBeMerged : combinedAlternatives) {
            mergedSetList.add(AssertionSet.createMergedAssertionSet(toBeMerged));
        }
        return Policy.createPolicy(mergedVersion, null, id.length() == 0 ? null : id.toString(), mergedSetList);
    }
}
 

@Override
public void start(final WSDLGenExtnContext context) {
    LOGGER.entering();
    try {
        this.seiModel = context.getModel();

        final PolicyMapConfigurator[] policyMapConfigurators = loadConfigurators();
        final PolicyMapExtender[] extenders = new PolicyMapExtender[policyMapConfigurators.length];
        for (int i = 0; i < policyMapConfigurators.length; i++) {
            extenders[i] = PolicyMapExtender.createPolicyMapExtender();
        }
        // Read policy config file
        policyMap = PolicyResolverFactory.create().resolve(
                new PolicyResolver.ServerContext(policyMap, context.getContainer(), context.getEndpointClass(), false, extenders));

        if (policyMap == null) {
            LOGGER.fine(PolicyMessages.WSP_1019_CREATE_EMPTY_POLICY_MAP());
            policyMap = PolicyMap.createPolicyMap(Arrays.asList(extenders));
        }

        final WSBinding binding = context.getBinding();
        try {
            final Collection<PolicySubject> policySubjects = new LinkedList<PolicySubject>();
            for (int i = 0; i < policyMapConfigurators.length; i++) {
                policySubjects.addAll(policyMapConfigurators[i].update(policyMap, seiModel, binding));
                extenders[i].disconnect();
            }
            PolicyMapUtil.insertPolicies(policyMap, policySubjects, this.seiModel.getServiceQName(), this.seiModel.getPortName());
        } catch (PolicyException e) {
            throw LOGGER.logSevereException(new WebServiceException(PolicyMessages.WSP_1017_MAP_UPDATE_FAILED(), e));
        }
        final TypedXmlWriter root = context.getRoot();
        root._namespace(NamespaceVersion.v1_2.toString(), NamespaceVersion.v1_2.getDefaultNamespacePrefix());
        root._namespace(NamespaceVersion.v1_5.toString(), NamespaceVersion.v1_5.getDefaultNamespacePrefix());
        root._namespace(PolicyConstants.WSU_NAMESPACE_URI, PolicyConstants.WSU_NAMESPACE_PREFIX);

    } finally {
        LOGGER.exiting();
    }
}
 

@Override
public void start(final WSDLGenExtnContext context) {
    LOGGER.entering();
    try {
        this.seiModel = context.getModel();

        final PolicyMapConfigurator[] policyMapConfigurators = loadConfigurators();
        final PolicyMapExtender[] extenders = new PolicyMapExtender[policyMapConfigurators.length];
        for (int i = 0; i < policyMapConfigurators.length; i++) {
            extenders[i] = PolicyMapExtender.createPolicyMapExtender();
        }
        // Read policy config file
        policyMap = PolicyResolverFactory.create().resolve(
                new PolicyResolver.ServerContext(policyMap, context.getContainer(), context.getEndpointClass(), false, extenders));

        if (policyMap == null) {
            LOGGER.fine(PolicyMessages.WSP_1019_CREATE_EMPTY_POLICY_MAP());
            policyMap = PolicyMap.createPolicyMap(Arrays.asList(extenders));
        }

        final WSBinding binding = context.getBinding();
        try {
            final Collection<PolicySubject> policySubjects = new LinkedList<PolicySubject>();
            for (int i = 0; i < policyMapConfigurators.length; i++) {
                policySubjects.addAll(policyMapConfigurators[i].update(policyMap, seiModel, binding));
                extenders[i].disconnect();
            }
            PolicyMapUtil.insertPolicies(policyMap, policySubjects, this.seiModel.getServiceQName(), this.seiModel.getPortName());
        } catch (PolicyException e) {
            throw LOGGER.logSevereException(new WebServiceException(PolicyMessages.WSP_1017_MAP_UPDATE_FAILED(), e));
        }
        final TypedXmlWriter root = context.getRoot();
        root._namespace(NamespaceVersion.v1_2.toString(), NamespaceVersion.v1_2.getDefaultNamespacePrefix());
        root._namespace(NamespaceVersion.v1_5.toString(), NamespaceVersion.v1_5.getDefaultNamespacePrefix());
        root._namespace(PolicyConstants.WSU_NAMESPACE_URI, PolicyConstants.WSU_NAMESPACE_PREFIX);

    } finally {
        LOGGER.exiting();
    }
}
 

/**
 * Takes collection of policies and merges them into a single policy using algorithm described in
 * WS-PolicyAttachment specification. None of the original policies in the collection are modified in
 * any way.
 *
 * The newly created policy has an ID that is a concatentation of all merged policy IDs.
 *
 * @param policies collection of policies to be merged. The collection must not contain '{@code null}' elements!
 * @return merged policy containing combination of policy alternatives stored in all input policies.
 *         If provided collection of policies is {@code null} or empty, returns {@code null}. If provided
 *         collection of policies contains only single policy, the policy is returned.
 */
public Policy merge(final Collection<Policy> policies) {
    if (policies == null || policies.isEmpty()) {
        return null;
    } else if (policies.size() == 1) {
        return policies.iterator().next();
    }

    final Collection<Collection<AssertionSet>> alternativeSets = new LinkedList<Collection<AssertionSet>>();
    final StringBuilder id = new StringBuilder();
    NamespaceVersion mergedVersion = policies.iterator().next().getNamespaceVersion();
    for (Policy policy : policies) {
        alternativeSets.add(policy.getContent());
        if (mergedVersion.compareTo(policy.getNamespaceVersion()) < 0) {
            mergedVersion = policy.getNamespaceVersion();
        }
        final String policyId = policy.getId();
        if (policyId != null) {
            if (id.length() > 0) {
                id.append('-');
            }
            id.append(policyId);
        }
    }

    final Collection<Collection<AssertionSet>> combinedAlternatives = PolicyUtils.Collections.combine(null, alternativeSets, false);

    if (combinedAlternatives == null || combinedAlternatives.isEmpty()) {
        return Policy.createNullPolicy(mergedVersion, null, id.length() == 0 ? null : id.toString());
    } else {
        final Collection<AssertionSet> mergedSetList = new ArrayList<AssertionSet>(combinedAlternatives.size());
        for (Collection<AssertionSet> toBeMerged : combinedAlternatives) {
            mergedSetList.add(AssertionSet.createMergedAssertionSet(toBeMerged));
        }
        return Policy.createPolicy(mergedVersion, null, id.length() == 0 ? null : id.toString(), mergedSetList);
    }
}
 

/**
 * Takes collection of policies and merges them into a single policy using algorithm described in
 * WS-PolicyAttachment specification. None of the original policies in the collection are modified in
 * any way.
 *
 * The newly created policy has an ID that is a concatentation of all merged policy IDs.
 *
 * @param policies collection of policies to be merged. The collection must not contain '{@code null}' elements!
 * @return merged policy containing combination of policy alternatives stored in all input policies.
 *         If provided collection of policies is {@code null} or empty, returns {@code null}. If provided
 *         collection of policies contains only single policy, the policy is returned.
 */
public Policy merge(final Collection<Policy> policies) {
    if (policies == null || policies.isEmpty()) {
        return null;
    } else if (policies.size() == 1) {
        return policies.iterator().next();
    }

    final Collection<Collection<AssertionSet>> alternativeSets = new LinkedList<Collection<AssertionSet>>();
    final StringBuilder id = new StringBuilder();
    NamespaceVersion mergedVersion = policies.iterator().next().getNamespaceVersion();
    for (Policy policy : policies) {
        alternativeSets.add(policy.getContent());
        if (mergedVersion.compareTo(policy.getNamespaceVersion()) < 0) {
            mergedVersion = policy.getNamespaceVersion();
        }
        final String policyId = policy.getId();
        if (policyId != null) {
            if (id.length() > 0) {
                id.append('-');
            }
            id.append(policyId);
        }
    }

    final Collection<Collection<AssertionSet>> combinedAlternatives = PolicyUtils.Collections.combine(null, alternativeSets, false);

    if (combinedAlternatives == null || combinedAlternatives.isEmpty()) {
        return Policy.createNullPolicy(mergedVersion, null, id.length() == 0 ? null : id.toString());
    } else {
        final Collection<AssertionSet> mergedSetList = new ArrayList<AssertionSet>(combinedAlternatives.size());
        for (Collection<AssertionSet> toBeMerged : combinedAlternatives) {
            mergedSetList.add(AssertionSet.createMergedAssertionSet(toBeMerged));
        }
        return Policy.createPolicy(mergedVersion, null, id.length() == 0 ? null : id.toString(), mergedSetList);
    }
}
 

@Override
public void start(final WSDLGenExtnContext context) {
    LOGGER.entering();
    try {
        this.seiModel = context.getModel();

        final PolicyMapConfigurator[] policyMapConfigurators = loadConfigurators();
        final PolicyMapExtender[] extenders = new PolicyMapExtender[policyMapConfigurators.length];
        for (int i = 0; i < policyMapConfigurators.length; i++) {
            extenders[i] = PolicyMapExtender.createPolicyMapExtender();
        }
        // Read policy config file
        policyMap = PolicyResolverFactory.create().resolve(
                new PolicyResolver.ServerContext(policyMap, context.getContainer(), context.getEndpointClass(), false, extenders));

        if (policyMap == null) {
            LOGGER.fine(PolicyMessages.WSP_1019_CREATE_EMPTY_POLICY_MAP());
            policyMap = PolicyMap.createPolicyMap(Arrays.asList(extenders));
        }

        final WSBinding binding = context.getBinding();
        try {
            final Collection<PolicySubject> policySubjects = new LinkedList<PolicySubject>();
            for (int i = 0; i < policyMapConfigurators.length; i++) {
                policySubjects.addAll(policyMapConfigurators[i].update(policyMap, seiModel, binding));
                extenders[i].disconnect();
            }
            PolicyMapUtil.insertPolicies(policyMap, policySubjects, this.seiModel.getServiceQName(), this.seiModel.getPortName());
        } catch (PolicyException e) {
            throw LOGGER.logSevereException(new WebServiceException(PolicyMessages.WSP_1017_MAP_UPDATE_FAILED(), e));
        }
        final TypedXmlWriter root = context.getRoot();
        root._namespace(NamespaceVersion.v1_2.toString(), NamespaceVersion.v1_2.getDefaultNamespacePrefix());
        root._namespace(NamespaceVersion.v1_5.toString(), NamespaceVersion.v1_5.getDefaultNamespacePrefix());
        root._namespace(PolicyConstants.WSU_NAMESPACE_URI, PolicyConstants.WSU_NAMESPACE_PREFIX);

    } finally {
        LOGGER.exiting();
    }
}
 

/**
 * Reads policy reference URIs from PolicyURIs attribute and returns them
 * as a String array returns null if there is no such attribute. This method
 * will attempt to check for the attribute in every supported policy namespace.
 * Resulting array of URIs is concatenation of URIs defined in all found
 * PolicyURIs attribute version.
 */
private String[] getPolicyURIsFromAttr(final XMLStreamReader reader) {
    final StringBuilder policyUriBuffer = new StringBuilder();
    for (NamespaceVersion version : NamespaceVersion.values()) {
        final String value = reader.getAttributeValue(version.toString(), XmlToken.PolicyUris.toString());
        if (value != null) {
            policyUriBuffer.append(value).append(" ");
        }
    }
    return (policyUriBuffer.length() > 0) ? policyUriBuffer.toString().split("[\\n ]+") : null;
}
 

/**
 * Takes collection of policies and merges them into a single policy using algorithm described in
 * WS-PolicyAttachment specification. None of the original policies in the collection are modified in
 * any way.
 *
 * The newly created policy has an ID that is a concatentation of all merged policy IDs.
 *
 * @param policies collection of policies to be merged. The collection must not contain '{@code null}' elements!
 * @return merged policy containing combination of policy alternatives stored in all input policies.
 *         If provided collection of policies is {@code null} or empty, returns {@code null}. If provided
 *         collection of policies contains only single policy, the policy is returned.
 */
public Policy merge(final Collection<Policy> policies) {
    if (policies == null || policies.isEmpty()) {
        return null;
    } else if (policies.size() == 1) {
        return policies.iterator().next();
    }

    final Collection<Collection<AssertionSet>> alternativeSets = new LinkedList<Collection<AssertionSet>>();
    final StringBuilder id = new StringBuilder();
    NamespaceVersion mergedVersion = policies.iterator().next().getNamespaceVersion();
    for (Policy policy : policies) {
        alternativeSets.add(policy.getContent());
        if (mergedVersion.compareTo(policy.getNamespaceVersion()) < 0) {
            mergedVersion = policy.getNamespaceVersion();
        }
        final String policyId = policy.getId();
        if (policyId != null) {
            if (id.length() > 0) {
                id.append('-');
            }
            id.append(policyId);
        }
    }

    final Collection<Collection<AssertionSet>> combinedAlternatives = PolicyUtils.Collections.combine(null, alternativeSets, false);

    if (combinedAlternatives == null || combinedAlternatives.isEmpty()) {
        return Policy.createNullPolicy(mergedVersion, null, id.length() == 0 ? null : id.toString());
    } else {
        final Collection<AssertionSet> mergedSetList = new ArrayList<AssertionSet>(combinedAlternatives.size());
        for (Collection<AssertionSet> toBeMerged : combinedAlternatives) {
            mergedSetList.add(AssertionSet.createMergedAssertionSet(toBeMerged));
        }
        return Policy.createPolicy(mergedVersion, null, id.length() == 0 ? null : id.toString(), mergedSetList);
    }
}
 

/**
 * Reads policy reference URIs from PolicyURIs attribute and returns them
 * as a String array returns null if there is no such attribute. This method
 * will attempt to check for the attribute in every supported policy namespace.
 * Resulting array of URIs is concatenation of URIs defined in all found
 * PolicyURIs attribute version.
 */
private String[] getPolicyURIsFromAttr(final XMLStreamReader reader) {
    final StringBuilder policyUriBuffer = new StringBuilder();
    for (NamespaceVersion version : NamespaceVersion.values()) {
        final String value = reader.getAttributeValue(version.toString(), XmlToken.PolicyUris.toString());
        if (value != null) {
            policyUriBuffer.append(value).append(" ");
        }
    }
    return (policyUriBuffer.length() > 0) ? policyUriBuffer.toString().split("[\\n ]+") : null;
}
 

/**
 * Takes collection of policies and merges them into a single policy using algorithm described in
 * WS-PolicyAttachment specification. None of the original policies in the collection are modified in
 * any way.
 *
 * The newly created policy has an ID that is a concatentation of all merged policy IDs.
 *
 * @param policies collection of policies to be merged. The collection must not contain '{@code null}' elements!
 * @return merged policy containing combination of policy alternatives stored in all input policies.
 *         If provided collection of policies is {@code null} or empty, returns {@code null}. If provided
 *         collection of policies contains only single policy, the policy is returned.
 */
public Policy merge(final Collection<Policy> policies) {
    if (policies == null || policies.isEmpty()) {
        return null;
    } else if (policies.size() == 1) {
        return policies.iterator().next();
    }

    final Collection<Collection<AssertionSet>> alternativeSets = new LinkedList<Collection<AssertionSet>>();
    final StringBuilder id = new StringBuilder();
    NamespaceVersion mergedVersion = policies.iterator().next().getNamespaceVersion();
    for (Policy policy : policies) {
        alternativeSets.add(policy.getContent());
        if (mergedVersion.compareTo(policy.getNamespaceVersion()) < 0) {
            mergedVersion = policy.getNamespaceVersion();
        }
        final String policyId = policy.getId();
        if (policyId != null) {
            if (id.length() > 0) {
                id.append('-');
            }
            id.append(policyId);
        }
    }

    final Collection<Collection<AssertionSet>> combinedAlternatives = PolicyUtils.Collections.combine(null, alternativeSets, false);

    if (combinedAlternatives == null || combinedAlternatives.isEmpty()) {
        return Policy.createNullPolicy(mergedVersion, null, id.length() == 0 ? null : id.toString());
    } else {
        final Collection<AssertionSet> mergedSetList = new ArrayList<AssertionSet>(combinedAlternatives.size());
        for (Collection<AssertionSet> toBeMerged : combinedAlternatives) {
            mergedSetList.add(AssertionSet.createMergedAssertionSet(toBeMerged));
        }
        return Policy.createPolicy(mergedVersion, null, id.length() == 0 ? null : id.toString(), mergedSetList);
    }
}
 

private void parseAssertionData(NamespaceVersion nsVersion, String value, ModelNode childNode, final StartElement childElement) throws IllegalArgumentException, PolicyException {
    // finish assertion node processing: create and set assertion data...
    final Map<QName, String> attributeMap = new HashMap<QName, String>();
    boolean optional = false;
    boolean ignorable = false;

    final Iterator iterator = childElement.getAttributes();
    while (iterator.hasNext()) {
        final Attribute nextAttribute = (Attribute) iterator.next();
        final QName name = nextAttribute.getName();
        if (attributeMap.containsKey(name)) {
            throw LOGGER.logSevereException(new PolicyException(LocalizationMessages.WSP_0059_MULTIPLE_ATTRS_WITH_SAME_NAME_DETECTED_FOR_ASSERTION(nextAttribute.getName(), childElement.getName())));
        } else {
            if (nsVersion.asQName(XmlToken.Optional).equals(name)) {
                optional = parseBooleanValue(nextAttribute.getValue());
            } else if (nsVersion.asQName(XmlToken.Ignorable).equals(name)) {
                ignorable = parseBooleanValue(nextAttribute.getValue());
            } else {
                attributeMap.put(name, nextAttribute.getValue());
            }
        }
    }
    final AssertionData nodeData = new AssertionData(childElement.getName(), value, attributeMap, childNode.getType(), optional, ignorable);

    // check visibility value syntax if present...
    if (nodeData.containsAttribute(PolicyConstants.VISIBILITY_ATTRIBUTE)) {
        final String visibilityValue = nodeData.getAttributeValue(PolicyConstants.VISIBILITY_ATTRIBUTE);
        if (!PolicyConstants.VISIBILITY_VALUE_PRIVATE.equals(visibilityValue)) {
            throw LOGGER.logSevereException(new PolicyException(LocalizationMessages.WSP_0004_UNEXPECTED_VISIBILITY_ATTR_VALUE(visibilityValue)));
        }
    }

    childNode.setOrReplaceNodeData(nodeData);
}
 

private void parseAssertionData(NamespaceVersion nsVersion, String value, ModelNode childNode, final StartElement childElement) throws IllegalArgumentException, PolicyException {
    // finish assertion node processing: create and set assertion data...
    final Map<QName, String> attributeMap = new HashMap<QName, String>();
    boolean optional = false;
    boolean ignorable = false;

    final Iterator iterator = childElement.getAttributes();
    while (iterator.hasNext()) {
        final Attribute nextAttribute = (Attribute) iterator.next();
        final QName name = nextAttribute.getName();
        if (attributeMap.containsKey(name)) {
            throw LOGGER.logSevereException(new PolicyException(LocalizationMessages.WSP_0059_MULTIPLE_ATTRS_WITH_SAME_NAME_DETECTED_FOR_ASSERTION(nextAttribute.getName(), childElement.getName())));
        } else {
            if (nsVersion.asQName(XmlToken.Optional).equals(name)) {
                optional = parseBooleanValue(nextAttribute.getValue());
            } else if (nsVersion.asQName(XmlToken.Ignorable).equals(name)) {
                ignorable = parseBooleanValue(nextAttribute.getValue());
            } else {
                attributeMap.put(name, nextAttribute.getValue());
            }
        }
    }
    final AssertionData nodeData = new AssertionData(childElement.getName(), value, attributeMap, childNode.getType(), optional, ignorable);

    // check visibility value syntax if present...
    if (nodeData.containsAttribute(PolicyConstants.VISIBILITY_ATTRIBUTE)) {
        final String visibilityValue = nodeData.getAttributeValue(PolicyConstants.VISIBILITY_ATTRIBUTE);
        if (!PolicyConstants.VISIBILITY_VALUE_PRIVATE.equals(visibilityValue)) {
            throw LOGGER.logSevereException(new PolicyException(LocalizationMessages.WSP_0004_UNEXPECTED_VISIBILITY_ATTR_VALUE(visibilityValue)));
        }
    }

    childNode.setOrReplaceNodeData(nodeData);
}