import com.sun.xml.internal.ws.policy.sourcemodel.wspolicy.XmlToken; //导入依赖的package包/类
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;
}
 

import com.sun.xml.internal.ws.policy.sourcemodel.wspolicy.XmlToken; //导入依赖的package包/类
/**
 * 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));
    }
}
 

import com.sun.xml.internal.ws.policy.sourcemodel.wspolicy.XmlToken; //导入依赖的package包/类
/**
 * Adds a PolicyReference element that points to the policy of the element,
 * if the policy does not have any id or name. Writes policy inside the element otherwise.
 *
 * @param subject
 *      PolicySubject to be referenced or marshalled
 * @param writer
 *      A TXW on to which we shall add the PolicyReference
 */
private void writePolicyOrReferenceIt(final PolicySubject subject, final TypedXmlWriter writer) {
    final Policy policy;
    try {
        policy = subject.getEffectivePolicy(merger);
    } catch (PolicyException e) {
        throw LOGGER.logSevereException(new WebServiceException(PolicyMessages.WSP_1011_FAILED_TO_RETRIEVE_EFFECTIVE_POLICY_FOR_SUBJECT(subject.toString()), e));
    }
    if (policy != null) {
        if (null == policy.getIdOrName()) {
            final PolicyModelGenerator generator = ModelGenerator.getGenerator();
            try {
                final PolicySourceModel policyInfoset = generator.translate(policy);
                marshaller.marshal(policyInfoset, writer);
            } catch (PolicyException pe) {
                throw LOGGER.logSevereException(new WebServiceException(PolicyMessages.WSP_1002_UNABLE_TO_MARSHALL_POLICY_OR_POLICY_REFERENCE(), pe));
            }
        } else {
            final TypedXmlWriter policyReference = writer._element(policy.getNamespaceVersion().asQName(XmlToken.PolicyReference), TypedXmlWriter.class);
            policyReference._attribute(XmlToken.Uri.toString(), '#' + policy.getIdOrName());
        }
    }
}
 

import com.sun.xml.internal.ws.policy.sourcemodel.wspolicy.XmlToken; //导入依赖的package包/类
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;
}
 

import com.sun.xml.internal.ws.policy.sourcemodel.wspolicy.XmlToken; //导入依赖的package包/类
@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;
}
 

import com.sun.xml.internal.ws.policy.sourcemodel.wspolicy.XmlToken; //导入依赖的package包/类
private boolean readExternalFile(final String fileUrl) {
    InputStream ios = null;
    XMLStreamReader reader = null;
    try {
        final URL xmlURL = new URL(fileUrl);
        ios = xmlURL.openStream();
        reader = XmlUtil.newXMLInputFactory(true).createXMLStreamReader(ios);
        while (reader.hasNext()) {
            if (reader.isStartElement() && NamespaceVersion.resolveAsToken(reader.getName()) == XmlToken.Policy) {
                readSinglePolicy(policyReader.readPolicyElement(reader, fileUrl), false);
            }
            reader.next();
        }
        return true;
    } catch (IOException ioe) {
        return false;
    } catch (XMLStreamException xmlse) {
        return false;
    } finally {
        PolicyUtils.IO.closeResource(reader);
        PolicyUtils.IO.closeResource(ios);
    }
}