PolicyUtil.java 文件源码

public static OMElement getPolicyComponentAsOMElement(
        PolicyComponent policyComponent,
        ExternalPolicySerializer externalPolicySerializer)
        throws XMLStreamException, FactoryConfigurationError {

    if (policyComponent instanceof Policy) {
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        externalPolicySerializer.serialize((Policy) policyComponent, baos);
        ByteArrayInputStream bais = new ByteArrayInputStream(baos
                .toByteArray());
        return (OMElement) XMLUtils.toOM(bais);

    } else {
        OMFactory fac = OMAbstractFactory.getOMFactory();
        OMElement elem = fac.createOMElement(Constants.ELEM_POLICY_REF,
                Constants.URI_POLICY_NS, Constants.ATTR_WSP);
        elem.addAttribute(Constants.ATTR_URI,
                ((PolicyReference) policyComponent).getURI(), null);
        return elem;
    }
}