writer = new W3CDOMStreamWriter();
writer.writeStartElement("wsp", "Policy", URI_POLICY_NS);
writer.writeAttribute("wsu", URI_WSU_NS,
"Id", polRefId.toString());
writer.writeStartElement("wsam", "Addressing", JAXWSAConstants.NS_WSAM);
if (!addressing.required()) {
writer.writeAttribute("wsp", URI_POLICY_NS,
"Optional", "true");
}
writer.writeStartElement("wsp", "Policy", URI_POLICY_NS);