namespace + "/RST/Validate");
W3CDOMStreamWriter writer = new W3CDOMStreamWriter();
writer.writeStartElement("wst", "RequestSecurityToken", namespace);
writer.writeNamespace("wst", namespace);
writer.writeStartElement("wst", "RequestType", namespace);
writer.writeCharacters(namespace + "/Validate");
writer.writeEndElement();
writer.writeStartElement("wst", "TokenType", namespace);