if (addressingNamespace == null) {
addressingNamespace = "http://www.w3.org/2005/08/addressing";
}
Policy cancelPolicy = new Policy();
ExactlyOne one = new ExactlyOne();
cancelPolicy.addPolicyComponent(one);
All all = new All();
one.addPolicyComponent(all);
SymmetricBinding binding = new SymmetricBinding();
all.addAssertion(binding);
all.addAssertion(getAddressingAssertion());
ProtectionToken ptoken = new ProtectionToken();
binding.setProtectionToken(ptoken);