@Override
public void initialize(
Subject subject,
CallbackHandler callbackHandler,
Map<String, ?> sharedState,
Map<String, ?> options) {
if (delegateLoginModule == null) {
delegateLoginModule = new DummyLoginModule();
delegateLoginModule.initialize(subject, callbackHandler, sharedState, options);
}
}
@Override
public Set<Principal> rolesOf(Subject subject) {
Set<DummyUserPrincipal> dummyPrincipals = subject.getPrincipals(DummyUserPrincipal.class);
assert dummyPrincipals.size() <= 1;
// DummyUserPrincipal found
if (!dummyPrincipals.isEmpty()) {
return getOnlyElement(dummyPrincipals).getRoles();
}
//
else {
Set<UserPrincipal> users = subject.getPrincipals(UserPrincipal.class);
assert users.size() == 1 : "Too many/less UserPrincipals in subject: " + users;
DummyUserPrincipal dummyUser =
delegateLoginModule.userForName(getOnlyElement(users).getName());
return dummyUser != null ? dummyUser.getRoles() : Collections.EMPTY_SET;
}
}
