final String password = pwd;
return new CallbackHandler() {
public void handle(Callback[] callbacks) throws IOException, UnsupportedCallbackException {
for (Callback current : callbacks) {
if (current instanceof NameCallback) {
NameCallback ncb = (NameCallback) current;
ncb.setName(username);
} else if (current instanceof PasswordCallback) {
PasswordCallback pcb = (PasswordCallback) current;
pcb.setPassword(password.toCharArray());
} else if (current instanceof RealmCallback) {
RealmCallback rcb = (RealmCallback) current;