@Override
public void handle(Callback[] callbacks)
throws UnsupportedCallbackException {
NameCallback nc = null;
PasswordCallback pc = null;
RealmCallback rc = null;
for (Callback callback : callbacks) {
if (callback instanceof RealmChoiceCallback) {
continue;
} else if (callback instanceof NameCallback) {
nc = (NameCallback) callback;
} else if (callback instanceof PasswordCallback) {
pc = (PasswordCallback) callback;
} else if (callback instanceof RealmCallback) {
rc = (RealmCallback) callback;
} else {
throw new UnsupportedCallbackException(callback,
"Unrecognized SASL client callback");
}
}
if (nc != null) {
if (LOG.isDebugEnabled()) {
LOG.debug("SASL client callback: setting username: " + userName);
}
nc.setName(userName);
}
if (pc != null) {
if (LOG.isDebugEnabled()) {
LOG.debug("SASL client callback: setting userPassword");
}
pc.setPassword(userPassword);
}
if (rc != null) {
if (LOG.isDebugEnabled()) {
LOG.debug("SASL client callback: setting realm: "
+ rc.getDefaultText());
}
rc.setText(rc.getDefaultText());
}
}