How to use

check

method

in

sockslib.server.manager.UserManager

@Override
public void doAuthenticate(Credentials credentials, Session session) throws
    AuthenticationException {
  if (credentials instanceof UsernamePasswordCredentials) {
    String username = credentials.getUserPrincipal().getName();
    String password = credentials.getPassword();
    User user = userManager.check(username, password);
    if (user == null) {
      authenticationFailed(session);
    }
    authenticationSuccess(session, user);
  } else {
    throw new AuthenticationException("Only support Username/Password Authentication");
  }
}

@Override
public void doAuthenticate(Credentials credentials, Session session) throws
  AuthenticationException {
 if (credentials instanceof UsernamePasswordCredentials) {
  String username = credentials.getUserPrincipal().getName();
  String password = credentials.getPassword();
  User user = userManager.check(username, password);
  if (user == null) {
   authenticationFailed(session);
  }
  authenticationSuccess(session, user);
 } else {
  throw new AuthenticationException("Only support Username/Password Authentication");
 }
}