How to use

org.jboss.security.auth.callback.UsernamePasswordHandler

constructor

 String SECURITY_DOMAIN_NAME = "ssd"; // the security domain's name from standalone.xml

String username = "user";
String password = "password";

LoginContext lc = null;
try {
  lc = new LoginContext(SECURITY_DOMAIN_NAME, new UsernamePasswordHandler(username, password.toCharArray()));
  lc.login();
  // successful login
} catch (LoginException loginException) {
  // failed login
}

private void _checkAuthentication(String username, String password) throws LoginException {
  try {
    UsernamePasswordHandler handler = new UsernamePasswordHandler(username, password.toCharArray());
    LoginContext loginContext;
    loginContext = new LoginContext(CustomJaasDeploymentServiceMBean.RHQ_USER_SECURITY_DOMAIN, handler);
    loginContext.login();
    loginContext.getSubject().getPrincipals().iterator().next();
    loginContext.logout();
  } catch (javax.security.auth.login.LoginException e) {
    throw new LoginException(e.getMessage());
  }
}

/**
 * Creates login context for given {@link Krb5LoginConfiguration} and credentials and calls the {@link LoginContext#login()}
 * method on it. This method contains workaround for IBM JDK issue described in bugzilla <a
 * href="https://bugzilla.redhat.com/show_bug.cgi?id=1206177">https://bugzilla.redhat.com/show_bug.cgi?id=1206177</a>.
 *
 * @param krb5Configuration
 * @param user
 * @param pass
 * @return
 * @throws LoginException
 */
public static LoginContext loginWithKerberos(final Krb5LoginConfiguration krb5Configuration, final String user,
    final String pass) throws LoginException {
  LoginContext lc = new LoginContext(krb5Configuration.getName(), new UsernamePasswordHandler(user, pass));
  if (IBM_JDK) {
    // workaround for IBM JDK on RHEL5 issue described in https://bugzilla.redhat.com/show_bug.cgi?id=1206177
    // The first negotiation always fail, so let's do a dummy login/logout round.
    lc.login();
    lc.logout();
    lc = new LoginContext(krb5Configuration.getName(), new UsernamePasswordHandler(user, pass));
  }
  lc.login();
  return lc;
}

UsernamePasswordHandler handler = new UsernamePasswordHandler(username,
 credentials);
Configuration conf = getConfiguration();

UsernamePasswordHandler handler = new UsernamePasswordHandler("your-uid", "your-uid-password".toCharArray());
LoginContext lc = new LoginContext("testLdapExample1", handler);
lc.login();