How to use

GSSCallbackHandler

in

org.postgresql.gss

  new LoginContext(jaasApplicationName, new GSSCallbackHandler(user, password));
lc.login();
sub = lc.getSubject();

public static void authenticate(PGStream pgStream, String host, String user, String password, String jaasApplicationName, String kerberosServerName, Logger logger) throws IOException, SQLException
{
  if (logger.logDebug())
    logger.debug(" <=BE AuthenticationReqGSS");
  Object result = null;
  if (jaasApplicationName == null)
    jaasApplicationName = "pgjdbc";
  if (kerberosServerName == null)
    kerberosServerName = "postgres";
  try {
    LoginContext lc = new LoginContext(jaasApplicationName, new GSSCallbackHandler(user, password));
    lc.login();
    Subject sub = lc.getSubject();
    PrivilegedAction action = new GssAction(pgStream, host, user, password, kerberosServerName, logger);
    result = Subject.doAs(sub, action);
  } catch (Exception e) {
    throw new PSQLException(GT.tr("GSS Authentication failed"), PSQLState.CONNECTION_FAILURE, e);
  }
  if (result instanceof IOException)
    throw (IOException)result;
  else if (result instanceof SQLException)
    throw (SQLException)result;
  else if (result != null)
    throw new PSQLException(GT.tr("GSS Authentication failed"), PSQLState.CONNECTION_FAILURE, (Exception)result);
}

public static void authenticate(PGStream pgStream, String host, String user, String password, String jaasApplicationName, String kerberosServerName, Logger logger) throws IOException, SQLException
{
  if (logger.logDebug())
    logger.debug(" <=BE AuthenticationReqGSS");
  Object result = null;
  if (jaasApplicationName == null)
    jaasApplicationName = "pgjdbc";
  if (kerberosServerName == null)
    kerberosServerName = "postgres";
  try {
    LoginContext lc = new LoginContext(jaasApplicationName, new GSSCallbackHandler(user, password));
    lc.login();
    Subject sub = lc.getSubject();
    PrivilegedAction action = new GssAction(pgStream, host, user, password, kerberosServerName, logger);
    result = Subject.doAs(sub, action);
  } catch (Exception e) {
    throw new PSQLException(GT.tr("GSS Authentication failed"), PSQLState.CONNECTION_FAILURE, e);
  }
  if (result instanceof IOException)
    throw (IOException)result;
  else if (result instanceof SQLException)
    throw (SQLException)result;
  else if (result != null)
    throw new PSQLException(GT.tr("GSS Authentication failed"), PSQLState.CONNECTION_FAILURE, (Exception)result);
}

public static void authenticate(PGStream pgStream, String host, String user, String password, String jaasApplicationName, String kerberosServerName, Logger logger) throws IOException, SQLException
{
  if (logger.logDebug())
    logger.debug(" <=BE AuthenticationReqGSS");
  Object result = null;
  if (jaasApplicationName == null)
    jaasApplicationName = "pgjdbc";
  if (kerberosServerName == null)
    kerberosServerName = "postgres";
  try {
    LoginContext lc = new LoginContext(jaasApplicationName, new GSSCallbackHandler(user, password));
    lc.login();
    Subject sub = lc.getSubject();
    PrivilegedAction action = new GssAction(pgStream, host, user, password, kerberosServerName, logger);
    result = Subject.doAs(sub, action);
  } catch (Exception e) {
    throw new PSQLException(GT.tr("GSS Authentication failed"), PSQLState.CONNECTION_FAILURE, e);
  }
  if (result instanceof IOException)
    throw (IOException)result;
  else if (result instanceof SQLException)
    throw (SQLException)result;
  else if (result != null)
    throw new PSQLException(GT.tr("GSS Authentication failed"), PSQLState.CONNECTION_FAILURE, (Exception)result);
}