How to use

ConnectionFactoryImpl

in

org.postgresql.core.v3

  newStream = enableSSL(newStream, requireSSL, info, logger);
          };
sendStartupPacket(newStream, params, logger);
doAuthentication(newStream, host, user, info, logger);
readStartupMessages(newStream, protoConnection, logger);
runInitialQueries(protoConnection, info, logger);

ConnectionFactory connectionFactory = new ConnectionFactoryImpl();
QueryExecutor queryExecutor = connectionFactory.openConnectionImpl(
  hostSpecs, user, database, info);

try {
 try {
  newStream = tryConnect(user, database, info, socketFactory, hostSpec, sslMode);
 } catch (SQLException e) {
  if (sslMode == SslMode.PREFER
   try {
    newStream =
      tryConnect(user, database, info, socketFactory, hostSpec, SslMode.DISABLE);
    LOGGER.log(Level.FINE, "Downgraded to non-encrypted connection for host {0}",
      hostSpec);
    log(Level.FINE, "sslMode==PREFER, however non-SSL connection failed as well", ex);
   try {
    newStream =
      tryConnect(user, database, info, socketFactory, hostSpec, SslMode.REQUIRE);
    LOGGER.log(Level.FINE, "Upgraded to encrypted connection for host {0}",
      hostSpec);
    log(Level.FINE, "sslMode==ALLOW, however SSL connection failed as well", ex);
  hostStatus = isMaster(queryExecutor) ? HostStatus.Master : HostStatus.Secondary;
 runInitialQueries(queryExecutor, info);
 knownStates.put(hostSpec, HostStatus.ConnectFail);
 if (hostIter.hasNext()) {
  log(Level.FINE, "ConnectException occurred while connecting to {0}", cex, hostSpec);

newStream = enableSSL(newStream, sslMode, info, connectTimeout);
List<String[]> paramList = getParametersForStartup(user, database, info);
sendStartupPacket(newStream, paramList);
doAuthentication(newStream, hostSpec.getHost(), user, info);

  newStream = enableSSL(newStream, requireSSL, info, logger);
          };
sendStartupPacket(newStream, params, logger);
doAuthentication(newStream, host, user, info, logger);
readStartupMessages(newStream, protoConnection, logger);
runInitialQueries(protoConnection, info, logger);

  newStream = enableSSL(newStream, requireSSL, info, logger);
          };
sendStartupPacket(newStream, params, logger);
doAuthentication(newStream, host, user, info, logger);
readStartupMessages(newStream, protoConnection, logger);