Http client config with custom defined keep alive strategy

HttpClientConfigWithKeepAliveStrategy.java

private ConnectionKeepAliveStrategy connectionKeepAliveStrategy() {
  return new DefaultConnectionKeepAliveStrategy() {
    @Override
    public long getKeepAliveDuration(final HttpResponse response, final HttpContext context) {
      long keepAliveDuration = super.getKeepAliveDuration(response, context);
      if (keepAliveDuration < 0) {
        keepAliveDuration = DEFAULT_KEEP_ALIVE_TIME_MILLIS;
      } else if (keepAliveDuration > MAX_KEEP_ALIVE_TIME_MILLIS) {
        keepAliveDuration = MAX_KEEP_ALIVE_TIME_MILLIS;
      }
      return keepAliveDuration;
    }
  };
}