}
        } else {
            initializeDefaultHttpProxy(paramMap);
        }

        crawlerClientFactory = factory;
        return factory;
    }

    @Override
    public Map<String, String> getConfigParameterMap(final ConfigName name) {
        if (configParameterMap == null) {

        if (crawlerClientFactory != null) {
            return crawlerClientFactory;
        }
        final CrawlerClientFactory factory = creator.get();

        final Map<String, String> paramMap = getHandlerParameterMap();

        final Map<String, Object> factoryParamMap = new HashMap<>();
        factory.setInitParameterMap(factoryParamMap);

        // parameters