private ClientHttpRequestFactory getRequestFactory() {
		// InterceptingClientHttpRequestFactory doesn't let us access the underlying object
		DirectFieldAccessor f = new DirectFieldAccessor(twitter.getRestTemplate().getRequestFactory());
		Object requestFactory = f.getPropertyValue("requestFactory");
		return (ClientHttpRequestFactory) requestFactory;
	}
Filter tweets by language or languages.
extensions/spring-xd-extension-twitter/src/main/java/org/springframework/integration/x/twitter/AbstractTwitterInboundChannelAdapter.java