ThreadLocal<HttpServletResponse>

public class ResponseContextHolder {
	private static final ThreadLocal<HttpServletResponse> responseHolder = new NamedThreadLocal<HttpServletResponse>(
			"Response");

	public static void resetResponse() {
		responseHolder.set(null);
	}

	public static void setResponse(HttpServletResponse response) {
		responseHolder.set(response);
	}

	public static HttpServletResponse getResponse() {
		return responseHolder.get();
	}
}