private JsonNode merge(JsonNode original, JsonNode json) {
ArrayNode an = (ArrayNode) json.get("log").get("pages");
an.addAll((ArrayNode) original.get("log").get("pages"));
an = (ArrayNode) json.get("log").get("entries");
an.addAll((ArrayNode) original.get("log").get("entries"));
return json;
}
public void writeSessionHar(long sessionId, ServletOutputStream outputStream) throws IOException {