private void loadHistory() {
StringBuilder jsonArrayString = new StringBuilder();
try (BufferedReader reader = new BufferedReader(new FileReader(DEFAULT_PERSISTENCE_FILE))) {
while (reader.ready()) {
jsonArrayString.append(reader.readLine());
}
} catch (IOException e) {
logger.error("Could not parse message.", e);
}
JSONArray jsonArray = new JSONArray();
if (jsonArrayString.length() == 0) {
return;
}
try {
jsonArray = (JSONArray) MessageHelper.getJsonParser().parse(jsonArrayString.toString());
} catch (ParseException e) {
logger.error("Could not parse message.", e);
}
for (int i = 0; i < jsonArray.size(); i++) {
JSONObject jsonObject = (JSONObject) jsonArray.get(i);
Message message = MessageHelper.jsonObjectToMessage(jsonObject);
messages.add(message);
}
}
