How to use

clear

method

in

org.json.simple.JSONArray

/**
 * Returns the list of confiscated items, and removes them from the entry
 *
 * @return
 */
public List<ItemStackEntry> returnInventory() {
  List<ItemStackEntry> out = new ArrayList<>();
  for (Object stackEntry : confiscatedInventory) {
    out.add(new ItemStackEntry((JSONObject) stackEntry));
  }
  confiscatedInventory.clear();
  return out;
}

public void clear() {
  curIndex = 0;
  messages = new String[0];
  JSONParser parser = new JSONParser();
  try {
    JSONObject root = (JSONObject) parser.parse(new FileReader(HISTORY_FILE));
    JSONArray msgsArray = (JSONArray) root.get("messages");
    msgsArray.clear();
    root.replace("messages", msgsArray);
    FileWriter fileWriter = new FileWriter(HISTORY_FILE);
    fileWriter.write(root.toJSONString());
    fileWriter.flush();
    fileWriter.close();
  } catch (Exception e) {
    logger.error("Error during creating history file: ", e);
  }
}

public void setEntitlementPolicyId(int entitlementPolicyId){
  if(policyPartials != null){
    policyPartials.clear();
  }else {
    policyPartials = new JSONArray();
  }
  JSONObject entitlementPolicyIdObject = new JSONObject();
  entitlementPolicyIdObject.put(_KEY_POLICY_PARTIAL_ID, entitlementPolicyId);
  policyPartials.add(entitlementPolicyIdObject);
}

JSONArray paymentList = (JSONArray) flags.get(flag);
paymentList.clear();
for (Object flagStr : paymentList) {
  field.getRentingModule().addPayment(new PaymentEntry(flagStr.toString()));