/**
   * Initializes the server stored list. Synchronize server stored groups and contacts with the
   * local groups and contacts.
   */
  @Override
  public void init() {
    try {
      SipAccountIDImpl accountID = (SipAccountIDImpl) sipProvider.getAccountID();

      if (!accountID.isXiVOEnable()) return;

      boolean useSipCredentials = accountID.isClistOptionUseSipCredentials();

      String serverAddress = accountID.getClistOptionServerUri();
      String username = accountID.getAccountPropertyString(ProtocolProviderFactory.USER_ID);
      Address userAddress = sipProvider.parseAddressString(username);

      if (useSipCredentials) {
        username = ((SipUri) userAddress.getURI()).getUser();
      } else {
        username = accountID.getClistOptionUser();
      }

      try {
        connect(serverAddress);
      } catch (Throwable ex) {
        showError(ex, null, null);
        logger.error("Error connecting to server", ex);
        return;
      }

      Thread thread = new Thread(this, this.getClass().getName());
      thread.setDaemon(true);
      thread.start();

      if (!login(username)) {
        showError(null, null, "Unauthorized. Cannot login.");
        logger.error("Cannot login.");
        return;
      }
    } catch (Throwable t) {
      logger.error("Error init clist from xivo server");
    }
  }
  /**
   * parses received phones list and creates/resolves groups and contacts
   *
   * @param objReceived the obj with data.
   */
  private void phonesRecieved(JSONObject objReceived) {
    try {
      if (!objReceived.get("function").equals("sendlist") || !objReceived.containsKey("payload"))
        return;

      JSONObject payload = (JSONObject) objReceived.get("payload");
      /*
       * FIXME The following contains two very inefficient Map-iterating
       * loops.
       */
      Iterator iter = payload.keySet().iterator();
      List<JSONObject> phoneList = new ArrayList<JSONObject>();
      while (iter.hasNext()) {
        JSONObject obj = (JSONObject) payload.get(iter.next());
        Iterator phonesIter = obj.keySet().iterator();
        while (phonesIter.hasNext()) phoneList.add((JSONObject) obj.get(phonesIter.next()));
      }

      for (JSONObject phone : phoneList) {
        try {
          // don't handle non sip phones
          if (!((String) phone.get("tech")).equalsIgnoreCase("sip")) continue;

          String groupName = (String) phone.get("context");

          ContactGroupSipImpl parentGroup = findGroupByName(groupName);

          if (parentGroup == null) {
            parentGroup = new ContactGroupSipImpl(groupName, sipProvider);
            parentGroup.setPersistent(true);
            getRootGroup().addSubgroup(parentGroup);

            fireGroupEvent(parentGroup, ServerStoredGroupEvent.GROUP_CREATED_EVENT);
          }

          String number = (String) phone.get("number");

          Address address = sipProvider.parseAddressString(number);

          // if the contact is already in the contact list
          ContactSipImpl contact = parentOperationSet.resolveContactID(address.toString());

          if (contact == null) {
            contact = new ContactSipImpl(address, sipProvider);
            contact.setDisplayName(phone.get("firstname") + " " + phone.get("lastname"));
            contact.setResolved(true);
            parentGroup.addContact(contact);

            fireContactAdded(parentGroup, contact);
          } else {
            contact.setDisplayName(phone.get("firstname") + " " + phone.get("lastname"));
            contact.setResolved(true);

            fireContactResolved(parentGroup, contact);
          }
        } catch (Throwable t) {
          logger.error("Error parsing " + phone);
        }
      }
    } catch (Throwable t) {
      logger.error("Error init list from server", t);
    }
  }