@Override
 public List<Property> getPropertyList() {
   List<Property> propertyList = new ArrayList<Property>();
   Property urlProperty = new Property(WebsocketEventAdapterConstants.ADAPTER_SERVER_URL);
   urlProperty.setDisplayName(
       resourceBundle.getString(WebsocketEventAdapterConstants.ADAPTER_SERVER_URL));
   urlProperty.setHint(
       resourceBundle.getString(WebsocketEventAdapterConstants.ADAPTER_SERVER_URL_HINT));
   urlProperty.setRequired(true);
   propertyList.add(urlProperty);
   return propertyList;
 }
  @Override
  public List<Property> getPropertyList() {
    List<Property> propertyList = new ArrayList<Property>();

    // set topic
    Property topicProperty = new Property(MQTTEventAdapterConstants.ADAPTER_MESSAGE_TOPIC);
    topicProperty.setDisplayName(
        resourceBundle.getString(MQTTEventAdapterConstants.ADAPTER_MESSAGE_TOPIC));
    topicProperty.setRequired(true);
    topicProperty.setHint(
        resourceBundle.getString(MQTTEventAdapterConstants.ADAPTER_MESSAGE_TOPIC_HINT));
    propertyList.add(topicProperty);

    // Broker Url
    Property brokerUrl = new Property(MQTTEventAdapterConstants.ADAPTER_CONF_URL);
    brokerUrl.setDisplayName(resourceBundle.getString(MQTTEventAdapterConstants.ADAPTER_CONF_URL));
    brokerUrl.setRequired(true);
    brokerUrl.setHint(resourceBundle.getString(MQTTEventAdapterConstants.ADAPTER_CONF_URL_HINT));
    propertyList.add(brokerUrl);

    // Broker Username
    Property userName = new Property(MQTTEventAdapterConstants.ADAPTER_CONF_USERNAME);
    userName.setDisplayName(
        resourceBundle.getString(MQTTEventAdapterConstants.ADAPTER_CONF_USERNAME));
    userName.setRequired(false);
    userName.setHint(
        resourceBundle.getString(MQTTEventAdapterConstants.ADAPTER_CONF_USERNAME_HINT));
    propertyList.add(userName);

    // Broker Password
    Property password = new Property(MQTTEventAdapterConstants.ADAPTER_CONF_PASSWORD);
    password.setDisplayName(
        resourceBundle.getString(MQTTEventAdapterConstants.ADAPTER_CONF_PASSWORD));
    password.setRequired(false);
    password.setHint(
        resourceBundle.getString(MQTTEventAdapterConstants.ADAPTER_CONF_PASSWORD_HINT));
    propertyList.add(password);

    // Broker clear session
    Property clearSession = new Property(MQTTEventAdapterConstants.ADAPTER_CONF_CLEAN_SESSION);
    clearSession.setDisplayName(
        resourceBundle.getString(MQTTEventAdapterConstants.ADAPTER_CONF_CLEAN_SESSION));
    clearSession.setRequired(false);
    clearSession.setOptions(new String[] {"true", "false"});
    clearSession.setDefaultValue("true");
    clearSession.setHint(
        resourceBundle.getString(MQTTEventAdapterConstants.ADAPTER_CONF_CLEAN_SESSION_HINT));
    propertyList.add(clearSession);

    // set clientId
    Property clientId = new Property(MQTTEventAdapterConstants.ADAPTER_CONF_CLIENTID);
    clientId.setDisplayName(
        resourceBundle.getString(MQTTEventAdapterConstants.ADAPTER_CONF_CLIENTID));
    clientId.setRequired(false);
    clientId.setHint(
        resourceBundle.getString(MQTTEventAdapterConstants.ADAPTER_CONF_CLIENTID_HINT));
    propertyList.add(clientId);

    return propertyList;
  }