Examples with MqttService org.eclipse.smarthome.io.transport.mqtt.MqttService used on opensource projects

Example 1 with MqttService

use of org.eclipse.smarthome.io.transport.mqtt.MqttService in project smarthome by eclipse.

the class MqttBrokerConnectionServiceInstance method modified.

/**
 * Create broker connections based on the service configuration. This will disconnect and
 * discard all existing textual configured brokers.
 */
@Modified
public void modified(@Nullable Map<String, Object> configMap) {
    if (connection != null) {
        connection.stop();
    }
    if (configMap == null || configMap.isEmpty() || mqttService == null) {
        return;
    }
    @NonNull final MqttService service = (@NonNull MqttService) mqttService;
    // Parse configuration
    MqttBrokerConnectionConfig config = new Configuration(configMap).as(MqttBrokerConnectionConfig.class);
    try {
        // Compute brokerID and make sure it is not empty
        String brokerID = config.getBrokerID();
        if (StringUtils.isBlank(brokerID) || brokerID == null) {
            logger.warn("Ignore invalid broker connection configuration: {}", config);
            return;
        }
        // Add connection and make sure it succeeded
        MqttBrokerConnection c = service.addBrokerConnection(brokerID, config);
        connection = c;
        if (c == null) {
            logger.warn("Ignore existing broker connection configuration for: {}", brokerID);
            return;
        }
        // Start connection
        c.start();
    } catch (ConfigurationException | IllegalArgumentException e) {
        logger.warn("MqttBroker connection configuration faulty: {}", e.getMessage());
    } catch (MqttException e) {
        logger.warn("MqttBroker start failed: {}", e.getMessage(), e);
    }
}