Examples with Nats io.nats.client.Nats used on opensource projects

Example 1 with Nats

use of io.nats.client.Nats in project carbon-mediation by wso2.

the class TLSConnection method initializeConsumer.

/**
 * Consume the message received and inject into the sequence.
 *
 * @param sequenceName the sequence to inject the message to.
 */
@Override
public void initializeConsumer(String sequenceName) throws IOException, InterruptedException {
    if (createConnection()) {
        Dispatcher dispatcher;
        dispatcher = connection.createDispatcher(natsMessage -> {
            if (natsMessage != null) {
                String message = new String(natsMessage.getData(), StandardCharsets.UTF_8);
                if (log.isDebugEnabled()) {
                    log.debug("Message Received to NATS Inbound EP: " + message);
                }
                injectHandler.invoke(message.getBytes(), sequenceName, natsMessage.getReplyTo(), connection);
            } else {
                if (log.isDebugEnabled()) {
                    log.debug("Message is null.");
                }
            }
        });
        String queueGroup = natsProperties.getProperty(NatsConstants.QUEUE_GROUP);
        if (StringUtils.isNotEmpty(queueGroup)) {
            dispatcher.subscribe(subject, queueGroup);
        } else {
            dispatcher.subscribe(subject);
        }
    }
}