code: /*
   * Copyright (c) 2022 Airbyte, Inc., all rights reserved.
   */
  
  package io.airbyte.integrations.destination.keen;
  
  import static org.apache.kafka.clients.CommonClientConfigs.SECURITY_PROTOCOL_CONFIG;
  import static org.apache.kafka.clients.producer.ProducerConfig.ACKS_CONFIG;
  import static org.apache.kafka.clients.producer.ProducerConfig.BOOTSTRAP_SERVERS_CONFIG;
  import static org.apache.kafka.clients.producer.ProducerConfig.KEY_SERIALIZER_CLASS_CONFIG;
  import static org.apache.kafka.clients.producer.ProducerConfig.VALUE_SERIALIZER_CLASS_CONFIG;
  import static org.apache.kafka.common.config.SaslConfigs.SASL_JAAS_CONFIG;
  import static org.apache.kafka.common.config.SaslConfigs.SASL_MECHANISM;
  import static org.apache.kafka.common.security.auth.SecurityProtocol.SASL_SSL;
  import static org.apache.kafka.common.security.plain.internals.PlainSaslServer.PLAIN_MECHANISM;
  
  import com.fasterxml.jackson.databind.JsonNode;
  import io.airbyte.integrations.BaseConnector;
  import io.airbyte.integrations.base.AirbyteMessageConsumer;
  import io.airbyte.integrations.base.Destination;
  import io.airbyte.integrations.base.IntegrationRunner;
  import io.airbyte.protocol.models.AirbyteConnectionStatus;
  import io.airbyte.protocol.models.AirbyteConnectionStatus.Status;
  import io.airbyte.protocol.models.AirbyteMessage;
  import io.airbyte.protocol.models.ConfiguredAirbyteCatalog;
  import java.util.Properties;
  import java.util.function.Consumer;
  import org.apache.kafka.clients.producer.KafkaProducer;
  import org.apache.kafka.common.serialization.StringSerializer;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  public class KeenDestination extends BaseConnector implements Destination {
  
    private static final Logger LOGGER = LoggerFactory.getLogger(KeenDestination.class);
    private static final String KAFKA_BROKER = "b1.kafka-in.keen.io:9092,b2.kafka-in.keen.io:9092,b3.kafka-in.keen.io:9092";
  
    static final String KEEN_BASE_API_PATH = "https://api.keen.io/3.0";
    static final String CONFIG_PROJECT_ID = "project_id";
    static final String CONFIG_API_KEY = "api_key";
    static final String INFER_TIMESTAMP = "infer_timestamp";
  
    @Override
    public AirbyteConnectionStatus check(final JsonNode config) {
      try {
        final String projectId = config.get(CONFIG_PROJECT_ID).textValue();
        final String apiKey = config.get(CONFIG_API_KEY).textValue();
        final KafkaProducer<String, String> producer = KafkaProducerFactory.create(projectId, apiKey);
  
        // throws an AuthenticationException if authentication fails
        producer.partitionsFor("ANYTHING");
  
        return new AirbyteConnectionStatus().withStatus(Status.SUCCEEDED);
      } catch (final Exception e) {
        return new AirbyteConnectionStatus().withStatus(Status.FAILED);
      }
    }
  
    @Override
    public AirbyteMessageConsumer getConsumer(final JsonNode config,
                                              final ConfiguredAirbyteCatalog catalog,
                                              final Consumer<AirbyteMessage> outputRecordCollector)
        throws Exception {
      return new KeenRecordsConsumer(config, catalog, outputRecordCollector);
    }
  
    public static void main(final String[] args) throws Exception {
      final Destination destination = new KeenDestination();
      LOGGER.info("starting destination: {}", KeenDestination.class);
      new IntegrationRunner(destination).run(args);
      LOGGER.info("completed destination: {}", KeenDestination.class);
    }
  
    public static class KafkaProducerFactory {
  
      public static KafkaProducer<String, String> create(final String projectId, final String apiKey) {
        final String jaasConfig = String.format("org.apache.kafka.common.security.plain.PlainLoginModule " +
            "required username=\"%s\" password=\"%s\";", projectId, apiKey);
  
        final Properties props = new Properties();
        props.put(BOOTSTRAP_SERVERS_CONFIG, KAFKA_BROKER);
        props.put(SECURITY_PROTOCOL_CONFIG, SASL_SSL.name());
        props.put(SASL_MECHANISM, PLAIN_MECHANISM);
        props.put(SASL_JAAS_CONFIG, jaasConfig);
        props.put(ACKS_CONFIG, "all");
        props.put(KEY_SERIALIZER_CLASS_CONFIG, StringSerializer.class.getName());
        props.put(VALUE_SERIALIZER_CLASS_CONFIG, StringSerializer.class.getName());
        return new KafkaProducer<>(props);
      }
  
    }
  
  }
  