content: /*
   * Licensed to the Apache Software Foundation (ASF) under one or more
   * contributor license agreements.  See the NOTICE file distributed with
   * this work for additional information regarding copyright ownership.
   * The ASF licenses this file to You under the Apache License, Version 2.0
   * (the "License"); you may not use this file except in compliance with
   * the License.  You may obtain a copy of the License at
   *
   *      http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  package org.apache.camel.component.kafka.integration;
  
  import java.util.Properties;
  import org.apache.camel.CamelContext;
  import org.apache.camel.component.kafka.KafkaComponent;
  import org.apache.camel.component.kafka.KafkaConstants;
  import org.apache.camel.spring.boot.CamelContextConfiguration;
  import org.apache.camel.test.infra.kafka.services.KafkaService;
  import org.apache.camel.test.infra.kafka.services.KafkaServiceFactory;
  import org.apache.kafka.clients.admin.AdminClient;
  import org.apache.kafka.clients.admin.KafkaAdminClient;
  import org.apache.kafka.clients.producer.ProducerConfig;
  import org.junit.jupiter.api.BeforeAll;
  import org.junit.jupiter.api.BeforeEach;
  import org.junit.jupiter.api.extension.RegisterExtension;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  import org.springframework.beans.factory.annotation.Autowired;
  import org.springframework.context.annotation.Bean;
  import org.springframework.context.annotation.Configuration;
  
  public abstract class BaseEmbeddedKafkaTestSupport {
  
      @RegisterExtension
      public static KafkaService service = KafkaServiceFactory.createService();
  
      @Autowired
      protected CamelContext context;
  
      protected static AdminClient kafkaAdminClient;
  
      private static final Logger LOG = LoggerFactory.getLogger(BaseEmbeddedKafkaTestSupport.class);
  
      @BeforeAll
      public static void beforeClass() {
          LOG.info("### Embedded Kafka cluster broker list: {}", service.getBootstrapServers());
          System.setProperty("bootstrapServers", service.getBootstrapServers());
      }
  
      @BeforeEach
      public void setKafkaAdminClient() {
          if (kafkaAdminClient == null) {
              kafkaAdminClient = createAdminClient();
          }
      }
  
      protected Properties getDefaultProperties() {
          LOG.info("Connecting to Kafka {}", service.getBootstrapServers());
  
          Properties props = new Properties();
          props.put(ProducerConfig.BOOTSTRAP_SERVERS_CONFIG, service.getBootstrapServers());
          props.put(ProducerConfig.KEY_SERIALIZER_CLASS_CONFIG, KafkaConstants.KAFKA_DEFAULT_SERIALIZER);
          props.put(ProducerConfig.VALUE_SERIALIZER_CLASS_CONFIG, KafkaConstants.KAFKA_DEFAULT_SERIALIZER);
          props.put(ProducerConfig.ACKS_CONFIG, "1");
          return props;
      }
  
      protected static String getBootstrapServers() {
          return service.getBootstrapServers();
      }
  
      private static AdminClient createAdminClient() {
          final Properties properties = new Properties();
          properties.put(ProducerConfig.BOOTSTRAP_SERVERS_CONFIG, service.getBootstrapServers());
  
          return KafkaAdminClient.create(properties);
      }
  
      @Configuration
      public class DefaulKafkaComponent {
          @Bean
          CamelContextConfiguration contextConfiguration() {
              return new CamelContextConfiguration() {
                  @Override
                  public void beforeApplicationStart(CamelContext context) {
                      context.getPropertiesComponent().setLocation("ref:prop");
  
                      KafkaComponent kafka = new KafkaComponent(context);
                      kafka.init();
                      kafka.getConfiguration().setBrokers(BaseEmbeddedKafkaTestSupport.service.getBootstrapServers());
                      kafka.getConfiguration().setRecordMetadata(true);
  
                      context.addComponent("kafka", kafka);
                  }
  
                  @Override
                  public void afterApplicationStart(CamelContext camelContext) {
                      // do nothing here
                  }
              };
          }
      }
  }
  