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.example.kafka;
  
  import org.apache.camel.CamelContext;
  import org.apache.camel.builder.RouteBuilder;
  import org.apache.camel.impl.DefaultCamelContext;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  import static org.apache.camel.example.kafka.MessagePublisherClient.setUpKafkaComponent;
  
  public final class MessageConsumerClient {
  
      private static final Logger LOG = LoggerFactory.getLogger(MessageConsumerClient.class);
  
      private MessageConsumerClient() {
      }
  
      public static void main(String[] args) throws Exception {
  
          LOG.info("About to run Kafka-camel integration...");
  
          try (CamelContext camelContext = new DefaultCamelContext()) {
  
              LOG.info("About to start route: Kafka Server -> Log ");
              // Set the location of the configuration
              camelContext.getPropertiesComponent().setLocation("classpath:application.properties");
              // Set up the Kafka component
              setUpKafkaComponent(camelContext);
              // Add route to send messages to Kafka
  
              camelContext.addRoutes(createRouteBuilder());
              camelContext.start();
  
              // let it run for 5 minutes before shutting down
              Thread.sleep(5L * 60 * 1000);
          }
      }
  
      static RouteBuilder createRouteBuilder() {
          return new RouteBuilder() {
              public void configure() {
              from("kafka:{{consumer.topic}}"
                      + "?maxPollRecords={{consumer.maxPollRecords}}"
                      + "&consumersCount={{consumer.consumersCount}}"
                      + "&seekTo={{consumer.seekTo}}"
                      + "&groupId={{consumer.group}}")
                      .routeId("FromKafka")
                      .log("${body}");
              }
          };
      }
  }
  