| /* |
| * 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.builder.component.ComponentsBuilderFactory; |
| import org.apache.camel.impl.DefaultCamelContext; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| 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..."); |
| |
| CamelContext camelContext = new DefaultCamelContext(); |
| |
| // Add route to send messages to Kafka |
| |
| camelContext.addRoutes(new RouteBuilder() { |
| public void configure() { |
| camelContext.getPropertiesComponent().setLocation("classpath:application.properties"); |
| |
| log.info("About to start route: Kafka Server -> Log "); |
| |
| // setup kafka component with the brokers |
| ComponentsBuilderFactory.kafka() |
| .brokers("{{kafka.host}}:{{kafka.port}}") |
| .register(camelContext, "kafka"); |
| |
| from("kafka:{{consumer.topic}}" |
| + "&maxPollRecords={{consumer.maxPollRecords}}" |
| + "&consumersCount={{consumer.consumersCount}}" |
| + "&seekTo={{consumer.seekTo}}" |
| + "&groupId={{consumer.group}}") |
| .routeId("FromKafka") |
| .log("${body}"); |
| } |
| }); |
| camelContext.start(); |
| |
| // let it run for 5 minutes before shutting down |
| Thread.sleep(5 * 60 * 1000); |
| |
| camelContext.stop(); |
| } |
| |
| } |