com.espertech.esperio.kafka.EsperIOKafkaInputSubscriberByTopicList Maven / Gradle / Ivy
/*
***************************************************************************************
* Copyright (C) 2006 EsperTech, Inc. All rights reserved. *
* http://www.espertech.com/esper *
* http://www.espertech.com *
* ---------------------------------------------------------------------------------- *
* The software in this package is published under the terms of the GPL license *
* a copy of which has been included with this distribution in the license.txt file. *
***************************************************************************************
*/
package com.espertech.esperio.kafka;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.util.ArrayList;
import java.util.List;
public class EsperIOKafkaInputSubscriberByTopicList implements EsperIOKafkaInputSubscriber {
private static final Logger log = LoggerFactory.getLogger(EsperIOKafkaInputSubscriberByTopicList.class);
public void subscribe(EsperIOKafkaInputSubscriberContext context) {
String topicsCSV = EsperIOKafkaInputAdapter.getRequiredProperty(context.getProperties(), EsperIOKafkaConfig.TOPICS_CONFIG);
String[] topicNames = topicsCSV.split(",");
List topics = new ArrayList<>();
for (String topicName : topicNames) {
if (topicName.trim().length() > 0) {
topics.add(topicName.trim());
}
}
log.info("Subscribing to topics {}", topics);
context.getConsumer().subscribe(topics);
}
}