鍦↗ava涓紝鍙互浣跨敤Kafka Consumer API鏉ュ疄鐜板Kafka娑堟伅鐨勮繃婊ゃ€備互涓嬫槸涓€涓畝鍗曠殑绀轰緥浠ｇ爜锛?/p>

import org.apache.kafka.clients.consumer.ConsumerConfig;
import org.apache.kafka.clients.consumer.ConsumerRecord;
import org.apache.kafka.clients.consumer.ConsumerRecords;
import org.apache.kafka.clients.consumer.KafkaConsumer;
import org.apache.kafka.common.serialization.StringDeserializer;
import java.util.Collections;
import java.util.Properties;
public class KafkaFilterExample {
public static void main(String[] args) {
Properties props = new Properties();
props.put(ConsumerConfig.BOOTSTRAP_SERVERS_CONFIG, "localhost:9092");
props.put(ConsumerConfig.GROUP_ID_CONFIG, "test-group");
props.put(ConsumerConfig.KEY_DESERIALIZER_CLASS_CONFIG, StringDeserializer.class.getName());
props.put(ConsumerConfig.VALUE_DESERIALIZER_CLASS_CONFIG, StringDeserializer.class.getName());
KafkaConsumer<String, String> consumer = new KafkaConsumer<>(props);
consumer.subscribe(Collections.singletonList("test-topic"));
while (true) {
ConsumerRecords<String, String> records = consumer.poll(100);
for (ConsumerRecord<String, String> record : records) {
// 鍦ㄨ繖閲屾牴鎹渶瑕佸娑堟伅杩涜杩囨护
if (record.value().contains("filter")) {
System.out.println("Filtered message: " + record.value());
} else {
System.out.println("Message: " + record.value());
}
}
}
}
}

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