如何从kafka接收特定日期的数据

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.time.Duration;
import java.util.Collections;
import java.util.Properties;

public class KafkaDateFilterConsumer {
    public static void main(String[] args) {
        String bootstrapServers = "localhost:9092";
        String topic = "my-topic";
        String groupId = "my-group";
        String startDate = "2023-04-01";
        String endDate = "2023-04-30";

        Properties props = new Properties();
        props.put("bootstrap.servers", bootstrapServers);
        props.put("group.id", groupId);
        props.put("key.deserializer", StringDeserializer.class.getName());
        props.put("value.deserializer", StringDeserializer.class.getName());

        KafkaConsumer<String, String> consumer = new KafkaConsumer<>(props);
        consumer.subscribe(Collections.singletonList(topic));

        while (true) {
            ConsumerRecords<String, String> records = consumer.poll(Duration.ofMillis(100));
            for (ConsumerRecord<String, String> record : records) {
                String timestamp = record.headers().lastHeader("timestamp").value();
                if (timestamp.compareTo(startDate) >= 0 && timestamp.compareTo(endDate) <= 0) {
                    System.out.printf("Received message: key = %s, value = %s, timestamp = %s%n",
                            record.key(), record.value(), timestamp);
                }
            }
        }
    }
}