content: /*
   * Copyright The OpenTelemetry Authors
   * SPDX-License-Identifier: Apache-2.0
   */
  
  package io.opentelemetry.instrumentation.kafkaclients.common.v0_11.internal;
  
  import io.opentelemetry.instrumentation.api.incubator.semconv.messaging.MessagingAttributesGetter;
  import java.nio.charset.StandardCharsets;
  import java.util.List;
  import java.util.stream.Collectors;
  import java.util.stream.StreamSupport;
  import javax.annotation.Nullable;
  
  enum KafkaConsumerAttributesGetter implements MessagingAttributesGetter<KafkaProcessRequest, Void> {
    INSTANCE;
  
    @Override
    public String getSystem(KafkaProcessRequest request) {
      return "kafka";
    }
  
    @Override
    public String getDestination(KafkaProcessRequest request) {
      return request.getRecord().topic();
    }
  
    @Nullable
    @Override
    public String getDestinationTemplate(KafkaProcessRequest request) {
      return null;
    }
  
    @Override
    public boolean isTemporaryDestination(KafkaProcessRequest request) {
      return false;
    }
  
    @Override
    public boolean isAnonymousDestination(KafkaProcessRequest request) {
      return false;
    }
  
    @Override
    @Nullable
    public String getConversationId(KafkaProcessRequest request) {
      return null;
    }
  
    @Nullable
    @Override
    public Long getMessageBodySize(KafkaProcessRequest request) {
      long size = request.getRecord().serializedValueSize();
      return size >= 0 ? size : null;
    }
  
    @Nullable
    @Override
    public Long getMessageEnvelopeSize(KafkaProcessRequest request) {
      return null;
    }
  
    @Override
    @Nullable
    public String getMessageId(KafkaProcessRequest request, @Nullable Void unused) {
      return null;
    }
  
    @Nullable
    @Override
    public String getClientId(KafkaProcessRequest request) {
      return request.getClientId();
    }
  
    @Nullable
    @Override
    public Long getBatchMessageCount(KafkaProcessRequest request, @Nullable Void unused) {
      return null;
    }
  
    @Override
    public List<String> getMessageHeader(KafkaProcessRequest request, String name) {
      return StreamSupport.stream(request.getRecord().headers().headers(name).spliterator(), false)
          .map(header -> new String(header.value(), StandardCharsets.UTF_8))
          .collect(Collectors.toList());
    }
  }
  