content: /*
   * Copyright The OpenTelemetry Authors
   * SPDX-License-Identifier: Apache-2.0
   */
  
  package io.opentelemetry.instrumentation.rocketmqclient.v4_8;
  
  import io.opentelemetry.instrumentation.api.incubator.semconv.messaging.MessagingAttributesGetter;
  import java.util.Collections;
  import java.util.List;
  import javax.annotation.Nullable;
  import org.apache.rocketmq.common.message.MessageExt;
  
  enum RocketMqConsumerAttributeGetter implements MessagingAttributesGetter<MessageExt, Void> {
    INSTANCE;
  
    @Override
    public String getSystem(MessageExt request) {
      return "rocketmq";
    }
  
    @Override
    public String getDestination(MessageExt request) {
      return request.getTopic();
    }
  
    @Nullable
    @Override
    public String getDestinationTemplate(MessageExt request) {
      return null;
    }
  
    @Override
    public boolean isTemporaryDestination(MessageExt request) {
      return false;
    }
  
    @Override
    public boolean isAnonymousDestination(MessageExt request) {
      return false;
    }
  
    @Nullable
    @Override
    public String getConversationId(MessageExt request) {
      return null;
    }
  
    @Nullable
    @Override
    public Long getMessageBodySize(MessageExt request) {
      byte[] body = request.getBody();
      return body == null ? null : (long) body.length;
    }
  
    @Nullable
    @Override
    public Long getMessageEnvelopeSize(MessageExt request) {
      return null;
    }
  
    @Nullable
    @Override
    public String getMessageId(MessageExt request, @Nullable Void unused) {
      return request.getMsgId();
    }
  
    @Nullable
    @Override
    public String getClientId(MessageExt request) {
      return null;
    }
  
    @Nullable
    @Override
    public Long getBatchMessageCount(MessageExt request, @Nullable Void unused) {
      return null;
    }
  
    @Override
    public List<String> getMessageHeader(MessageExt request, String name) {
      String value = request.getProperties().get(name);
      if (value != null) {
        return Collections.singletonList(value);
      }
      return Collections.emptyList();
    }
  }
  