content: /*
   * Copyright The OpenTelemetry Authors
   * SPDX-License-Identifier: Apache-2.0
   */
  
  package io.opentelemetry.javaagent.instrumentation.rocketmqclient.v5_0;
  
  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.client.apis.consumer.ConsumeResult;
  import org.apache.rocketmq.client.apis.message.MessageView;
  
  enum RocketMqConsumerProcessAttributeGetter
      implements MessagingAttributesGetter<MessageView, ConsumeResult> {
    INSTANCE;
  
    @Nullable
    @Override
    public String getSystem(MessageView messageView) {
      return "rocketmq";
    }
  
    @Nullable
    @Override
    public String getDestination(MessageView messageView) {
      return messageView.getTopic();
    }
  
    @Nullable
    @Override
    public String getDestinationTemplate(MessageView messageView) {
      return null;
    }
  
    @Override
    public boolean isTemporaryDestination(MessageView messageView) {
      return false;
    }
  
    @Override
    public boolean isAnonymousDestination(MessageView messageView) {
      return false;
    }
  
    @Nullable
    @Override
    public String getConversationId(MessageView messageView) {
      return null;
    }
  
    @Nullable
    @Override
    public Long getMessageBodySize(MessageView messageView) {
      return (long) messageView.getBody().remaining();
    }
  
    @Nullable
    @Override
    public Long getMessageEnvelopeSize(MessageView messageView) {
      return null;
    }
  
    @Nullable
    @Override
    public String getMessageId(MessageView messageView, @Nullable ConsumeResult unused) {
      return messageView.getMessageId().toString();
    }
  
    @Nullable
    @Override
    public String getClientId(MessageView messageView) {
      return null;
    }
  
    @Nullable
    @Override
    public Long getBatchMessageCount(MessageView messageView, @Nullable ConsumeResult unused) {
      return null;
    }
  
    @Override
    public List<String> getMessageHeader(MessageView messageView, String name) {
      String value = messageView.getProperties().get(name);
      if (value != null) {
        return Collections.singletonList(value);
      }
      return Collections.emptyList();
    }
  }
  