content: /*
   * Copyright The OpenTelemetry Authors
   * SPDX-License-Identifier: Apache-2.0
   */
  
  package io.opentelemetry.javaagent.instrumentation.rabbitmq;
  
  import io.opentelemetry.instrumentation.api.incubator.semconv.messaging.MessagingAttributesGetter;
  import java.util.Collections;
  import java.util.List;
  import javax.annotation.Nullable;
  
  enum RabbitChannelAttributesGetter implements MessagingAttributesGetter<ChannelAndMethod, Void> {
    INSTANCE;
  
    @Override
    public String getSystem(ChannelAndMethod channelAndMethod) {
      return "rabbitmq";
    }
  
    @Nullable
    @Override
    public String getDestination(ChannelAndMethod channelAndMethod) {
      return null;
    }
  
    @Nullable
    @Override
    public String getDestinationTemplate(ChannelAndMethod channelAndMethod) {
      return null;
    }
  
    @Override
    public boolean isTemporaryDestination(ChannelAndMethod channelAndMethod) {
      return false;
    }
  
    @Override
    public boolean isAnonymousDestination(ChannelAndMethod channelAndMethod) {
      return false;
    }
  
    @Nullable
    @Override
    public String getConversationId(ChannelAndMethod channelAndMethod) {
      return null;
    }
  
    @Nullable
    @Override
    public Long getMessageBodySize(ChannelAndMethod channelAndMethod) {
      return null;
    }
  
    @Nullable
    @Override
    public Long getMessageEnvelopeSize(ChannelAndMethod channelAndMethod) {
      return null;
    }
  
    @Nullable
    @Override
    public String getMessageId(ChannelAndMethod channelAndMethod, @Nullable Void unused) {
      return null;
    }
  
    @Nullable
    @Override
    public String getClientId(ChannelAndMethod channelAndMethod) {
      return null;
    }
  
    @Nullable
    @Override
    public Long getBatchMessageCount(ChannelAndMethod channelAndMethod, @Nullable Void unused) {
      return null;
    }
  
    @Override
    public List<String> getMessageHeader(ChannelAndMethod channelAndMethod, String name) {
      if (channelAndMethod.getHeaders() != null) {
        Object value = channelAndMethod.getHeaders().get(name);
        if (value != null) {
          return Collections.singletonList(value.toString());
        }
      }
      return Collections.emptyList();
    }
  }
  