content: /*
   * Copyright The OpenTelemetry Authors
   * SPDX-License-Identifier: Apache-2.0
   */
  
  package io.opentelemetry.javaagent.instrumentation.pulsar.v2_8.telemetry;
  
  import static java.util.Collections.emptyList;
  import static java.util.Collections.singletonList;
  
  import io.opentelemetry.instrumentation.api.incubator.semconv.messaging.MessagingAttributesGetter;
  import java.util.List;
  import javax.annotation.Nullable;
  import org.apache.pulsar.client.api.Message;
  import org.apache.pulsar.common.naming.TopicName;
  
  enum PulsarMessagingAttributesGetter implements MessagingAttributesGetter<PulsarRequest, Void> {
    INSTANCE;
  
    @Override
    public String getSystem(PulsarRequest request) {
      return "pulsar";
    }
  
    @Nullable
    @Override
    public String getDestination(PulsarRequest request) {
      return request.getDestination();
    }
  
    @Nullable
    @Override
    public String getDestinationTemplate(PulsarRequest request) {
      return null;
    }
  
    @Override
    public boolean isTemporaryDestination(PulsarRequest request) {
      return false;
    }
  
    @Override
    public boolean isAnonymousDestination(PulsarRequest request) {
      return false;
    }
  
    @Nullable
    @Override
    public String getConversationId(PulsarRequest message) {
      return null;
    }
  
    @Override
    public Long getMessageBodySize(PulsarRequest request) {
      return (long) request.getMessage().size();
    }
  
    @Nullable
    @Override
    public Long getMessageEnvelopeSize(PulsarRequest request) {
      return null;
    }
  
    @Nullable
    @Override
    public String getMessageId(PulsarRequest request, @Nullable Void response) {
      Message<?> message = request.getMessage();
      if (message.getMessageId() != null) {
        return message.getMessageId().toString();
      }
  
      return null;
    }
  
    @Nullable
    @Override
    public String getClientId(PulsarRequest request) {
      return null;
    }
  
    @Nullable
    @Override
    public Long getBatchMessageCount(PulsarRequest request, @Nullable Void unused) {
      return null;
    }
  
    @Nullable
    @Override
    public String getDestinationPartitionId(PulsarRequest request) {
      int partitionIndex = TopicName.getPartitionIndex(request.getDestination());
      if (partitionIndex == -1) {
        return null;
      }
      return String.valueOf(partitionIndex);
    }
  
    @Override
    public List<String> getMessageHeader(PulsarRequest request, String name) {
      String value = request.getMessage().getProperty(name);
      return value != null ? singletonList(value) : emptyList();
    }
  }
  