content: /*
   * Licensed to the Apache Software Foundation (ASF) under one or more
   * contributor license agreements. See the NOTICE file distributed with
   * this work for additional information regarding copyright ownership.
   * The ASF licenses this file to You under the Apache License, Version 2.0
   * (the "License"); you may not use this file except in compliance with
   * the License. You may obtain a copy of the License at
   *
   *    http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  package org.apache.kafka.common.requests;
  
  import org.apache.kafka.common.message.DescribeDelegationTokenRequestData;
  import org.apache.kafka.common.protocol.ApiKeys;
  import org.apache.kafka.common.protocol.Errors;
  import org.apache.kafka.common.protocol.Readable;
  import org.apache.kafka.common.security.auth.KafkaPrincipal;
  
  import java.util.List;
  import java.util.stream.Collectors;
  
  public class DescribeDelegationTokenRequest extends AbstractRequest {
  
      public static class Builder extends AbstractRequest.Builder<DescribeDelegationTokenRequest> {
          private final DescribeDelegationTokenRequestData data;
  
          public Builder(List<KafkaPrincipal> owners) {
              super(ApiKeys.DESCRIBE_DELEGATION_TOKEN);
              this.data = new DescribeDelegationTokenRequestData()
                  .setOwners(owners == null ? null : owners
                      .stream()
                      .map(owner -> new DescribeDelegationTokenRequestData.DescribeDelegationTokenOwner()
                              .setPrincipalName(owner.getName())
                              .setPrincipalType(owner.getPrincipalType()))
                      .collect(Collectors.toList()));
          }
  
          @Override
          public DescribeDelegationTokenRequest build(short version) {
              return new DescribeDelegationTokenRequest(data, version);
          }
  
          @Override
          public String toString() {
              return data.toString();
          }
      }
  
      private final DescribeDelegationTokenRequestData data;
  
      public DescribeDelegationTokenRequest(DescribeDelegationTokenRequestData data, short version) {
          super(ApiKeys.DESCRIBE_DELEGATION_TOKEN, version);
          this.data = data;
      }
  
      @Override
      public DescribeDelegationTokenRequestData data() {
          return data;
      }
  
      public boolean ownersListEmpty() {
          return data.owners() != null && data.owners().isEmpty();
      }
  
      @Override
      public AbstractResponse getErrorResponse(int throttleTimeMs, Throwable e) {
          return new DescribeDelegationTokenResponse(version(), throttleTimeMs, Errors.forException(e));
      }
  
      public static DescribeDelegationTokenRequest parse(Readable readable, short version) {
          return new DescribeDelegationTokenRequest(new DescribeDelegationTokenRequestData(
              readable, version), version);
      }
  }
  