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.TopicPartition;
  import org.apache.kafka.common.message.DescribeQuorumRequestData;
  import org.apache.kafka.common.message.DescribeQuorumResponseData;
  import org.apache.kafka.common.protocol.ApiKeys;
  import org.apache.kafka.common.protocol.Errors;
  import org.apache.kafka.common.protocol.Readable;
  
  import java.util.ArrayList;
  import java.util.Collections;
  import java.util.List;
  import java.util.stream.Collectors;
  
  public class DescribeQuorumRequest extends AbstractRequest {
      public static class Builder extends AbstractRequest.Builder<DescribeQuorumRequest> {
          private final DescribeQuorumRequestData data;
  
          public Builder(DescribeQuorumRequestData data) {
              super(ApiKeys.DESCRIBE_QUORUM);
              this.data = data;
          }
  
          @Override
          public DescribeQuorumRequest build(short version) {
              return new DescribeQuorumRequest(data, version);
          }
  
          @Override
          public String toString() {
              return data.toString();
          }
      }
  
      private final DescribeQuorumRequestData data;
  
      private DescribeQuorumRequest(DescribeQuorumRequestData data, short version) {
          super(ApiKeys.DESCRIBE_QUORUM, version);
          this.data = data;
      }
  
      public static DescribeQuorumRequest parse(Readable readable, short version) {
          return new DescribeQuorumRequest(new DescribeQuorumRequestData(readable, version), version);
      }
  
      public static DescribeQuorumRequestData singletonRequest(TopicPartition topicPartition) {
          return new DescribeQuorumRequestData()
              .setTopics(Collections.singletonList(
                  new DescribeQuorumRequestData.TopicData()
                      .setTopicName(topicPartition.topic())
                      .setPartitions(Collections.singletonList(
                          new DescribeQuorumRequestData.PartitionData()
                              .setPartitionIndex(topicPartition.partition()))
              )));
      }
  
      @Override
      public DescribeQuorumRequestData data() {
          return data;
      }
  
      @Override
      public AbstractResponse getErrorResponse(int throttleTimeMs, Throwable e) {
          return new DescribeQuorumResponse(getTopLevelErrorResponse(Errors.forException(e)));
      }
  
      public static DescribeQuorumResponseData getPartitionLevelErrorResponse(DescribeQuorumRequestData data, Errors error) {
          short errorCode = error.code();
          String errorMessage = error.message();
  
          List<DescribeQuorumResponseData.TopicData> topicResponses = new ArrayList<>();
          for (DescribeQuorumRequestData.TopicData topic : data.topics()) {
              topicResponses.add(
                  new DescribeQuorumResponseData.TopicData()
                      .setTopicName(topic.topicName())
                      .setPartitions(topic.partitions().stream().map(
                          requestPartition -> new DescribeQuorumResponseData.PartitionData()
                                                  .setPartitionIndex(requestPartition.partitionIndex())
                                                  .setErrorCode(errorCode)
                                                  .setErrorMessage(errorMessage)
                      ).collect(Collectors.toList())));
          }
  
          return new DescribeQuorumResponseData().setTopics(topicResponses);
      }
  
      public static DescribeQuorumResponseData getTopLevelErrorResponse(Errors topLevelError) {
          return new DescribeQuorumResponseData().setErrorCode(topLevelError.code()).setErrorMessage(topLevelError.message());
      }
  }
  