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.internals.KafkaFutureImpl;
  import org.apache.kafka.common.message.DescribeClientQuotasResponseData;
  import org.apache.kafka.common.message.DescribeClientQuotasResponseData.EntityData;
  import org.apache.kafka.common.message.DescribeClientQuotasResponseData.EntryData;
  import org.apache.kafka.common.message.DescribeClientQuotasResponseData.ValueData;
  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.quota.ClientQuotaEntity;
  
  import java.util.ArrayList;
  import java.util.HashMap;
  import java.util.List;
  import java.util.Map;
  
  public class DescribeClientQuotasResponse extends AbstractResponse {
  
      private final DescribeClientQuotasResponseData data;
  
      public DescribeClientQuotasResponse(DescribeClientQuotasResponseData data) {
          super(ApiKeys.DESCRIBE_CLIENT_QUOTAS);
          this.data = data;
      }
  
      public void complete(KafkaFutureImpl<Map<ClientQuotaEntity, Map<String, Double>>> future) {
          Errors error = Errors.forCode(data.errorCode());
          if (error != Errors.NONE) {
              future.completeExceptionally(error.exception(data.errorMessage()));
              return;
          }
  
          Map<ClientQuotaEntity, Map<String, Double>> result = new HashMap<>(data.entries().size());
          for (EntryData entries : data.entries()) {
              Map<String, String> entity = new HashMap<>(entries.entity().size());
              for (EntityData entityData : entries.entity()) {
                  entity.put(entityData.entityType(), entityData.entityName());
              }
  
              Map<String, Double> values = new HashMap<>(entries.values().size());
              for (ValueData valueData : entries.values()) {
                  values.put(valueData.key(), valueData.value());
              }
  
              result.put(new ClientQuotaEntity(entity), values);
          }
          future.complete(result);
      }
  
      @Override
      public int throttleTimeMs() {
          return data.throttleTimeMs();
      }
  
      @Override
      public void maybeSetThrottleTimeMs(int throttleTimeMs) {
          data.setThrottleTimeMs(throttleTimeMs);
      }
  
      @Override
      public DescribeClientQuotasResponseData data() {
          return data;
      }
  
      @Override
      public Map<Errors, Integer> errorCounts() {
          return errorCounts(Errors.forCode(data.errorCode()));
      }
  
      public static DescribeClientQuotasResponse parse(Readable readable, short version) {
          return new DescribeClientQuotasResponse(new DescribeClientQuotasResponseData(readable, version));
      }
  
      public static DescribeClientQuotasResponse fromQuotaEntities(Map<ClientQuotaEntity, Map<String, Double>> entities,
                                                                   int throttleTimeMs) {
          List<EntryData> entries = new ArrayList<>(entities.size());
          for (Map.Entry<ClientQuotaEntity, Map<String, Double>> entry : entities.entrySet()) {
              ClientQuotaEntity quotaEntity = entry.getKey();
              List<EntityData> entityData = new ArrayList<>(quotaEntity.entries().size());
              for (Map.Entry<String, String> entityEntry : quotaEntity.entries().entrySet()) {
                  entityData.add(new EntityData()
                          .setEntityType(entityEntry.getKey())
                          .setEntityName(entityEntry.getValue()));
              }
  
              Map<String, Double> quotaValues = entry.getValue();
              List<ValueData> valueData = new ArrayList<>(quotaValues.size());
              for (Map.Entry<String, Double> valuesEntry : entry.getValue().entrySet()) {
                  valueData.add(new ValueData()
                          .setKey(valuesEntry.getKey())
                          .setValue(valuesEntry.getValue()));
              }
  
              entries.add(new EntryData()
                      .setEntity(entityData)
                      .setValues(valueData));
          }
  
          return new DescribeClientQuotasResponse(new DescribeClientQuotasResponseData()
              .setThrottleTimeMs(throttleTimeMs)
              .setErrorCode((short) 0)
              .setErrorMessage(null)
              .setEntries(entries));
      }
  }
  