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.config.ConfigResource;
  import org.apache.kafka.common.message.AlterConfigsRequestData;
  import org.apache.kafka.common.message.AlterConfigsResponseData;
  import org.apache.kafka.common.protocol.ApiKeys;
  import org.apache.kafka.common.protocol.Readable;
  
  import java.util.Collection;
  import java.util.Map;
  import java.util.Objects;
  import java.util.stream.Collectors;
  
  public class AlterConfigsRequest extends AbstractRequest {
  
      public static class Config {
          private final Collection<ConfigEntry> entries;
  
          public Config(Collection<ConfigEntry> entries) {
              this.entries = Objects.requireNonNull(entries, "entries");
          }
  
          public Collection<ConfigEntry> entries() {
              return entries;
          }
      }
  
      public static class ConfigEntry {
          private final String name;
          private final String value;
  
          public ConfigEntry(String name, String value) {
              this.name = Objects.requireNonNull(name, "name");
              this.value = Objects.requireNonNull(value, "value");
          }
  
          public String name() {
              return name;
          }
  
          public String value() {
              return value;
          }
  
      }
  
      public static class Builder extends AbstractRequest.Builder<AlterConfigsRequest> {
  
          private final AlterConfigsRequestData data = new AlterConfigsRequestData();
  
          public Builder(Map<ConfigResource, Config> configs, boolean validateOnly) {
              super(ApiKeys.ALTER_CONFIGS);
              Objects.requireNonNull(configs, "configs");
              for (Map.Entry<ConfigResource, Config> entry : configs.entrySet()) {
                  AlterConfigsRequestData.AlterConfigsResource resource =
                      new AlterConfigsRequestData.AlterConfigsResource()
                          .setResourceName(entry.getKey().name())
                          .setResourceType(entry.getKey().type().id());
                  for (ConfigEntry x : entry.getValue().entries) {
                      resource.configs().add(new AlterConfigsRequestData.AlterableConfig()
                                                 .setName(x.name())
                                                 .setValue(x.value()));
                  }
                  this.data.resources().add(resource);
              }
              this.data.setValidateOnly(validateOnly);
          }
  
          @Override
          public AlterConfigsRequest build(short version) {
              return new AlterConfigsRequest(data, version);
          }
      }
  
      private final AlterConfigsRequestData data;
  
      public AlterConfigsRequest(AlterConfigsRequestData data, short version) {
          super(ApiKeys.ALTER_CONFIGS, version);
          this.data = data;
      }
  
      public Map<ConfigResource, Config> configs() {
          return data.resources().stream().collect(Collectors.toMap(
              resource -> new ConfigResource(
                      ConfigResource.Type.forId(resource.resourceType()),
                      resource.resourceName()),
              resource -> new Config(resource.configs().stream()
                      .map(entry -> new ConfigEntry(entry.name(), entry.value()))
                      .collect(Collectors.toList()))));
      }
  
      public boolean validateOnly() {
          return data.validateOnly();
      }
  
      @Override
      public AlterConfigsRequestData data() {
          return data;
      }
  
      @Override
      public AbstractResponse getErrorResponse(int throttleTimeMs, Throwable e) {
          ApiError error = ApiError.fromThrowable(e);
          AlterConfigsResponseData data = new AlterConfigsResponseData()
                  .setThrottleTimeMs(throttleTimeMs);
          for (AlterConfigsRequestData.AlterConfigsResource resource : this.data.resources()) {
              data.responses().add(new AlterConfigsResponseData.AlterConfigsResourceResponse()
                      .setResourceType(resource.resourceType())
                      .setResourceName(resource.resourceName())
                      .setErrorMessage(error.message())
                      .setErrorCode(error.error().code()));
          }
          return new AlterConfigsResponse(data);
  
      }
  
      public static AlterConfigsRequest parse(Readable readable, short version) {
          return new AlterConfigsRequest(new AlterConfigsRequestData(readable, version), version);
      }
  }
  