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.SaslAuthenticateRequestData;
  import org.apache.kafka.common.message.SaslAuthenticateResponseData;
  import org.apache.kafka.common.protocol.ApiKeys;
  import org.apache.kafka.common.protocol.Readable;
  
  
  /**
   * Request from SASL client containing client SASL authentication token as defined by the
   * SASL protocol for the configured SASL mechanism.
   * <p/>
   * For interoperability with versions prior to Kafka 1.0.0, this request is used only with broker
   * version 1.0.0 and higher that support SaslHandshake request v1. Clients connecting to older
   * brokers will send SaslHandshake request v0 followed by SASL tokens without the Kafka request headers.
   */
  public class SaslAuthenticateRequest extends AbstractRequest {
  
      public static class Builder extends AbstractRequest.Builder<SaslAuthenticateRequest> {
          private final SaslAuthenticateRequestData data;
  
          public Builder(SaslAuthenticateRequestData data) {
              super(ApiKeys.SASL_AUTHENTICATE);
              this.data = data;
          }
  
          @Override
          public SaslAuthenticateRequest build(short version) {
              return new SaslAuthenticateRequest(data, version);
          }
  
          @Override
          public String toString() {
              return "(type=SaslAuthenticateRequest)";
          }
      }
  
      private final SaslAuthenticateRequestData data;
  
      public SaslAuthenticateRequest(SaslAuthenticateRequestData data, short version) {
          super(ApiKeys.SASL_AUTHENTICATE, version);
          this.data = data;
      }
  
      @Override
      public SaslAuthenticateRequestData data() {
          return data;
      }
  
      @Override
      public AbstractResponse getErrorResponse(int throttleTimeMs, Throwable e) {
          ApiError apiError = ApiError.fromThrowable(e);
          SaslAuthenticateResponseData response = new SaslAuthenticateResponseData()
                  .setErrorCode(apiError.error().code())
                  .setErrorMessage(apiError.message());
          return new SaslAuthenticateResponse(response);
      }
  
      public static SaslAuthenticateRequest parse(Readable readable, short version) {
          return new SaslAuthenticateRequest(new SaslAuthenticateRequestData(readable, version),
              version);
      }
  }
  