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/*
 * 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.types.Struct;

import java.nio.ByteBuffer;


/**
 * Request from SASL client containing client SASL authentication token as defined by the
 * SASL protocol for the configured SASL mechanism.
 * 

* 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 { 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() { StringBuilder bld = new StringBuilder(); bld.append("(type=SaslAuthenticateRequest)"); return bld.toString(); } } private final SaslAuthenticateRequestData data; private final short version; public SaslAuthenticateRequest(SaslAuthenticateRequestData data) { this(data, ApiKeys.SASL_AUTHENTICATE.latestVersion()); } public SaslAuthenticateRequest(SaslAuthenticateRequestData data, short version) { super(ApiKeys.SASL_AUTHENTICATE, version); this.data = data; this.version = version; } public SaslAuthenticateRequest(Struct struct, short version) { super(ApiKeys.SASL_AUTHENTICATE, version); this.data = new SaslAuthenticateRequestData(struct, version); this.version = version; } public SaslAuthenticateRequestData data() { return data; } @Override public AbstractResponse getErrorResponse(int throttleTimeMs, Throwable e) { SaslAuthenticateResponseData response = new SaslAuthenticateResponseData() .setErrorCode(ApiError.fromThrowable(e).error().code()) .setErrorMessage(e.getMessage()); return new SaslAuthenticateResponse(response); } public static SaslAuthenticateRequest parse(ByteBuffer buffer, short version) { return new SaslAuthenticateRequest(ApiKeys.SASL_AUTHENTICATE.parseRequest(version, buffer), version); } @Override protected Struct toStruct() { return data.toStruct(version); } }





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