kafka SaslAuthenticateRequest 源码
kafka SaslAuthenticateRequest 代码
文件路径:/clients/src/main/java/org/apache/kafka/common/requests/SaslAuthenticateRequest.java
/*
* 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.ByteBufferAccessor;
import java.nio.ByteBuffer;
/**
* 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(ByteBuffer buffer, short version) {
return new SaslAuthenticateRequest(new SaslAuthenticateRequestData(new ByteBufferAccessor(buffer), version),
version);
}
}
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