kafka DescribeDelegationTokenResponse 源码
kafka DescribeDelegationTokenResponse 代码
文件路径:/clients/src/main/java/org/apache/kafka/common/requests/DescribeDelegationTokenResponse.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.DescribeDelegationTokenResponseData;
import org.apache.kafka.common.message.DescribeDelegationTokenResponseData.DescribedDelegationToken;
import org.apache.kafka.common.message.DescribeDelegationTokenResponseData.DescribedDelegationTokenRenewer;
import org.apache.kafka.common.protocol.ApiKeys;
import org.apache.kafka.common.protocol.ByteBufferAccessor;
import org.apache.kafka.common.protocol.Errors;
import org.apache.kafka.common.security.auth.KafkaPrincipal;
import org.apache.kafka.common.security.token.delegation.DelegationToken;
import org.apache.kafka.common.security.token.delegation.TokenInformation;
import java.nio.ByteBuffer;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;
public class DescribeDelegationTokenResponse extends AbstractResponse {
private final DescribeDelegationTokenResponseData data;
public DescribeDelegationTokenResponse(int version, int throttleTimeMs, Errors error, List<DelegationToken> tokens) {
super(ApiKeys.DESCRIBE_DELEGATION_TOKEN);
List<DescribedDelegationToken> describedDelegationTokenList = tokens
.stream()
.map(dt -> {
DescribedDelegationToken ddt = new DescribedDelegationToken()
.setTokenId(dt.tokenInfo().tokenId())
.setPrincipalType(dt.tokenInfo().owner().getPrincipalType())
.setPrincipalName(dt.tokenInfo().owner().getName())
.setIssueTimestamp(dt.tokenInfo().issueTimestamp())
.setMaxTimestamp(dt.tokenInfo().maxTimestamp())
.setExpiryTimestamp(dt.tokenInfo().expiryTimestamp())
.setHmac(dt.hmac())
.setRenewers(dt.tokenInfo().renewers()
.stream()
.map(r -> new DescribedDelegationTokenRenewer().setPrincipalName(r.getName()).setPrincipalType(r.getPrincipalType()))
.collect(Collectors.toList()));
if (version > 2) {
ddt.setTokenRequesterPrincipalType(dt.tokenInfo().tokenRequester().getPrincipalType())
.setTokenRequesterPrincipalName(dt.tokenInfo().tokenRequester().getName());
}
return ddt;
})
.collect(Collectors.toList());
this.data = new DescribeDelegationTokenResponseData()
.setThrottleTimeMs(throttleTimeMs)
.setErrorCode(error.code())
.setTokens(describedDelegationTokenList);
}
public DescribeDelegationTokenResponse(int version, int throttleTimeMs, Errors error) {
this(version, throttleTimeMs, error, new ArrayList<>());
}
public DescribeDelegationTokenResponse(DescribeDelegationTokenResponseData data) {
super(ApiKeys.DESCRIBE_DELEGATION_TOKEN);
this.data = data;
}
public static DescribeDelegationTokenResponse parse(ByteBuffer buffer, short version) {
return new DescribeDelegationTokenResponse(new DescribeDelegationTokenResponseData(
new ByteBufferAccessor(buffer), version));
}
@Override
public Map<Errors, Integer> errorCounts() {
return errorCounts(error());
}
@Override
public DescribeDelegationTokenResponseData data() {
return data;
}
@Override
public int throttleTimeMs() {
return data.throttleTimeMs();
}
@Override
public void maybeSetThrottleTimeMs(int throttleTimeMs) {
data.setThrottleTimeMs(throttleTimeMs);
}
public Errors error() {
return Errors.forCode(data.errorCode());
}
public List<DelegationToken> tokens() {
return data.tokens()
.stream()
.map(ddt -> new DelegationToken(new TokenInformation(
ddt.tokenId(),
new KafkaPrincipal(ddt.principalType(), ddt.principalName()),
new KafkaPrincipal(ddt.tokenRequesterPrincipalType(), ddt.tokenRequesterPrincipalName()),
ddt.renewers()
.stream()
.map(ddtr -> new KafkaPrincipal(ddtr.principalType(), ddtr.principalName()))
.collect(Collectors.toList()), ddt.issueTimestamp(), ddt.maxTimestamp(), ddt.expiryTimestamp()),
ddt.hmac()))
.collect(Collectors.toList());
}
public boolean hasError() {
return error() != Errors.NONE;
}
@Override
public boolean shouldClientThrottle(short version) {
return version >= 1;
}
}
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