| /* |
| * 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.protocol.ApiKeys; |
| import org.apache.kafka.common.protocol.Errors; |
| import org.apache.kafka.common.protocol.types.Struct; |
| import org.apache.kafka.common.utils.Utils; |
| |
| import java.nio.ByteBuffer; |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| public class DescribeGroupsRequest extends AbstractRequest { |
| private static final String GROUP_IDS_KEY_NAME = "group_ids"; |
| |
| public static class Builder extends AbstractRequest.Builder<DescribeGroupsRequest> { |
| private final List<String> groupIds; |
| |
| public Builder(List<String> groupIds) { |
| super(ApiKeys.DESCRIBE_GROUPS); |
| this.groupIds = groupIds; |
| } |
| |
| @Override |
| public DescribeGroupsRequest build(short version) { |
| return new DescribeGroupsRequest(this.groupIds, version); |
| } |
| |
| @Override |
| public String toString() { |
| return "(type=DescribeGroupsRequest, groupIds=(" + Utils.join(groupIds, ",") + "))"; |
| } |
| } |
| |
| private final List<String> groupIds; |
| |
| private DescribeGroupsRequest(List<String> groupIds, short version) { |
| super(version); |
| this.groupIds = groupIds; |
| } |
| |
| public DescribeGroupsRequest(Struct struct, short version) { |
| super(version); |
| this.groupIds = new ArrayList<>(); |
| for (Object groupId : struct.getArray(GROUP_IDS_KEY_NAME)) |
| this.groupIds.add((String) groupId); |
| } |
| |
| public List<String> groupIds() { |
| return groupIds; |
| } |
| |
| @Override |
| protected Struct toStruct() { |
| Struct struct = new Struct(ApiKeys.DESCRIBE_GROUPS.requestSchema(version())); |
| struct.set(GROUP_IDS_KEY_NAME, groupIds.toArray()); |
| return struct; |
| } |
| |
| @Override |
| public AbstractResponse getErrorResponse(int throttleTimeMs, Throwable e) { |
| short version = version(); |
| switch (version) { |
| case 0: |
| return DescribeGroupsResponse.fromError(Errors.forException(e), groupIds); |
| case 1: |
| return DescribeGroupsResponse.fromError(throttleTimeMs, Errors.forException(e), groupIds); |
| |
| default: |
| throw new IllegalArgumentException(String.format("Version %d is not valid. Valid versions for %s are 0 to %d", |
| version, this.getClass().getSimpleName(), ApiKeys.DESCRIBE_GROUPS.latestVersion())); |
| } |
| } |
| |
| public static DescribeGroupsRequest parse(ByteBuffer buffer, short version) { |
| return new DescribeGroupsRequest(ApiKeys.DESCRIBE_GROUPS.parseRequest(version, buffer), version); |
| } |
| } |