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The Kafka client wrapper for 3.0.x

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/**
 * Copyright (c) 2019 - 2024 StreamNative, Inc.. All Rights Reserved.
 */
/**
 * Licensed 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 io.streamnative.kafka.client.three.zero;

import io.streamnative.kafka.client.api.GroupOffsetsInfo;
import io.streamnative.kafka.client.api.KafkaAdmin;
import java.util.Collections;
import java.util.List;
import org.apache.kafka.clients.admin.AdminClient;
import org.apache.kafka.clients.admin.AdminClientConfig;

public class Admin300Impl implements KafkaAdmin {

    private final AdminClient admin;

    public Admin300Impl(final String bootstrapServers) {
        this.admin = AdminClient.create(Collections.singletonMap(
                AdminClientConfig.BOOTSTRAP_SERVERS_CONFIG, bootstrapServers));
    }

    @Override
    public void close() {
        admin.close();
    }

    @Override
    public List listConsumerGroupOffsets(String group) throws Exception {
        return admin.listConsumerGroupOffsets(group).partitionsToOffsetAndMetadata().get().entrySet().stream()
                .map(e -> new GroupOffsetsInfo(e.getKey().topic(), e.getKey().partition(), e.getValue().offset()))
                .toList();
    }
}