code: /*
   * 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.skywalking.oap.server.analyzer.agent.kafka.provider.handler;
  
  import java.io.IOException;
  
  import java.nio.charset.StandardCharsets;
  import lombok.extern.slf4j.Slf4j;
  import org.apache.kafka.clients.consumer.ConsumerRecord;
  import org.apache.kafka.common.utils.Bytes;
  import org.apache.skywalking.apm.network.logging.v3.LogData;
  import org.apache.skywalking.oap.server.analyzer.agent.kafka.module.KafkaFetcherConfig;
  import org.apache.skywalking.oap.server.library.module.ModuleManager;
  import org.apache.skywalking.oap.server.library.util.ProtoBufJsonUtils;
  
  @Slf4j
  public class JsonLogHandler extends LogHandler {
  
      private final KafkaFetcherConfig config;
  
      public JsonLogHandler(ModuleManager moduleManager, KafkaFetcherConfig config) {
          super(moduleManager, config);
          this.config = config;
      }
  
      @Override
      public String getPlainTopic() {
          return config.getTopicNameOfJsonLogs();
      }
  
      @Override
      protected String getDataFormat() {
          return "json";
      }
  
      @Override
      protected LogData parseConsumerRecord(ConsumerRecord<String, Bytes> record) throws IOException {
          LogData.Builder logDataBuilder = LogData.newBuilder();
          ProtoBufJsonUtils.fromJSON(new String(record.value().get(), StandardCharsets.UTF_8), logDataBuilder);
          return logDataBuilder.build();
      }
  }
  