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;
  
  import lombok.extern.slf4j.Slf4j;
  import org.apache.skywalking.oap.log.analyzer.module.LogAnalyzerModule;
  import org.apache.skywalking.oap.server.analyzer.agent.kafka.KafkaFetcherHandlerRegister;
  import org.apache.skywalking.oap.server.analyzer.agent.kafka.module.KafkaFetcherConfig;
  import org.apache.skywalking.oap.server.analyzer.agent.kafka.module.KafkaFetcherModule;
  import org.apache.skywalking.oap.server.analyzer.agent.kafka.provider.handler.JVMMetricsHandler;
  import org.apache.skywalking.oap.server.analyzer.agent.kafka.provider.handler.JsonLogHandler;
  import org.apache.skywalking.oap.server.analyzer.agent.kafka.provider.handler.LogHandler;
  import org.apache.skywalking.oap.server.analyzer.agent.kafka.provider.handler.MeterServiceHandler;
  import org.apache.skywalking.oap.server.analyzer.agent.kafka.provider.handler.ProfileTaskHandler;
  import org.apache.skywalking.oap.server.analyzer.agent.kafka.provider.handler.ServiceManagementHandler;
  import org.apache.skywalking.oap.server.analyzer.agent.kafka.provider.handler.TraceSegmentHandler;
  import org.apache.skywalking.oap.server.analyzer.module.AnalyzerModule;
  import org.apache.skywalking.oap.server.core.CoreModule;
  import org.apache.skywalking.oap.server.library.module.ModuleDefine;
  import org.apache.skywalking.oap.server.library.module.ModuleProvider;
  import org.apache.skywalking.oap.server.library.module.ModuleStartException;
  import org.apache.skywalking.oap.server.library.module.ServiceNotProvidedException;
  import org.apache.skywalking.oap.server.telemetry.TelemetryModule;
  
  @Slf4j
  public class KafkaFetcherProvider extends ModuleProvider {
      private KafkaFetcherHandlerRegister handlerRegister;
      private KafkaFetcherConfig config;
  
      @Override
      public String name() {
          return "default";
      }
  
      @Override
      public Class<? extends ModuleDefine> module() {
          return KafkaFetcherModule.class;
      }
  
      @Override
      public ConfigCreator newConfigCreator() {
          return new ConfigCreator<KafkaFetcherConfig>() {
              @Override
              public Class type() {
                  return KafkaFetcherConfig.class;
              }
  
              @Override
              public void onInitialized(final KafkaFetcherConfig initialized) {
                  config = initialized;
              }
          };
      }
  
      @Override
      public void prepare() throws ServiceNotProvidedException {
          handlerRegister = new KafkaFetcherHandlerRegister(config);
      }
  
      @Override
      public void start() throws ServiceNotProvidedException, ModuleStartException {
          handlerRegister.register(new JVMMetricsHandler(getManager(), config));
          handlerRegister.register(new ServiceManagementHandler(getManager(), config));
          handlerRegister.register(new TraceSegmentHandler(getManager(), config));
          handlerRegister.register(new ProfileTaskHandler(getManager(), config));
          handlerRegister.register(new MeterServiceHandler(getManager(), config));
  
          if (config.isEnableNativeProtoLog()) {
              handlerRegister.register(new LogHandler(getManager(), config));
          }
          if (config.isEnableNativeJsonLog()) {
              handlerRegister.register(new JsonLogHandler(getManager(), config));
          }
  
          handlerRegister.start();
      }
  
      @Override
      public void notifyAfterCompleted() throws ServiceNotProvidedException {
      }
  
      @Override
      public String[] requiredModules() {
          return new String[] {
              TelemetryModule.NAME,
              AnalyzerModule.NAME,
              LogAnalyzerModule.NAME,
              CoreModule.NAME
          };
      }
  
  }