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.receiver.telegraf.provider.handler.pojo;
  
  import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
  import com.fasterxml.jackson.databind.ObjectMapper;
  import com.linecorp.armeria.common.AggregatedHttpRequest;
  import com.linecorp.armeria.common.annotation.Nullable;
  import com.linecorp.armeria.server.ServiceRequestContext;
  import com.linecorp.armeria.server.annotation.RequestConverterFunction;
  import lombok.AllArgsConstructor;
  import lombok.Data;
  import lombok.NoArgsConstructor;
  
  import java.lang.reflect.ParameterizedType;
  import java.util.List;
  
  @Data
  @NoArgsConstructor
  @AllArgsConstructor
  @JsonIgnoreProperties(ignoreUnknown = true)
  public class TelegrafData implements RequestConverterFunction {
      private List<TelegrafDatum> metrics;
      private static final ObjectMapper MAPPER = new ObjectMapper();
  
      @Override
      public @Nullable Object convertRequest(ServiceRequestContext ctx, AggregatedHttpRequest request, Class<?> expectedResultType,
                                             @Nullable ParameterizedType expectedParameterizedResultType) throws Exception {
  
          if (expectedResultType == TelegrafData.class) {
              // Convert the request to a TelegrafData object
              return MAPPER.readValue(request.contentUtf8(), TelegrafData.class);
          }
          return RequestConverterFunction.fallthrough();
      }
  }
  