content: /*
   * 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.camel.component.kafka.transform;
  
  import java.util.HashMap;
  import java.util.Map;
  
  import com.fasterxml.jackson.databind.JsonNode;
  import com.fasterxml.jackson.databind.ObjectMapper;
  import org.apache.camel.Exchange;
  import org.apache.camel.ExchangeProperty;
  import org.apache.camel.InvalidPayloadException;
  
  public class HoistField {
  
      public JsonNode process(@ExchangeProperty("field") String field, Exchange ex) throws InvalidPayloadException {
          ObjectMapper mapper = new ObjectMapper();
          Object body = ex.getMessage().getBody();
          Map<Object, Object> updatedBody = new HashMap<>();
          updatedBody.put(field, body);
          return mapper.valueToTree(updatedBody);
      }
  
  }
  