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 com.fasterxml.jackson.databind.JsonNode;
  import com.fasterxml.jackson.databind.node.JsonNodeType;
  import com.fasterxml.jackson.databind.node.ObjectNode;
  import org.apache.camel.Exchange;
  import org.apache.camel.InvalidPayloadException;
  import org.apache.camel.Processor;
  
  public class DropField implements Processor {
  
      String field;
  
      /**
       * Default constructor.
       */
      public DropField() {
      }
  
      /**
       * Constructor using fields.
       *
       * @param field the field name to drop.
       */
      public DropField(String field, String value) {
          this.field = field;
      }
  
      public void process(Exchange ex) throws InvalidPayloadException {
          JsonNode body = ex.getMessage().getBody(JsonNode.class);
          if (body == null) {
              throw new InvalidPayloadException(ex, JsonNode.class);
          }
  
          if (body.getNodeType().equals(JsonNodeType.OBJECT)) {
              ((ObjectNode) body).remove(field);
              ex.getMessage().setBody(body);
          }
      }
  
      public void setField(String field) {
          this.field = field;
      }
  }
  