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.debezium;
  
  import java.util.HashMap;
  import java.util.Map;
  
  import org.apache.camel.Converter;
  import org.apache.kafka.connect.data.Struct;
  
  @Converter(generateLoader = true)
  public final class DebeziumTypeConverter {
  
      private DebeziumTypeConverter() {
      }
  
      /**
       * Convert {@link Struct} to {@link HashMap}, this only works with flat fields and it doesn't handle nested
       * structure. Also as a result of the conversion, the schema data will be lost which is expected.
       *
       * @param  struct
       * @return        {@link Map}
       */
      @Converter
      public static Map<String, Object> toMap(final Struct struct) {
          final HashMap<String, Object> fieldsToValues = new HashMap<>();
  
          struct.schema().fields().forEach(field -> {
              Object value = struct.get(field);
  
              // recursive call if we have nested structs
              if (value instanceof Struct) {
                  fieldsToValues.put(field.name(), toMap((Struct) value));
              } else {
                  fieldsToValues.put(field.name(), value);
              }
          });
  
          return fieldsToValues;
      }
  }
  