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 io.amient.examples.wikipedia;
  
  import com.fasterxml.jackson.databind.ObjectMapper;
  import org.apache.kafka.common.errors.SerializationException;
  import org.apache.kafka.common.serialization.Deserializer;
  import org.apache.kafka.common.serialization.Serde;
  import org.apache.kafka.common.serialization.Serializer;
  
  import java.util.Map;
  
  public class JsonPOJOSerde<T> implements Serde<T> {
  
      private final ObjectMapper mapper = new ObjectMapper();
      private final Class<T> cls;
  
      public JsonPOJOSerde(Class<T> cls) {
          this.cls = cls;
      }
  
      @Override
      public void configure(Map<String, ?> configs, boolean isKey) {
  
      }
  
      @Override
      public void close() {
  
      }
  
      @Override
      public Serializer<T> serializer() {
          return new Serializer<T>() {
  
              @Override
              public void configure(Map<String, ?> configs, boolean isKey) {
  
              }
  
              @Override
              public byte[] serialize(String topic, T data) {
                  try {
                      return mapper.writeValueAsBytes(data);
                  } catch (Exception e) {
                      throw new SerializationException("Error serializing JSON message", e);
                  }
              }
  
              @Override
              public void close() {
  
              }
          };
  
      }
  
      @Override
      public Deserializer<T> deserializer() {
          return new Deserializer<T>() {
              @Override
              public void configure(Map<String, ?> configs, boolean isKey) {
  
              }
  
              @Override
              public T deserialize(String topic, byte[] data) {
                  T result;
                  try {
                      result = mapper.readValue(data, cls);
                  } catch (Exception e) {
                      throw new SerializationException(e);
                  }
  
                  return result;
              }
  
              @Override
              public void close() {
  
              }
          };
      }
  }
  