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.example.kafka.avro;
  
  import java.util.Collections;
  import java.util.List;
  import java.util.Map;
  
  import io.confluent.kafka.schemaregistry.avro.AvroSchema;
  import io.confluent.kafka.schemaregistry.avro.AvroSchemaUtils;
  import io.confluent.kafka.schemaregistry.client.CachedSchemaRegistryClient;
  import io.confluent.kafka.serializers.AbstractKafkaAvroSerializer;
  import io.confluent.kafka.serializers.KafkaAvroSerializerConfig;
  import org.apache.kafka.common.config.ConfigException;
  import org.apache.kafka.common.serialization.Serializer;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  public class CustomKafkaAvroSerializer extends AbstractKafkaAvroSerializer  implements Serializer<Object> {
  
      private static final Logger LOG = LoggerFactory.getLogger(CustomKafkaAvroSerializer.class);
      private static final String SCHEMA_REGISTRY_URL = "http://localhost:8081";
      private boolean useSpecificAvroReader = true;
      private boolean isKey;
  
      @Override
      public void close() {
      }
  
  
      @Override
      public byte[] serialize(String topic, Object record) {
          LOG.info("****************serialize*******************************");
          LOG.info("Serialize method: topic " + topic);
          LOG.info("Serialize method: byte " + record);
          AvroSchema schema = new AvroSchema(AvroSchemaUtils.getSchema(record));
          return serializeImpl(
                  getSubjectName(topic, isKey, record, schema), record, schema);
      }
  
      @Override
      public void configure(KafkaAvroSerializerConfig config) {
          LOG.info("ENTER CustomKafkaAvroDeserializer  : configure method ");
          LOG.info("ENTER CustomKafkaAvroDeserializer  : SCHEMA_REGISTRY_URL " + SCHEMA_REGISTRY_URL);
  
          try {
              final List<String> schemas = Collections.singletonList(SCHEMA_REGISTRY_URL);
              this.schemaRegistry = new CachedSchemaRegistryClient(schemas, Integer.MAX_VALUE);
              this.useSpecificAvroReader = true;
  
          } catch (ConfigException e) {
              e.printStackTrace();
              throw new org.apache.kafka.common.config.ConfigException(e.getMessage());
          }
          LOG.info("EXIT CustomKafkaAvroserializer  : configure method ");
      }
  
  
      @Override
      public void configure(Map<String, ?> arg0, boolean arg1) {
          configure(null);
      }
  }
  