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KafkaAvroSerializer.java
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KafkaAvroSerializer.java
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/*
* Copyright 2018 Confluent Inc.
*
* Licensed 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.confluent.kafka.serializers;
import org.apache.kafka.common.header.Headers;
import org.apache.kafka.common.serialization.Serializer;
import java.io.IOException;
import java.util.Map;
import io.confluent.kafka.schemaregistry.avro.AvroSchema;
import io.confluent.kafka.schemaregistry.avro.AvroSchemaUtils;
import io.confluent.kafka.schemaregistry.client.SchemaRegistryClient;
public class KafkaAvroSerializer extends AbstractKafkaAvroSerializer implements Serializer<Object> {
/**
* Constructor used by Kafka producer.
*/
public KafkaAvroSerializer() {
}
public KafkaAvroSerializer(SchemaRegistryClient client) {
this.schemaRegistry = client;
this.ticker = ticker(client);
}
public KafkaAvroSerializer(SchemaRegistryClient client, Map<String, ?> props) {
this.schemaRegistry = client;
this.ticker = ticker(client);
configure(serializerConfig(props));
}
@Override
public void configure(Map<String, ?> configs, boolean isKey) {
this.isKey = isKey;
configure(new KafkaAvroSerializerConfig(configs));
}
@Override
public byte[] serialize(String topic, Object data) {
return this.serialize(topic, null, data);
}
@Override
public byte[] serialize(String topic, Headers headers, Object record) {
if (record == null) {
return null;
}
AvroSchema schema = new AvroSchema(
AvroSchemaUtils.getSchema(record, useSchemaReflection,
avroReflectionAllowNull, avroUseLogicalTypeConverters, removeJavaProperties, true));
return serializeImpl(
getSubjectName(topic, isKey, record, schema), topic, headers, record, schema);
}
@Override
public void close() {
try {
super.close();
} catch (IOException e) {
throw new RuntimeException("Exception while closing serializer", e);
}
}
}