| /* |
| * 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.sling.distribution.journal.kafka; |
| |
| import static java.util.Objects.requireNonNull; |
| |
| import java.io.IOException; |
| |
| import org.apache.kafka.clients.consumer.ConsumerRecord; |
| import org.apache.sling.distribution.journal.MessageHandler; |
| import org.apache.sling.distribution.journal.MessageInfo; |
| |
| import com.fasterxml.jackson.databind.ObjectReader; |
| |
| public class JsonRecordHandler<T> { |
| |
| public final MessageHandler<T> handler; |
| |
| public final ObjectReader reader; |
| |
| public JsonRecordHandler(MessageHandler<T> handler, ObjectReader reader) { |
| this.reader = reader; |
| this.handler = requireNonNull(handler); |
| |
| } |
| |
| public void accept(ConsumerRecord<String, String> record) throws IOException { |
| MessageInfo info = new KafkaMessageInfo(record); |
| String payload = record.value(); |
| T message = reader.readValue(payload); |
| handler.handle(info, message); |
| } |
| } |