| /** |
| * 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 com.datatorrent.contrib.kafka; |
| |
| import org.codehaus.jackson.map.ObjectMapper; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| /** |
| * KafkaJsonEncoder |
| * |
| * @since 2.0.0 |
| */ |
| public class KafkaJsonEncoder implements kafka.serializer.Encoder<Object> |
| { |
| private static final Logger LOG = LoggerFactory.getLogger(KafkaJsonEncoder.class); |
| private final ObjectMapper mapper = new ObjectMapper(); |
| |
| public KafkaJsonEncoder(kafka.utils.VerifiableProperties props) |
| { |
| } |
| |
| @Override |
| public byte[] toBytes(Object arg0) |
| { |
| try { |
| return mapper.writeValueAsBytes(arg0); |
| } catch (Exception e) { |
| LOG.error("Failed to encode {}", arg0, e); |
| throw new RuntimeException(e); |
| } |
| } |
| } |
| |