contrib/src/main/java/org/apache/apex/malhar/contrib/kafka/KafkaSinglePortByteArrayInputOperator.java

/**
 * 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 java.nio.ByteBuffer;
import kafka.message.Message;

  /**
   * @since 2.1.0
   */
  public class KafkaSinglePortByteArrayInputOperator extends AbstractKafkaSinglePortInputOperator<byte[]>
  {

    /**
     * Implement abstract method of AbstractKafkaSinglePortInputOperator
     *
     * @param message
     * @return byte Array
     */
    @Override
    public byte[] getTuple(Message message)
    {
      byte[] bytes = null;
      try {
        ByteBuffer buffer = message.payload();
        bytes = new byte[buffer.remaining()];
        buffer.get(bytes);
      }
      catch (Exception ex) {
        return bytes;
      }
      return bytes;
    }

  }