samoa-api/src/test/java/org/apache/samoa/streams/kafka/OosTestSerializer.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 org.apache.samoa.streams.kafka;

import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.apache.samoa.learners.InstanceContentEvent;

/**
 *
 * @author Piotr Wawrzyniak
 */
public class OosTestSerializer implements KafkaDeserializer<InstanceContentEvent>, KafkaSerializer<InstanceContentEvent> {

    @Override
    public InstanceContentEvent deserialize(byte[] message) {
        try {
            ObjectInputStream ois = new ObjectInputStream(new ByteArrayInputStream(message));
            InstanceContentEvent ice = (InstanceContentEvent)ois.readObject();
            return ice;
        } catch (IOException | ClassNotFoundException ex) {
            Logger.getLogger(OosTestSerializer.class.getName()).log(Level.SEVERE, null, ex);
        }
        return null;
    }

    @Override
    public byte[] serialize(InstanceContentEvent message) {
        try {
            ByteArrayOutputStream baos = new ByteArrayOutputStream();
            ObjectOutputStream oos = new ObjectOutputStream(baos);
            oos.writeObject(message);
            oos.flush();
            return baos.toByteArray();            
        } catch (IOException ex) {
            Logger.getLogger(OosTestSerializer.class.getName()).log(Level.SEVERE, null, ex);
        }        
        return null;
    }
    
    
}