RequestEncoder.java

/**
 * Copyright 2016 benjobs
 * <p>
 * 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
 * <p>
 * http://www.apache.org/licenses/LICENSE-2.0
 * <p>
 * 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.opencron.common.serialization;

import io.netty.buffer.ByteBuf;
import io.netty.channel.ChannelHandlerContext;
import io.netty.handler.codec.MessageToByteEncoder;
import org.opencron.common.job.Request;

/**
 * ${DESCRIPTION}
 *
 * @author Ricky Fung
 */
public final class RequestEncoder extends MessageToByteEncoder<Request> {

    private Serializer serializer = new HessianSerializer();

    @Override
    protected void encode(ChannelHandlerContext channelHandlerContext, Request request, ByteBuf byteBuf) throws Exception {
        byte[] data = serializer.encode(request);
        byteBuf.writeInt(data.length);
        byteBuf.writeBytes(data);
    }

}