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A library that implements the NRPE protocol for JAVA applications

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/*******************************************************************************
 * Copyright (c) 2007, 2014 Massimiliano Ziccardi
 *
 * Licensed 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 it.jnrpe.net;

import io.netty.buffer.ByteBuf;
import io.netty.channel.ChannelHandlerContext;
import io.netty.handler.codec.MessageToByteEncoder;

/**
 * This object is inserted inside the NETTY pipeline to create serialize a
 * {@link JNRPEResponse} object.
 * 
 * @author Massimiliano Ziccardi
 *
 * @version $Revision: 1.0 $
 */
public class JNRPEResponseEncoder extends MessageToByteEncoder {

    /**
     * Constructor.
     */
    public JNRPEResponseEncoder() {
    }

    /**
     * Method encode.
     * @param ctx ChannelHandlerContext
     * @param msg JNRPEResponse
     * @param out ByteBuf
     * @throws Exception
     */
    @Override
    protected final void encode(final ChannelHandlerContext ctx, final JNRPEResponse msg, final ByteBuf out) throws Exception {
        msg.updateCRC();
        out.writeShort(msg.getPacketVersion().intValue());
        out.writeShort(msg.getPacketType().intValue());
        out.writeInt(msg.getCRC());
        out.writeShort(msg.getResultCode());
        out.writeBytes(msg.getBuffer());
        out.writeBytes(msg.getDummy());
    }

}