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RabbitControl is a binary data-format definition to describe data values and ui-elements.

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package org.rabbitcontrol.rcp.transport.netty;

import io.netty.buffer.ByteBuf;
import io.netty.channel.ChannelHandlerContext;
import io.netty.handler.codec.MessageToMessageDecoder;
import org.rabbitcontrol.rcp.RCP;
import org.rabbitcontrol.rcp.transport.ServerTransporter;
import org.rabbitcontrol.rcp.transport.ServerTransporterListener;

import java.util.List;

import static org.rabbitcontrol.rcp.RCP.bytesToHex;

public class RCPServerDecoder extends MessageToMessageDecoder {

    private final ServerTransporter transporter;

    private final ServerTransporterListener listener;

    private final ChannelManager channelManager;

    public RCPServerDecoder(final ServerTransporter _transporter,
                            final ServerTransporterListener _listener,
                            final ChannelManager _channelManager) {
        transporter = _transporter;
        listener = _listener;
        channelManager = _channelManager;
    }

    @Override
    public void channelActive(final ChannelHandlerContext ctx) throws Exception {

        if (channelManager != null) {
            channelManager.addChannel(ctx.channel());
        }

        super.channelActive(ctx);
    }

    @Override
    public void channelInactive(final ChannelHandlerContext ctx) throws Exception {

        if (channelManager != null) {
            channelManager.removeChannel(ctx.channel());
        }

        super.channelInactive(ctx);
    }


    @Override
    protected void decode(
            final ChannelHandlerContext ctx, final ByteBuf msg, final List