Packet Class

public class PacketCPU implements IMessage {

    private PacketBuffer data;
    protected String textData;
    private String channel = "PC|CPU";

    public PacketCPU()
    {
    }

    @SideOnly(Side.CLIENT)
    public PacketCPU(String code, PacketBuffer dataIn)
    {
        this.textData = code;
        this.data = dataIn;

        if (dataIn.writerIndex() > 32767)
        {
            throw new IllegalArgumentException("Payload may not be larger than 32767 bytes");
        }
    }

    @Override
    public void fromBytes(ByteBuf buf) {
        String myString = ByteBufUtils.readUTF8String(buf);
    }

    @Override
    public void toBytes(ByteBuf buf) {
        ByteBufUtils.writeUTF8String(buf, textData);

    }

}