Netty Bootstrap/Server Bootstrap abstraction

NioTransport.java

// Public Domain!
import io.netty.bootstrap.Bootstrap;
import io.netty.bootstrap.ServerBootstrap;
import io.netty.channel.Channel;
import io.netty.channel.ChannelHandler;
import io.netty.channel.EventLoopGroup;
import io.netty.channel.ServerChannel;
import io.netty.channel.nio.NioEventLoopGroup;
import io.netty.channel.socket.nio.NioServerSocketChannel;
import io.netty.channel.socket.nio.NioSocketChannel;

/**
 *
 * @author simon
 */
public class NioTransport extends Transport{

    @Override
    protected EventLoopGroup socketLoop(boolean serverSide) {
        return new NioEventLoopGroup();
    }

    @Override
    protected EventLoopGroup listenerLoop() {
        return new NioEventLoopGroup(1);
    }

    @Override
    protected Class<? extends Channel> clientSocketType() {
        return NioSocketChannel.class;
    }

    @Override
    protected Class<? extends ServerChannel> serverSocketType() {
        return NioServerSocketChannel.class;
    }
    
}

Transport.java

// Public Domain!
import io.netty.bootstrap.Bootstrap;
import io.netty.bootstrap.ServerBootstrap;
import io.netty.channel.Channel;
import io.netty.channel.ChannelHandler;
import io.netty.channel.EventLoopGroup;
import io.netty.channel.ServerChannel;
import io.netty.handler.logging.LogLevel;
import io.netty.handler.logging.LoggingHandler;

/**
 *
 * @author simon
 */
public abstract class Transport {
    protected abstract EventLoopGroup socketLoop(boolean serverSide);
    protected abstract EventLoopGroup listenerLoop();
    protected abstract Class<? extends Channel> clientSocketType();
    protected abstract Class<? extends ServerChannel> serverSocketType();
    protected void clientOptions(Bootstrap clientBoot){}
    protected void serverOptions(ServerBootstrap srvBoot){}
    
    public Bootstrap client(ChannelHandler ch){
        Bootstrap clientBootstrap = new Bootstrap();
        clientBootstrap.group(socketLoop(false));
        clientBootstrap.channel(clientSocketType());
        clientOptions(clientBootstrap);
        clientBootstrap.handler(ch);
        return clientBootstrap;
    }
    public ServerBootstrap server(ChannelHandler ch){
        ServerBootstrap srvBoot = new ServerBootstrap();
        srvBoot.group(listenerLoop(), socketLoop(true));
        srvBoot.channel(serverSocketType());
        srvBoot.handler(new LoggingHandler(LogLevel.INFO));
        serverOptions(srvBoot);
        srvBoot.childHandler(ch);
        return srvBoot;
    }
}