Netty Channels used comfortable with Scala Implicits

gistfile1.scala

import io.netty.util._
import io.netty.channel._
import io.netty.handler.codec.http._
import io.netty.handler.codec.http.websocketx._

package object netty {
  object NettyChannelAttr {
    val session = new AttributeKey[String]("Channel.session")
    val date = new AttributeKey[java.util.Date]("Channel.date")
    val keepAlive = new AttributeKey[Boolean]("Channel.keepAlive")
  }
  
  implicit class UberNettyContext(ctx: ChannelHandlerContext) extends ThruputNettyChannel(ctx.channel)
  implicit class UberNettyChannel(ch: Channel) {
    def session = Option[String](ch.attr(NettyChannelAttr.session).get)
    def session_=(a: String): Unit = ch.attr(NettyChannelAttr.session).set(a)
    def date = Option[java.util.Date](ch.attr(NettyChannelAttr.date).get)
    def date_=(a: java.util.Date): Unit = ch.attr(NettyChannelAttr.date).set(a)
    def keepAlive: Boolean = Option[Boolean](ch.attr(NettyChannelAttr.keepAlive).get) getOrElse false
    def keepAlive_=(a: Boolean): Unit = ch.attr(NettyChannelAttr.keepAlive).set(a)
    def answer(rsp: FullHttpResponse) {
      val future = ch.write(rsp)
      if (!keepAlive) future.addListener(ChannelFutureListener.CLOSE)
    }
  }}

gistfile2.scala

if (ctx.keepAlive) println("yeah")

ctx.answer(new DefaultFullHttpResponse(..))