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package app
import io.undertow.websockets.WebSocketConnectionCallback
import io.undertow.websockets.core.{AbstractReceiveListener, BufferedTextMessage, WebSocketChannel, WebSockets}
import io.undertow.websockets.spi.WebSocketHttpExchange
object Websockets extends cask.MainRoutes{
@cask.websocket("/connect/:userName")
def showUserProfile(userName: String): cask.WebsocketResult = {
if (userName != "haoyi") cask.Response("", statusCode = 403)
else new WebSocketConnectionCallback() {
override def onConnect(exchange: WebSocketHttpExchange, channel: WebSocketChannel): Unit = {
channel.getReceiveSetter.set(
new AbstractReceiveListener() {
override def onFullTextMessage(channel: WebSocketChannel, message: BufferedTextMessage) = {
val data = message.getData
if (data == "") channel.close()
else WebSockets.sendTextBlocking(userName + " " + data, channel)
}
}
)
channel.resumeReceives()
}
}
}
initialize()
}
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