ejemplo.swift

import UIkit
import WebSocket
...

// Mobile

socket = WebSocket(url: URL(string: "ws://localhost:8080/")!)
//websocketDidConnect
socket.onConnect = {
    print("websocket is connected")
}
//websocketDidDisconnect
socket.onDisconnect = { (error: NSError?) in
    print("websocket is disconnected: \(error?.localizedDescription)")
}
//websocketDidReceiveMessage
socket.onText = { (text: String) in
    print("got some text: \(text)")
}
//websocketDidReceiveData
socket.onData = { (data: Data) in
    print("got some data: \(data.count)")
}


//you could do onPong as well.
socket.connect()


socket.write(string: "Hi Server!");

// Console IOS
got some text: Hi Server!

// Server Java


	@overwite function (String: data) ReturnType {
		print(data);
		socket.write(data);
	}

Console SERVER
Hi Server!