Simple Echo Server in Groovy

EchoServer.groovy

def server = new ServerSocket(2050)
while (!server.isClosed()) {
    server.accept({
        def input = it.inputStream.newReader()
        def output = new PrintStream(it.outputStream)
        while (!it.isClosed()) {
            output.println(input.readLine())
        }
    })
}