/**
* Netty + Java provide WRAPPER FACADES for all of the underlying functionality of this program
*/
public static void main(String[] args) throws Exception {
if (args.length == 1) {
try {
int port = Integer.parseInt(args[0]);
EchoServer.accept(port);
} catch (NumberFormatException e) {
System.err.println("Argument" + args[0] + " must be an integer.");
System.exit(1);
}
}
}