| 1 | package dolda.dolcon.protocol; |
| 2 | |
| 3 | import java.util.*; |
| 4 | |
| 5 | public class Command { |
| 6 | List<String> tokens; |
| 7 | Set<Listener> listeners = new HashSet<Listener>(); |
| 8 | Response resp; |
| 9 | |
| 10 | public abstract class Listener { |
| 11 | public Listener() { |
| 12 | addlst(this); |
| 13 | } |
| 14 | |
| 15 | public abstract void done(Response resp) throws Exception; |
| 16 | public abstract void error(Exception cause); |
| 17 | } |
| 18 | |
| 19 | public Command(List<String> tokens) { |
| 20 | this.tokens = tokens; |
| 21 | } |
| 22 | |
| 23 | public Command(String... tokens) { |
| 24 | this(Arrays.asList(tokens)); |
| 25 | } |
| 26 | |
| 27 | private synchronized void addlst(Listener l) { |
| 28 | listeners.add(l); |
| 29 | } |
| 30 | |
| 31 | public synchronized void done(Response resp) throws Exception { |
| 32 | this.resp = resp; |
| 33 | for(Listener l : listeners) |
| 34 | l.done(resp); |
| 35 | } |
| 36 | |
| 37 | public synchronized void error(Exception cause) { |
| 38 | for(Listener l : listeners) |
| 39 | l.error(cause); |
| 40 | } |
| 41 | } |