Java: Added ecmd to the connection manager.

[doldaconnect.git] / lib / java / dolda / dolcon / protocol / Command.java

diff --git a/lib/java/dolda/dolcon/protocol/Command.java b/lib/java/dolda/dolcon/protocol/Command.java
index 98f8881..57db964 100644 (file)
--- a/lib/java/dolda/dolcon/protocol/Command.java
+++ b/lib/java/dolda/dolcon/protocol/Command.java
@@ -7,9 +7,13 @@ public class Command {
     Set<Listener> listeners = new HashSet<Listener>();
     Response resp;
     
-    public interface Listener {
-       public void done(Response resp) throws Exception;
-       public void error(Exception cause);
+    public abstract class Listener {
+       public Listener() {
+           addlst(this);
+       }
+       
+       public abstract void done(Response resp) throws Exception;
+       public abstract void error(Exception cause);
     }
 
     public Command(List<String> tokens) {
@@ -20,17 +24,17 @@ public class Command {
        this(Arrays.asList(tokens));
     }
     
-    public void addListener(Listener l) {
+    private synchronized void addlst(Listener l) {
        listeners.add(l);
     }
     
-    public void done(Response resp) throws Exception {
+    public synchronized void done(Response resp) throws Exception {
        this.resp = resp;
        for(Listener l : listeners)
            l.done(resp);
     }
     
-    public void error(Exception cause) {
+    public synchronized void error(Exception cause) {
        for(Listener l : listeners)
            l.error(cause);
     }