Action invoke systeem verbeterd en nette exceptions geintroduceerd.

java/src/pm/action/Action.java

@@ -2,9 +2,12 @@ package pm.action;
 
 import java.lang.reflect.Method;
 
+import pm.exception.ActionNotImplementedException;
+
 public enum Action {
     START ("start"),
-    TEST ("test");
+    TEST ("test"),
+    EXIT ("exit");
 
     protected String action;
 
@@ -12,7 +15,11 @@ public enum Action {
         this.action = action;
     }
 
-    public Method getMethod(Object object) throws Exception {
-        return object.getClass().getMethod(action);
+    public Method getMethod(Object object) throws ActionNotImplementedException {
+        try {
+            return object.getClass().getMethod(action);
+        } catch (SecurityException e) {
+        } catch (NoSuchMethodException e) {}
+        throw new ActionNotImplementedException();
     }
 }