diff --git a/src/as/com/threerings/crowd/client/OccupantAdapter.as b/src/as/com/threerings/crowd/client/OccupantAdapter.as
new file mode 100644
index 000000000..57fe3e16c
--- /dev/null
+++ b/src/as/com/threerings/crowd/client/OccupantAdapter.as
@@ -0,0 +1,65 @@
+//
+// $Id: LocationAdapter.as 4652 2007-04-07 00:25:28Z dhoover $
+//
+// Narya library - tools for developing networked games
+// Copyright (C) 2002-2007 Three Rings Design, Inc., All Rights Reserved
+// http://www.threerings.net/code/narya/
+//
+// This library is free software; you can redistribute it and/or modify it
+// under the terms of the GNU Lesser General Public License as published
+// by the Free Software Foundation; either version 2.1 of the License, or
+// (at your option) any later version.
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+// Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public
+// License along with this library; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+
+package com.threerings.crowd.client {
+
+import com.threerings.crowd.data.OccupantInfo;
+
+public class OccupantAdapter
+    implements OccupantObserver
+{
+    public function OccupantAdapter (
+        entered :Function = null, left :Function = null, updated :Function = null)
+    {
+        _entered = entered;
+        _left = left;
+        _updated = updated;
+    }
+
+    // from interface OccupantObserver
+    public function occupantEntered (info :OccupantInfo) :void
+    {
+        if (_entered) {
+            _entered(info);
+        }
+    }
+
+    // from interface OccupantObserver
+    public function occupantLeft (info :OccupantInfo) :void
+    {
+        if (_left) {
+            _left(info);
+        }
+    }
+
+    // from interface OccupantObserver
+    public function occupantUpdated (oldinfo :OccupantInfo, newinfo :OccupantInfo) :void
+    {
+        if (_updated) {
+            _updated(oldinfo, newinfo);
+        }
+    }
+
+    protected var _entered :Function;
+    protected var _left :Function;
+    protected var _updated :Function;
+}
+}