An adapter to convert from an InvocationService.ResultListener to a samskivert

ResultListener. git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@4757 542714f4-19e9-0310-aa3c-eee0fc999fb1
2007-07-12 20:36:07 +00:00
parent 102dd71f8d
commit 447ddb01f8
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+//
+// $Id$
+//
+// 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.presents.util;
+
+import com.samskivert.util.ResultListener;
+
+import com.threerings.presents.client.InvocationService;
+import com.threerings.presents.server.InvocationException;
+
+/**
+ * Adapts the response from a {@link InvocationService.ResultListener} to a {@link ResultListener}.
+ * In the event of failure, the failure string is wrapped in an {@link InvocationException}.
+ */
+public class InvocationAdapter implements InvocationService.ResultListener
+{
+    public InvocationAdapter (ResultListener<Object> target)
+    {
+        _target = target;
+    }
+
+    // from InvocationService.ResultListener
+    public void requestProcessed (Object result)
+    {
+        _target.requestCompleted(result);
+    }
+
+    // from InvocationService.ResultListener
+    public void requestFailed (String cause)
+    {
+        _target.requestFailed(new InvocationException(cause));
+    }
+
+    protected ResultListener<Object> _target;
+}