Convert Narya (most of the way) over to a Maven Ant task based build. The

ActionScript bits remain belligerent, but the Java stuff is mostly shipshape.


git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@6222 542714f4-19e9-0310-aa3c-eee0fc999fb1

src/main/java/com/threerings/presents/net/Credentials.java

@@ -0,0 +1,44 @@
+//
+// $Id$
+//
+// Narya library - tools for developing networked games
+// Copyright (C) 2002-2010 Three Rings Design, Inc., All Rights Reserved
+// http://code.google.com/p/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.net;
+
+import com.threerings.io.Streamable;
+
+/**
+ * Credentials are supplied by the client implementation and sent along to the server during the
+ * authentication process. To provide support for a variety of authentication methods, the
+ * credentials class is meant to be subclassed for the particular method (ie. password, auth
+ * digest, etc.)  in use in a given system.
+ *
+ * <p> All derived classes should provide a no argument constructor so that they can be
+ * instantiated prior to reconstruction from a data input stream.
+ */
+public abstract class Credentials implements Streamable
+{
+    /**
+     * Returns a string to use in a hash on the datagram contents to authenticate client datagrams.
+     */
+    public String getDatagramSecret ()
+    {
+        return "";
+    }
+}