BureauClientFactory class to make client resolution more intuitive, plus a registry method to install the factory

git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@5221 542714f4-19e9-0310-aa3c-eee0fc999fb1

src/java/com/threerings/bureau/server/BureauClientFactory.java

@@ -0,0 +1,69 @@
+//
+// $Id$
+//
+// 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.bureau.server;
+
+import com.threerings.util.Name;
+
+import com.threerings.presents.net.AuthRequest;
+import com.threerings.presents.server.ClientFactory;
+import com.threerings.presents.server.ClientResolver;
+import com.threerings.presents.server.PresentsClient;
+
+import com.threerings.bureau.data.BureauCredentials;
+
+/**
+ * Handles resolution of bureaus and passes non-bureau resolution requests through to a normal
+ * factory.
+ */
+public class BureauClientFactory implements ClientFactory
+{
+    public BureauClientFactory (ClientFactory delegate)
+    {
+        _delegate = delegate;
+    }
+
+    // from interface ClientFactory
+    public Class<? extends PresentsClient> getClientClass (AuthRequest areq)
+    {
+        // Just give bureaus a vanilla PresentsClient client for now.
+        // TODO: will bureaus need a more tailored client?
+        if (areq.getCredentials() instanceof BureauCredentials) {
+            return PresentsClient.class;
+        } else {
+            return _delegate.getClientClass(areq);
+        }
+    }
+
+    // from interface ClientFactory
+    public Class<? extends ClientResolver> getClientResolverClass (Name username)
+    {
+        // Just give bureaus a vanilla ClientResolver for now.
+        // TODO: will bureaus need specific resolution?
+        if (BureauCredentials.isBureau(username)) {
+            return ClientResolver.class;
+        } else {
+            return _delegate.getClientResolverClass(username);
+        }
+    }
+
+    protected ClientFactory _delegate;
+}

src/java/com/threerings/bureau/server/BureauRegistry.java

@@ -39,6 +39,7 @@ import com.threerings.presents.data.ClientObject;
 import com.threerings.presents.dobj.ObjectDeathListener;
 import com.threerings.presents.dobj.ObjectDestroyedEvent;
 import com.threerings.presents.dobj.RootDObjectManager;
+import com.threerings.presents.server.ClientManager;
 import com.threerings.presents.server.InvocationManager;
 
 import com.threerings.bureau.data.AgentObject;
@@ -117,6 +118,16 @@ public class BureauRegistry
     {
     }
 
+    /**
+     * Install the bureau client factory in the manager, delegating to the current factory
+     * for non-bureau connections.
+     */
+    public void addClientFactory (ClientManager clmgr)
+    {
+        clmgr.setClientFactory(
+            new BureauClientFactory(clmgr.getClientFactory()));
+    }
+
     /**
      * Check the credentials to make sure this is one of our bureaus.
      * @return null if all's well, otherwise a string describing the authentication failure