Follow pubsub configuration when using virtual nodetree

src/mod_pubsub.erl

@@ -83,7 +83,8 @@
 -export([subscription_to_string/1, affiliation_to_string/1,
     string_to_subscription/1, string_to_affiliation/1,
     extended_error/2, extended_error/3, service_jid/1,
-    tree/1, tree/2, plugin/2, config/3, host/1, serverhost/1]).
+    tree/1, tree/2, plugin/2, plugins/1, config/3,
+    host/1, serverhost/1]).
 
 %% API and gen_server callbacks
 -export([start_link/2, start/2, stop/1, init/1,

src/nodetree_virtual.erl

@@ -65,9 +65,10 @@ get_node(Host, Node) ->
 
 get_node(Nidx) ->
     {Host, Node} = nodeid(Nidx),
-    Record = #pubsub_node{nodeid = Node, id = Nidx},
-    Module = jlib:binary_to_atom(<<"node_", (Record#pubsub_node.type)/binary>>),
-    Record#pubsub_node{owners = [{<<"">>, Host, <<"">>}],
+    [Type|_] = mod_pubsub:plugins(Host),
+    Module = mod_pubsub:plugin(Host, Type),
+    #pubsub_node{nodeid = Node, id = Nidx, type = Type,
+                 owners = [{<<"">>, Host, <<"">>}],
                  options = Module:options()}.
 
 get_nodes(Host, _From) ->