--- a/wsgraph/web.py	Mon Dec 10 17:46:07 2012 -0800
+++ b/wsgraph/web.py	Mon Dec 10 17:50:45 2012 -0800
@@ -40,21 +40,13 @@
 class Dispatcher(object):
 
     def __init__(self, graph,
-                 graph_formatters=None,
-                 node_formatters=None,
-                 edge_formatters=None,
+                 graph_formatters,
+                 node_formatters,
+                 edge_formatters,
                  require_auth=False):
         self.graph = graph
         self.require_auth = require_auth
 
-        # use JSON formatter by default
-        if graph_formatters is None:
-            graph_formatters = {None: JSONGraphFormatter}
-        if node_formatters is None:
-            node_formatters = {None: JSONFormatter}
-        if edge_formatters is None:
-            edge_formatters = {None: JSONFormatter}
-
         # view formatters
         self.formatters = {GRAPH: graph_formatters,
                            NODE: node_formatters,
@@ -166,10 +158,13 @@
     graph = MemoryCache()
 
     # example formatter(s)
-    # TODO
+    formatter = JSONformatter(content_type='text/plain')
+    _formatters = {}
+    _formatters = dict([('%s_formatters' % i, {None: getattr(formatter, i)})
+                        for i in 'graph', 'node', 'edge'])
 
     # WSGI app
-    app = Dispatcher(graph=graph)
+    app = Dispatcher(graph=graph, **_formatters)
     server = simple_server.make_server(host='0.0.0.0', port=options.port, app=app)
     print 'http://localhost:%s/' % options.port
     server.serve_forever()