--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/uploader/dispatcher.py	Sat Nov 21 15:29:03 2009 -0500
@@ -0,0 +1,30 @@
+"""
+request dispatcher
+"""
+
+import os
+from handlers import Get, Post
+from webob import Request, exc
+
+class Dispatcher(object):
+
+    ### class level variables
+    defaults = { 'directory': None}
+
+    def __init__(self, **kw):
+        for key in self.defaults:
+            setattr(self, key, kw.get(key, self.defaults[key]))
+        self.handlers = [ Get, Post ]
+        assert os.path.exists(self.directory)
+
+    ### methods dealing with HTTP
+    def __call__(self, environ, start_response):
+        request = Request(environ)
+        for h in self.handlers:
+            if h.match(request):
+                handler = h(self, request)
+                break
+        else:
+            handler = exc.HTTPNotFound
+        res = handler()
+        return res(environ, start_response)