--- a/contenttransformer/transformers.py	Sun Feb 07 19:03:15 2010 -0500
+++ b/contenttransformer/transformers.py	Sun Feb 07 19:48:09 2010 -0500
@@ -22,7 +22,14 @@
             return Response(content_type=self.content_type, body=self.content)
         content_type, body = self.transform(request)
         return Response(content_type=content_type, body=body)
-        
+
+class ContentTypeChanger(Transformer):
+    def __init__(self, content, from_type, to_type):
+        self.to_type = to_type
+        Transformer.__init__(self, content, from_type)
+
+    def transform(self, request):
+        return (self.to_type, self.content)
 
 class Graphviz(Transformer):
     def transform(self, request):