view_handler.rb in deas-json-0.2.0

- old
+ new

@@ -2,10 +2,14 @@
 
 module Deas::Json
 
   module ViewHandler
 
+    DEF_STATUS  = nil
+    DEF_HEADERS = {}.freeze
+    DEF_BODY    = '{}'.freeze
+
     def self.included(klass)
       klass.class_eval do
         include Deas::ViewHandler
         include InstanceMethods
       end
@@ -21,10 +25,16 @@
       private
 
       # Some http clients will error when trying to parse an empty body when the
       # content type is 'json'.  This will default the body to a string that
       # can be parsed to an empty json object
-      def halt(status, headers = {}, body = '{}')
+      def halt(*args)
+        super(DEF_STATUS, DEF_HEADERS, DEF_BODY) if args.empty?
+        body, headers, status = [
+          !args.last.kind_of?(::Hash) && !args.last.kind_of?(::Integer) ? args.pop : DEF_BODY,
+          args.last.kind_of?(::Hash) ? args.pop : DEF_HEADERS,
+          args.first.kind_of?(::Integer) ? args.first : DEF_STATUS
+        ]
         super(status, headers, body)
       end
 
     end
 