1 files changed, 25 insertions, 0 deletions
diff --git a/activesupport/lib/active_support/json/encoders.rb b/activesupport/lib/active_support/json/encoders.rb
new file mode 100644
index 0000000000..c3e3619f59
--- /dev/null
+++ b/activesupport/lib/active_support/json/encoders.rb
@@ -0,0 +1,25 @@
+module ActiveSupport
+  module JSON #:nodoc:
+    module Encoders
+      mattr_accessor :encoders
+      @@encoders = {}
+
+      class << self        
+        def define_encoder(klass, &block)
+          encoders[klass] = block
+        end
+        
+        def [](klass)
+          klass.ancestors.each do |k|
+            encoder = encoders[k]
+            return encoder if encoder
+          end
+        end
+      end
+    end
+  end
+end
+
+Dir[File.dirname(__FILE__) + '/encoders/*.rb'].each do |file|
+  require file[0..-4]
+end