A back support for legacy TemplateHandler#render API

1 files changed, 27 insertions, 2 deletions

diff --git a/actionpack/lib/action_view/template_handler.rb b/actionpack/lib/action_view/template_handler.rb
index 5efe9459b5..672da0ed2b 100644
--- a/actionpack/lib/action_view/template_handler.rb
+++ b/actionpack/lib/action_view/template_handler.rb
@@ -1,9 +1,34 @@
 # Legacy TemplateHandler stub
-
 module ActionView
+  module TemplateHandlers #:nodoc:
+    module Compilable
+      def self.included(base)
+        base.extend(ClassMethods)
+      end
+
+      module ClassMethods
+        def call(template)
+          new.compile(template)
+        end
+      end
+
+      def compile(template)
+         raise "Need to implement #{self.class.name}#compile(template)"
+       end
+    end
+  end
+
   class TemplateHandler
     def self.call(template)
-      new.compile(template)
+      "#{name}.new(self).render(template, local_assigns)"
+    end
+
+    def initialize(view = nil)
+      @view = view
+    end
+
+    def render(template, local_assigns)
+      raise "Need to implement #{self.class.name}#render(template, local_assigns)"
     end
   end
 end