1 files changed, 26 insertions, 0 deletions
diff --git a/actionview/lib/action_view/template/handlers/builder.rb b/actionview/lib/action_view/template/handlers/builder.rb
new file mode 100644
index 0000000000..d90b0c6378
--- /dev/null
+++ b/actionview/lib/action_view/template/handlers/builder.rb
@@ -0,0 +1,26 @@
+module ActionView
+  module Template::Handlers
+    class Builder
+      # Default format used by Builder.
+      class_attribute :default_format
+      self.default_format = :xml
+
+      def call(template)
+        require_engine
+        "xml = ::Builder::XmlMarkup.new(:indent => 2);" +
+          "self.output_buffer = xml.target!;" +
+          template.source +
+          ";xml.target!;"
+      end
+
+      protected
+
+      def require_engine
+        @required ||= begin
+          require "builder"
+          true
+        end
+      end
+    end
+  end
+end