lib/arli/lock/formats/base.rb in arli-0.8.3 vs lib/arli/lock/formats/base.rb in arli-0.9.0

@@ -1,10 +1,14 @@
+require 'arli/helpers/inherited'
 
 module Arli
   module Lock
     module Formats
       class Base
+        include Arli::Helpers::Inherited
+        attr_assignable :extension
+
         attr_accessor :lock_file
 
         def initialize(lock_file)
           self.lock_file = lock_file
         end
@@ -17,9 +21,13 @@
           raise Arli::Errors::AbstractMethodCalled, "#format on Base"
         end
 
         # Optional footer
         def footer
+        end
+
+        def extension
+          self.class.extension
         end
       end
     end
   end
 end