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method

_normalize_legacy_filter

Importance_0
Ruby on Rails latest stable (v4.0.2) - 0 notes - Class: ActiveSupport::Callbacks::Callback
_normalize_legacy_filter(kind, filter) private

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# File activesupport/lib/active_support/callbacks.rb, line 291
      def _normalize_legacy_filter(kind, filter)
        if !filter.respond_to?(kind) && filter.respond_to?(:filter)
          message = "Filter object with #filter method is deprecated. Define method corresponding "                      "to filter type (#before, #after or #around)."
          ActiveSupport::Deprecation.warn message
          filter.singleton_class.class_eval             def #{kind}(context, &block) filter(context, &block) end, __FILE__, __LINE__ + 1
        elsif filter.respond_to?(:before) && filter.respond_to?(:after) && kind == :around && !filter.respond_to?(:around)
          message = "Filter object with #before and #after methods is deprecated. Define #around method instead."
          ActiveSupport::Deprecation.warn message
          def filter.around(context)
            should_continue = before(context)
            yield if should_continue
            after(context)
          end
        end
      end
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