action_options_for

# File actionpack/lib/action_dispatch/routing/deprecated_mapper.rb, line 509
        def action_options_for(action, resource, method = nil, resource_options = {})
          default_options = { :action => action.to_s }
          require_id = !resource.kind_of?(SingletonResource)
          force_id = resource_options[:force_id] && !resource.kind_of?(SingletonResource)

          case default_options[:action]
            when "index", "new"; default_options.merge(add_conditions_for(resource.conditions, method || :get)).merge(resource.requirements)
            when "create";       default_options.merge(add_conditions_for(resource.conditions, method || :post)).merge(resource.requirements)
            when "show", "edit"; default_options.merge(add_conditions_for(resource.conditions, method || :get)).merge(resource.requirements(require_id))
            when "update";       default_options.merge(add_conditions_for(resource.conditions, method || :put)).merge(resource.requirements(require_id))
            when "destroy";      default_options.merge(add_conditions_for(resource.conditions, method || :delete)).merge(resource.requirements(require_id))
            else                 default_options.merge(add_conditions_for(resource.conditions, method)).merge(resource.requirements(force_id))
          end
        end