Class: BankExchangeApi::Config

Inherits:
Object
  • Object
show all
Defined in:
lib/bank_exchange_api/config.rb

Class Method Summary collapse

Class Method Details

.conf_accessor(*names) ⇒ Object

Defines both class & instance methods Works the same as cattr_accessor from ActiveSupport on a class level (globally) and an instance level (locally)



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# File 'lib/bank_exchange_api/config.rb', line 6

def self.conf_accessor(*names)
  names.each do |name|
    class_eval <<-METHODS, __FILE__, __LINE__ + 1
      def #{name}
        (defined?(@#{name}) && @#{name}) || self.class.#{name}
      end

      def #{name}!
        self.#{name} || self.class.#{name}!
      end

      def #{name}=(value)
        @#{name} = value
      end

      def self.#{name}
        @@#{name} if class_variable_defined?(:"@@#{name}")
      end

      def self.#{name}=(value)
        @@#{name} = value
      end

      def self.#{name}!
        self.#{name} || (raise ConfigurationError, "'#{name}' config param is required")
      end
    METHODS
  end
end