Class: ActionController::MiddlewareStack::Middleware

Inherits:
Object
  • Object
show all
Defined in:
lib/action_controller/middleware_stack.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(klass, *args, &block) ⇒ Middleware

Returns a new instance of Middleware.



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# File 'lib/action_controller/middleware_stack.rb', line 14

def initialize(klass, *args, &block)
  @klass = klass

  options = args.extract_options!
  if options.has_key?(:if)
    @conditional = options.delete(:if)
  else
    @conditional = true
  end
  args << options unless options.empty?

  @args = args
  @block = block
end

Instance Attribute Details

#args ⇒ Object (readonly)

Returns the value of attribute args.



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# File 'lib/action_controller/middleware_stack.rb', line 12

def args
  @args
end

#block ⇒ Object (readonly)

Returns the value of attribute block.



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# File 'lib/action_controller/middleware_stack.rb', line 12

def block
  @block
end

Class Method Details

.new(klass, *args, &block) ⇒ Object 



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# File 'lib/action_controller/middleware_stack.rb', line 4

def self.new(klass, *args, &block)
  if klass.is_a?(self)
    klass
  else
    super
  end
end

Instance Method Details

#==(middleware) ⇒ Object 



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# File 'lib/action_controller/middleware_stack.rb', line 51

def ==(middleware)
  case middleware
  when Middleware
    klass == middleware.klass
  when Class
    klass == middleware
  else
    klass == middleware.to_s.constantize
  end
end

#active? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/action_controller/middleware_stack.rb', line 41

def active?
  return false unless klass

  if @conditional.respond_to?(:call)
    @conditional.call
  else
    @conditional
  end
end

#build(app) ⇒ Object 



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# File 'lib/action_controller/middleware_stack.rb', line 68

def build(app)
  if block
    klass.new(app, *build_args, &block)
  else
    klass.new(app, *build_args)
  end
end

#inspect ⇒ Object 



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# File 'lib/action_controller/middleware_stack.rb', line 62

def inspect
  str = klass.to_s
  args.each { |arg| str += ", #{arg.inspect}" }
  str
end

#klass ⇒ Object 



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# File 'lib/action_controller/middleware_stack.rb', line 29

def klass
  if @klass.respond_to?(:call)
    @klass.call
  elsif @klass.is_a?(Class)
    @klass
  else
    @klass.to_s.constantize
  end
rescue NameError
  @klass
end