Namespace
Methods
#
C
F
Constants
SET = Mimes.new
 
EXTENSION_LOOKUP = {}
 
LOOKUP = {}
 
ALL = AllType.instance
 

ALL isn't a real MIME type, so we don't register it for lookup with the other concrete types. It's a wildcard match that we use for `respond_to` negotiation internals.
Class Public methods
[](type)

Source: show | on GitHub 

# File actionpack/lib/action_dispatch/http/mime_type.rb, line 38
def [](type)
  return type if type.is_a?(Type)
  Type.lookup_by_extension(type)
end
const_defined?(sym, inherit = true)

Source: show | on GitHub 

# File actionpack/lib/action_dispatch/http/mime_type.rb, line 61
    def const_defined?(sym, inherit = true)
      ext = sym.downcase
      if Mime[ext]
        ActiveSupport::Deprecation.warn("          Accessing mime types via constants is deprecated.
          Please change `Mime.const_defined?(#{sym})` to `Mime[:#{ext}]`.
".squish)
        true
      else
        super
      end
    end
const_missing(sym)

Source: show | on GitHub 

# File actionpack/lib/action_dispatch/http/mime_type.rb, line 48
    def const_missing(sym)
      ext = sym.downcase
      if Mime[ext]
        ActiveSupport::Deprecation.warn("          Accessing mime types via constants is deprecated.
          Please change `Mime::#{sym}` to `Mime[:#{ext}]`.
".squish)
        Mime[ext]
      else
        super
      end
    end
fetch(type)

Source: show | on GitHub 

# File actionpack/lib/action_dispatch/http/mime_type.rb, line 43
def fetch(type)
  return type if type.is_a?(Type)
  EXTENSION_LOOKUP.fetch(type.to_s) { |k| yield k }
end