--- /dev/null
+module ActiveResource
+ module Formats
+ # Lookup the format class from a mime type reference symbol. Example:
+ #
+ # ActiveResource::Formats[:xml] # => ActiveResource::Formats::XmlFormat
+ # ActiveResource::Formats[:json] # => ActiveResource::Formats::JsonFormat
+ def self.[](mime_type_reference)
+ ActiveResource::Formats.const_get(mime_type_reference.to_s.camelize + "Format")
+ end
+ end
+end
+
+require 'active_resource/formats/xml_format'
+require 'active_resource/formats/json_format'
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