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module OEmbed
module Formatter
# Handles parsing JSON values using the best available backend.
module JSON
# A Array of all available backends, listed in order of preference.
DECODERS = %w(ActiveSupportJSON JSONGem Yaml)
class << self
include ::OEmbed::Formatter::Base
# Returns the current JSON backend.
def backend
set_default_backend unless defined?(@backend)
raise OEmbed::FormatNotSupported, :json unless defined?(@backend)
@backend
end
def set_default_backend
DECODERS.find do |name|
begin
self.backend = name
true
rescue LoadError
# Try next decoder.
false
end
end
end
private
def backend_path
'json/backends'
end
def test_value
<<-JSON
{"version":"1.0", "string":"test", "int":42,"html":"<i>Cool's</i>\\n the \\"word\\"\\u0021"}
JSON
end
end # self
end # JSON
end
end
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