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Contents
module RDF; module Util
##
# Utilities for UUID handling.
#
# @see http://en.wikipedia.org/wiki/Universally_unique_identifier
module UUID
##
# Generates a UUID string.
#
# This will make use of either the [UUID][] gem or the [UUIDTools][]
# gem, whichever of the two happens to be available.
#
# [UUID]: https://rubygems.org/gems/uuid
# [UUIDTools]: https://rubygems.org/gems/uuidtools
#
# @param [:default, :compact, :urn] format (:default)
# @return [String] a UUID string
# @raise [LoadError] if no UUID library is available
# @see https://rubygems.org/gems/uuid
# @see https://rubygems.org/gems/uuidtools
def self.generate(format: :default)
begin
require 'uuid'
::UUID.generate(format)
rescue LoadError => e
begin
require 'uuidtools'
::UUIDTools::UUID.random_create.hexdigest
rescue LoadError => e
raise LoadError.new("no such file to load -- uuid or uuidtools")
end
end
end
end # UUID
end; end # RDF::Util
Version data entries
27 entries across 27 versions & 1 rubygems