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# :markup: markdown
# An abstract superclass for all saver classes.
class HTTP::CookieJar::AbstractSaver
class << self
@@class_map = {}
# Gets an implementation class by the name, optionally trying to
# load "http/cookie_jar/*_saver" if not found. If loading fails,
# IndexError is raised.
def implementation(symbol)
@@class_map.fetch(symbol)
rescue IndexError
begin
require 'http/cookie_jar/%s_saver' % symbol
@@class_map.fetch(symbol)
rescue LoadError, IndexError
raise IndexError, 'cookie saver unavailable: %s' % symbol.inspect
end
end
def inherited(subclass) # :nodoc:
@@class_map[class_to_symbol(subclass)] = subclass
end
def class_to_symbol(klass) # :nodoc:
klass.name[/[^:]+?(?=Saver$|$)/].downcase.to_sym
end
end
# Defines options and their default values.
def default_options
# {}
end
private :default_options
# :call-seq:
# new(**options)
#
# Called by the constructor of each subclass using super().
def initialize(options = nil)
options ||= {}
@logger = options[:logger]
@session = options[:session]
# Initializes each instance variable of the same name as option
# keyword.
default_options.each_pair { |key, default|
instance_variable_set("@#{key}", options.fetch(key, default))
}
end
# Implements HTTP::CookieJar#save().
#
# This is an abstract method that each subclass must override.
def save(io, jar)
# self
end
# Implements HTTP::CookieJar#load().
#
# This is an abstract method that each subclass must override.
def load(io, jar)
# self
end
end
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