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Versions: 14
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Stored size: 1.14 KB
Contents
module Blather
class Stanza
##
# Base Presence stanza
class Presence < Stanza
VALID_TYPES = [:unavailable, :subscribe, :subscribed, :unsubscribe, :unsubscribed, :probe, :error]
register :presence
##
# Creates a class based on the presence type
# either a Status or Subscription object is created based
# on the type attribute.
# If neither is found it instantiates a Presence object
def self.import(node)
klass = case node['type']
when nil, 'unavailable' then Status
when /subscribe/ then Subscription
else self
end
klass.new.inherit(node)
end
##
# Ensure element_name is "presence" for all subclasses
def initialize
super :presence
end
VALID_TYPES.each do |valid_type|
define_method("#{valid_type}?") { self.type == valid_type }
end
##
# Ensures type is one of :unavailable, :subscribe, :subscribed, :unsubscribe, :unsubscribed, :probe or :error
def type=(type)
raise ArgumentError, "Invalid Type (#{type}), use: #{VALID_TYPES*' '}" if type && !VALID_TYPES.include?(type.to_sym)
super
end
end
end #Stanza
end
Version data entries
14 entries across 14 versions & 2 rubygems