class SAML2::IdentityProvider

def attribute_profiles
  @attribute_profiles ||= load_string_array(xml, 'md:AttributeProfile')
end

def attributes
  @attributes ||= load_object_array(xml, 'saml:Attribute', Attribute)
end

def build(builder)
  builder['md'].IDPSSODescriptor do |idp_sso_descriptor|
    super(idp_sso_descriptor)
    idp_sso_descriptor['WantAuthnRequestsSigned'] = want_authn_requests_signed? unless want_authn_requests_signed?.nil?
    single_sign_on_services.each do |sso|
      sso.build(idp_sso_descriptor, 'SingleSignOnService')
    end
    attribute_profiles.each do |ap|
      idp_sso_descriptor['md'].AttributeProfile(ap)
    end
    attributes.each do |attr|
      attr.build(idp_sso_descriptor)
    end
  end
end

def from_xml(node)
  super
  remove_instance_variable(:@want_authn_requests_signed)
  @single_sign_on_services = nil
  @attribute_profiles = nil
  @attributes = nil
end

def initialize
  super
  @want_authn_requests_signed = nil
  @single_sign_on_services = []
  @attribute_profiles = []
  @attributes = []
end

def single_sign_on_services
  @single_sign_on_services ||= load_object_array(xml, 'md:SingleSignOnService', Endpoint)
end

def want_authn_requests_signed?
  unless instance_variable_defined?(:@want_authn_requests_signed)
    @want_authn_requests_signed = xml['WantAuthnRequestsSigned'] && xml['WantAuthnRequestsSigned'] == 'true'
  end
  @want_authn_requests_signed
end