# File lib/soap/generator.rb, line 68
  def encode_data(ns, obj, parent)
    if obj.is_a?(SOAPEnvelopeElement)
      encode_element(ns, obj, parent)
      return
    end
    if @reftarget && !obj.precedents.empty?
      add_reftarget(obj.elename.name, obj)
      ref = SOAPReference.new(obj)
      ref.elename = ref.elename.dup_name(obj.elename.name)
      obj.precedents.clear      # Avoid cyclic delay.
      obj.encodingstyle = parent.encodingstyle
      # SOAPReference is encoded here.
      obj = ref
    end
    encodingstyle = obj.encodingstyle
    # Children's encodingstyle is derived from its parent.
    encodingstyle ||= parent.encodingstyle if parent
    obj.encodingstyle = encodingstyle
    handler = find_handler(encodingstyle || @default_encodingstyle)
    unless handler
      raise FormatEncodeError.new("Unknown encodingStyle: #{ encodingstyle }.")
    end
    if !obj.elename.name
      raise FormatEncodeError.new("Element name not defined: #{ obj }.")
    end
    handler.encode_data(self, ns, obj, parent)
    handler.encode_data_end(self, ns, obj, parent)
  end