def local?
      return true unless ROUTABLE_STANZAS.include?(@node.name)
      to = JID.new(@node[TO])
      to.empty? || local_jid?(to)
    end
def local?
      return true unless ROUTABLE_STANZAS.include?(@node.name)
      to = JID.new(@node[TO])
      to.empty? || local_jid?(to)
    end
Returns true if this stanza should be processed locally. Returns false
 if it's destined for a remote domain or external component.