/**
  * Makes a list of non-SSLable servers.
  */
 function _setNonSSLableServers()
 {
     $nonSSLableServers = $this->_getConfiguration('nonSSLableServers');
     if (!is_array($nonSSLableServers)) {
         trigger_error('Failed to configure the configuration point [ nonSSLableServers ] at the plugin [ ' . __CLASS__ . ' ].', E_USER_WARNING);
         return;
     }
     foreach ($nonSSLableServers as $nonSSLableServer) {
         Piece_Unity_URL::addNonSSLableServer($nonSSLableServer);
     }
 }