code: function processXML(name, uri, processor, resp, callback) {
    var parser = new xml2js.Parser();
  
    parser.parseString(resp, function (err, xml) {
      if (err) {
        GLOBAL.error(name, err);
        return;
      } else {
        processor.getAnnotations(name, uri, xml, function(err, annoRows) {
          callback(err, {name: name, uri: uri, annoRows: annoRows});
        });
      }
    });
  }
docs: process retrieved content as XML