Generate XML and send to Mid Server

send_to_mid.js

var doc = new XMLDocument2();
var importNode = doc.createElement('Import');
createPers(doc, importNode, '12345', 'update', 'Disabled', [{ id: '1', operation: 'delete' }, { id: '2', operation: 'delete' }, { id: '2', operation: 'delete' }]);
createPers(doc, importNode, '23456', 'update', 'Disabled',  [{ id: '1', operation: 'delete' }, { id: '2', operation: 'delete' }, { id: '2', operation: 'delete' }]);
createPers(doc, importNode, '34567', 'update', 'Disabled',  [{ id: '1', operation: 'delete' }, { id: '2', operation: 'delete' }, { id: '2', operation: 'delete' }]);
sendToMid('helloWorld.xml', doc.toString());

function sendToMid(fileName, fileContent) {
  var saveScript = '(function () {'
    + '  try {'
    + '    var fileName = probe.getParameter("file_name");'
    + '    var file = new Packages.java.io.File(fileName);'
    + '    if (!file.canWrite()) {'
    + '      return "Cannot write " + fileName;'
    + '    }'
    + '    var os = new Packages.java.io.FileOutputStream(file);'
    + '    try {'
    + '      var buffer = new Packages.java.lang.String(probe.getParameter("file_content") || "").getBytes();'
    + '      os.write(buffer);'
    + '    } catch (e) {'
    + '      return e.message;'
    + '    } finally {'
    + '      os.close();'
    + '    }'
    + '  } catch (e) { return e.message; }'
    + '})();';

  var params = { 'skip_sensor': true, 'file_name': fileName, 'file_content': fileContent, 'script': saveScript };
  var payload = new XMLDocument2();
  payload.createElement("parameters");
  for (var param in params) {
    var el = payload.createElement("parameter");
    el.setAttribute("name", param);
    el.setAttribute("value", params[param]);
  }		

  var eccGr = new GlideRecord("ecc_queue");
  eccGr.newRecord();	
  eccGr.topic = "JavascriptProbe";
  eccGr.queue = "output";
  eccGr.state = "ready";		
  eccGr.name = "SaveXMLOnMID";
  eccGr.source = "";
  eccGr.agent = "mid.server.Ubuntu";	
  eccGr.payload = payload.toString();
  return eccGr.insert();
}

function createPers(doc, root, id, operation, status, cards) {
  doc.setCurrentElement(root);

  var pers = doc.createElement('Pers');
  pers.setAttribute('id', id);
  pers.setAttribute('operation', operation);

  doc.setCurrentElement(pers);
  doc.createElementWithTextValue('Status', status);

  cards.forEach(function (card) {
    createCard(doc, pers, card.id, card.operation);
  });
}

function createCard(doc, pers, id, op) {
  doc.setCurrentElement(pers);

  var node = doc.createElement('Card');
  node.setAttribute('id', id);
  node.setAttribute('operation', op);
}