How to convert dynamically created JSON object to XML in node.js?

Question

How to convert dynamically created JSON object to XML in node.js ?

I have to dynamically create JSON object based on available which contains nested list of objects.

var Obj = {
      root: {
        Door_Keeper: {
          ID: {
            '#list': [{
              Key: {
                Name: "Door_Keeper_ID",
                Value: DoorKeeper.dkId
              }
            }, {
              Key: {
                Key_Name: "ID",
                Key_Value: DoorKeeper.id.Id
              }
            }]
          },
          Name: doorKeeper.dkName,
          Description: doorKeeper.dkId,
          Settings: dkSettings,
          '#list':
          //Here I have list of objects which will be added dynamically

        }
      }
    };

I want to generate XML string from the above JSON object in node.js

What do you want this XML to look like? There is no direct correlation between JSON and XML. — loganfsmyth
– loganfsmyth, Commented Jun 22, 2015 at 23:35
Hi. I am using mongoDB to fetch the data. It gives me list of objects which needs to be converted in tags. — utsav kansara
– utsav kansara, Commented Jun 23, 2015 at 16:03
<root> <Door_Keeper> <ID> <Key> <Name>Door_Keeper_ID</Name> <Value>rahul</Value> </Key> <Key> <Key_Name>KL12</Key_Name> <Key_Value>DEV-KL12</Key_Value> </Key> </ID> <Name>ABC</Name> <Description>abc ltd</Description> <Settings> xyz </Settings> <shits> </shifts> </Door_Keeper> </root> My result should look like this. In this case for shifts I am getting list of objects which needs to be iterated and converted to XML. — utsav kansara
– utsav kansara, Commented Jun 23, 2015 at 16:12

user2879704 · Accepted Answer · 2015-06-23 00:17:57Z

1

Use the npm library, js2xml and it will be like,

var Js2Xml = require("js2xml").Js2Xml;
var obj = ...... //as given by you in the question
var js2xml = new Js2Xml("root", obj);
js2xml.toString();

answered Jun 23, 2015 at 0:17

user2879704

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2 Comments

utsav kansara Over a year ago

Hi. I got this but I am stuck at creating this var obj. It contains list of objects. How should I iterate that inside this obj. Once I am able to generate obj then I can pass it to library for conversion.

utsav kansara Over a year ago

For example in ID I have list of keys. I know that its gonna be 2 so I have defined it statically. What If I don't know how many keys will come from DB. How to define it in my var obj .

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