Moved from Restler to Needle

I had two web services  one to download file and another one to upload files.
I started coding for uploading a file using restler module. which worked absolutely fine. then when I started coding for downloading file it was corrupting the binary stream file.

I started looking for different options, I had  two options 'request' and 'needle'.

I worked with 'request v2.73.0' module for 2 months. but after updating to v2.75.0. It just stopped working I was not even able to make regular POST request. 

After that, I had to look for another option than I started using Needle module.
which solved my both purpose of uploading and downloading files.  

File Download using Needle

var needle = require('needle');
var dataToSend = {
    data1: "data1",
    data2: "data2"};
needle
    .post('webServiceURL', dataToSend)
    .on('end', function (response) {
        console.log('success log');
        res.download('public/uploads/report.pdf');
    }).on('error', function (response) {     console.log('Error downloading report file');    }).pipe(fs.createWriteStream('public/uploads/report.pdf'));

File Upload using Needle

var needle = require('needle');
var dataToSend = {
    data1: "data1",
    data2: "data2",    
    file2: {file: FILE_PATH,content_type : FILE_TYPE}
};
needle
    .post('webServiceCall', dataToSend, { multipart: true }, function(err, resp, body){
        console.log('error:   '+err);
        console.log('response:   '+resp);
        console.log('body:   '+body);
        res.redirect('/fileUploadPage');
    });

// web service response in Java should be set in following manner

ResponseBuilder response = Response.ok((Object) fileObject);
response.header("Content-Type", MediaType.APPLICATION_OCTET_STREAM);
response.header("Content-Disposition", "attachment;  filename=\"file_name.pdf\"");
return response.build();