parse to JSON in node.js

Question

I have this Java code

DefaultHttpClient httpclient = new DefaultHttpClient();         
        HttpPost httpPostRequest = new HttpPost(URL);           
        StringEntity se;            
        se = new StringEntity(jsonObjSend.toString());          
        // Set HTTP parameters          
        httpPostRequest.setEntity(se);          
        httpPostRequest.setHeader("Accept", "application/json");            
        httpPostRequest.setHeader("Content-type", "application/json");          
        //httpPostRequest.setHeader("Accept-Encoding", "gzip"); 
        // only set this parameter if you would like to use gzip compression            
        long t = System.currentTimeMillis();            
        HttpResponse response = (HttpResponse) httpclient.execute(httpPostRequest);

and this in node.js

var http = require('http');
// Configure our HTTP server to respond with Hello World to all requests.
var server = http.createServer(function (request, response) {
console.log("Entering");


if ( request.method === 'POST' ) {

     // the body of the POST is JSON payload.
     request.pipe(process.stdout);   
     }

});

// Listen on port 8000, IP defaults to 127.0.0.1
server.listen(8000);

// Put a friendly message on the terminal
console.log("Server running at http://127.0.0.1:8000/");

Im using the pipe to write everything in the console to be sure that i receive the data. What i actually want is to parse the data back to JSON and then save it in a array. How do i get the data from the request? Does anyone have an code example?

Thanks

Vadim Baryshev · Accepted Answer · 2012-08-08 10:08:44Z

1

var http = require('http');
// Configure our HTTP server to respond with Hello World to all requests.
var server = http.createServer(function (request, response) {
console.log("Entering");


if ( request.method === 'POST' ) {

        // the body of the POST is JSON payload.
        request.pipe(process.stdout);   

        var data = '';
        request.on('data', function(chunk) {
            data += chunk;
        });

        request.on('end', function() {
            try {
                data = JSON.parse(data);
            } catch (e) {
                console.log(e);
            }
        });
    }

});

// Listen on port 8000, IP defaults to 127.0.0.1
server.listen(8000);

// Put a friendly message on the terminal
console.log("Server running at http://127.0.0.1:8000/");

answered Aug 8, 2012 at 10:08

Vadim Baryshev

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2 Comments

user1581164 Over a year ago

Thanks a lot.. I have a last question to the line "request.on('data', function(chunk)...." What does the parameter 'data' mean... Is it defined somewhere?

Vadim Baryshev Over a year ago

'data' and 'end' are event codes. check this docs nodejs.org/api/http.html#http_event_data

AmirtharajCVijay · Accepted Answer · 2013-08-29 07:56:48Z

0

try to use the following concept in your code

        response.on('data', function (chunk)
        {
                var data = chunk.toString();
                var data_val = JSON.parse(data)
          });

answered Aug 29, 2013 at 7:56

AmirtharajCVijay

1,10811 silver badges12 bronze badges

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