Most simple way to pull JSON URL in Java?

Question

What would be the most basic way to have Java simply print out data from a JSON URL? I just want to be able to call a simple print statement on it if possible.

Here is a link to the API I am trying to pull data from: Github - PHP-MPOS API Reference

Thanks!

Java can retrieve contents from a url. For json, use Jackson, gson or flexjson — Leo, Feb 15 '14 at 21:36

score 2 · Answer 1 · edited May 23 '17 at 12:29

2

I think Netflix's feign is one of the simplest java http clients out there: https://github.com/Netflix/feign

If you don't want to use such libs and just want to build something which works, check this out: HTTP Json requests in Java?

edited May 23 '17 at 12:29

Community

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answered Feb 15 '14 at 21:00

zengr

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score 0 · Answer 2 · answered Sep 28 '15 at 05:36

Here is simple example where I fetch json from url and print out:

public static void main(String[] args) throws MalformedURLException, IOException {
    String sURL = "your_url_goes_here";
    URL url = new URL(sURL);
    HttpURLConnection request = (HttpURLConnection) url.openConnection();
    request.connect();

    // Convert to a JSON object to print data
    JsonParser jp = new JsonParser(); //from gson
    //Convert the input stream to a json element
    JsonElement root = jp.parse(new InputStreamReader((InputStream) request.getContent())); 
    JsonObject rootobj = root.getAsJsonObject(); //May be an array, may be an object. 

    System.out.println(rootobj.toString()); // json is printed
}

Most simple way to pull JSON URL in Java?

2 Answers2