How to parse JSON results from Unirest call
android, java, json, mashape, unirest
Solution
Was trying to figure this out today for myself. The source code is probably the only documentation you're going to get. Here's the tl;dr
// the request from your question
HttpResponse<JsonNode> request = Unirest.get(URL)
.header("X-Mashape-Authorization", MASHAPE_AUTH)
.asJson();
// retrieve the parsed JSONObject from the response
JSONObject myObj = request.getBody().getObject();
// extract fields from the object
String msg = myObj.getString("error_message");
JSONArray results = myObj.getJSONArray();
Here's some more explanation of the spelunking I did:
From the HttpResponse class we can see that `getBody()` is going to return the instance variable `body`, which gets assigned on line 92 as:
this.body = (T) new JsonNode(jsonString)
So then we need to look at the JsonNode class. The constructor takes a string representing the JSON to be parsed and attempts to create either a `JSONObject` or a `JSONArray`. Those objects come from `org.json` which is well documented, thankfully.
Problem
I'm using the Unirest library to retrieve JSON from a Mashape API. I have the call working using the following code: ``` HttpResponse<JsonNode> request = Unirest.get(URL) .header("X-Mashape-Authorization", MASHAPE_AUTH) .asJson(); ``` This returns my JSON in the form of `HttpResponse<JsonNode>`, which I am unfamiliar with. From reading the limited documentation, It seems that I have to call `getBody()` on the response object in order to get a JsonNode object back. I still have no idea what to do with the JsonNode object however. What is the best way to begin to parse this data? Edit: In case it helps with giving examples, the JSON I want to parse looks like this: ``` { "success": "1", "error_number": "", "error_message": "", "results": [ { "name": "name1", "formatedName": "Name 1" }, { "name": "testtesttest", "formatedName": "Test Test Test" }, { "name": "nametest2", "formatedName": "Name Test 2" }, { "name": "nametest3", "formatedName": "Name Test 3" } ] } ```