How to convert JSON array into JSON object

Question

I have the following JSON data:

[
    {
        "sendingReqDataSet": {
            "totalCount": 1,
            "limit": 50,
            "offset": 0,
            "status_code": true,
            "contacts": [
                {
                    "id": 1,
                    "request_to": "Shehla_kiran",
                    "request_by": "ayesha",
                    "product_name": "Dead Space",
                    "schedule_date_time": "2016-09-21 00:00:00",
                    "place": "lhr",
                    "request_type": "Swap",
                    "status": "Pending"
                },
                {
                    "id": 2,
                    "request_to": "muqadas",
                    "request_by": "muqadas",
                    "product_name": "battleField",
                    "schedule_date_time": "2016-09-22 00:00:00",
                    "place": "lhr",
                    "request_type": "Swap",
                    "status": "Pending"
                },
                {
                    "id": 3,
                    "request_to": "Shehla_kiran",
                    "request_by": "Shehla_kiran",
                    "product_name": "Mario",
                    "schedule_date_time": "2016-09-12 00:00:00",
                    "place": "Lahore",
                    "request_type": "Swap",
                    "status": "Pending"
                },
                {
                    "id": 4,
                    "request_to": "Shehla_kiran",
                    "request_by": "Mari",
                    "product_name": "Mario",
                    "schedule_date_time": "0000-00-00 00:00:00",
                    "place": "",
                    "request_type": "Swap",
                    "status": "Pending"
                },
                {
                    "id": 5,
                    "request_to": "Shehla_kiran",
                    "request_by": "Faisal Ali",
                    "product_name": "Dead Space",
                    "schedule_date_time": "2016-10-28 00:00:00",
                    "place": "lahore",
                    "request_type": "Swap",
                    "status": "Pending"
                },
                {
                    "id": 6,
                    "request_to": "muqadas",
                    "request_by": "Faisal Ali",
                    "product_name": "battleField",
                    "schedule_date_time": "2016-10-25 00:00:00",
                    "place": "Canal",
                    "request_type": "Swap",
                    "status": "Pending"
                },
                {
                    "id": 7,
                    "request_to": "Shehla_kiran",
                    "request_by": "Shehla_kiran",
                    "product_name": "Dead Space",
                    "schedule_date_time": "2016-10-17 00:00:00",
                    "place": "Lahore",
                    "request_type": "Swap",
                    "status": "Pending"
                }
            ]
        }
    }
]

I am trying to show it in a list view, but when I try to parse it and show in a list view, it gives me the following error:

W/System.err: org.json.JSONException: 
Value [{"sendingReqDataSet":{"totalCount":1,"limit":50,"offset":0,"status_code":true,"contacts":[{"id":1,"request_to":"Shehla_kiran","request_by":"ayesha","product_name":"Dead Space","schedule_date_time":"2016-09-21 00:00:00","place":"lhr","request_type":"Swap","status":"Pending"},{"id":2,"request_to":"muqadas","request_by":"muqadas","product_name":"battleField","schedule_date_time":"2016-09-22 00:00:00","place":"lhr","request_type":"Swap","status":"Pending"},{"id":3,"request_to":"Shehla_kiran","request_by":"Shehla_kiran","product_name":"Mario","schedule_date_time":"2016-09-12 00:00:00","place":"Lahore","request_type":"Swap","status":"Pending"},{"id":4,"request_to":"Shehla_kiran","request_by":"Mari","product_name":"Mario","schedule_date_time":"0000-00-00 00:00:00","place":"","request_type":"Swap","status":"Pending"},{"id":5,"request_to":"Shehla_kiran","request_by":"Faisal Ali","product_name":"Dead Space","schedule_date_time":"2016-10-28 00:00:00","place":"lahore","request_type":"Swap","status":"Pending"},{"id":6,"request_to":"muqadas","request_by":"Faisal Ali","product_name":"battleField","schedule_date_time":"2016-10-25 00:00:00","place":"Canal","request_type":"Swap","status":"Pending"},{"id":7,"request_to":"Shehla_kiran","request_by":"Shehla_kiran","product_name":"Dead Space","schedule_date_time":"2016-10-17 00:00:00","place":"Lahore","request_type":"Swap","status":"Pending"}]}}] 
of type org.json.JSONArray cannot be converted to JSONObject

Currently, I am doing this:

try {
    // jsonObject = new JSONObject();
    JSONObject jsonObject = new JSONObject(json_string);
    // JSONArray query = jsonParse.getJSONArray("courses");

    jsonArray = jsonObject.getJSONArray("contacts");

    int count = 0;
    String name, email, moblile;

    while (count < jsonArray.length()) {
        JSONObject JO = jsonArray.getJSONObject(count);
        
        name    = JO.getString("request_to");
        email   = JO.getString("request_by");
        moblile = JO.getString("product_name");
        
        Contacts contacts = new Contacts(name, email, moblile);
        contactAdapter.add(contacts);
        count++;
    }
} catch (JSONException e) {
    e.printStackTrace();
}

just replace the initial and final square bracket if possible. Then it will be a json object — Pramod J George
– Pramod J George, Commented Oct 5, 2016 at 6:42

CarenRose · Accepted Answer · 2021-03-13 18:32:55Z

6

String data = /*load the json data*/
try {
    JSONArray jsonArray = new JSONArray(data);
    JSONObject object = jsonArray.getJSONObject(0);
    JSONObject sendingReqDataSetObject = object.getJSONObject("sendingReqDataSet");
    JSONArray arrayContacts = sendingReqDataSetObject.getJSONArray("contacts");
    
    for (int i = 0; i<arrayContacts.length(); i++) {
        JSONObject contactObject = arrayContacts.getJSONObject(i);
        System.out.println(contactObject.getString("status"));
    }
} catch (JSONException e) {
    e.printStackTrace();
}

edited Mar 13, 2021 at 18:32

CarenRose

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answered Oct 5, 2016 at 7:28

Rifat Ullah

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Comments

V-rund Puro-hit · Accepted Answer · 2016-10-05 06:42:47Z

2

You can get object by using following code :

jsonArray = jsonObject.getJSONArray("contacts");

for(int i=0; i<jsonArray.size(); i++) {
    JSONObject jobject = jsonArray.getJSONObject(i)
}

edited Oct 5, 2016 at 6:42

V-rund Puro-hit

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answered Oct 5, 2016 at 6:41

Krunal Pujara

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Comments

Andrej Hafner · Accepted Answer · 2016-10-05 06:42:05Z

0

Use Gson library (https://github.com/google/gson)

Library support converting into JSON or from JSON to object.

answered Oct 5, 2016 at 6:42

Andrej Hafner

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Comments

Abhinav · Accepted Answer · 2020-11-23 15:45:08Z

0

JSONArray array = new JSONArray(json_string);

JSONObject obj = array.getObject("sendingReqDataSet");

jsonArray = obj.getJSONArray("contacts");

edited Nov 23, 2020 at 15:45

Abhinav

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answered Oct 5, 2016 at 6:41

D.J

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2 Comments

brandonscript Over a year ago

While this code snippet may answer the question, it doesn't provide any context to explain how or why. Consider adding a sentence or two to explain your answer.

Shai Alon Over a year ago

I even think it doesn't answer the question - as it returns JSONArray from a JSONObject and the question is exactly the opposite.

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