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Android/for Class, Project

안드로이드 스튜디오 Android Studio httpURLConnection json reponse string to JSONObject

j0n9m1n1 2018. 11. 11. 21:11
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서버에서 json데이터는 잘 받아왔는데 그걸 그대로 JSONObject로 바꾸려니까 화를 냈다ㅠㅠ

org.json.JSONException: Value {~~~~~~~}  of type java.lang.String cannot be converted to JSONObject


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class GetReport extends AsyncTask<String, Void, String> {
 
    @Override protected void onPreExecute() {
        super.onPreExecute();
 
    }
 
    @Override
    protected String doInBackground(String... user_info) {
 
 
        String response = "";
        try {
            URL url = new URL("http://123.214.121.100/get_report");
            HttpURLConnection conn = (HttpURLConnection) url.openConnection();
 
            conn.setDoOutput(true); // 아웃풋 함
            conn.setDoInput(true); // 인풋 받음
            conn.setRequestMethod("POST"); // 요청 타입 POST
            conn.setRequestProperty("Accept", "application/text; charset=utf-8"); // 응답 타입 jSON
 
            Uri.Builder builder = new Uri.Builder()
                    .appendQueryParameter("lms_id", user_info[0])
                    .appendQueryParameter("lms_pw", user_info[1]);
//                    .appendQueryParameter("token", user_info[2]);
 
            String query = builder.build().getEncodedQuery();
            OutputStream os = conn.getOutputStream();
            BufferedWriter writer = new BufferedWriter(new OutputStreamWriter(os, "UTF-8"));
 
            writer.write(query);
            writer.flush();
            writer.close();
 
            if (conn.getResponseCode() == HttpURLConnection.HTTP_OK) {
                //reponse 200일때
                BufferedReader in = new BufferedReader(new InputStreamReader(conn.getInputStream(), "utf-8"));
                String inputLine;
 
                StringBuffer reply = new StringBuffer();
 
                while ((inputLine = in.readLine()) != null) {
 
                    reply.append(inputLine);
 
                }
 
                in.close();
                response = reply.toString();
                System.out.println("before: " + response);
                response = response.replaceAll("\\\\", "");
                response = response.replace("\"{", "{");
                response = response.replace("}\",", "},");
                response = response.replace("}\"", "}");
                System.out.println("after: " + response);
 
 
                try {
 
                    JSONObject jsonobject = new  JSONObject(response);
 
 
 
 
                    System.out.println("jsonObject" + jsonobject);
                } catch (JSONException e) {
                    e.printStackTrace();
                }
 
 
 
 
 
//                System.out.println("DATA response = " + response);
 
 
 
            } else {
                //response 404, 500등등등
            }
 
            conn.disconnect();
        } catch (MalformedURLException e) {
            // ...
        } catch (IOException e) {
            e.printStackTrace();
            // ...
        }
 
        return response;
    }
cs







source: https://stackoverflow.com/questions/14009352/org-json-jsonexception-expected-literal-value-at-character-550-of

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