Example usage for android.util JsonReader JsonReader

Introduction

In this page you can find the example usage for android.util JsonReader JsonReader.

Prototype

public JsonReader(Reader in) 

Source Link

Document

Creates a new instance that reads a JSON-encoded stream from in .

Usage

From source file:org.liberty.android.fantastischmemo.downloader.quizlet.lib.java

public static String[] getAccessTokens(final String[] requests) throws Exception {
    final String TAG = "getAccesTokens";
    String code = requests[0];//from  ww  w .ja  v  a 2s.com
    String clientIdAndSecret = QUIZLET_CLIENT_ID + ":" + QUIZLET_CLIENT_SECRET;
    String encodedClientIdAndSecret = Base64.encodeToString(clientIdAndSecret.getBytes(), 0);
    URL url1 = new URL("https://api.quizlet.com/oauth/token");
    HttpsURLConnection conn = (HttpsURLConnection) url1.openConnection();
    conn.addRequestProperty("Content-Type", "application/x-www-form-urlencoded; charset=UTF-8");

    // Add the Basic Authorization item
    conn.addRequestProperty("Authorization", "Basic " + encodedClientIdAndSecret);

    conn.setRequestMethod("POST");
    conn.setDoInput(true);
    conn.setDoOutput(true);
    String payload = String.format("grant_type=%s&code=%s&redirect_uri=%s",
            URLEncoder.encode("authorization_code", "UTF-8"), URLEncoder.encode(code, "UTF-8"),
            URLEncoder.encode(Data.RedirectURI, "UTF-8"));
    OutputStreamWriter out = new OutputStreamWriter(conn.getOutputStream());
    out.write(payload);
    out.close();

    if (conn.getResponseCode() / 100 >= 3) {
        Log.e(TAG, "Http response code: " + conn.getResponseCode() + " response message: "
                + conn.getResponseMessage());
        JsonReader r = new JsonReader(new InputStreamReader(conn.getErrorStream(), "UTF-8"));
        String error = "";
        r.beginObject();
        while (r.hasNext()) {
            error += r.nextName() + r.nextString() + "\r\n";
        }
        r.endObject();
        r.close();
        Log.e(TAG, "Error response for: " + url1 + " is " + error);
        throw new IOException("Response code: " + conn.getResponseCode());
    }

    JsonReader s = new JsonReader(new InputStreamReader(conn.getInputStream(), "UTF-8"));
    try {
        String accessToken = null;
        String userId = null;
        s.beginObject();
        while (s.hasNext()) {
            String name = s.nextName();
            if (name.equals("access_token")) {
                accessToken = s.nextString();
            } else if (name.equals("user_id")) {
                userId = s.nextString();
            } else {
                s.skipValue();
            }
        }
        s.endObject();
        s.close();
        return new String[] { accessToken, userId };
    } catch (Exception e) {
        // Throw out JSON exception. it is unlikely to happen
        throw new RuntimeException(e);
    } finally {
        conn.disconnect();
    }
}

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From source file:at.ac.tuwien.caa.docscan.logic.DataLog.java

private ArrayList<ShotLog> readJsonStream(InputStream in) throws IOException, ParseException {

    JsonReader reader = new JsonReader(new InputStreamReader(in, "UTF-8"));
    ArrayList<ShotLog> shotLog = readList(reader);
    reader.close();/* ww w .  j  a  v a2  s .c o m*/

    return shotLog;

}

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From source file:com.thingsee.tracker.REST.KiiBucketRequestAsyncTask.java

private JSONArray readSensorDataFromString(String input, int offset) {
    StringReader reader = new StringReader(input);
    try {//from w w w. j a va 2  s  .c o  m
        reader.skip(offset);
    } catch (IOException e1) {
        e1.printStackTrace();
    }
    JsonReader jsonReader = new JsonReader(reader);
    JSONArray jsonArray = new JSONArray();
    try {
        jsonReader.beginArray();
        while (jsonReader.hasNext()) {
            JSONObject jsonObject = readSingleData(jsonReader);
            jsonArray.put(jsonObject);
        }
        jsonReader.endArray();
    } catch (IOException e) {
        // Ignore for brevity
    } catch (JSONException e) {
        // Ignore for brevity
    }
    try {
        jsonReader.close();
    } catch (IOException e) {
        // Ignore for brevity
    }
    reader.close();
    return jsonArray;
}

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From source file:pedromendes.tempodeespera.HospitalDetailActivity.java

public List<Emergency> readJsonStream(InputStream in) throws IOException {
    JsonReader reader = new JsonReader(new InputStreamReader(in, "UTF-8"));
    try {/*from  www . j a  v  a  2  s  .  c o  m*/
        return readHospitalDetailGetResponse(reader);
    } finally {
        reader.close();
    }
}

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From source file:android.support.test.espresso.web.model.ModelCodec.java

private static Object decodeViaJSONReader(String json) throws IOException {
    JsonReader reader = null;// w  w w . ja v  a  2  s. c o m
    try {
        reader = new JsonReader(new StringReader(json));
        while (true) {
            switch (reader.peek()) {
            case BEGIN_OBJECT:
                return decodeObject(reader);
            case BEGIN_ARRAY:
                return decodeArray(reader);
            default:
                throw new IllegalStateException("Bogus document: " + json);
            }
        }
    } finally {
        if (null != reader) {
            try {
                reader.close();
            } catch (IOException ioe) {
                Log.i(TAG, "json reader - close exception", ioe);
            }
        }
    }
}

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From source file:com.fuzz.android.limelight.util.JSONTool.java

/**
 * Entry point reader method that starts the call of other reader methods.
 *
 * @param inputStream/*w  ww  .  j ava2 s  .c  o m*/
 * @return Book object after reading JSON is complete
 * @throws IOException
 */
public static Book readJSON(InputStream inputStream) throws IOException {
    JsonReader jsonReader = new JsonReader(new InputStreamReader(inputStream, "UTF-8"));
    try {
        return readBook(jsonReader);
    } catch (Throwable e) {
        throw new RuntimeException(e);
    } finally {
        jsonReader.close();
    }
}

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From source file:com.avalond.ad_blocak.MainActivity.java

@Override
public void onActivityResult(int requestCode, int resultCode, Intent data) {
    Log.d("MainActivity", "onActivityResult: Received result=" + resultCode + " for request=" + requestCode);
    super.onActivityResult(requestCode, resultCode, data);
    if (requestCode == REQUEST_FILE_OPEN && resultCode == RESULT_OK) {
        Uri selectedfile = data.getData(); //The uri with the location of the file

        try {//from   w  ww  .  ja  va  2s  . c  om
            Configuration newConfig = new Configuration();
            newConfig.read(
                    new JsonReader(new InputStreamReader(getContentResolver().openInputStream(selectedfile))));
            config = newConfig;
        } catch (Exception e) {
            Toast.makeText(this, "Cannot read file: " + e.getMessage(), Toast.LENGTH_SHORT).show();
        }
        reload();
        FileHelper.writeSettings(this, MainActivity.config);
    }
    if (requestCode == REQUEST_FILE_STORE && resultCode == RESULT_OK) {
        Uri selectedfile = data.getData(); //The uri with the location of the file
        JsonWriter writer = null;
        try {
            writer = new JsonWriter(
                    new OutputStreamWriter(getContentResolver().openOutputStream(selectedfile)));
            config.write(writer);
            writer.close();
        } catch (Exception e) {
            Toast.makeText(this, "Cannot write file: " + e.getMessage(), Toast.LENGTH_SHORT).show();
        } finally {
            try {
                writer.close();
            } catch (Exception ignored) {

            }
        }
        reload();
    }
    if (requestCode == REQUEST_ITEM_EDIT && resultCode == RESULT_OK) {
        Configuration.Item item = new Configuration.Item();
        Log.d("FOOOO", "onActivityResult: item title = " + data.getStringExtra("ITEM_TITLE"));
        item.title = data.getStringExtra("ITEM_TITLE");
        item.location = data.getStringExtra("ITEM_LOCATION");
        item.state = data.getIntExtra("ITEM_STATE", 0);
        this.itemChangedListener.onItemChanged(item);
    }
}

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From source file:org.opensilk.music.ui2.loader.PluginLoader.java

public List<ComponentName> readDisabledPlugins() {
    List<ComponentName> list = new ArrayList<>();
    String json = settings.getString(PREF_DISABLED_PLUGINS, null);
    Timber.v("Read disabled plugins=" + json);
    if (json != null) {
        JsonReader jr = new JsonReader(new StringReader(json));
        try {//from   w  ww  .ja  va2 s.  c o m
            jr.beginArray();
            while (jr.hasNext()) {
                list.add(ComponentName.unflattenFromString(jr.nextString()));
            }
            jr.endArray();
        } catch (IOException e) {
            settings.remove(PREF_DISABLED_PLUGINS);
            list.clear();
        } finally {
            IOUtils.closeQuietly(jr);
        }
    }
    return list;
}

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From source file:org.liberty.android.fantastischmemo.downloader.quizlet.lib.java

private static String makePostApiCall(URL url, String content, String authToken) throws IOException {
    HttpsURLConnection conn = null;
    OutputStreamWriter writer = null;
    String res = "";
    try {/*from w w w  .jav a 2s.c  o  m*/
        conn = (HttpsURLConnection) url.openConnection();
        conn.setDoInput(true);
        conn.setDoOutput(true);
        conn.setRequestMethod("POST");
        conn.addRequestProperty("Authorization", "Bearer " + authToken);
        conn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");

        writer = new OutputStreamWriter(conn.getOutputStream());
        writer.write(content);
        writer.close();

        if (conn.getResponseCode() / 100 >= 3) {
            Log.v("makePostApiCall", "Post content is: " + content);
            String error = "";
            try {
                JsonReader r = new JsonReader(new InputStreamReader(conn.getErrorStream(), "UTF-8"));
                r.beginObject();
                while (r.hasNext()) {
                    error += r.nextName() + ": " + r.nextString() + "\r\n";
                }
                r.endObject();
                r.close();
            } catch (Throwable eex) {

            }
            Log.v("makePostApiCall", "Error string is: " + error);
            res = error;
            throw new IOException(
                    "Response code: " + conn.getResponseCode() + " URL is: " + url + " \nError: " + error);
        } else {
            JsonReader r = new JsonReader(new InputStreamReader(conn.getInputStream()));
            r.beginObject();
            while (r.hasNext()) {
                try {
                    res += r.nextName() + ": " + r.nextString() + "\n";
                } catch (Exception ex) {
                    r.skipValue();
                }
            }
            return res;
        }
    } finally {
        conn.disconnect();
        //return res;
    }
}

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From source file:com.dalaran.async.task.http.AbstractHTTPService.java

@SuppressLint("NewApi")
public JsonReader callHttpToGetJsonReader(REQUEST request, String url, String host, int port)
        throws IOException {
    /*   HttpHost targetHost = new HttpHost(host, port);
       HttpClient httpClient = new DefaultHttpClient();
       HttpContext httpContext = new BasicHttpContext();
       HttpGet httpGet = new HttpGet(url);
       setAuthentificationHeader(httpGet);
            /*from  w  w w. ja  v  a2 s . c  o  m*/
       HttpResponse response = httpClient.execute(targetHost, httpGet, httpContext);
       HttpEntity entity = response.getEntity();*/
    HttpEntity entity = makeRequest(request, url, host, port);
    return new JsonReader(new InputStreamReader(entity.getContent()));
}

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