Example usage for org.json JSONObject keys

Introduction

In this page you can find the example usage for org.json JSONObject keys.

Prototype

public Iterator keys() 

Source Link

Document

Get an enumeration of the keys of the JSONObject.

Usage

From source file:com.cannabiscoin.wallet.ExchangeRatesProvider.java

private static Map<String, ExchangeRate> requestExchangeRates(final URL url, final String userAgent,
        final String... fields) {
    final long start = System.currentTimeMillis();

    HttpURLConnection connection = null;
    Reader reader = null;/*from ww w. jav  a 2s . c  om*/

    try {

        Double btcRate = 0.0;
        boolean cryptsyValue = true;
        Object result = getCoinValueBTC();

        if (result == null) {
            result = getCoinValueBTC_BTER();
            cryptsyValue = false;
            if (result == null)
                return null;
        }
        btcRate = (Double) result;

        connection = (HttpURLConnection) url.openConnection();

        connection.setInstanceFollowRedirects(false);
        connection.setConnectTimeout(Constants.HTTP_TIMEOUT_MS);
        connection.setReadTimeout(Constants.HTTP_TIMEOUT_MS);
        connection.addRequestProperty("User-Agent", userAgent);
        connection.connect();

        final int responseCode = connection.getResponseCode();
        if (responseCode == HttpURLConnection.HTTP_OK) {
            reader = new InputStreamReader(new BufferedInputStream(connection.getInputStream(), 1024),
                    Constants.UTF_8);
            final StringBuilder content = new StringBuilder();
            Io.copy(reader, content);

            final Map<String, ExchangeRate> rates = new TreeMap<String, ExchangeRate>();

            final JSONObject head = new JSONObject(content.toString());
            for (final Iterator<String> i = head.keys(); i.hasNext();) {
                final String currencyCode = i.next();
                if (!"timestamp".equals(currencyCode)) {
                    final JSONObject o = head.getJSONObject(currencyCode);

                    for (final String field : fields) {
                        String rateStr = o.optString(field, null);

                        if (rateStr != null) {
                            try {
                                double rateForBTC = Double.parseDouble(rateStr);

                                rateStr = String.format("%.8f", rateForBTC * btcRate).replace(",", ".");

                                final BigInteger rate = GenericUtils.toNanoCoins(rateStr, 0);

                                if (rate.signum() > 0) {
                                    rates.put(currencyCode,
                                            new ExchangeRate(currencyCode, rate, url.getHost()));
                                    break;
                                }
                            } catch (final ArithmeticException x) {
                                log.warn("problem fetching {} exchange rate from {}: {}",
                                        new Object[] { currencyCode, url, x.getMessage() });
                            }

                        }
                    }
                }
            }

            log.info("fetched exchange rates from {}, took {} ms", url, (System.currentTimeMillis() - start));

            //Add Bitcoin information
            if (rates.size() == 0) {
                int i = 0;
                i++;
            } else {
                rates.put(CoinDefinition.cryptsyMarketCurrency,
                        new ExchangeRate(CoinDefinition.cryptsyMarketCurrency,
                                GenericUtils.toNanoCoins(String.format("%.8f", btcRate).replace(",", "."), 0),
                                cryptsyValue ? "pubapi.cryptsy.com" : "data.bter.com"));
                rates.put("m" + CoinDefinition.cryptsyMarketCurrency,
                        new ExchangeRate("m" + CoinDefinition.cryptsyMarketCurrency,
                                GenericUtils.toNanoCoins(
                                        String.format("%.5f", btcRate * 1000).replace(",", "."), 0),
                                cryptsyValue ? "pubapi.cryptsy.com" : "data.bter.com"));
            }

            return rates;
        } else {
            log.warn("http status {} when fetching {}", responseCode, url);
        }
    } catch (final Exception x) {
        log.warn("problem fetching exchange rates from " + url, x);
    } finally {

        if (reader != null) {
            try {
                reader.close();
            } catch (final IOException x) {
                // swallow
            }
        }

        if (connection != null)
            connection.disconnect();
    }

    return null;
}

---

From source file:com.bw.hawksword.wiktionary.SimpleWikiHelper.java

/**
 * Read and return the content for a specific Wiktionary page. This makes a
 * lightweight API call, and trims out just the page content returned.
 * Because this call blocks until results are available, it should not be
 * run from a UI thread./*from   w  w w . ja v a2s .  c o  m*/
 *
 * @param title The exact title of the Wiktionary page requested.
 * @param expandTemplates If true, expand any wiki templates found.
 * @return Exact content of page.
 * @throws ApiException If any connection or server error occurs.
 * @throws ParseException If there are problems parsing the response.
 */
public static String getPageContent(String title, boolean expandTemplates) throws ApiException, ParseException {
    // Encode page title and expand templates if requested
    String encodedTitle = Uri.encode(title);
    String expandClause = expandTemplates ? WIKTIONARY_EXPAND_TEMPLATES : "";

    // Query the API for content
    String content = getUrlContent(String.format(WIKTIONARY_PAGE, encodedTitle, expandClause));
    try {
        // Drill into the JSON response to find the content body
        JSONObject response = new JSONObject(content);
        JSONObject query = response.getJSONObject("query");
        JSONObject pages = query.getJSONObject("pages");
        JSONObject page = pages.getJSONObject((String) pages.keys().next());
        JSONArray revisions = page.getJSONArray("revisions");
        JSONObject revision = revisions.getJSONObject(0);
        return revision.getString("*");
    } catch (JSONException e) {
        throw new ParseException("Problem parsing API response", e);
    }
}

---

From source file:org.official.json.CookieList.java

/**
 * Convert a JSONObject into a cookie list. A cookie list is a sequence
 * of name/value pairs. The names are separated from the values by '='.
 * The pairs are separated by ';'. The characters '%', '+', '=', and ';'
 * in the names and values are replaced by "%hh".
 * @param jo A JSONObject/*from w  w w  .j av a2s  .  co  m*/
 * @return A cookie list string
 * @throws JSONException
 */
public static String toString(JSONObject jo) throws JSONException {
    boolean b = false;
    Iterator<String> keys = jo.keys();
    String string;
    StringBuilder sb = new StringBuilder();
    while (keys.hasNext()) {
        string = keys.next();
        if (!jo.isNull(string)) {
            if (b) {
                sb.append(';');
            }
            sb.append(Cookie.escape(string));
            sb.append("=");
            sb.append(Cookie.escape(jo.getString(string)));
            b = true;
        }
    }
    return sb.toString();
}

---

From source file:com.mi.xserv.XservBase.java

protected String urlEncodedJSON(JSONObject params) {
    String url_encode = "";
    if (params != null) {
        Iterator<?> keys = params.keys();
        while (keys.hasNext()) {
            String key = (String) keys.next();
            String value = "";
            try {
                value = params.get(key).toString();
            } catch (JSONException ignored) {
            }/* w w  w. j  av  a2  s  . c  om*/
            try {
                if (url_encode.length() > 0) {
                    url_encode += "&";
                }
                url_encode += URLEncoder.encode(key, "UTF-8") + "=" + URLEncoder.encode(value, "UTF-8");
            } catch (UnsupportedEncodingException ignored) {
            }
        }
    }
    return url_encode;
}

---

From source file:com.soomla.store.domain.data.VirtualGood.java

/**
 * Converts the current {@link VirtualGood} to a JSONObject.
 * @return a JSONObject representation of the current {@link VirtualGood}.
 *//*  ww w .j  a  v  a 2 s .  co m*/
public JSONObject toJSONObject() {
    JSONObject parentJsonObject = super.toJSONObject();
    JSONObject jsonObject = new JSONObject();
    try {
        Iterator<?> keys = parentJsonObject.keys();
        while (keys.hasNext()) {
            String key = (String) keys.next();
            jsonObject.put(key, parentJsonObject.get(key));
        }

        JSONObject priceModelObject = AbstractPriceModel.priceModelToJSONObject(mPriceModel);
        jsonObject.put(JSONConsts.GOOD_PRICE_MODEL, priceModelObject);
    } catch (JSONException e) {
        if (StoreConfig.debug) {
            Log.d(TAG, "An error occurred while generating JSON object.");
        }
    }

    return jsonObject;
}

---

From source file:org.godotengine.godot.Utils.java

public static Map<String, Object> jsonToMap(String jsonData) {
    JSONObject jobject = null;

    try {//from   ww w.j av  a2  s . c  om
        jobject = new JSONObject(jsonData);
    } catch (JSONException e) {
        Utils.d("JSONObject exception: " + e.toString());
    }

    Map<String, Object> retMap = new HashMap<String, Object>();
    Iterator<String> keysItr = jobject.keys();

    while (keysItr.hasNext()) {
        try {
            String key = keysItr.next();
            Object value = jobject.get(key);

            retMap.put(key, value);
        } catch (JSONException e) {
            Utils.d("JSONObject get key error" + e.toString());
        }
    }

    return retMap;
}

---

From source file:com.example.administrator.datarequest.ningworld.HttpHeaders.java

@Override
public void setJSONString(String jsonString) throws JSONException {
    mSource.clear();//from  w ww.j a  v  a2 s.  c  o  m
    JSONObject jsonObject = new JSONObject(jsonString);
    Iterator<String> keySet = jsonObject.keys();
    while (keySet.hasNext()) {
        String key = keySet.next();
        String value = jsonObject.optString(key);
        JSONArray values = new JSONArray(value);
        if (values != null)
            for (int i = 0; i < values.length(); i++)
                add(key, values.optString(i));
    }
}

---

From source file:com.facebook.config.AbstractExpandedConfJSONProvider.java

private JSONObject getExpandedJSONConfig() throws JSONException {
    Set<String> traversedFiles = new HashSet<>();
    Queue<String> toTraverse = new LinkedList<>();

    // Seed the graph traversal with the root node
    traversedFiles.add(root);/*from   ww w.  ja v  a 2s  .  c o m*/
    toTraverse.add(root);

    // Policy: parent configs will override children (included) configs
    JSONObject expanded = new JSONObject();
    while (!toTraverse.isEmpty()) {
        String current = toTraverse.remove();
        JSONObject json = load(current);
        JSONObject conf = json.getJSONObject(CONF_KEY);
        Iterator<String> iter = conf.keys();
        while (iter.hasNext()) {
            String key = iter.next();
            // Current config will get to insert keys before its include files
            if (!expanded.has(key)) {
                expanded.put(key, conf.get(key));
            }
        }
        // Check if the file itself has any included files
        if (json.has(INCLUDES_KEY)) {
            JSONArray includes = json.getJSONArray(INCLUDES_KEY);
            for (int idx = 0; idx < includes.length(); idx++) {
                String include = resolve(current, includes.getString(idx));
                if (traversedFiles.contains(include)) {
                    LOG.warn("Config file was included twice: " + include);
                } else {
                    toTraverse.add(include);
                    traversedFiles.add(include);
                }
            }
        }
    }

    return expanded;
}

---

From source file:com.norman0406.slimgress.API.Knobs.RecycleKnobs.java

public RecycleKnobs(JSONObject json) throws JSONException {
    super(json);/*from   w  w  w  .j a  v a  2s. c om*/

    mRecycleValuesMap = new HashMap<String, List<Integer>>();
    JSONObject recycleValuesMap = json.getJSONObject("recycleValuesMap");
    Iterator<?> it = recycleValuesMap.keys();
    while (it.hasNext()) {
        String key = (String) it.next();
        mRecycleValuesMap.put(key, getIntArray(recycleValuesMap, key));
    }
}

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From source file:com.example.android.notepad.CMNotesProvider.java

@Override
public Cursor query(Uri uri, String[] projection, String selection, String[] selectionArgs, String sortOrder) {

    String[] keys = null;//from   w  ww  .ja  v a 2  s  .c om

    switch (sUriMatcher.match(uri)) {
    case NOTES:
        //qb.setProjectionMap(sNotesProjectionMap);
        break;

    case NOTE_ID:
        //qb.setProjectionMap(sNotesProjectionMap);
        //qb.appendWhere(Notes._ID + "=" + uri.getPathSegments().get(1));
        keys = new String[] { uri.getPathSegments().get(1) };
        break;

    case LIVE_FOLDER_NOTES:
        //qb.setProjectionMap(sLiveFolderProjectionMap);
        break;

    default:
        throw new IllegalArgumentException("Unknown URI " + uri);
    }

    // Get the database and run the query
    //SQLiteDatabase db = mOpenHelper.getReadableDatabase();
    //Cursor c = qb.query(db, projection, selection, selectionArgs, null, null, orderBy);

    CMAdapter cmadapter = new CMAdapter();
    JSONObject objects = cmadapter.getValues(keys);
    MatrixCursor c = new MatrixCursor(projection);

    // objects is a map of key => value mappings, where key is the _id
    Iterator<String> note_ids = objects.keys();
    while (note_ids.hasNext()) {
        String id = note_ids.next();
        RowBuilder row = c.newRow();
        for (String field : projection) {
            if (field.equals(Notes._ID)) {
                row.add(id);
            } else {
                String val = "bad entry";
                try {
                    val = objects.getJSONObject(id).getString(field);
                } catch (JSONException e) {
                    // TODO Auto-generated catch block
                    e.printStackTrace();
                }
                row.add(val);
            }
        }
    }

    // Tell the cursor what uri to watch, so it knows when its source data changes
    c.setNotificationUri(getContext().getContentResolver(), uri);
    return c;
}

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