Examples with JsonWriter android.util.JsonWriter used on opensource projects

Example 1 with JsonWriter

use of android.util.JsonWriter in project MQTTPushClient_Android by RadioShuttle.

the class DashBoardViewModel method saveLastReceivedMessages.

public void saveLastReceivedMessages() {
    if (mLastReceivedMessages != null && mLastReceivedMessages.size() > 0) {
        final ArrayList<Message> msgArr = new ArrayList<>(mLastReceivedMessages.values());
        final String pushServerID = mPushAccount.pushserverID;
        final String mqttAccount = mPushAccount.getMqttAccountName();
        final Application app = getApplication();
        Log.d(TAG, "Save messages: " + pushServerID + ", " + mqttAccount);
        if (!Utils.isEmpty(pushServerID) && !Utils.isEmpty(mqttAccount)) {
            Utils.executor.execute(new Runnable() {

                @Override
                public void run() {
                    try {
                        AppDatabase db = AppDatabase.getInstance(app);
                        MqttMessageDao dao = db.mqttMessageDao();
                        Long psid = dao.getCode(pushServerID);
                        if (psid == null) {
                            Code c = new Code();
                            c.setName(pushServerID);
                            try {
                                psid = db.mqttMessageDao().insertCode(c);
                            } catch (SQLiteConstraintException e) {
                                // rare case: sync messages has just inserted this pushServerID
                                Log.d(TAG, "insert pushserver id into code table: ", e);
                                // reread
                                psid = db.mqttMessageDao().getCode(pushServerID);
                            }
                        // Log.d(TAG, " (before null) code: " + psCode);
                        }
                        Long accountID = dao.getCode(mqttAccount);
                        if (accountID == null) {
                            Code c = new Code();
                            c.setName(mqttAccount);
                            try {
                                accountID = db.mqttMessageDao().insertCode(c);
                            } catch (SQLiteConstraintException e) {
                                // rare case: sync messages has just inserted this accountname
                                Log.d(TAG, "insert accountname into code table: ", e);
                                accountID = db.mqttMessageDao().getCode(mqttAccount);
                            }
                        // Log.d(TAG, " (before null) mqttAccountCode: " + mqttAccountCode);
                        }
                        File msgs = new File(app.getFilesDir(), "mc_" + psid + "_" + accountID + ".tmp");
                        File msgsD = new File(app.getFilesDir(), "mc_" + psid + "_" + accountID + ".json");
                        BufferedWriter bufferedWriter = null;
                        JsonWriter jsonWriter = null;
                        boolean writeCompleted = false;
                        synchronized (mFileLock) {
                            try {
                                bufferedWriter = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(msgs), "UTF-8"));
                                jsonWriter = new JsonWriter(bufferedWriter);
                                jsonWriter.beginArray();
                                for (Message m : msgArr) {
                                    jsonWriter.beginObject();
                                    jsonWriter.name("status");
                                    jsonWriter.value(m.status);
                                    jsonWriter.name("received");
                                    jsonWriter.value(m.getWhen());
                                    jsonWriter.name("seqno");
                                    jsonWriter.value(m.getSeqno());
                                    jsonWriter.name("topic");
                                    jsonWriter.value(m.getTopic() == null ? "" : m.getTopic());
                                    jsonWriter.name("payload");
                                    jsonWriter.value(Base64.encodeToString(m.getPayload(), Base64.DEFAULT));
                                    jsonWriter.endObject();
                                }
                                jsonWriter.endArray();
                                writeCompleted = true;
                            } finally {
                                if (jsonWriter != null) {
                                    jsonWriter.close();
                                }
                                if (writeCompleted) {
                                    msgs.renameTo(msgsD);
                                }
                                msgs.delete();
                            }
                        }
                    } catch (Exception e) {
                        Log.e(TAG, "Error saving messages for account: " + pushServerID + ", " + mqttAccount, e);
                    }
                }
            });
        }
    }
}

Example 2 with JsonWriter

use of android.util.JsonWriter in project platform_packages_inputmethods_LatinIME by GrapheneOS.

the class JsonUtils method listToJsonStr.

public static String listToJsonStr(final List<Object> list) {
    if (list == null || list.isEmpty()) {
        return EMPTY_STRING;
    }
    final StringWriter sw = new StringWriter();
    final JsonWriter writer = new JsonWriter(sw);
    try {
        writer.beginArray();
        for (final Object o : list) {
            writer.beginObject();
            if (o instanceof Integer) {
                writer.name(INTEGER_CLASS_NAME).value((Integer) o);
            } else if (o instanceof String) {
                writer.name(STRING_CLASS_NAME).value((String) o);
            }
            writer.endObject();
        }
        writer.endArray();
        return sw.toString();
    } catch (final IOException e) {
    } finally {
        close(writer);
    }
    return EMPTY_STRING;
}

Example 3 with JsonWriter

use of android.util.JsonWriter in project NClientV2 by Dar9586.

the class GeneralPreferenceFragment method getDataSettings.

private String getDataSettings(Context context) throws IOException {
    String[] names = new String[] { "Settings", "ScrapedTags" };
    StringWriter sw = new StringWriter();
    JsonWriter writer = new JsonWriter(sw);
    writer.setIndent("\t");
    writer.beginObject();
    for (String name : names) processSharedFromName(writer, context, name);
    writer.endObject();
    writer.flush();
    String settings = sw.toString();
    writer.close();
    LogUtility.d(settings);
    return settings;
}

Example 4 with JsonWriter

use of android.util.JsonWriter in project NClientV2 by Dar9586.

the class TagsAdapter method onlineTagUpdate.

private void onlineTagUpdate(final Tag tag, final boolean add, final ImageView imgView) throws IOException {
    if (!Login.isLogged() || Login.getUser() == null)
        return;
    StringWriter sw = new StringWriter();
    JsonWriter jw = new JsonWriter(sw);
    jw.beginObject().name("added").beginArray();
    if (add)
        writeTag(jw, tag);
    jw.endArray().name("removed").beginArray();
    if (!add)
        writeTag(jw, tag);
    jw.endArray().endObject();
    final String url = String.format(Locale.US, Utility.getBaseUrl() + "users/%d/%s/blacklist", Login.getUser().getId(), Login.getUser().getCodename());
    final RequestBody ss = RequestBody.create(MediaType.get("application/json"), sw.toString());
    new AuthRequest(url, url, new Callback() {

        @Override
        public void onFailure(@NonNull Call call, @NonNull IOException e) {
        }

        @Override
        public void onResponse(@NonNull Call call, @NonNull Response response) throws IOException {
            if (response.body().string().contains("ok")) {
                if (add)
                    Login.addOnlineTag(tag);
                else
                    Login.removeOnlineTag(tag);
                if (tagMode == TagMode.ONLINE)
                    updateLogo(imgView, add ? TagStatus.AVOIDED : TagStatus.DEFAULT);
            }
        }
    }).setMethod("POST", ss).start();
}

Example 5 with JsonWriter

use of android.util.JsonWriter in project NClientV2 by Dar9586.

the class Exporter method dumpDB.

private static void dumpDB(OutputStream stream) throws IOException {
    SQLiteDatabase db = Database.getDatabase();
    JsonWriter writer = new JsonWriter(new OutputStreamWriter(stream));
    writer.beginObject();
    for (String s : SCHEMAS) {
        Cursor cur = db.query(s, null, null, null, null, null, null);
        writer.name(s).beginArray();
        if (cur.moveToFirst()) {
            do {
                writer.beginObject();
                for (int i = 0; i < cur.getColumnCount(); i++) {
                    writer.name(cur.getColumnName(i));
                    if (cur.isNull(i)) {
                        writer.nullValue();
                    } else {
                        switch(cur.getType(i)) {
                            case Cursor.FIELD_TYPE_INTEGER:
                                writer.value(cur.getLong(i));
                                break;
                            case Cursor.FIELD_TYPE_FLOAT:
                                writer.value(cur.getDouble(i));
                                break;
                            case Cursor.FIELD_TYPE_STRING:
                                writer.value(cur.getString(i));
                                break;
                            case Cursor.FIELD_TYPE_BLOB:
                            case Cursor.FIELD_TYPE_NULL:
                                break;
                        }
                    }
                }
                writer.endObject();
            } while (cur.moveToNext());
        }
        writer.endArray();
        cur.close();
    }
    writer.endObject();
    writer.flush();
}