Example usage for android.content Context openFileInput

Introduction

In this page you can find the example usage for android.content Context openFileInput.

Prototype

public abstract FileInputStream openFileInput(String name) throws FileNotFoundException;

Source Link

Document

Open a private file associated with this Context's application package for reading.

Usage

From source file:org.growingstems.scouting.MatchSchedule.java

private String getSchedule(Context parent) {
    try {/*from w ww  . ja  va2  s.c om*/
        BufferedInputStream bis = new BufferedInputStream(parent.openFileInput(FILENAME));
        byte[] buffer = new byte[bis.available()];
        bis.read(buffer, 0, buffer.length);
        return new String(buffer);
    } catch (Exception e) {
        return "";
    }
}

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From source file:org.blanco.techmun.android.cproviders.EventosFetcher.java

private Eventos tryToLoadFromCache(Context context, long mesaId) {
    try {//from ww w.j a  v a2  s. c  o  m
        FileInputStream mesasFIS = context.openFileInput("eventos_" + mesaId + ".df");
        ObjectInputStream mesasOIS = new ObjectInputStream(mesasFIS);
        Eventos result = (Eventos) mesasOIS.readObject();
        mesasOIS.close();

        return result;
    } catch (IOException e) {
        Log.e("tachmun",
                "Error opening cache file for mesas in content provider. " + "No cache will be restored", e);
        return null;
    } catch (ClassNotFoundException e) {
        Log.e("tachmun", "Error in cache file for mesas in content provider. "
                + "Something is there but is not a Mesas object. Cache no restored", e);
        return null;
    }
}

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From source file:org.frc836.database.DB.java

public static void exportToCSV(Context context) {
    try {//from w  w  w .ja  v  a  2 s  .  c om
        cb = new ExportCallback();
        String filename;
        try {
            BufferedInputStream bis = new BufferedInputStream(context.openFileInput(FILENAME));
            byte[] buffer = new byte[bis.available()];
            bis.read(buffer, 0, buffer.length);
            filename = new String(buffer);
        } catch (Exception e) {
            filename = null;
        }

        cb.context = context;

        new FileSelector(context, FileOperation.SELECTDIR, mDirSelectListener, null, filename).show();

    } catch (Exception e) {
        Toast.makeText(context, "Error exporting Database", Toast.LENGTH_LONG).show();
    }
}

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From source file:com.thoughtmetric.tl.TLLib.java

private static TagNode TagNodeFromURLHelper(InputStream is, String fullTag, Handler handler, Context context,
        HtmlCleaner cleaner) throws IOException {
    SharedPreferences settings = context.getSharedPreferences(Settings.SETTINGS_FILE_NAME, 0);
    boolean disableSmartParsing = settings.getBoolean(Settings.DISABLE_SMART_PARSING, false);
    if (fullTag != null && !disableSmartParsing) {
        FileOutputStream fos = context.openFileOutput(TEMP_FILE_NAME, Context.MODE_WORLD_WRITEABLE);
        BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(fos));
        TagParser.extractTagToFile(fullTag, is, bw);
        bw.flush();// w w  w  .  j  a  v a  2s  .c  o  m
        bw.close();
        if (handler != null)
            handler.sendEmptyMessage(PROGRESS_PARSING);

        return cleaner.clean(context.openFileInput(TEMP_FILE_NAME));
    } else {
        if (handler != null)
            handler.sendEmptyMessage(PROGRESS_PARSING);
        return cleaner.clean(is);
    }
}

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From source file:com.fusionjack.slimota.configs.LinkConfig.java

public List<OTALink> getLinks(Context context, boolean force) {
    if (mLinks == null || force) {
        try {/* w ww .j  av  a2s. c o m*/
            mLinks = new ArrayList<>();

            FileInputStream fis = context.openFileInput(FILENAME);
            BufferedReader reader = new BufferedReader(new InputStreamReader(fis));
            StringBuffer out = new StringBuffer();
            String line;
            while ((line = reader.readLine()) != null) {
                out.append(line);
            }
            reader.close();
            fis.close();

            JSONArray jsonLinks = new JSONArray(out.toString());
            for (int i = 0; i < jsonLinks.length(); i++) {
                JSONObject jsonLink = jsonLinks.getJSONObject(i);
                OTALink link = new OTALink(jsonLink.getString(OTAParser.ID));
                link.setTitle(jsonLink.getString(OTAParser.TITLE));
                link.setDescription(jsonLink.getString(OTAParser.DESCRIPTION));
                link.setUrl(jsonLink.getString(OTAParser.URL));
                mLinks.add(link);
            }
        } catch (JSONException | IOException e) {
            OTAUtils.logError(e);
        }
    }
    return mLinks;
}

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From source file:com.psiphon3.psiphonlibrary.TunnelManager.java

public static String getServerEntries(Context context) {
    StringBuilder list = new StringBuilder();

    for (String encodedServerEntry : EmbeddedValues.EMBEDDED_SERVER_LIST) {
        list.append(encodedServerEntry);
        list.append("\n");
    }//from   w  w w .  jav  a2s .c o m

    // Import legacy server entries
    try {
        FileInputStream file = context.openFileInput(LEGACY_SERVER_ENTRY_FILENAME);
        BufferedReader reader = new BufferedReader(new InputStreamReader(file));
        StringBuilder json = new StringBuilder();
        String line;
        while ((line = reader.readLine()) != null) {
            json.append(line);
        }
        file.close();
        JSONObject obj = new JSONObject(json.toString());
        JSONArray jsonServerEntries = obj.getJSONArray("serverEntries");

        // MAX_LEGACY_SERVER_ENTRIES ensures the list we pass through to tunnel-core
        // is unlikely to trigger an OutOfMemoryError
        for (int i = 0; i < jsonServerEntries.length() && i < MAX_LEGACY_SERVER_ENTRIES; i++) {
            list.append(jsonServerEntries.getString(i));
            list.append("\n");
        }

        // Don't need to repeat the import again
        context.deleteFile(LEGACY_SERVER_ENTRY_FILENAME);
    } catch (FileNotFoundException e) {
        // pass
    } catch (IOException | JSONException | OutOfMemoryError e) {
        MyLog.g("prepareServerEntries failed: %s", e.getMessage());
    }

    return list.toString();
}

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From source file:com.agateau.equiv.ui.Kernel.java

private void loadDay(Context context) {
    NLog.i("");/*from w w  w.j a v a  2 s  . c o  m*/
    FileInputStream stream;
    try {
        stream = context.openFileInput(DAY_JSON);
    } catch (FileNotFoundException e) {
        return;
    }
    try {
        DayJsonIO.read(stream, mDay, mProductStore);
        stream.close();
    } catch (IOException | JSONException e) {
        NLog.e("Failed to load day: %s", e);
    }
}

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From source file:com.jamessimshaw.wallpaperhelper.datasources.WallpaperFileHelper.java

public Wallpaper loadWallpaper(Context context, boolean isLandscape) {
    Bitmap bitmap;//from  w  w  w  .  ja va  2 s. co  m
    String filename = isLandscape ? LANDSCAPE_FILENAME : PORTRAIT_FILENAME;

    try {
        //TODO: Set this up to be an async task
        FileInputStream fileInputStream = context.openFileInput(filename);
        bitmap = BitmapFactory.decodeStream(fileInputStream);
        fileInputStream.close();
    } catch (IOException e) {
        //Set a default Wallpaper of a black screen and send a notification
        Bitmap.Config bitmapOptions = Bitmap.Config.ARGB_8888;
        bitmap = Bitmap.createBitmap(100, 100, bitmapOptions);
        Canvas canvas = new Canvas(bitmap);
        canvas.drawColor(Color.BLACK);

        Intent settingsIntent = new Intent(context, SettingsActivity.class);
        PendingIntent notificationIntent = PendingIntent.getActivity(context, 0, settingsIntent,
                PendingIntent.FLAG_UPDATE_CURRENT);

        String notificationString = isLandscape ? context.getString(R.string.noLandscapeImage)
                : context.getString(R.string.noPortraitImage);

        NotificationCompat.Builder notificationBuilder = new NotificationCompat.Builder(context)
                .setSmallIcon(R.mipmap.ic_notification_small)
                .setContentTitle(context.getString(R.string.app_name)).setContentText(notificationString)
                .setContentIntent(notificationIntent);

        int notificationId = 1;
        NotificationManager manager = (NotificationManager) context
                .getSystemService(Context.NOTIFICATION_SERVICE);
        manager.notify(notificationId, notificationBuilder.build());
    }

    return new Wallpaper(bitmap, isLandscape);
}

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From source file:com.project.qrypto.keymanagement.KeyManager.java

/**
 * Returns a file in stream for a keystore. It will use the settings loaded to determine where it is.
 * @param context the context to use/*from  w  ww .  ja  v a  2s . co  m*/
 * @return the opened FileInputStream 
 * 
 * @throws FileNotFoundException if the file is not found
 */
private FileInputStream getAssociatedInFileStream(Context context) throws FileNotFoundException {
    if (internalStorage) {
        return context.openFileInput(KEYSTORE);
    } else {
        return null;
    }
}

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From source file:com.irahul.worldclock.WorldClockData.java

public WorldClockData(Context context) {
    this.context = context;

    // load timezones if not available
    if (this.selectedTimeZones == null) {
        try {/*from  ww w  .j  a  va 2s .  co  m*/
            FileInputStream fis = context.openFileInput(FILENAME);
            StringBuilder fileData = new StringBuilder();

            byte[] buffer = new byte[1];
            while (fis.read(buffer) != -1) {
                fileData.append(new String(buffer));
            }

            Log.d(TAG, "RAW - Loaded from file:" + fileData.toString());
            selectedTimeZones = deserialize(fileData.toString());

        } catch (FileNotFoundException e) {
            // no file exists - treat as empty list and create file
            createFile();
            this.selectedTimeZones = new HashSet<WorldClockTimeZone>();

        } catch (IOException e) {
            throw new WorldClockException(e);
        } catch (JSONException e) {
            throw new WorldClockException(e);
        }
    }
}

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