Examples with SdCardStorageAdapter com.newsrob.storage.SdCardStorageAdapter used on opensource projects

Example 1 with SdCardStorageAdapter

use of com.newsrob.storage.SdCardStorageAdapter in project newsrob by marianokamp.

the class Feed method restoreFeedsIfNeccesary.

public static final boolean restoreFeedsIfNeccesary(Context context) {
    // initial startup?
    final EntryManager em = EntryManager.getInstance(context);
    if (em.getFeedCount() != 0)
        return false;
    SdCardStorageAdapter storageAdapter = new SdCardStorageAdapter(context.getApplicationContext(), false);
    final String fileName = storageAdapter.getAbsolutePathForAsset(FEED_SETTINGS_FILE_NAME);
    if (!new File(fileName).exists()) {
        Log.w("Feed", "No " + fileName + " existing. Not trying to restore feeds.");
        return false;
    }
    Log.i("Feed", "Trying to restore feeds.");
    try {
        SAXParserFactory saxParserFactory = SAXParserFactory.newInstance();
        SAXParser parser = saxParserFactory.newSAXParser();
        DefaultHandler handler = new SimpleStringExtractorHandler() {

            @Override
            public final void startElement(String uri, String localName, String name, Attributes attributes) throws SAXException {
                super.startElement(uri, localName, name, attributes);
                if (!"feed".equals(localName))
                    return;
                Feed f = new Feed();
                f.setAtomId(URLDecoder.decode(attributes.getValue("atomId")));
                f.setTitle(URLDecoder.decode(attributes.getValue("title")));
                f.setDownloadPref(Integer.parseInt(attributes.getValue("downloadPref")));
                f.setDisplayPref(Integer.parseInt(attributes.getValue("displayPref")));
                f.setWebScale(Float.parseFloat(attributes.getValue("webScale")));
                f.setFeedScale(Float.parseFloat(attributes.getValue("feedScale")));
                f.setJavaScriptEnabled(Boolean.parseBoolean(attributes.getValue("javaScriptEnabled")));
                try {
                    f.setFitToWidthEnabled(Boolean.parseBoolean(attributes.getValue("fitToWidthEnabled")));
                } catch (RuntimeException rte) {
                // skip as it may be missing. Default is true then.
                }
                f.setNotificationEnabled(Boolean.parseBoolean(attributes.getValue("notificationEnabled")));
                f.setAlternateUrl(attributes.getValue("altUrl"));
                em.insert(f);
            }

            @Override
            public void receivedString(String localTagName, String fullyQualifiedLocalName, String value) {
            }
        };
        parser.parse(new File(fileName), handler);
    } catch (SAXException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    } catch (ParserConfigurationException e) {
        e.printStackTrace();
    }
    Log.i("Feed", "Restored feeds. Now " + em.getFeedCount() + " feeds in database.");
    return true;
}

Example 2 with SdCardStorageAdapter

use of com.newsrob.storage.SdCardStorageAdapter in project newsrob by marianokamp.

the class EntryManager method switchStorageProvider.

private void switchStorageProvider() {
    Log.d(TAG, "Switch Storage Provider");
    if (isModelCurrentlyUpdated())
        return;
    final String newPrefValue = getSharedPreferences().getString(SETTINGS_STORAGE_PROVIDER_KEY, null);
    final String oldStorageProviderClass = fileContextAdapter.getClass().getName();
    final String newStorageProviderClass = STORAGE_PROVIDER_SD_CARD.equals(newPrefValue) ? SdCardStorageAdapter.class.getName() : PhoneMemoryStorageAdapter.class.getName();
    if (!oldStorageProviderClass.equals(newStorageProviderClass)) {
        runningThread = new Thread(new Runnable() {

            public void run() {
                final PowerManager pm = (PowerManager) ctx.getSystemService(Context.POWER_SERVICE);
                final PowerManager.WakeLock wl = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, TAG);
                Log.i(TAG, "Wake lock acquired at " + new Date().toString() + ".");
                wl.acquire();
                Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND);
                final Timing t = new Timing("Storage Provider Switch", ctx);
                ModelUpdateResult result = null;
                if (isModelCurrentlyUpdated())
                    return;
                try {
                    lockModel("EM.switchStorageProvider.run");
                } catch (final IllegalStateException ise) {
                    return;
                }
                try {
                    Log.i(TAG, "Switching storage providers started at " + new Date().toString() + ".");
                    fireModelUpdateStarted("Switching storage providers", false, true);
                    Log.d(TAG, "Change of storage provider detected.");
                    final List<Job> jobList = new LinkedList<Job>();
                    final Job clearOldStorageProvider = new Job("Clearing Old Storage Provider", EntryManager.this) {

                        @Override
                        public void run() {
                            Log.d(TAG, "Clearing the old storage provider.");
                            doClearCache();
                            if (fileContextAdapter.canWrite())
                                WebPageDownloadDirector.removeAllAssets(fileContextAdapter, ctx);
                        }
                    };
                    jobList.add(clearOldStorageProvider);
                    final Job switchStorageProviders = new Job("Switching Storage Providers", EntryManager.this) {

                        @Override
                        public void run() throws Exception {
                            Log.d(TAG, "Establishing new storage provider: " + newStorageProviderClass);
                            fileContextAdapter = newStorageProviderClass.equals(SdCardStorageAdapter.class.getName()) ? new SdCardStorageAdapter(ctx) : new PhoneMemoryStorageAdapter(ctx);
                            Log.d(TAG, "New storage provider established.");
                        }
                    };
                    jobList.add(switchStorageProviders);
                    final Job clearNewStorageProvider = new Job("Clearing New Storage Provider", EntryManager.this) {

                        @Override
                        public void run() {
                            Log.d(TAG, "Clearing the new storage provider.");
                            doClearCache();
                            if (fileContextAdapter.canWrite())
                                WebPageDownloadDirector.removeAllAssets(fileContextAdapter, ctx);
                        }
                    };
                    jobList.add(clearNewStorageProvider);
                    runJobs(jobList);
                    result = new SwitchStorageProviderResult();
                } catch (final Throwable throwable) {
                    result = new SwitchStorageProviderFailed(throwable);
                    Log.d(TAG, "Problem during switching storage providers.", throwable);
                    t.stop();
                } finally {
                    unlockModel("EM.switchStorageProvider.run");
                    clearCancelState();
                    fireModelUpdateFinished(result);
                    fireStatusUpdated();
                    Log.i(TAG, "Switching storage providers finished at " + new Date().toString() + ".");
                    wl.release();
                    t.stop();
                }
            }
        }, "Storage Provider Switch Worker");
        runningThread.start();
    }
}

Example 3 with SdCardStorageAdapter

use of com.newsrob.storage.SdCardStorageAdapter in project newsrob by marianokamp.

the class Feed method saveFeedSettings.

public static final void saveFeedSettings(Context context) {
    SdCardStorageAdapter storageAdapter = new SdCardStorageAdapter(context.getApplicationContext(), false);
    if (!storageAdapter.canWrite())
        return;
    List<Feed> feeds = EntryManager.getInstance(context).findAllFeeds();
    PrintWriter pw = null;
    try {
        pw = new PrintWriter(new BufferedWriter(new OutputStreamWriter(new BufferedOutputStream(storageAdapter.openFileOutput(FEED_SETTINGS_FILE_NAME), 8192))));
        pw.println("<feeds version='1'>");
        for (Feed feed : feeds) {
            StringBuilder sb = new StringBuilder("  <feed ");
            addAttribute(sb, "atomId", URLEncoder.encode(feed.getAtomId()));
            addAttribute(sb, "title", URLEncoder.encode(feed.getTitle()));
            addAttribute(sb, "downloadPref", String.valueOf(feed.getDownloadPref()));
            addAttribute(sb, "displayPref", String.valueOf(feed.getDisplayPref()));
            addAttribute(sb, "webScale", String.valueOf(feed.getWebScale()));
            addAttribute(sb, "feedScale", String.valueOf(feed.getFeedScale()));
            addAttribute(sb, "fitToWidthEnabled", String.valueOf(feed.isFitToWidthEnabled()));
            addAttribute(sb, "javaScriptEnabled", String.valueOf(feed.isJavaScriptEnabled()));
            addAttribute(sb, "notificationEnabled", String.valueOf(feed.isNotificationEnabled()));
            addAttribute(sb, "altUrl", String.valueOf(feed.getAlternateUrl()));
            sb.append("/>");
            pw.println(sb.toString());
        }
        pw.println("</feeds>");
    } catch (FileNotFoundException e) {
        e.printStackTrace();
    } finally {
        if (pw != null)
            pw.close();
    }
    Log.d("Feed", "Saved feeds.");
}