Example usage for android.database Cursor moveToPosition

List of usage examples for android.database Cursor moveToPosition

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Introduction

In this page you can find the example usage for android.database Cursor moveToPosition.

Prototype

boolean moveToPosition(int position);

Source Link

Document

Move the cursor to an absolute position.

Usage

From source file:org.getlantern.firetweet.util.Utils.java

public static int[] getAccountColors(final Context context, final long[] accountIds) {
    if (context == null || accountIds == null)
        return new int[0];
    final String[] cols = new String[] { Accounts.ACCOUNT_ID, Accounts.COLOR };
    final String where = Expression.in(new Column(Accounts.ACCOUNT_ID), new RawItemArray(accountIds)).getSQL();
    final Cursor cur = ContentResolverUtils.query(context.getContentResolver(), Accounts.CONTENT_URI, cols,
            where, null, null);/*from  w ww.  jav a  2 s .  c om*/
    if (cur == null)
        return new int[0];
    try {
        final int[] colors = new int[cur.getCount()];
        for (int i = 0, j = cur.getCount(); i < j; i++) {
            cur.moveToPosition(i);
            colors[ArrayUtils.indexOf(accountIds, cur.getLong(0))] = cur.getInt(1);
        }
        return colors;
    } finally {
        cur.close();
    }
}

From source file:org.getlantern.firetweet.provider.FiretweetDataProvider.java

private void showMentionsNotification(AccountPreferences pref, long position) {
    final long accountId = pref.getAccountId();
    final Context context = getContext();
    final Resources resources = context.getResources();
    final NotificationManager nm = getNotificationManager();
    final Expression selection;
    if (pref.isNotificationFollowingOnly()) {
        selection = Expression.and(Expression.equals(Statuses.ACCOUNT_ID, accountId),
                Expression.greaterThan(Statuses.STATUS_ID, position),
                Expression.equals(Statuses.IS_FOLLOWING, 1));
    } else {//  ww w . j  a  va2 s  .co  m
        selection = Expression.and(Expression.equals(Statuses.ACCOUNT_ID, accountId),
                Expression.greaterThan(Statuses.STATUS_ID, position));
    }
    final String filteredSelection = Utils.buildStatusFilterWhereClause(Mentions.TABLE_NAME, selection)
            .getSQL();
    final String[] userProjection = { Statuses.USER_ID, Statuses.USER_NAME, Statuses.USER_SCREEN_NAME };
    final String[] statusProjection = { Statuses.STATUS_ID, Statuses.USER_ID, Statuses.USER_NAME,
            Statuses.USER_SCREEN_NAME, Statuses.TEXT_UNESCAPED, Statuses.STATUS_TIMESTAMP };
    final Cursor statusCursor = mDatabaseWrapper.query(Mentions.TABLE_NAME, statusProjection, filteredSelection,
            null, null, null, Statuses.SORT_ORDER_TIMESTAMP_DESC);
    final Cursor userCursor = mDatabaseWrapper.query(Mentions.TABLE_NAME, userProjection, filteredSelection,
            null, Statuses.USER_ID, null, Statuses.SORT_ORDER_TIMESTAMP_DESC);
    try {
        final int usersCount = userCursor.getCount();
        final int statusesCount = statusCursor.getCount();
        if (statusesCount == 0 || usersCount == 0)
            return;
        final String accountName = Utils.getAccountName(context, accountId);
        final String accountScreenName = Utils.getAccountScreenName(context, accountId);
        final int idxStatusText = statusCursor.getColumnIndex(Statuses.TEXT_UNESCAPED),
                idxStatusId = statusCursor.getColumnIndex(Statuses.STATUS_ID),
                idxStatusTimestamp = statusCursor.getColumnIndex(Statuses.STATUS_TIMESTAMP),
                idxStatusUserName = statusCursor.getColumnIndex(Statuses.USER_NAME),
                idxStatusUserScreenName = statusCursor.getColumnIndex(Statuses.USER_SCREEN_NAME),
                idxUserName = userCursor.getColumnIndex(Statuses.USER_NAME),
                idxUserScreenName = userCursor.getColumnIndex(Statuses.USER_NAME),
                idxUserId = userCursor.getColumnIndex(Statuses.USER_NAME);

        final CharSequence notificationTitle = resources.getQuantityString(R.plurals.N_new_mentions,
                statusesCount, statusesCount);
        final String notificationContent;
        userCursor.moveToFirst();
        final String displayName = UserColorNameUtils.getUserNickname(context, userCursor.getLong(idxUserId),
                mNameFirst ? userCursor.getString(idxUserName) : userCursor.getString(idxUserScreenName));
        if (usersCount == 1) {
            notificationContent = context.getString(R.string.notification_mention, displayName);
        } else {
            notificationContent = context.getString(R.string.notification_mention_multiple, displayName,
                    usersCount - 1);
        }

        // Add rich notification and get latest tweet timestamp
        long when = -1, statusId = -1;
        final InboxStyle style = new InboxStyle();
        for (int i = 0, j = Math.min(statusesCount, 5); statusCursor.moveToPosition(i) && i < j; i++) {
            if (when == -1) {
                when = statusCursor.getLong(idxStatusTimestamp);
            }
            if (statusId == -1) {
                statusId = statusCursor.getLong(idxStatusId);
            }
            final SpannableStringBuilder sb = new SpannableStringBuilder();
            sb.append(UserColorNameUtils.getUserNickname(context, statusCursor.getLong(idxUserId),
                    mNameFirst ? statusCursor.getString(idxStatusUserName)
                            : statusCursor.getString(idxStatusUserScreenName)));
            sb.setSpan(new StyleSpan(Typeface.BOLD), 0, sb.length(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
            sb.append(' ');
            sb.append(statusCursor.getString(idxStatusText));
            style.addLine(sb);
        }
        if (mNameFirst) {
            style.setSummaryText(accountName);
        } else {
            style.setSummaryText("@" + accountScreenName);
        }

        // Setup notification
        final NotificationCompat.Builder builder = new NotificationCompat.Builder(context);
        builder.setAutoCancel(true);
        builder.setSmallIcon(R.drawable.ic_stat_mention);
        builder.setTicker(notificationTitle);
        builder.setContentTitle(notificationTitle);
        builder.setContentText(notificationContent);
        builder.setCategory(NotificationCompat.CATEGORY_SOCIAL);
        builder.setContentIntent(getContentIntent(context, AUTHORITY_MENTIONS, accountId));
        builder.setDeleteIntent(getDeleteIntent(context, AUTHORITY_MENTIONS, accountId, statusId));
        builder.setNumber(statusesCount);
        builder.setWhen(when);
        builder.setStyle(style);
        builder.setColor(pref.getNotificationLightColor());
        setNotificationPreferences(builder, pref, pref.getMentionsNotificationType());
        nm.notify("mentions_" + accountId, NOTIFICATION_ID_MENTIONS_TIMELINE, builder.build());
        Utils.sendPebbleNotification(context, notificationContent);
    } finally {
        statusCursor.close();
        userCursor.close();
    }
}

From source file:com.mozilla.SUTAgentAndroid.service.DoCommand.java

public String IsDirWritable(String sDir) {
    String sTmpDir = fixFileName(sDir);
    String sRet = sErrorPrefix + "[" + sTmpDir + "] is not a directory";

    if (sTmpDir.contains("org.mozilla.fennec") || sTmpDir.contains("org.mozilla.firefox")) {
        ContentResolver cr = contextWrapper.getContentResolver();
        Uri ffxFiles = null;/*ww  w  .  j  a va 2 s.  c o m*/

        ffxFiles = Uri.parse("content://" + (sTmpDir.contains("fennec") ? fenProvider : ffxProvider) + "/dir");

        String[] columns = new String[] { "_id", "isdir", "filename", "length", "writable" };

        Cursor myCursor = cr.query(ffxFiles, columns, // Which columns to return
                sTmpDir, // Which rows to return (all rows)
                null, // Selection arguments (none)
                null); // Order clause (none)
        if (myCursor != null) {
            if (myCursor.getCount() > 0) {
                if (myCursor.moveToPosition(0)) {
                    if (myCursor.getLong(myCursor.getColumnIndex("isdir")) == 1) {
                        sRet = "[" + sTmpDir + "] "
                                + ((myCursor.getLong(myCursor.getColumnIndex("writable")) == 1) ? "is"
                                        : "is not")
                                + " writable";
                    }
                }
            }
        }
    } else {
        File dir = new File(sTmpDir);

        if (dir.isDirectory()) {
            sRet = "[" + sTmpDir + "] " + (dir.canWrite() ? "is" : "is not") + " writable";
        } else {
            sRet = sErrorPrefix + "[" + sTmpDir + "] is not a directory";
        }
    }
    return (sRet);
}

From source file:com.mozilla.SUTAgentAndroid.service.DoCommand.java

public String PrintFileTimestamp(String sFile) {
    String sRet = "";
    String sTmpFileName = fixFileName(sFile);
    long lModified = -1;

    if (sTmpFileName.contains("org.mozilla.fennec") || sTmpFileName.contains("org.mozilla.firefox")) {
        ContentResolver cr = contextWrapper.getContentResolver();
        Uri ffxFiles = Uri/*from   w w w. ja v  a  2  s .  c  o m*/
                .parse("content://" + (sTmpFileName.contains("fennec") ? fenProvider : ffxProvider) + "/dir");

        String[] columns = new String[] { "_id", "isdir", "filename", "length", "ts" };

        Cursor myCursor = cr.query(ffxFiles, columns, // Which columns to return
                sTmpFileName, // Which rows to return (all rows)
                null, // Selection arguments (none)
                null); // Order clause (none)
        if (myCursor != null) {
            if (myCursor.getCount() > 0) {
                if (myCursor.moveToPosition(0)) {
                    lModified = myCursor.getLong(myCursor.getColumnIndex("ts"));
                }
            }
            myCursor.close();
        }
    } else {
        File theFile = new File(sTmpFileName);

        if (theFile.exists()) {
            lModified = theFile.lastModified();
        }
    }

    if (lModified != -1) {
        Date dtModified = new Date(lModified);
        SimpleDateFormat sdf = new SimpleDateFormat("yyyy/MM/dd hh:mm:ss:SSS");
        sRet = "Last modified: " + sdf.format(dtModified);
    } else {
        sRet = sErrorPrefix + "[" + sTmpFileName + "] doesn't exist";
    }

    return (sRet);
}

From source file:com.mozilla.SUTAgentAndroid.service.DoCommand.java

public String changeDir(String newDir) {
    String tmpDir = fixFileName(newDir);
    String sRet = sErrorPrefix + "Couldn't change directory to " + tmpDir;
    int nFiles = 0;

    if (tmpDir.contains("org.mozilla.fennec") || tmpDir.contains("org.mozilla.firefox")) {
        ContentResolver cr = contextWrapper.getContentResolver();
        Uri ffxFiles = Uri/*from w  w w .j  a  v a2 s.  c o  m*/
                .parse("content://" + (tmpDir.contains("fennec") ? fenProvider : ffxProvider) + "/dir");

        String[] columns = new String[] { "_id", "isdir", "filename" };

        Cursor myCursor = cr.query(ffxFiles, columns, // Which columns to return
                tmpDir, // Which rows to return (all rows)
                null, // Selection arguments (none)
                null); // Order clause (none)
        if (myCursor != null) {
            nFiles = myCursor.getCount();

            if (nFiles > 0) {
                if (myCursor.moveToPosition(0)) {
                    if (myCursor.getLong(myCursor.getColumnIndex("isdir")) == 1) {
                        currentDir = myCursor.getString(myCursor.getColumnIndex("filename"));
                        sRet = "";
                    }
                }
            } else {
                sRet = sErrorPrefix + tmpDir + " is not a valid directory";
            }
            myCursor.close();
        }
    } else {
        File tmpFile = new java.io.File(tmpDir);

        if (tmpFile.exists()) {
            try {
                if (tmpFile.isDirectory()) {
                    currentDir = tmpFile.getCanonicalPath();
                    sRet = "";
                } else
                    sRet = sErrorPrefix + tmpDir + " is not a valid directory";
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }

    return (sRet);
}

From source file:com.battlelancer.seriesguide.service.NotificationService.java

@SuppressLint("CommitPrefEdits")
@TargetApi(android.os.Build.VERSION_CODES.KITKAT)
@Override/*from www  .  ja  va2s  . co m*/
protected void onHandleIntent(Intent intent) {
    Timber.d("Waking up...");
    final SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this);

    /*
     * Handle a possible delete intent.
     */
    if (handleDeleteIntent(this, intent)) {
        return;
    }

    /*
     * Unschedule notification service wake-ups for disabled notifications
     * and non-supporters.
     */
    if (!NotificationSettings.isNotificationsEnabled(this) || !Utils.hasAccessToX(this)) {
        Timber.d("Notification service disabled, removing wakup-up alarm");
        // cancel any pending alarm
        AlarmManager am = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
        Intent i = new Intent(this, OnAlarmReceiver.class);
        PendingIntent pi = PendingIntent.getBroadcast(this, 0, i, 0);
        am.cancel(pi);

        resetLastEpisodeAirtime(prefs);

        return;
    }

    long wakeUpTime = 0;

    /*
     * Get pool of episodes which air from 12 hours ago until eternity which
     * match the users settings.
     */
    StringBuilder selection = new StringBuilder(SELECTION);
    boolean isFavsOnly = NotificationSettings.isNotifyAboutFavoritesOnly(this);
    Timber.d("Do notify about " + (isFavsOnly ? "favorites ONLY" : "ALL"));
    if (isFavsOnly) {
        selection.append(" AND ").append(Shows.SELECTION_FAVORITES);
    }
    boolean isNoSpecials = DisplaySettings.isHidingSpecials(this);
    Timber.d("Do " + (isNoSpecials ? "NOT " : "") + "notify about specials");
    if (isNoSpecials) {
        selection.append(" AND ").append(Episodes.SELECTION_NO_SPECIALS);
    }
    // always exclude hidden shows
    selection.append(" AND ").append(Shows.SELECTION_NO_HIDDEN);

    final long customCurrentTime = TimeTools.getCurrentTime(this);
    final Cursor upcomingEpisodes = getContentResolver().query(Episodes.CONTENT_URI_WITHSHOW, PROJECTION,
            selection.toString(),
            new String[] { String.valueOf(customCurrentTime - 12 * DateUtils.HOUR_IN_MILLIS) }, SORTING);

    if (upcomingEpisodes != null) {
        int notificationThreshold = NotificationSettings.getLatestToIncludeTreshold(this);
        if (DEBUG) {
            Timber.d("DEBUG MODE: notification threshold is 1 week");
            // a week, for debugging (use only one show to get single
            // episode notifications)
            notificationThreshold = 10080;
            // notify again for same episodes
            resetLastEpisodeAirtime(prefs);
        }

        final long nextEpisodeReleaseTime = NotificationSettings.getNextToNotifyAbout(this);
        // wake user-defined amount of time earlier than next episode release time
        final long plannedWakeUpTime = TimeTools.getEpisodeReleaseTime(this, nextEpisodeReleaseTime).getTime()
                - DateUtils.MINUTE_IN_MILLIS * notificationThreshold;

        /*
         * Set to -1 as on first run nextTimePlanned will be 0. This assures
         * we still see notifications of upcoming episodes then.
         */
        int newEpisodesAvailable = -1;

        // Check if we did wake up earlier than planned
        if (System.currentTimeMillis() < plannedWakeUpTime) {
            Timber.d("Woke up earlier than planned, checking for new episodes");
            newEpisodesAvailable = 0;
            long latestTimeNotified = NotificationSettings.getLastNotified(this);

            // Check if there are any earlier episodes to notify about
            while (upcomingEpisodes.moveToNext()) {
                final long releaseTime = upcomingEpisodes.getLong(NotificationQuery.EPISODE_FIRST_RELEASE_MS);
                if (releaseTime < nextEpisodeReleaseTime) {
                    if (releaseTime > latestTimeNotified) {
                        /**
                         * This will not get new episodes which would have
                         * aired the same time as the last one we notified
                         * about. Sad, but the best we can do right now.
                         */
                        newEpisodesAvailable = 1;
                        break;
                    }
                } else {
                    break;
                }
            }
        }

        if (newEpisodesAvailable == 0) {
            // Go to sleep, wake up as planned
            Timber.d("No new episodes, going to sleep.");
            wakeUpTime = plannedWakeUpTime;
        } else {
            // Get episodes which are within the notification threshold
            // (user set) and not yet cleared
            final List<Integer> notifyPositions = new ArrayList<>();
            final long latestTimeCleared = NotificationSettings.getLastCleared(this);
            final long latestTimeToInclude = customCurrentTime
                    + DateUtils.MINUTE_IN_MILLIS * notificationThreshold;

            int position = -1;
            upcomingEpisodes.moveToPosition(position);
            while (upcomingEpisodes.moveToNext()) {
                position++;

                final long releaseTime = upcomingEpisodes.getLong(NotificationQuery.EPISODE_FIRST_RELEASE_MS);
                if (releaseTime <= latestTimeToInclude) {
                    /*
                     * Only add those after the last one the user cleared.
                     * At most those of the last 24 hours (see query above).
                     */
                    if (releaseTime > latestTimeCleared) {
                        notifyPositions.add(position);
                    }
                } else {
                    // Too far into the future, stop!
                    break;
                }
            }

            // Notify if we found any episodes
            if (notifyPositions.size() > 0) {
                // store latest air time of all episodes we notified about
                upcomingEpisodes.moveToPosition(notifyPositions.get(notifyPositions.size() - 1));
                long latestAirtime = upcomingEpisodes.getLong(NotificationQuery.EPISODE_FIRST_RELEASE_MS);
                if (!AndroidUtils.isHoneycombOrHigher()) {
                    /*
                     * Everything below HC does not have delete intents, so
                     * we just never notify about the same episode twice.
                     */
                    Timber.d("Delete intent NOT supported, setting last cleared to: " + latestAirtime);
                    prefs.edit().putLong(NotificationSettings.KEY_LAST_CLEARED, latestAirtime).commit();
                }
                Timber.d("Found " + notifyPositions.size() + " new episodes, setting last notified to: "
                        + latestAirtime);
                prefs.edit().putLong(NotificationSettings.KEY_LAST_NOTIFIED, latestAirtime).commit();

                onNotify(upcomingEpisodes, notifyPositions, latestAirtime);
            }

            /*
             * Plan next episode to notify about, calc wake-up alarm as
             * early as user wants.
             */
            upcomingEpisodes.moveToPosition(-1);
            while (upcomingEpisodes.moveToNext()) {
                final long releaseTime = upcomingEpisodes.getLong(NotificationQuery.EPISODE_FIRST_RELEASE_MS);
                if (releaseTime > latestTimeToInclude) {
                    // store next episode we plan to notify about
                    Timber.d("Storing next episode time to notify about: " + releaseTime);
                    prefs.edit().putLong(NotificationSettings.KEY_NEXT_TO_NOTIFY, releaseTime).commit();

                    // calc actual wake up time
                    wakeUpTime = TimeTools.getEpisodeReleaseTime(this, releaseTime).getTime()
                            - DateUtils.MINUTE_IN_MILLIS * notificationThreshold;

                    break;
                }
            }
        }

        upcomingEpisodes.close();
    }

    // Set a default wake-up time if there are no future episodes for now
    if (wakeUpTime <= 0) {
        wakeUpTime = System.currentTimeMillis() + 6 * DateUtils.HOUR_IN_MILLIS;
        Timber.d("No future episodes found, wake up in 6 hours");
    }

    AlarmManager am = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
    Intent i = new Intent(this, NotificationService.class);
    PendingIntent pi = PendingIntent.getService(this, 0, i, 0);
    Timber.d("Going to sleep, setting wake-up alarm to: " + wakeUpTime);
    if (AndroidUtils.isKitKatOrHigher()) {
        am.setExact(AlarmManager.RTC_WAKEUP, wakeUpTime, pi);
    } else {
        am.set(AlarmManager.RTC_WAKEUP, wakeUpTime, pi);
    }
}

From source file:com.mozilla.SUTAgentAndroid.service.DoCommand.java

public String isDirectory(String sDir) {
    String sRet = sErrorPrefix + sDir + " does not exist";
    String tmpDir = fixFileName(sDir);
    int nFiles = 0;

    if (tmpDir.contains("org.mozilla.fennec") || tmpDir.contains("org.mozilla.firefox")) {
        ContentResolver cr = contextWrapper.getContentResolver();
        Uri ffxFiles = Uri/*from  ww  w .j a  v  a2 s  .  c o m*/
                .parse("content://" + (tmpDir.contains("fennec") ? fenProvider : ffxProvider) + "/dir");

        String[] columns = new String[] { "_id", "isdir", "filename", "length" };

        Cursor myCursor = cr.query(ffxFiles, columns, // Which columns to return
                tmpDir, // Which rows to return (all rows)
                null, // Selection arguments (none)
                null); // Order clause (none)
        if (myCursor != null) {
            nFiles = myCursor.getCount();

            // If no entries the dir is empty
            if (nFiles > 0) {
                if (myCursor.moveToPosition(0)) {
                    sRet = ((myCursor.getLong(myCursor.getColumnIndex("isdir")) == 1) ? "TRUE" : "FALSE");
                }
            }
            myCursor.close();
        }
    } else {
        File tmpFile = new java.io.File(tmpDir);

        if (tmpFile.exists()) {
            sRet = (tmpFile.isDirectory() ? "TRUE" : "FALSE");
        } else {
            try {
                pProc = Runtime.getRuntime().exec(this.getSuArgs("ls -l " + sDir));
                RedirOutputThread outThrd = new RedirOutputThread(pProc, null);
                outThrd.start();
                outThrd.joinAndStopRedirect(5000);
                sRet = outThrd.strOutput;
                if (!sRet.contains("No such file or directory") && sRet.startsWith("l"))
                    sRet = "FALSE";
            } catch (IOException e) {
                sRet = e.getMessage();
                e.printStackTrace();
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
        }
    }

    return (sRet);
}

From source file:com.mozilla.SUTAgentAndroid.service.DoCommand.java

public String Cat(String fileName, OutputStream out) {
    String sTmpFileName = fixFileName(fileName);
    String sRet = sErrorPrefix + "Could not read the file " + sTmpFileName;
    byte[] buffer = new byte[4096];
    int nRead = 0;

    if (sTmpFileName.contains("org.mozilla.fennec") || sTmpFileName.contains("org.mozilla.firefox")) {
        ContentResolver cr = contextWrapper.getContentResolver();
        Uri ffxFiles = null;//from  www .j  a v a  2  s.  c  o  m

        ffxFiles = Uri
                .parse("content://" + (sTmpFileName.contains("fennec") ? fenProvider : ffxProvider) + "/file");

        String[] columns = new String[] { "_id", "chunk" };

        Cursor myCursor = cr.query(ffxFiles, columns, // Which columns to return
                sTmpFileName, // Which rows to return (all rows)
                null, // Selection arguments (none)
                null); // Order clause (none)
        if (myCursor != null) {
            int nRows = myCursor.getCount();
            int nBytesRecvd = 0;

            for (int lcv = 0; lcv < nRows; lcv++) {
                if (myCursor.moveToPosition(lcv)) {
                    byte[] buf = myCursor.getBlob(1);
                    if (buf != null) {
                        nBytesRecvd += buf.length;
                        try {
                            out.write(buf);
                            sRet = "";
                        } catch (IOException e) {
                            e.printStackTrace();
                            sRet = sErrorPrefix + "Could not write to out " + sTmpFileName;
                        }
                        buf = null;
                    }
                }
            }
            if (nRows == 0) {
                sRet = "";
            }

            myCursor.close();
        }
    } else {
        try {
            FileInputStream fin = new FileInputStream(sTmpFileName);
            while ((nRead = fin.read(buffer)) != -1) {
                out.write(buffer, 0, nRead);
            }
            fin.close();
            out.flush();
            sRet = "";
        } catch (FileNotFoundException e) {
            sRet = sErrorPrefix + sTmpFileName + " No such file or directory";
        } catch (IOException e) {
            sRet = e.toString();
        }
    }
    return (sRet);
}

From source file:com.mozilla.SUTAgentAndroid.service.DoCommand.java

public String HashFile(String fileName) {
    String sTmpFileName = fixFileName(fileName);
    String sRet = sErrorPrefix + "Couldn't calculate hash for file " + sTmpFileName;
    byte[] buffer = new byte[4096];
    int nRead = 0;
    long lTotalRead = 0;
    MessageDigest digest = null;//from  ww  w.j  a va 2  s .  c o  m

    try {
        digest = java.security.MessageDigest.getInstance("MD5");
    } catch (NoSuchAlgorithmException e) {
        e.printStackTrace();
    }

    if (sTmpFileName.contains("org.mozilla.fennec") || sTmpFileName.contains("org.mozilla.firefox")) {
        ContentResolver cr = contextWrapper.getContentResolver();
        Uri ffxFiles = null;

        ffxFiles = Uri
                .parse("content://" + (sTmpFileName.contains("fennec") ? fenProvider : ffxProvider) + "/file");

        String[] columns = new String[] { "_id", "chunk" };

        Cursor myCursor = cr.query(ffxFiles, columns, // Which columns to return
                sTmpFileName, // Which rows to return (all rows)
                null, // Selection arguments (none)
                null); // Order clause (none)
        if (myCursor != null) {
            int nRows = myCursor.getCount();
            int nBytesRecvd = 0;

            for (int lcv = 0; lcv < nRows; lcv++) {
                if (myCursor.moveToPosition(lcv)) {
                    byte[] buf = myCursor.getBlob(1);
                    if (buf != null) {
                        nBytesRecvd += buf.length;
                        digest.update(buf, 0, buf.length);
                        lTotalRead += nRead;
                        buf = null;
                    }
                }
            }
            myCursor.close();
            byte[] hash = digest.digest();

            sRet = getHex(hash);
        }
    } else {
        try {
            FileInputStream srcFile = new FileInputStream(sTmpFileName);
            while ((nRead = srcFile.read(buffer)) != -1) {
                digest.update(buffer, 0, nRead);
                lTotalRead += nRead;
            }
            srcFile.close();
            byte[] hash = digest.digest();

            sRet = getHex(hash);
        } catch (FileNotFoundException e) {
            sRet += " file not found";
        } catch (IOException e) {
            sRet += " io exception";
            e.printStackTrace();
        }
    }
    return (sRet);
}

From source file:com.mozilla.SUTAgentAndroid.service.DoCommand.java

public String Pull(String fileName, long lOffset, long lLength, OutputStream out) {
    String sTmpFileName = fixFileName(fileName);
    String sRet = sErrorPrefix + "Could not read the file " + sTmpFileName;
    byte[] buffer = new byte[4096];
    int nRead = 0;
    long lSent = 0;

    if (sTmpFileName.contains("org.mozilla.fennec") || sTmpFileName.contains("org.mozilla.firefox")) {
        ContentResolver cr = contextWrapper.getContentResolver();
        Uri ffxFiles = null;//from   w  w w.  j  ava 2  s  . c o m

        ffxFiles = Uri
                .parse("content://" + (sTmpFileName.contains("fennec") ? fenProvider : ffxProvider) + "/file");

        String[] columns = new String[] { "_id", "chunk", "length" };

        String[] args = new String[2];
        args[0] = Long.toString(lOffset);
        args[1] = Long.toString(lLength);

        Cursor myCursor = cr.query(ffxFiles, columns, // Which columns to return
                sTmpFileName, // Which rows to return (all rows)
                args, // Selection arguments (none)
                null); // Order clause (none)
        if (myCursor != null) {
            int nRows = myCursor.getCount();
            long lFileLength = 0;

            for (int lcv = 0; lcv < nRows; lcv++) {
                if (myCursor.moveToPosition(lcv)) {
                    if (lcv == 0) {
                        lFileLength = myCursor.getLong(2);
                        String sTmp = sTmpFileName + "," + lFileLength + "\n";
                        try {
                            out.write(sTmp.getBytes());
                        } catch (IOException e) {
                            e.printStackTrace();
                            break;
                        }
                    }

                    if (lLength != 0) {
                        byte[] buf = myCursor.getBlob(1);
                        if (buf != null) {
                            nRead = buf.length;
                            try {
                                if ((lSent + nRead) <= lFileLength) {
                                    out.write(buf, 0, nRead);
                                    lSent += nRead;
                                } else {
                                    nRead = (int) (lFileLength - lSent);
                                    out.write(buf, 0, nRead);
                                    Log.d("pull warning", "more bytes read than expected");
                                    break;
                                }
                            } catch (IOException e) {
                                e.printStackTrace();
                                sRet = sErrorPrefix + "Could not write to out " + sTmpFileName;
                            }
                            buf = null;
                        }
                    }
                }
            }
            if (nRows == 0) {
                String sTmp = sTmpFileName + "," + lFileLength + "\n";
                try {
                    out.write(sTmp.getBytes());
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
            if (nRows == -1) {
                sRet = sErrorPrefix + sTmpFileName + ",-1\nNo such file or directory";
            } else {
                myCursor.close();
                sRet = "";
            }
        } else {
            sRet = sErrorPrefix + sTmpFileName + ",-1\nUnable to access file (internal error)";
        }
    } else {
        try {
            File f = new File(sTmpFileName);
            long lFileLength = f.length();
            FileInputStream fin = new FileInputStream(f);
            if (lFileLength == 0) {
                while ((nRead = fin.read(buffer)) != -1) {
                    lFileLength += nRead;
                }
                fin.close();
                fin = new FileInputStream(f);
            }

            // lLength == -1 return everything between lOffset and eof
            // lLength == 0 return file length
            // lLength > 0 return lLength bytes
            if (lLength == -1) {
                lFileLength = lFileLength - lOffset;
            } else if (lLength == 0) {
                // just return the file length
            } else {
                lFileLength = ((lLength <= (lFileLength - lOffset)) ? lLength : (lFileLength - lOffset));
            }

            String sTmp = sTmpFileName + "," + lFileLength + "\n";
            out.write(sTmp.getBytes());
            if (lLength != 0) {
                if (lOffset > 0) {
                    fin.skip(lOffset);
                }
                while ((nRead = fin.read(buffer)) != -1) {
                    if ((lSent + nRead) <= lFileLength) {
                        out.write(buffer, 0, nRead);
                        lSent += nRead;
                    } else {
                        nRead = (int) (lFileLength - lSent);
                        out.write(buffer, 0, nRead);
                        if (lLength != -1)
                            Log.d("pull warning", "more bytes read than sent");
                        break;
                    }
                }
            }
            fin.close();
            out.flush();
            sRet = "";
        } catch (FileNotFoundException e) {
            sRet = sErrorPrefix + sTmpFileName + ",-1\nNo such file or directory";
        } catch (IOException e) {
            sRet = e.toString();
        }
    }
    return (sRet);
}