Examples with FastXmlSerializer com.android.internal.util.FastXmlSerializer used on opensource projects

Example 36 with FastXmlSerializer

use of com.android.internal.util.FastXmlSerializer in project android_frameworks_base by ResurrectionRemix.

the class ShortcutService method saveBaseStateLocked.

@VisibleForTesting
void saveBaseStateLocked() {
    final AtomicFile file = getBaseStateFile();
    if (DEBUG) {
        Slog.d(TAG, "Saving to " + file.getBaseFile());
    }
    FileOutputStream outs = null;
    try {
        outs = file.startWrite();
        // Write to XML
        XmlSerializer out = new FastXmlSerializer();
        out.setOutput(outs, StandardCharsets.UTF_8.name());
        out.startDocument(null, true);
        out.startTag(null, TAG_ROOT);
        // Body.
        writeTagValue(out, TAG_LAST_RESET_TIME, mRawLastResetTime);
        // Epilogue.
        out.endTag(null, TAG_ROOT);
        out.endDocument();
        // Close.
        file.finishWrite(outs);
    } catch (IOException e) {
        Slog.e(TAG, "Failed to write to file " + file.getBaseFile(), e);
        file.failWrite(outs);
    }
}

Example 37 with FastXmlSerializer

use of com.android.internal.util.FastXmlSerializer in project android_frameworks_base by ResurrectionRemix.

the class UserManagerService method writeUserListLP.

/*
     * Writes the user list file in this format:
     *
     * <users nextSerialNumber="3">
     *   <user id="0"></user>
     *   <user id="2"></user>
     * </users>
     */
private void writeUserListLP() {
    if (DBG) {
        debug("writeUserList");
    }
    FileOutputStream fos = null;
    AtomicFile userListFile = new AtomicFile(mUserListFile);
    try {
        fos = userListFile.startWrite();
        final BufferedOutputStream bos = new BufferedOutputStream(fos);
        // XmlSerializer serializer = XmlUtils.serializerInstance();
        final XmlSerializer serializer = new FastXmlSerializer();
        serializer.setOutput(bos, StandardCharsets.UTF_8.name());
        serializer.startDocument(null, true);
        serializer.setFeature("http://xmlpull.org/v1/doc/features.html#indent-output", true);
        serializer.startTag(null, TAG_USERS);
        serializer.attribute(null, ATTR_NEXT_SERIAL_NO, Integer.toString(mNextSerialNumber));
        serializer.attribute(null, ATTR_USER_VERSION, Integer.toString(mUserVersion));
        serializer.startTag(null, TAG_GUEST_RESTRICTIONS);
        synchronized (mGuestRestrictions) {
            UserRestrictionsUtils.writeRestrictions(serializer, mGuestRestrictions, TAG_RESTRICTIONS);
        }
        serializer.endTag(null, TAG_GUEST_RESTRICTIONS);
        synchronized (mRestrictionsLock) {
            UserRestrictionsUtils.writeRestrictions(serializer, mDevicePolicyGlobalUserRestrictions, TAG_DEVICE_POLICY_RESTRICTIONS);
        }
        serializer.startTag(null, TAG_GLOBAL_RESTRICTION_OWNER_ID);
        serializer.attribute(null, ATTR_ID, Integer.toString(mGlobalRestrictionOwnerUserId));
        serializer.endTag(null, TAG_GLOBAL_RESTRICTION_OWNER_ID);
        int[] userIdsToWrite;
        synchronized (mUsersLock) {
            userIdsToWrite = new int[mUsers.size()];
            for (int i = 0; i < userIdsToWrite.length; i++) {
                UserInfo user = mUsers.valueAt(i).info;
                userIdsToWrite[i] = user.id;
            }
        }
        for (int id : userIdsToWrite) {
            serializer.startTag(null, TAG_USER);
            serializer.attribute(null, ATTR_ID, Integer.toString(id));
            serializer.endTag(null, TAG_USER);
        }
        serializer.endTag(null, TAG_USERS);
        serializer.endDocument();
        userListFile.finishWrite(fos);
    } catch (Exception e) {
        userListFile.failWrite(fos);
        Slog.e(LOG_TAG, "Error writing user list");
    }
}

Example 38 with FastXmlSerializer

use of com.android.internal.util.FastXmlSerializer in project android_frameworks_base by ResurrectionRemix.

the class PersistentDataStore method save.

private void save() {
    final FileOutputStream os;
    try {
        os = mAtomicFile.startWrite();
        boolean success = false;
        try {
            XmlSerializer serializer = new FastXmlSerializer();
            serializer.setOutput(new BufferedOutputStream(os), StandardCharsets.UTF_8.name());
            saveToXml(serializer);
            serializer.flush();
            success = true;
        } finally {
            if (success) {
                mAtomicFile.finishWrite(os);
                broadcastChangesIfNeeded();
            } else {
                mAtomicFile.failWrite(os);
            }
        }
    } catch (IOException ex) {
        Slog.w(TAG, "Failed to save tv input manager persistent store data.", ex);
    }
}

Example 39 with FastXmlSerializer

use of com.android.internal.util.FastXmlSerializer in project android_frameworks_base by ResurrectionRemix.

the class WallpaperManagerService method saveSettingsLocked.

private void saveSettingsLocked(int userId) {
    JournaledFile journal = makeJournaledFile(userId);
    FileOutputStream fstream = null;
    BufferedOutputStream stream = null;
    try {
        XmlSerializer out = new FastXmlSerializer();
        fstream = new FileOutputStream(journal.chooseForWrite(), false);
        stream = new BufferedOutputStream(fstream);
        out.setOutput(stream, StandardCharsets.UTF_8.name());
        out.startDocument(null, true);
        WallpaperData wallpaper;
        wallpaper = mWallpaperMap.get(userId);
        if (wallpaper != null) {
            writeWallpaperAttributes(out, "wp", wallpaper);
        }
        wallpaper = mLockWallpaperMap.get(userId);
        if (wallpaper != null) {
            writeWallpaperAttributes(out, "kwp", wallpaper);
        }
        out.endDocument();
        // also flushes fstream
        stream.flush();
        FileUtils.sync(fstream);
        // also closes fstream
        stream.close();
        journal.commit();
    } catch (IOException e) {
        IoUtils.closeQuietly(stream);
        journal.rollback();
    }
}

Example 40 with FastXmlSerializer

use of com.android.internal.util.FastXmlSerializer in project android_frameworks_base by ResurrectionRemix.

the class AccountManagerBackupHelper method backupAccountAccessPermissions.

public byte[] backupAccountAccessPermissions(int userId) {
    final AccountManagerService.UserAccounts accounts = mAccountManagerService.getUserAccounts(userId);
    synchronized (accounts.cacheLock) {
        SQLiteDatabase db = accounts.openHelper.getReadableDatabase();
        try (Cursor cursor = db.rawQuery(ACCOUNT_ACCESS_GRANTS, null)) {
            if (cursor == null || !cursor.moveToFirst()) {
                return null;
            }
            final int nameColumnIdx = cursor.getColumnIndex(AccountManagerService.ACCOUNTS_NAME);
            final int uidColumnIdx = cursor.getColumnIndex(AccountManagerService.GRANTS_GRANTEE_UID);
            ByteArrayOutputStream dataStream = new ByteArrayOutputStream();
            try {
                final XmlSerializer serializer = new FastXmlSerializer();
                serializer.setOutput(dataStream, StandardCharsets.UTF_8.name());
                serializer.startDocument(null, true);
                serializer.startTag(null, TAG_PERMISSIONS);
                PackageManager packageManager = mAccountManagerService.mContext.getPackageManager();
                do {
                    final String accountName = cursor.getString(nameColumnIdx);
                    final int uid = cursor.getInt(uidColumnIdx);
                    final String[] packageNames = packageManager.getPackagesForUid(uid);
                    if (packageNames == null) {
                        continue;
                    }
                    for (String packageName : packageNames) {
                        String digest = PackageUtils.computePackageCertSha256Digest(packageManager, packageName, userId);
                        if (digest != null) {
                            serializer.startTag(null, TAG_PERMISSION);
                            serializer.attribute(null, ATTR_ACCOUNT_SHA_256, PackageUtils.computeSha256Digest(accountName.getBytes()));
                            serializer.attribute(null, ATTR_PACKAGE, packageName);
                            serializer.attribute(null, ATTR_DIGEST, digest);
                            serializer.endTag(null, TAG_PERMISSION);
                        }
                    }
                } while (cursor.moveToNext());
                serializer.endTag(null, TAG_PERMISSIONS);
                serializer.endDocument();
                serializer.flush();
            } catch (IOException e) {
                Log.e(TAG, "Error backing up account access grants", e);
                return null;
            }
            return dataStream.toByteArray();
        }
    }
}