Examples with Base64OutputStream android.util.Base64OutputStream used on opensource projects

Example 6 with Base64OutputStream

use of android.util.Base64OutputStream in project Conversations by siacs.

the class FileBackend method getStoredPepAvatar.

public Avatar getStoredPepAvatar(String hash) {
    if (hash == null) {
        return null;
    }
    Avatar avatar = new Avatar();
    final File file = getAvatarFile(hash);
    FileInputStream is = null;
    try {
        avatar.size = file.length();
        BitmapFactory.Options options = new BitmapFactory.Options();
        options.inJustDecodeBounds = true;
        BitmapFactory.decodeFile(file.getAbsolutePath(), options);
        is = new FileInputStream(file);
        ByteArrayOutputStream mByteArrayOutputStream = new ByteArrayOutputStream();
        Base64OutputStream mBase64OutputStream = new Base64OutputStream(mByteArrayOutputStream, Base64.DEFAULT);
        MessageDigest digest = MessageDigest.getInstance("SHA-1");
        DigestOutputStream os = new DigestOutputStream(mBase64OutputStream, digest);
        byte[] buffer = new byte[4096];
        int length;
        while ((length = is.read(buffer)) > 0) {
            os.write(buffer, 0, length);
        }
        os.flush();
        os.close();
        avatar.sha1sum = CryptoHelper.bytesToHex(digest.digest());
        avatar.image = new String(mByteArrayOutputStream.toByteArray());
        avatar.height = options.outHeight;
        avatar.width = options.outWidth;
        avatar.type = options.outMimeType;
        return avatar;
    } catch (NoSuchAlgorithmException | IOException e) {
        return null;
    } finally {
        close(is);
    }
}

Example 7 with Base64OutputStream

use of android.util.Base64OutputStream in project Pix-Art-Messenger by kriztan.

the class FileBackend method getPepAvatar.

private Avatar getPepAvatar(Bitmap bitmap, Bitmap.CompressFormat format, int quality) {
    try {
        ByteArrayOutputStream mByteArrayOutputStream = new ByteArrayOutputStream();
        Base64OutputStream mBase64OutputStream = new Base64OutputStream(mByteArrayOutputStream, Base64.DEFAULT);
        MessageDigest digest = MessageDigest.getInstance("SHA-1");
        DigestOutputStream mDigestOutputStream = new DigestOutputStream(mBase64OutputStream, digest);
        if (!bitmap.compress(format, quality, mDigestOutputStream)) {
            return null;
        }
        mDigestOutputStream.flush();
        mDigestOutputStream.close();
        long chars = mByteArrayOutputStream.size();
        if (format != Bitmap.CompressFormat.PNG && quality >= 50 && chars >= Config.AVATAR_CHAR_LIMIT) {
            int q = quality - 2;
            Log.d(Config.LOGTAG, "avatar char length was " + chars + " reducing quality to " + q);
            return getPepAvatar(bitmap, format, q);
        }
        Log.d(Config.LOGTAG, "settled on char length " + chars + " with quality=" + quality);
        final Avatar avatar = new Avatar();
        avatar.sha1sum = CryptoHelper.bytesToHex(digest.digest());
        avatar.image = new String(mByteArrayOutputStream.toByteArray());
        if (format.equals(Bitmap.CompressFormat.WEBP)) {
            avatar.type = "image/webp";
        } else if (format.equals(Bitmap.CompressFormat.JPEG)) {
            avatar.type = "image/jpeg";
        } else if (format.equals(Bitmap.CompressFormat.PNG)) {
            avatar.type = "image/png";
        }
        avatar.width = bitmap.getWidth();
        avatar.height = bitmap.getHeight();
        return avatar;
    } catch (Exception e) {
        return null;
    }
}

Example 8 with Base64OutputStream

use of android.util.Base64OutputStream in project stetho by facebook.

the class ResponseBodyFileManager method openResponseBodyFile.

public OutputStream openResponseBodyFile(String requestId, boolean base64Encode) throws IOException {
    OutputStream out = mContext.openFileOutput(getFilename(requestId), Context.MODE_PRIVATE);
    out.write(base64Encode ? 1 : 0);
    if (base64Encode) {
        return new Base64OutputStream(out, Base64.DEFAULT);
    } else {
        return out;
    }
}

Example 9 with Base64OutputStream

use of android.util.Base64OutputStream in project android_packages_apps_Dialer by LineageOS.

the class BinaryTempFileBody method writeTo.

@Override
public void writeTo(OutputStream out) throws IOException, MessagingException {
    InputStream in = getInputStream();
    Base64OutputStream base64Out = new Base64OutputStream(out, Base64.CRLF | Base64.NO_CLOSE);
    IOUtils.copy(in, base64Out);
    base64Out.close();
    file.delete();
    in.close();
}