private void downloadFromPath()

in storage/app/src/main/java/com/google/firebase/quickstart/firebasestorage/java/MyDownloadService.java [83:138]
40 lines of code
2 McCabe index (conditional complexity)

    private void downloadFromPath(final String downloadPath) {
        Log.d(TAG, "downloadFromPath:" + downloadPath);

        // Mark task started
        taskStarted();
        showProgressNotification(getString(R.string.progress_downloading), 0, 0);

        // Download and get total bytes
        mStorageRef.child(downloadPath).getStream(
                new StreamDownloadTask.StreamProcessor() {
                    @Override
                    public void doInBackground(StreamDownloadTask.TaskSnapshot taskSnapshot,
                                               InputStream inputStream) throws IOException {
                        long totalBytes = taskSnapshot.getTotalByteCount();
                        long bytesDownloaded = 0;

                        byte[] buffer = new byte[1024];
                        int size;

                        while ((size = inputStream.read(buffer)) != -1) {
                            bytesDownloaded += size;
                            showProgressNotification(getString(R.string.progress_downloading),
                                    bytesDownloaded, totalBytes);
                        }

                        // Close the stream at the end of the Task
                        inputStream.close();
                    }
                })
                .addOnSuccessListener(new OnSuccessListener<StreamDownloadTask.TaskSnapshot>() {
                    @Override
                    public void onSuccess(StreamDownloadTask.TaskSnapshot taskSnapshot) {
                        Log.d(TAG, "download:SUCCESS");

                        // Send success broadcast with number of bytes downloaded
                        broadcastDownloadFinished(downloadPath, taskSnapshot.getTotalByteCount());
                        showDownloadFinishedNotification(downloadPath, (int) taskSnapshot.getTotalByteCount());

                        // Mark task completed
                        taskCompleted();
                    }
                })
                .addOnFailureListener(new OnFailureListener() {
                    @Override
                    public void onFailure(@NonNull Exception exception) {
                        Log.w(TAG, "download:FAILURE", exception);

                        // Send failure broadcast
                        broadcastDownloadFinished(downloadPath, -1);
                        showDownloadFinishedNotification(downloadPath, -1);

                        // Mark task completed
                        taskCompleted();
                    }
                });
    }