public static void uploadRawAudio()

in src/main/java/com/amazonaws/kvstranscribestreaming/utils/AudioUtils.java [51:92]
33 lines of code
5 McCabe index (conditional complexity)

    public static void uploadRawAudio(Regions region, String bucketName, String keyPrefix, String audioFilePath, String transactionId, String startTime, boolean publicReadAcl, AWSCredentialsProvider awsCredentials) {
        File wavFile = null;
        try {

            AmazonS3 s3Client = AmazonS3ClientBuilder.standard()
                    .withRegion(region)
                    .withCredentials(awsCredentials)
                    .build();

            wavFile = convertToWav(audioFilePath);

            // upload the raw audio file to the designated S3 location
            String objectKey = keyPrefix + wavFile.getName();

            logger.info(String.format("Uploading Audio: to %s/%s from %s", bucketName, objectKey, wavFile));
            PutObjectRequest request = new PutObjectRequest(bucketName, objectKey, wavFile);
            ObjectMetadata metadata = new ObjectMetadata();
            metadata.setContentType("audio/wav");
            metadata.addUserMetadata("transactionId", transactionId);
            metadata.addUserMetadata("startTime", startTime);
            request.setMetadata(metadata);

            if (publicReadAcl) {
                request.setCannedAcl(CannedAccessControlList.PublicRead);
            }

            s3Client.putObject(request);

            logger.info("putObject completed successfully for S3 key " + objectKey);

        } catch (SdkClientException e) {
            logger.error("Audio upload to S3 failed: ", e);
            throw e;
        } catch (UnsupportedAudioFileException|IOException e) {
            logger.error("Failed to convert to wav: ", e);
        }
        finally {
            if (wavFile != null) {
                wavFile.delete();
            }
        }
    }