protected void beginPartUpload()

in src/main/java/software/amazon/encryption/s3/internal/MultipartUploadMaterials.java [98:117]

20 lines of code
4 McCabe index (conditional complexity)


    protected void beginPartUpload(final int nextPartNumber, final long partContentLength) {
        if (nextPartNumber < 1)
            throw new IllegalArgumentException("part number must be at least 1");
        if (partUploadInProgress) {
            throw new S3EncryptionClientException(
                    "Parts are required to be uploaded in series");
        }
        synchronized (this) {
            if (nextPartNumber - partNumber <= 1) {
                partNumber = nextPartNumber;
                partUploadInProgress = true;
                incrementPlaintextSize(partContentLength);
            } else {
                throw new S3EncryptionClientException(
                        "Parts are required to be uploaded in series (partNumber="
                                + partNumber + ", nextPartNumber="
                                + nextPartNumber + ")");
            }
        }
    }