protected static String getBucketARN(String bucketName) throws IllegalArgumentException {
        return new StringBuilder().append(S3_ARN_PREFIX).append(bucketName).toString();
    }
Method to return the bucket ARN.

@param bucketName the bucket name to be formulated as ARN
@return the bucket ARN
@throws IllegalArgumentException
src/samples/AmazonKinesisFirehose/AbstractAmazonKinesisFirehoseDelivery.java