public static Configuration getConfiguration()

in seatunnel-datasource/seatunnel-datasource-plugins/datasource-s3redshift/src/main/java/org/apache/seatunnel/datasource/plugin/redshift/s3/HadoopS3AConfiguration.java [42:96]
53 lines of code
8 McCabe index (conditional complexity)

    public static Configuration getConfiguration(Map<String, String> s3Options) {

        if (!s3Options.containsKey(S3RedshiftOptionRule.BUCKET.key())) {
            throw new IllegalArgumentException(
                    "S3Redshift datasource bucket is null, please check your config");
        }
        if (!s3Options.containsKey(S3RedshiftOptionRule.FS_S3A_ENDPOINT.key())) {
            throw new IllegalArgumentException(
                    "S3Redshift datasource endpoint is null, please check your config");
        }
        String bucket = s3Options.get(S3RedshiftOptionRule.BUCKET.key());

        String protocol = DEFAULT_PROTOCOL;
        if (bucket.startsWith(S3A_PROTOCOL)) {
            protocol = S3A_PROTOCOL;
        }
        String fsImpl = protocol.equals(S3A_PROTOCOL) ? HDFS_S3A_IMPL : HDFS_S3N_IMPL;
        Configuration hadoopConf = new Configuration();
        hadoopConf.set(FS_DEFAULT_NAME_KEY, bucket);
        hadoopConf.set(
                S3RedshiftOptionRule.FS_S3A_ENDPOINT.key(),
                s3Options.get(S3RedshiftOptionRule.FS_S3A_ENDPOINT.key()));
        hadoopConf.set(formatKey(protocol, HDFS_IMPL_KEY), fsImpl);
        if (s3Options.containsKey(S3RedshiftOptionRule.HADOOP_S3_PROPERTIES.key())) {
            Arrays.stream(
                            s3Options
                                    .get(S3RedshiftOptionRule.HADOOP_S3_PROPERTIES.key())
                                    .split("\n"))
                    .map(String::trim)
                    .filter(StringUtils::isNotBlank)
                    .forEach(
                            line -> {
                                String[] kv = line.split("=");
                                if (kv.length == 2) {
                                    hadoopConf.set(kv[0].trim(), kv[1].trim());
                                }
                            });
        }
        if (S3RedshiftOptionRule.S3aAwsCredentialsProvider.SimpleAWSCredentialsProvider
                .getProvider()
                .equals(s3Options.get(S3RedshiftOptionRule.S3A_AWS_CREDENTIALS_PROVIDER.key()))) {
            hadoopConf.set(
                    S3RedshiftOptionRule.S3A_AWS_CREDENTIALS_PROVIDER.key(),
                    s3Options.get(S3RedshiftOptionRule.S3A_AWS_CREDENTIALS_PROVIDER.key()));
            hadoopConf.set(
                    "fs.s3a.access.key", s3Options.get(S3RedshiftOptionRule.ACCESS_KEY.key()));
            hadoopConf.set(
                    "fs.s3a.secret.key", s3Options.get(S3RedshiftOptionRule.SECRET_KEY.key()));
        } else {
            hadoopConf.set(
                    S3RedshiftOptionRule.S3A_AWS_CREDENTIALS_PROVIDER.key(),
                    s3Options.get(S3RedshiftOptionRule.S3A_AWS_CREDENTIALS_PROVIDER.key()));
        }
        return hadoopConf;
    }