public SpannerConnectionConfiguration build()

in cloud-spanner-r2dbc/src/main/java/com/google/cloud/spanner/r2dbc/SpannerConnectionConfiguration.java [359:394]

31 lines of code
5 McCabe index (conditional complexity)


    public SpannerConnectionConfiguration build() {
      try {
        if (this.credentials == null) {
          this.credentials = GoogleCredentials.getApplicationDefault();
        }
      } catch (IOException e) {
        throw new R2dbcNonTransientResourceException(
            "Could not acquire default application credentials", e);
      }

      if (this.fullyQualifiedDatabaseName != null) {
        Matcher matcher = FQDN_PATTERN_PARSE.matcher(this.fullyQualifiedDatabaseName);
        if (matcher.find()) {
          this.projectId = matcher.group(1);
          this.instanceName = matcher.group(2);
          this.databaseName = matcher.group(3);
        } else {
          // should not happen, as database names are pre-validated in the setters.
          throw new IllegalArgumentException(
              "Invalid database name: " + this.fullyQualifiedDatabaseName);
        }
      }

      SpannerConnectionConfiguration configuration = new SpannerConnectionConfiguration(
            this.options, this.projectId, this.instanceName, this.databaseName, this.credentials);

      configuration.partialResultSetFetchSize = this.partialResultSetFetchSize;
      configuration.ddlOperationTimeout = this.ddlOperationTimeout;
      configuration.ddlOperationPollInterval = this.ddlOperationPollInterval;
      configuration.usePlainText = this.usePlainText;
      configuration.optimizerVersion = this.optimizerVersion;
      configuration.readonly = this.readonly;
      configuration.autocommit = this.autocommit;

      return configuration;
    }