public LivyClient build()

in api/src/main/java/org/apache/livy/LivyClientBuilder.java [123:171]
42 lines of code
11 McCabe index (conditional complexity)

  public LivyClient build() {
    String uriStr = config.getProperty(LIVY_URI_KEY);
    if (uriStr == null) {
      throw new IllegalArgumentException("URI must be provided.");
    }
    URI uri;
    try {
      uri = new URI(uriStr);
    } catch (URISyntaxException e) {
      throw new IllegalArgumentException("Invalid URI.", e);
    }

    LivyClient client = null;
    if (CLIENT_FACTORIES.isEmpty()) {
      throw new IllegalStateException("No LivyClientFactory implementation was found.");
    }

    for (LivyClientFactory factory : CLIENT_FACTORIES) {
      try {
        client = factory.createClient(uri, config);
      } catch (Exception e) {
        if (!(e instanceof RuntimeException)) {
          e = new RuntimeException(e);
        }
        throw (RuntimeException) e;
      }
      if (client != null) {
        break;
      }
    }

    if (client == null) {
      // Redact any user information from the URI when throwing user-visible exceptions that might
      // be logged.
      if (uri.getUserInfo() != null) {
        try {
          uri = new URI(uri.getScheme(), "[redacted]", uri.getHost(), uri.getPort(), uri.getPath(),
            uri.getQuery(), uri.getFragment());
        } catch (URISyntaxException e) {
          // Shouldn't really happen.
          throw new RuntimeException(e);
        }
      }

      throw new IllegalArgumentException(String.format(
        "URI '%s' is not supported by any registered client factories.", uri));
    }
    return client;
  }