private void initAuthType()

in java/com/google/gerrit/pgm/init/InitAuth.java [74:159]
80 lines of code
29 McCabe index (conditional complexity)

  private void initAuthType() {
    AuthType authType =
        auth.select(
            "Authentication method",
            "type",
            flags.dev ? AuthType.DEVELOPMENT_BECOME_ANY_ACCOUNT : AuthType.OPENID);
    switch (authType) {
      case HTTP:
      case HTTP_LDAP:
        {
          String hdr = auth.get("httpHeader");
          if (ui.yesno(hdr != null, "Get username from custom HTTP header")) {
            auth.string("Username HTTP header", "httpHeader", "SM_USER");
          } else if (hdr != null) {
            auth.unset("httpHeader");
          }
          auth.string("SSO logout URL", "logoutUrl", null);
          break;
        }

      case LDAP:
        {
          auth.select(
              "Git/HTTP authentication",
              "gitBasicAuthPolicy",
              HTTP,
              EnumSet.of(HTTP, HTTP_LDAP, LDAP));
          break;
        }
      case OAUTH:
        {
          GitBasicAuthPolicy gitBasicAuth =
              auth.select(
                  "Git/HTTP authentication", "gitBasicAuthPolicy", HTTP, EnumSet.of(HTTP, OAUTH));

          if (gitBasicAuth == OAUTH) {
            ui.message(
                "*WARNING* Please make sure that your chosen OAuth provider\n"
                    + "supports Git token authentication.\n");
          }
          break;
        }
      case CLIENT_SSL_CERT_LDAP:
      case CUSTOM_EXTENSION:
      case DEVELOPMENT_BECOME_ANY_ACCOUNT:
      case LDAP_BIND:
      case OPENID:
      case OPENID_SSO:
        break;
    }

    switch (authType) {
      case LDAP:
      case LDAP_BIND:
      case HTTP_LDAP:
        {
          String server = ldap.string("LDAP server", "server", "ldap://localhost");
          if (server != null //
              && !server.startsWith("ldap://") //
              && !server.startsWith("ldaps://")) {
            if (ui.yesno(false, "Use SSL")) {
              server = "ldaps://" + server;
            } else {
              server = "ldap://" + server;
            }
            ldap.set("server", server);
          }

          ldap.string("LDAP username", "username", null);
          ldap.password("username", "password");

          String aBase = ldap.string("Account BaseDN", "accountBase", dnOf(server));
          ldap.string("Group BaseDN", "groupBase", aBase);
          break;
        }

      case CLIENT_SSL_CERT_LDAP:
      case CUSTOM_EXTENSION:
      case DEVELOPMENT_BECOME_ANY_ACCOUNT:
      case HTTP:
      case OAUTH:
      case OPENID:
      case OPENID_SSO:
        break;
    }
  }