code: public boolean parseJwk(String keyText, FileInputStream inputStream, JWKSet jwkset, String signatureAlgorithm) {
          boolean bJwk = false;
  
          if (keyText != null) {
              bJwk = parseKeyText(keyText, locationUsed, jwkset, signatureAlgorithm);
          } else if (inputStream != null) {
              String keyAsString = getKeyAsString(inputStream);
              bJwk = parseKeyText(keyAsString, locationUsed, jwkset, signatureAlgorithm);
          }
  
          return bJwk;
      }
docs: separate to be an independent method for unit tests