src/java.base/share/classes/java/security/AlgorithmParameterGenerator.java

rev 51919 : 8215281: Use String.isEmpty() when applicable in java.base
Reviewed-by: dfuchs, alanb

*** 226,236 ****
      public static AlgorithmParameterGenerator getInstance(String algorithm,
                                                            String provider)
          throws NoSuchAlgorithmException, NoSuchProviderException
      {
          Objects.requireNonNull(algorithm, "null algorithm name");
!         if (provider == null || provider.length() == 0)
              throw new IllegalArgumentException("missing provider");
          Object[] objs = Security.getImpl(algorithm,
                                           "AlgorithmParameterGenerator",
                                           provider);
          return new AlgorithmParameterGenerator
--- 226,236 ----
      public static AlgorithmParameterGenerator getInstance(String algorithm,
                                                            String provider)
          throws NoSuchAlgorithmException, NoSuchProviderException
      {
          Objects.requireNonNull(algorithm, "null algorithm name");
!         if (provider == null || provider.isEmpty())
              throw new IllegalArgumentException("missing provider");
          Object[] objs = Security.getImpl(algorithm,
                                           "AlgorithmParameterGenerator",
                                           provider);
          return new AlgorithmParameterGenerator