src/java.base/share/classes/javax/crypto/Cipher.java

rev 52979 : 8215281: Use String.isEmpty() when applicable in java.base
Reviewed-by: TBD

*** 339,349 ****
              }
          } catch (NoSuchElementException e) {
              throw new NoSuchAlgorithmException("Invalid transformation " +
                                             "format:" + transformation);
          }
!         if ((parts[0] == null) || (parts[0].length() == 0)) {
              throw new NoSuchAlgorithmException("Invalid transformation:" +
                                     "algorithm not specified-"
                                     + transformation);
          }
          return parts;
--- 339,349 ----
              }
          } catch (NoSuchElementException e) {
              throw new NoSuchAlgorithmException("Invalid transformation " +
                                             "format:" + transformation);
          }
!         if ((parts[0] == null) || (parts[0].isEmpty())) {
              throw new NoSuchAlgorithmException("Invalid transformation:" +
                                     "algorithm not specified-"
                                     + transformation);
          }
          return parts;
*** 443,456 ****
          String[] parts = tokenizeTransformation(transformation);
  
          String alg = parts[0];
          String mode = parts[1];
          String pad = parts[2];
!         if ((mode != null) && (mode.length() == 0)) {
              mode = null;
          }
!         if ((pad != null) && (pad.length() == 0)) {
              pad = null;
          }
  
          if ((mode == null) && (pad == null)) {
              // AES
--- 443,456 ----
          String[] parts = tokenizeTransformation(transformation);
  
          String alg = parts[0];
          String mode = parts[1];
          String pad = parts[2];
!         if ((mode != null) && (mode.isEmpty())) {
              mode = null;
          }
!         if ((pad != null) && (pad.isEmpty())) {
              pad = null;
          }
  
          if ((mode == null) && (pad == null)) {
              // AES
*** 632,642 ****
              NoSuchPaddingException
      {
          if ((transformation == null) || transformation.isEmpty()) {
              throw new NoSuchAlgorithmException("Null or empty transformation");
          }
!         if ((provider == null) || (provider.length() == 0)) {
              throw new IllegalArgumentException("Missing provider");
          }
          Provider p = Security.getProvider(provider);
          if (p == null) {
              throw new NoSuchProviderException("No such provider: " +
--- 632,642 ----
              NoSuchPaddingException
      {
          if ((transformation == null) || transformation.isEmpty()) {
              throw new NoSuchAlgorithmException("Null or empty transformation");
          }
!         if ((provider == null) || (provider.isEmpty())) {
              throw new IllegalArgumentException("Missing provider");
          }
          Provider p = Security.getProvider(provider);
          if (p == null) {
              throw new NoSuchProviderException("No such provider: " +