src/java.base/share/classes/sun/security/x509/X500Name.java

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

*** 863,873 ****
       * This method can parse RFC 1779, 2253 or 4514 DNs and non-standard 5280
       * keywords. Additional keywords can be specified in the keyword/OID map.
       */
      private void parseDN(String input, Map<String, String> keywordMap)
          throws IOException {
!         if (input == null || input.length() == 0) {
              names = new RDN[0];
              return;
          }
  
          List<RDN> dnVector = new ArrayList<>();
--- 863,873 ----
       * This method can parse RFC 1779, 2253 or 4514 DNs and non-standard 5280
       * keywords. Additional keywords can be specified in the keyword/OID map.
       */
      private void parseDN(String input, Map<String, String> keywordMap)
          throws IOException {
!         if (input == null || input.isEmpty()) {
              names = new RDN[0];
              return;
          }
  
          List<RDN> dnVector = new ArrayList<>();
*** 935,945 ****
          Collections.reverse(dnVector);
          names = dnVector.toArray(new RDN[dnVector.size()]);
      }
  
      private void parseRFC2253DN(String dnString) throws IOException {
!         if (dnString.length() == 0) {
              names = new RDN[0];
              return;
           }
  
           List<RDN> dnVector = new ArrayList<>();
--- 935,945 ----
          Collections.reverse(dnVector);
          names = dnVector.toArray(new RDN[dnVector.size()]);
      }
  
      private void parseRFC2253DN(String dnString) throws IOException {
!         if (dnString.isEmpty()) {
              names = new RDN[0];
              return;
           }
  
           List<RDN> dnVector = new ArrayList<>();