src/java.base/share/classes/sun/security/jca/ProviderList.java

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

*** 173,183 ****
          String entry;
          int i = 1;
  
          while ((entry = Security.getProperty("security.provider." + i)) != null) {
              entry = entry.trim();
!             if (entry.length() == 0) {
                  System.err.println("invalid entry for " +
                                     "security.provider." + i);
                  break;
              }
              int k = entry.indexOf(' ');
--- 173,183 ----
          String entry;
          int i = 1;
  
          while ((entry = Security.getProperty("security.provider." + i)) != null) {
              entry = entry.trim();
!             if (entry.isEmpty()) {
                  System.err.println("invalid entry for " +
                                     "security.provider." + i);
                  break;
              }
              int k = entry.indexOf(' ');
*** 198,208 ****
          }
          configs = configList.toArray(PC0);
  
          // Load config entries for use when getInstance is called
          entry = Security.getProperty("jdk.security.provider.preferred");
!         if (entry != null && (entry = entry.trim()).length() > 0) {
              String[] entries = entry.split(",");
              if (ProviderList.preferredPropList == null) {
                  ProviderList.preferredPropList = new PreferredList();
              }
  
--- 198,208 ----
          }
          configs = configList.toArray(PC0);
  
          // Load config entries for use when getInstance is called
          entry = Security.getProperty("jdk.security.provider.preferred");
!         if (entry != null && !(entry = entry.trim()).isEmpty()) {
              String[] entries = entry.split(",");
              if (ProviderList.preferredPropList == null) {
                  ProviderList.preferredPropList = new PreferredList();
              }