src/java.base/share/classes/sun/util/cldr/CLDRCalendarDataProviderImpl.java

rev 48845 : 8197829: Optimize CLDRCalendarDataProviderImpl::retrieveInteger
Reviewed-by: naoto

*** 95,106 ****
  
          return val;
      }
  
      private static Optional<Integer> retrieveInteger(String src, String region) {
!         return Arrays.stream(src.split(";"))
!             .filter(entry -> entry.contains(region))
!             .map(entry -> entry.substring(0, entry.indexOf(":")))
!             .findAny()
!             .map(Integer::parseInt);
      }
  }
--- 95,107 ----
  
          return val;
      }
  
      private static Optional<Integer> retrieveInteger(String src, String region) {
!         int regionIndex = src.indexOf(region);
!         if (regionIndex >= 0) {
!             int start = src.lastIndexOf(';', regionIndex) + 1;
!             return Optional.of(Integer.parseInt(src, start, src.indexOf(':', start), 10));
!         }
!         return Optional.empty();
      }
  }