src/java.base/share/classes/java/net/URLPermission.java

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

*** 407,417 ****
          StringBuilder b = new StringBuilder();
          for (int i=0; i<methods.length(); i++) {
              char c = methods.charAt(i);
              if (c == ',') {
                  String s = b.toString();
!                 if (s.length() > 0)
                      l.add(s);
                  b = new StringBuilder();
              } else if (c == ' ' || c == '\t') {
                  throw new IllegalArgumentException(
                      "White space not allowed in methods: \"" + methods + "\"");
--- 407,417 ----
          StringBuilder b = new StringBuilder();
          for (int i=0; i<methods.length(); i++) {
              char c = methods.charAt(i);
              if (c == ',') {
                  String s = b.toString();
!                 if (!s.isEmpty())
                      l.add(s);
                  b = new StringBuilder();
              } else if (c == ' ' || c == '\t') {
                  throw new IllegalArgumentException(
                      "White space not allowed in methods: \"" + methods + "\"");
*** 421,431 ****
                  }
                  b.append(c);
              }
          }
          String s = b.toString();
!         if (s.length() > 0)
              l.add(s);
          return l;
      }
  
      private List<String> normalizeHeaders(String headers) {
--- 421,431 ----
                  }
                  b.append(c);
              }
          }
          String s = b.toString();
!         if (!s.isEmpty())
              l.add(s);
          return l;
      }
  
      private List<String> normalizeHeaders(String headers) {
*** 446,466 ****
              } else if (c == '-') {
                      capitalizeNext = true;
                  b.append(c);
              } else if (c == ',') {
                  String s = b.toString();
!                 if (s.length() > 0)
                      l.add(s);
                  b = new StringBuilder();
                  capitalizeNext = true;
              } else {
                  capitalizeNext = false;
                  b.append(c);
              }
          }
          String s = b.toString();
!         if (s.length() > 0)
              l.add(s);
          return l;
      }
  
      private void parseURI(String url) {
--- 446,466 ----
              } else if (c == '-') {
                      capitalizeNext = true;
                  b.append(c);
              } else if (c == ',') {
                  String s = b.toString();
!                 if (!s.isEmpty())
                      l.add(s);
                  b = new StringBuilder();
                  capitalizeNext = true;
              } else {
                  capitalizeNext = false;
                  b.append(c);
              }
          }
          String s = b.toString();
!         if (!s.isEmpty())
              l.add(s);
          return l;
      }
  
      private void parseURI(String url) {