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

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

*** 458,468 ****
                throw new
                 IllegalArgumentException("invalid host wildcard specification");
              }
              return;
          } else {
!             if (host.length() > 0) {
                  // see if we are being initialized with an IP address.
                  char ch = host.charAt(0);
                  if (ch == ':' || Character.digit(ch, 16) != -1) {
                      byte ip[] = IPAddressUtil.textToNumericFormatV4(host);
                      if (ip == null) {
--- 458,468 ----
                throw new
                 IllegalArgumentException("invalid host wildcard specification");
              }
              return;
          } else {
!             if (!host.isEmpty()) {
                  // see if we are being initialized with an IP address.
                  char ch = host.charAt(0);
                  if (ch == ':' || Character.digit(ch, 16) != -1) {
                      byte ip[] = IPAddressUtil.textToNumericFormatV4(host);
                      if (ip == null) {
*** 703,714 ****
              hdomain = RegisteredDomain.from(b)
                                        .map(RegisteredDomain::name)
                                        .orElse(b);
          }
  
!         return cdomain.length() != 0 && hdomain.length() != 0
!                         && cdomain.equals(hdomain);
      }
  
      private boolean authorized(String cname, byte[] addr) {
          if (addr.length == 4)
              return authorizedIPv4(cname, addr);
--- 703,713 ----
              hdomain = RegisteredDomain.from(b)
                                        .map(RegisteredDomain::name)
                                        .orElse(b);
          }
  
!         return !cdomain.isEmpty() && !hdomain.isEmpty() && cdomain.equals(hdomain);
      }
  
      private boolean authorized(String cname, byte[] addr) {
          if (addr.length == 4)
              return authorizedIPv4(cname, addr);