src/java.base/share/classes/java/net/Inet6Address.java

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

*** 431,441 ****
       */
      public static Inet6Address getByAddress(String host, byte[] addr,
                                              NetworkInterface nif)
          throws UnknownHostException
      {
!         if (host != null && host.length() > 0 && host.charAt(0) == '[') {
              if (host.charAt(host.length()-1) == ']') {
                  host = host.substring(1, host.length() -1);
              }
          }
          if (addr != null) {
--- 431,441 ----
       */
      public static Inet6Address getByAddress(String host, byte[] addr,
                                              NetworkInterface nif)
          throws UnknownHostException
      {
!         if (host != null && !host.isEmpty() && host.charAt(0) == '[') {
              if (host.charAt(host.length()-1) == ']') {
                  host = host.substring(1, host.length() -1);
              }
          }
          if (addr != null) {
*** 464,474 ****
       */
      public static Inet6Address getByAddress(String host, byte[] addr,
                                              int scope_id)
          throws UnknownHostException
      {
!         if (host != null && host.length() > 0 && host.charAt(0) == '[') {
              if (host.charAt(host.length()-1) == ']') {
                  host = host.substring(1, host.length() -1);
              }
          }
          if (addr != null) {
--- 464,474 ----
       */
      public static Inet6Address getByAddress(String host, byte[] addr,
                                              int scope_id)
          throws UnknownHostException
      {
!         if (host != null && !host.isEmpty() && host.charAt(0) == '[') {
              if (host.charAt(host.length()-1) == ']') {
                  host = host.substring(1, host.length() -1);
              }
          }
          if (addr != null) {
*** 599,609 ****
          int scope_id = gf.get("scope_id", -1);
          boolean scope_id_set = gf.get("scope_id_set", false);
          boolean scope_ifname_set = gf.get("scope_ifname_set", false);
          String ifname = (String)gf.get("ifname", null);
  
!         if (ifname != null && !"".equals (ifname)) {
              try {
                  scope_ifname = NetworkInterface.getByName(ifname);
                  if (scope_ifname == null) {
                      /* the interface does not exist on this system, so we clear
                       * the scope information completely */
--- 599,609 ----
          int scope_id = gf.get("scope_id", -1);
          boolean scope_id_set = gf.get("scope_id_set", false);
          boolean scope_ifname_set = gf.get("scope_ifname_set", false);
          String ifname = (String)gf.get("ifname", null);
  
!         if (ifname != null && !ifname.isEmpty()) {
              try {
                  scope_ifname = NetworkInterface.getByName(ifname);
                  if (scope_ifname == null) {
                      /* the interface does not exist on this system, so we clear
                       * the scope information completely */