src/java.naming/share/classes/com/sun/jndi/ldap/Filter.java

rev 52881 : 8214971: Replace use of string.equals("") with isEmpty()

@@ -51,11 +51,11 @@
      * into the supplied BER buffer
      */
     static void encodeFilterString(BerEncoder ber, String filterStr,
         boolean isLdapv3) throws IOException, NamingException {
 
-        if ((filterStr == null) || (filterStr.equals(""))) {
+        if ((filterStr == null) || (filterStr.isEmpty())) {
             throw new InvalidSearchFilterException("Empty filter");
         }
         byte[] filter;
         int filterLen;
         if (isLdapv3) {