src/jdk.naming.dns/share/classes/sun/net/spi/nameservice/dns/DNSNameService.java

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rev 10521 : 8055723[core]: Replace concat String to append in StringBuilder parameters
Contributed-by: Otavio Santana <otaviojava@java.net>


 446                     results = resolve(ctx, ip6lit, ids, 0);
 447                     host = results.get(0);
 448                 }
 449             }
 450         } catch (Exception e) {
 451             throw new UnknownHostException(e.getMessage());
 452         }
 453         // Either we couldn't find it or the address was neither IPv4 or IPv6
 454         if (host == null)
 455             throw new UnknownHostException();
 456         // remove trailing dot
 457         if (host.endsWith(".")) {
 458             host = host.substring(0, host.length() - 1);
 459         }
 460         return host;
 461     }
 462 
 463 
 464     // ---------
 465 
 466     private static void appendIfLiteralAddress(String addr, StringBuffer sb) {
 467         if (IPAddressUtil.isIPv4LiteralAddress(addr)) {
 468             sb.append("dns://" + addr + " ");
 469         } else {
 470             if (IPAddressUtil.isIPv6LiteralAddress(addr)) {
 471                 sb.append("dns://[" + addr + "] ");
 472             }
 473         }
 474     }
 475 
 476     /*
 477      * @return String containing the JNDI-DNS provider URL
 478      *         corresponding to the supplied List of nameservers.
 479      */
 480     private static String createProviderURL(List<String> nsList) {
 481         StringBuffer sb = new StringBuffer();
 482         for (String s: nsList) {
 483             appendIfLiteralAddress(s, sb);
 484         }
 485         return sb.toString();
 486     }
 487 
 488     /*
 489      * @return String containing the JNDI-DNS provider URL
 490      *         corresponding to the list of nameservers
 491      *         contained in the provided str.
 492      */
 493     private static String createProviderURL(String str) {
 494         StringBuffer sb = new StringBuffer();
 495         StringTokenizer st = new StringTokenizer(str, ",");
 496         while (st.hasMoreTokens()) {
 497             appendIfLiteralAddress(st.nextToken(), sb);
 498         }
 499         return sb.toString();
 500     }
 501 }


 446                     results = resolve(ctx, ip6lit, ids, 0);
 447                     host = results.get(0);
 448                 }
 449             }
 450         } catch (Exception e) {
 451             throw new UnknownHostException(e.getMessage());
 452         }
 453         // Either we couldn't find it or the address was neither IPv4 or IPv6
 454         if (host == null)
 455             throw new UnknownHostException();
 456         // remove trailing dot
 457         if (host.endsWith(".")) {
 458             host = host.substring(0, host.length() - 1);
 459         }
 460         return host;
 461     }
 462 
 463 
 464     // ---------
 465 
 466     private static void appendIfLiteralAddress(String addr, StringBuilder sb) {
 467         if (IPAddressUtil.isIPv4LiteralAddress(addr)) {
 468             sb.append("dns://").append(addr).append(' ');
 469         } else {
 470             if (IPAddressUtil.isIPv6LiteralAddress(addr)) {
 471                 sb.append("dns://[").append(addr).append("] ");
 472             }
 473         }
 474     }
 475 
 476     /*
 477      * @return String containing the JNDI-DNS provider URL
 478      *         corresponding to the supplied List of nameservers.
 479      */
 480     private static String createProviderURL(List<String> nsList) {
 481         StringBuilder sb = new StringBuilder();
 482         for (String s: nsList) {
 483             appendIfLiteralAddress(s, sb);
 484         }
 485         return sb.toString();
 486     }
 487 
 488     /*
 489      * @return String containing the JNDI-DNS provider URL
 490      *         corresponding to the list of nameservers
 491      *         contained in the provided str.
 492      */
 493     private static String createProviderURL(String str) {
 494         StringBuilder sb = new StringBuilder();
 495         StringTokenizer st = new StringTokenizer(str, ",");
 496         while (st.hasMoreTokens()) {
 497             appendIfLiteralAddress(st.nextToken(), sb);
 498         }
 499         return sb.toString();
 500     }
 501 }