429         }
 430     }
 431 
 432     private static final  Set<SocketOption<?>> socketOptions =
 433         new HashSet<>();
 434 
 435     private static final  Set<SocketOption<?>> serverSocketOptions =
 436         new HashSet<>();
 437 
 438     static {
 439         socketOptions.add(StandardSocketOptions.SO_KEEPALIVE);
 440         socketOptions.add(StandardSocketOptions.SO_SNDBUF);
 441         socketOptions.add(StandardSocketOptions.SO_RCVBUF);
 442         socketOptions.add(StandardSocketOptions.SO_REUSEADDR);
 443         socketOptions.add(StandardSocketOptions.SO_LINGER);
 444         socketOptions.add(StandardSocketOptions.IP_TOS);
 445         socketOptions.add(StandardSocketOptions.TCP_NODELAY);
 446 
 447         serverSocketOptions.add(StandardSocketOptions.SO_RCVBUF);
 448         serverSocketOptions.add(StandardSocketOptions.SO_REUSEADDR);

 449     };
 450 
 451     /**
 452      * Returns a set of SocketOptions supported by this impl
 453      * and by this impl's socket (Socket or ServerSocket)
 454      *
 455      * @return a Set of SocketOptions
 456      */
 457     protected Set<SocketOption<?>> supportedOptions() {
 458         if (getSocket() != null) {
 459             return socketOptions;
 460         } else {
 461             return serverSocketOptions;
 462         }
 463     }
 464 }

 429         }
 430     }
 431 
 432     private static final  Set<SocketOption<?>> socketOptions =
 433         new HashSet<>();
 434 
 435     private static final  Set<SocketOption<?>> serverSocketOptions =
 436         new HashSet<>();
 437 
 438     static {
 439         socketOptions.add(StandardSocketOptions.SO_KEEPALIVE);
 440         socketOptions.add(StandardSocketOptions.SO_SNDBUF);
 441         socketOptions.add(StandardSocketOptions.SO_RCVBUF);
 442         socketOptions.add(StandardSocketOptions.SO_REUSEADDR);
 443         socketOptions.add(StandardSocketOptions.SO_LINGER);
 444         socketOptions.add(StandardSocketOptions.IP_TOS);
 445         socketOptions.add(StandardSocketOptions.TCP_NODELAY);
 446 
 447         serverSocketOptions.add(StandardSocketOptions.SO_RCVBUF);
 448         serverSocketOptions.add(StandardSocketOptions.SO_REUSEADDR);
 449         serverSocketOptions.add(StandardSocketOptions.IP_TOS);
 450     };
 451 
 452     /**
 453      * Returns a set of SocketOptions supported by this impl
 454      * and by this impl's socket (Socket or ServerSocket)
 455      *
 456      * @return a Set of SocketOptions
 457      */
 458     protected Set<SocketOption<?>> supportedOptions() {
 459         if (getSocket() != null) {
 460             return socketOptions;
 461         } else {
 462             return serverSocketOptions;
 463         }
 464     }
 465 }