Enum Constant Detail

• INVERSE_QUERY

  public static final DnsMessage.OPCODE INVERSE_QUERY

  Inverse query

• NOTIFY

  public static final DnsMessage.OPCODE NOTIFY

  Notify

• QUERY

  public static final DnsMessage.OPCODE QUERY

  Standard query

• STATUS

  public static final DnsMessage.OPCODE STATUS

  Server status request

• UNASSIGNED3

  public static final DnsMessage.OPCODE UNASSIGNED3

  Unassigned opcode 3

• UPDATE

  public static final DnsMessage.OPCODE UPDATE

  Dynamic update

Method Detail

• getOpcode

  public static DnsMessage.OPCODE getOpcode(int value)
                                     throws IllegalArgumentException

  Retrieve the symbolic name of an opcode byte.

  Parameters:

  value - The byte value of the opcode.

  Returns:

  The symbolic opcode or null.

  Throws:

  IllegalArgumentException - If the byte value is not in the range 0..15.

• getValue

  public byte getValue()

  Retrieve the byte value of this opcode.

  Returns:

  The byte value of this opcode.

• valueOf

  public static DnsMessage.OPCODE valueOf(String name)

  Returns the enum constant of this type with the specified name. The string must match exactly an identifier used to declare an enum constant in this type. (Extraneous whitespace characters are not permitted.)

  Parameters:

  name - the name of the enum constant to be returned.

  Returns:

  the enum constant with the specified name

  Throws:

  IllegalArgumentException - if this enum type has no constant with the specified name

  NullPointerException - if the argument is null

• values

  public static DnsMessage.OPCODE[] values()

  Returns an array containing the constants of this enum type, in the order they are declared. This method may be used to iterate over the constants as follows:

  for (DnsMessage.OPCODE c : DnsMessage.OPCODE.values())
      System.out.println(c);
  

  Returns:

  an array containing the constants of this enum type, in the order they are declared