- All Implemented Interfaces:
Serializable, Comparable<Record.CLASS>, java.lang.constant.Constable
The symbolic class of a DNS record (usually
IN for Internet).Nested Class Summary
Nested classes/interfaces inherited from class Enum
Enum.EnumDesc<E>Enum Constant Summary
Enum ConstantsField Summary
FieldsModifier and TypeFieldDescriptionprivate static final HashMap<Integer, Record.CLASS> Internal reverse lookup table to map binary class values to symbolic names.private final intThe binary value of this dns class.Constructor Summary
ConstructorsModifierConstructorDescriptionprivateCLASS(int value) Create a new DNS class based on a binary value.Method Summary
Modifier and TypeMethodDescriptionstatic Record.CLASSgetClass(int value) Retrieve the symbolic DNS class for a binary class value.intgetValue()Retrieve the binary value of this DNS class.static Record.CLASSReturns the enum constant of this class with the specified name.static Record.CLASS[]values()Returns an array containing the constants of this enum class, in the order they are declared.
Enum Constant Details
IN
The Internet class. This is the most common class used by today's DNS systems.CH
The Chaos class.HS
The Hesiod class.NONE
None class.ANY
Any class (wildcard).
Field Details
INVERSE_LUT
Internal reverse lookup table to map binary class values to symbolic names.value
private final int valueThe binary value of this dns class.
Constructor Details
CLASS
private CLASS(int value) Create a new DNS class based on a binary value.- Parameters:
value- The binary value of this DNS class.
Method Details
values
Returns an array containing the constants of this enum class, in the order they are declared.- Returns:
- an array containing the constants of this enum class, in the order they are declared
valueOf
Returns the enum constant of this class with the specified name. The string must match exactly an identifier used to declare an enum constant in this class. (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 class has no constant with the specified nameNullPointerException- if the argument is null
getValue
public int getValue()Retrieve the binary value of this DNS class.- Returns:
- The binary value of this DNS class.
getClass
Retrieve the symbolic DNS class for a binary class value.- Parameters:
value- The binary DNS class value.- Returns:
- The symbolic class instance.