Package javax.jmdns.impl.constants
Enum DNSLabel
- java.lang.Object
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- java.lang.Enum<DNSLabel>
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- javax.jmdns.impl.constants.DNSLabel
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Enum Constant Summary
Enum Constants Enum Constant Description Compressed
Compressed label [RFC 1035]Extended
Extended label [RFC 2671]Standard
Standard label [RFC 1035]Unknown
This is unallocated.
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Field Summary
Fields Modifier and Type Field Description private java.lang.String
_externalName
private int
_index
(package private) static int
LABEL_MASK
DNS label types are encoded on the first 2 bits(package private) static int
LABEL_NOT_MASK
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Constructor Summary
Constructors Modifier Constructor Description private
DNSLabel(java.lang.String name, int index)
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Method Summary
All Methods Static Methods Instance Methods Concrete Methods Modifier and Type Method Description java.lang.String
externalName()
Return the string representation of this typeint
indexValue()
Return the numeric value of this typestatic DNSLabel
labelForByte(int index)
static int
labelValue(int index)
java.lang.String
toString()
static DNSLabel
valueOf(java.lang.String name)
Returns the enum constant of this type with the specified name.static DNSLabel[]
values()
Returns an array containing the constants of this enum type, in the order they are declared.
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Enum Constant Detail
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Unknown
public static final DNSLabel Unknown
This is unallocated.
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Standard
public static final DNSLabel Standard
Standard label [RFC 1035]
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Compressed
public static final DNSLabel Compressed
Compressed label [RFC 1035]
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Extended
public static final DNSLabel Extended
Extended label [RFC 2671]
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Field Detail
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LABEL_MASK
static final int LABEL_MASK
DNS label types are encoded on the first 2 bits- See Also:
- Constant Field Values
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LABEL_NOT_MASK
static final int LABEL_NOT_MASK
- See Also:
- Constant Field Values
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_externalName
private final java.lang.String _externalName
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_index
private final int _index
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Method Detail
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values
public static DNSLabel[] 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 (DNSLabel c : DNSLabel.values()) System.out.println(c);
- Returns:
- an array containing the constants of this enum type, in the order they are declared
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valueOf
public static DNSLabel valueOf(java.lang.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:
java.lang.IllegalArgumentException
- if this enum type has no constant with the specified namejava.lang.NullPointerException
- if the argument is null
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externalName
public java.lang.String externalName()
Return the string representation of this type- Returns:
- String
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indexValue
public int indexValue()
Return the numeric value of this type- Returns:
- String
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labelForByte
public static DNSLabel labelForByte(int index)
- Parameters:
index
-- Returns:
- label
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labelValue
public static int labelValue(int index)
- Parameters:
index
-- Returns:
- masked value
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toString
public java.lang.String toString()
- Overrides:
toString
in classjava.lang.Enum<DNSLabel>
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