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/**
*
*/
package javax.jmdns.impl.constants;
/**
* DNS option code.
*
* @author Arthur van Hoff, Pierre Frisch, Rick Blair
*/
public enum DNSOptionCode {
/**
* Token
*/
Unknown("Unknown", 65535),
/**
* Long-Lived Queries Option [http://files.dns-sd.org/draft-sekar-dns-llq.txt]
*/
LLQ("LLQ", 1),
/**
* Update Leases Option [http://files.dns-sd.org/draft-sekar-dns-ul.txt]
*/
UL("UL", 2),
/**
* Name Server Identifier Option [RFC5001]
*/
NSID("NSID", 3),
/**
* Owner Option [draft-cheshire-edns0-owner-option]
*/
Owner("Owner", 4);
private final String _externalName;
private final int _index;
DNSOptionCode(String name, int index) {
_externalName = name;
_index = index;
}
/**
* Return the string representation of this type
*
* @return String
*/
public String externalName() {
return _externalName;
}
/**
* Return the numeric value of this type
*
* @return String
*/
public int indexValue() {
return _index;
}
/**
* @param optioncode
* @return label
*/
public static DNSOptionCode resultCodeForFlags(int optioncode) {
int maskedIndex = optioncode;
for (DNSOptionCode aCode : DNSOptionCode.values()) {
if (aCode._index == maskedIndex) return aCode;
}
return Unknown;
}
@Override
public String toString() {
return this.name() + " index " + this.indexValue();
}
}
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