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DNSResultCode.java

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package javax.jmdns.impl.constants;

public enum DNSResultCode {
    Unknown("Unknown", 65535),
    NoError("No Error", 0),
    FormErr("Format Error", 1),
    ServFail("Server Failure", 2),
    NXDomain("Non-Existent Domain", 3),
    NotImp("Not Implemented", 4),
    Refused("Query Refused", 5),
    YXDomain("Name Exists when it should not", 6),
    YXRRSet("RR Set Exists when it should not", 7),
    NXRRSet("RR Set that should exist does not", 8),
    NotAuth("Server Not Authoritative for zone", 9),
    NotZone("NotZone Name not contained in zone", 10),

    ;

    // 0 NoError No Error [RFC1035]
    // 1 FormErr Format Error [RFC1035]
    // 2 ServFail Server Failure [RFC1035]
    // 3 NXDomain Non-Existent Domain [RFC1035]
    // 4 NotImp Not Implemented [RFC1035]
    // 5 Refused Query Refused [RFC1035]
    // 6 YXDomain Name Exists when it should not [RFC2136]
    // 7 YXRRSet RR Set Exists when it should not [RFC2136]
    // 8 NXRRSet RR Set that should exist does not [RFC2136]
    // 9 NotAuth Server Not Authoritative for zone [RFC2136]
    // 10 NotZone Name not contained in zone [RFC2136]
    // 11-15 Unassigned
    // 16 BADVERS Bad OPT Version [RFC2671]
    // 16 BADSIG TSIG Signature Failure [RFC2845]
    // 17 BADKEY Key not recognized [RFC2845]
    // 18 BADTIME Signature out of time window [RFC2845]
    // 19 BADMODE Bad TKEY Mode [RFC2930]
    // 20 BADNAME Duplicate key name [RFC2930]
    // 21 BADALG Algorithm not supported [RFC2930]
    // 22 BADTRUNC Bad Truncation [RFC4635]
    // 23-3840 Unassigned
    // 3841-4095 Reserved for Private Use [RFC5395]
    // 4096-65534 Unassigned
    // 65535 Reserved, can be allocated by Standards Action [RFC5395]

    final static int     RCode_MASK         = 0x0F;
    final static int     ExtendedRCode_MASK = 0xFF;

    private final String _externalName;

    private final int    _index;

    DNSResultCode(String name, int index) {
        _externalName = name;
        _index = index;
    }

    public String externalName() {
        return _externalName;
    }

    public int indexValue() {
        return _index;
    }

    public static DNSResultCode resultCodeForFlags(int flags) {
        int maskedIndex = flags & RCode_MASK;
        for (DNSResultCode aCode : DNSResultCode.values()) {
            if (aCode._index == maskedIndex) return aCode;
        }
        return Unknown;
    }

    public static DNSResultCode resultCodeForFlags(int flags, int extendedRCode) {
        int maskedIndex = ((extendedRCode >> 28) & ExtendedRCode_MASK) | (flags & RCode_MASK);
        for (DNSResultCode aCode : DNSResultCode.values()) {
            if (aCode._index == maskedIndex) return aCode;
        }
        return Unknown;
    }

    @Override
    public String toString() {
        return this.name() + " index " + this.indexValue();
    }

}

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zeroconf_jmdns
Author(s): Daniel Stonier
autogenerated on Wed Jan 16 12:20:31 2013