Class DnsMessageUtil

java.lang.Object

io.netty.handler.codec.dns.DnsMessageUtil

final class DnsMessageUtil
extends Object

Provides some utility methods for DNS message implementations.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
(package private) static interface	DnsMessageUtil.DnsQueryFactory

Constructor Summary

Constructors

Modifier	Constructor	Description
private	DnsMessageUtil()

Method Summary

Modifier and Type	Method	Description
private static StringBuilder	appendAddresses(StringBuilder buf, DnsMessage msg)
private static void	appendAllRecords(StringBuilder buf, DnsMessage msg)
(package private) static StringBuilder	appendQuery(StringBuilder buf, DnsQuery query)
private static void	appendQueryHeader(StringBuilder buf, DnsQuery msg)
(package private) static StringBuilder	appendRecordClass(StringBuilder buf, int dnsClass)
private static void	appendRecords(StringBuilder buf, DnsMessage message, DnsSection section)
(package private) static StringBuilder	appendResponse(StringBuilder buf, DnsResponse response)
private static void	appendResponseHeader(StringBuilder buf, DnsResponse msg)
(package private) static DnsQuery	decodeDnsQuery(DnsRecordDecoder decoder, ByteBuf buf, DnsMessageUtil.DnsQueryFactory supplier)
private static void	decodeQuestions(DnsRecordDecoder decoder, DnsQuery query, ByteBuf buf, int questionCount)
private static void	decodeRecords(DnsRecordDecoder decoder, DnsQuery query, DnsSection section, ByteBuf buf, int count)
(package private) static void	encodeDnsResponse(DnsRecordEncoder encoder, DnsResponse response, ByteBuf buf)
private static void	encodeHeader(DnsResponse response, ByteBuf buf)	Encodes the header that is always 12 bytes long.
private static void	encodeQuestions(DnsRecordEncoder encoder, DnsResponse response, ByteBuf buf)
private static void	encodeRecords(DnsRecordEncoder encoder, DnsResponse response, DnsSection section, ByteBuf buf)
private static DnsQuery	newQuery(ByteBuf buf, DnsMessageUtil.DnsQueryFactory supplier)

Methods inherited from class Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

DnsMessageUtil

private DnsMessageUtil()

Method Details

appendQuery

static StringBuilder appendQuery(StringBuilder buf,
 DnsQuery query)

appendResponse

static StringBuilder appendResponse(StringBuilder buf,
 DnsResponse response)

appendRecordClass

static StringBuilder appendRecordClass(StringBuilder buf,
 int dnsClass)

appendQueryHeader

private static void appendQueryHeader(StringBuilder buf,
 DnsQuery msg)

appendResponseHeader

private static void appendResponseHeader(StringBuilder buf,
 DnsResponse msg)

appendAddresses

private static StringBuilder appendAddresses(StringBuilder buf,
 DnsMessage msg)

appendAllRecords

private static void appendAllRecords(StringBuilder buf,
 DnsMessage msg)

appendRecords

private static void appendRecords(StringBuilder buf,
 DnsMessage message,
 DnsSection section)

decodeDnsQuery

static DnsQuery decodeDnsQuery(DnsRecordDecoder decoder,
 ByteBuf buf,
 DnsMessageUtil.DnsQueryFactory supplier)
                        throws Exception

Throws:

Exception

newQuery

private static DnsQuery newQuery(ByteBuf buf,
 DnsMessageUtil.DnsQueryFactory supplier)

decodeQuestions

private static void decodeQuestions(DnsRecordDecoder decoder,
 DnsQuery query,
 ByteBuf buf,
 int questionCount)
                             throws Exception

Throws:

Exception

decodeRecords

private static void decodeRecords(DnsRecordDecoder decoder,
 DnsQuery query,
 DnsSection section,
 ByteBuf buf,
 int count)
                           throws Exception

Throws:

Exception

encodeDnsResponse

static void encodeDnsResponse(DnsRecordEncoder encoder,
 DnsResponse response,
 ByteBuf buf)
                       throws Exception

Throws:

Exception

encodeHeader

private static void encodeHeader(DnsResponse response,
 ByteBuf buf)

Encodes the header that is always 12 bytes long.

Parameters:

response - the response header being encoded

buf - the buffer the encoded data should be written to

encodeQuestions

private static void encodeQuestions(DnsRecordEncoder encoder,
 DnsResponse response,
 ByteBuf buf)
                             throws Exception

Throws:

Exception

encodeRecords

private static void encodeRecords(DnsRecordEncoder encoder,
 DnsResponse response,
 DnsSection section,
 ByteBuf buf)
                           throws Exception

Throws:

Exception