Package io.netty.handler.codec.dns

Class DefaultDnsRecordEncoder

java.lang.Object

io.netty.handler.codec.dns.DefaultDnsRecordEncoder

All Implemented Interfaces:

DnsRecordEncoder

public class DefaultDnsRecordEncoder
extends Object
implements DnsRecordEncoder

The default DnsRecordEncoder implementation.

See Also:

• DefaultDnsRecordDecoder

Field Summary

Fields

Modifier and Type	Field	Description
private static final int	PREFIX_MASK
private static final Class<?>[]	SUPPORTED_MESSAGES

Fields inherited from interface io.netty.handler.codec.dns.DnsRecordEncoder

DEFAULT

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	DefaultDnsRecordEncoder()	Creates a new instance.

Method Summary

Modifier and Type	Method	Description
(package private) static int	calculateEcsAddressLength(int sourcePrefixLength, int lowOrderBitsToPreserve)
protected void	encodeName(String name, ByteBuf buf)
private void	encodeOptEcsRecord(DnsOptEcsRecord record, ByteBuf out)
private void	encodeOptPseudoRecord(DnsOptPseudoRecord record, ByteBuf out)
private void	encodePtrRecord(DnsPtrRecord record, ByteBuf out)
final void	encodeQuestion(DnsQuestion question, ByteBuf out)	Encodes a DnsQuestion.
private void	encodeRawRecord(DnsRawRecord record, ByteBuf out)
void	encodeRecord(DnsRecord record, ByteBuf out)	Encodes a DnsRecord.
private void	encodeRecord0(DnsRecord record, ByteBuf out)
private static byte	padWithZeros(byte b, int lowOrderBitsToPreserve)

Methods inherited from class java.lang.Object

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

Field Details

PREFIX_MASK

private static final int PREFIX_MASK

See Also:

• Constant Field Values

SUPPORTED_MESSAGES

private static final Class<?>[] SUPPORTED_MESSAGES

Constructor Details

DefaultDnsRecordEncoder

protected DefaultDnsRecordEncoder()

Creates a new instance.

Method Details

encodeQuestion

public final void encodeQuestion(DnsQuestion question,
 ByteBuf out)
                          throws Exception

Description copied from interface: DnsRecordEncoder

Encodes a DnsQuestion.

Specified by:

encodeQuestion in interface DnsRecordEncoder

Parameters:

out - the output buffer where the encoded question will be written to

Throws:

Exception

encodeRecord

public void encodeRecord(DnsRecord record,
 ByteBuf out)
                  throws Exception

Description copied from interface: DnsRecordEncoder

Encodes a DnsRecord.

Specified by:

encodeRecord in interface DnsRecordEncoder

Parameters:

out - the output buffer where the encoded record will be written to

Throws:

Exception

encodeRecord0

private void encodeRecord0(DnsRecord record,
 ByteBuf out)
                    throws Exception

Throws:

Exception

encodePtrRecord

private void encodePtrRecord(DnsPtrRecord record,
 ByteBuf out)
                      throws Exception

Throws:

Exception

encodeOptPseudoRecord

private void encodeOptPseudoRecord(DnsOptPseudoRecord record,
 ByteBuf out)
                            throws Exception

Throws:

Exception

encodeOptEcsRecord

private void encodeOptEcsRecord(DnsOptEcsRecord record,
 ByteBuf out)
                         throws Exception

Throws:

Exception

calculateEcsAddressLength

static int calculateEcsAddressLength(int sourcePrefixLength,
 int lowOrderBitsToPreserve)

encodeRawRecord

private void encodeRawRecord(DnsRawRecord record,
 ByteBuf out)
                      throws Exception

Throws:

Exception

encodeName

protected void encodeName(String name,
 ByteBuf buf)
                   throws Exception

Throws:

Exception

padWithZeros

private static byte padWithZeros(byte b,
 int lowOrderBitsToPreserve)