io.netty.handler.codec.dns

类 DefaultDnsRecordDecoder

java.lang.Object

io.netty.handler.codec.dns.DefaultDnsRecordDecoder

所有已实现的接口:

DnsRecordDecoder

@UnstableApi
public class DefaultDnsRecordDecoder
extends java.lang.Object
implements DnsRecordDecoder

The default DnsRecordDecoder implementation.

另请参阅:

DefaultDnsRecordEncoder

字段概要

从接口继承的字段 io.netty.handler.codec.dns.DnsRecordDecoder

DEFAULT

构造器概要

构造器

限定符	构造器和说明
protected	DefaultDnsRecordDecoder() Creates a new instance.

方法概要

限定符和类型	方法和说明
static java.lang.String	decodeName(ByteBuf in) Retrieves a domain name given a buffer containing a DNS packet.
protected java.lang.String	decodeName0(ByteBuf in) Retrieves a domain name given a buffer containing a DNS packet.
DnsQuestion	decodeQuestion(ByteBuf in) Decodes a DNS question into its object representation.
<T extends DnsRecord> T	decodeRecord(ByteBuf in) Decodes a DNS record into its object representation.
protected DnsRecord	decodeRecord(java.lang.String name, DnsRecordType type, int dnsClass, long timeToLive, ByteBuf in, int offset, int length) Decodes a record from the information decoded so far by decodeRecord(ByteBuf).

从类继承的方法 java.lang.Object

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

构造器详细资料

DefaultDnsRecordDecoder

protected DefaultDnsRecordDecoder()

Creates a new instance.

方法详细资料

decodeQuestion

public final DnsQuestion decodeQuestion(ByteBuf in)
                                 throws java.lang.Exception

从接口复制的说明: DnsRecordDecoder

Decodes a DNS question into its object representation.

指定者:

decodeQuestion 在接口中 DnsRecordDecoder

参数:

in - the input buffer which contains a DNS question at its reader index

抛出:

java.lang.Exception

decodeRecord

public final <T extends DnsRecord> T decodeRecord(ByteBuf in)
                                           throws java.lang.Exception

从接口复制的说明: DnsRecordDecoder

Decodes a DNS record into its object representation.

指定者:

decodeRecord 在接口中 DnsRecordDecoder

参数:

in - the input buffer which contains a DNS record at its reader index

返回:

the decoded record, or null if there are not enough data in the input buffer

抛出:

java.lang.Exception

decodeRecord

protected DnsRecord decodeRecord(java.lang.String name,
                                 DnsRecordType type,
                                 int dnsClass,
                                 long timeToLive,
                                 ByteBuf in,
                                 int offset,
                                 int length)
                          throws java.lang.Exception

Decodes a record from the information decoded so far by decodeRecord(ByteBuf).

参数:

name - the domain name of the record

type - the type of the record

dnsClass - the class of the record

timeToLive - the TTL of the record

in - the ByteBuf that contains the RDATA

offset - the start offset of the RDATA in in

length - the length of the RDATA

返回:

a DnsRawRecord. Override this method to decode RDATA and return other record implementation.

抛出:

java.lang.Exception

decodeName0

protected java.lang.String decodeName0(ByteBuf in)

Retrieves a domain name given a buffer containing a DNS packet. If the name contains a pointer, the position of the buffer will be set to directly after the pointer's index after the name has been read.

参数:

in - the byte buffer containing the DNS packet

返回:

the domain name for an entry

decodeName

public static java.lang.String decodeName(ByteBuf in)

Retrieves a domain name given a buffer containing a DNS packet. If the name contains a pointer, the position of the buffer will be set to directly after the pointer's index after the name has been read.

参数:

in - the byte buffer containing the DNS packet

返回:

the domain name for an entry