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io.netty.handler.codec.dns

public final Class TcpDnsQueryEncoder

extends MessageToByteEncoder<DnsQuery>
Class Inheritance
Annotations
@Sharable
@UnstableApi
Imports
io.netty.buffer.ByteBuf, io.netty.channel.ChannelHandler, .ChannelHandlerContext, io.netty.handler.codec.MessageToByteEncoder, io.netty.util.internal.UnstableApi

Field Summary

Modifier and TypeField and Description
private final DnsQueryEncoder
encoder

Constructor Summary

AccessConstructor and Description
public
TcpDnsQueryEncoder()

Creates a new encoder with the default record encoder.

public
TcpDnsQueryEncoder(DnsRecordEncoder recordEncoder)

Creates a new encoder with the specified recordEncoder.

Method Summary

Modifier and TypeMethod and Description
protected ByteBuf
allocateBuffer(ChannelHandlerContext ctx, DnsQuery msg, boolean preferDirect)

Overrides io.netty.handler.codec.MessageToByteEncoder.allocateBuffer.

Allocate a ByteBuf which will be used as argument of encode(ChannelHandlerContext, I, ByteBuf).
protected void
encode(ChannelHandlerContext
the ChannelHandlerContext which this MessageToByteEncoder belongs to
ctx, DnsQuery
the message to encode
msg, ByteBuf
the ByteBuf into which the encoded message will be written
out)

Implements abstract io.netty.handler.codec.MessageToByteEncoder.encode.

Encode a message into a ByteBuf.
Inherited from io.netty.handler.codec.MessageToByteEncoder:
acceptOutboundMessageisPreferDirectwrite

Field Detail

encoderback to summary
private final DnsQueryEncoder encoder

Constructor Detail

TcpDnsQueryEncoderback to summary
public TcpDnsQueryEncoder()

Creates a new encoder with the default record encoder.

TcpDnsQueryEncoderback to summary
public TcpDnsQueryEncoder(DnsRecordEncoder recordEncoder)

Creates a new encoder with the specified recordEncoder.

Method Detail

allocateBufferback to summary
protected ByteBuf allocateBuffer(ChannelHandlerContext ctx, DnsQuery msg, boolean preferDirect)

Overrides io.netty.handler.codec.MessageToByteEncoder.allocateBuffer.

Doc from io.netty.handler.codec.MessageToByteEncoder.allocateBuffer.

Allocate a ByteBuf which will be used as argument of encode(ChannelHandlerContext, I, ByteBuf). Sub-classes may override this method to return ByteBuf with a perfect matching initialCapacity.

Annotations
@Override
encodeback to summary
protected void encode(ChannelHandlerContext ctx, DnsQuery msg, ByteBuf out) throws Exception

Implements abstract io.netty.handler.codec.MessageToByteEncoder.encode.

Doc from io.netty.handler.codec.MessageToByteEncoder.encode.

Encode a message into a ByteBuf. This method will be called for each written message that can be handled by this encoder.

Parameters
ctx:ChannelHandlerContext

the ChannelHandlerContext which this MessageToByteEncoder belongs to

msg:DnsQuery

the message to encode

out:ByteBuf

the ByteBuf into which the encoded message will be written

Annotations
@Override
Exceptions
Exception:
is thrown if an error occurs