TcpDnsQueryDecoder (Netty API Reference (5.0.0.Alpha4))

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Module io.netty5.codec.dns

Package io.netty5.handler.codec.dns

Class TcpDnsQueryDecoder

java.lang.Object
- io.netty5.channel.ChannelHandlerAdapter
- - io.netty5.handler.codec.ByteToMessageDecoder
  - - io.netty5.handler.codec.LengthFieldBasedFrameDecoder
    - - io.netty5.handler.codec.dns.TcpDnsQueryDecoder

All Implemented Interfaces:: ChannelHandler

@UnstableApi
public final class TcpDnsQueryDecoder
extends LengthFieldBasedFrameDecoder

Nested Class Summary
- Nested classes/interfaces inherited from class io.netty5.handler.codec.ByteToMessageDecoder
  ByteToMessageDecoder.Cumulator

Field Summary
- Fields inherited from class io.netty5.handler.codec.ByteToMessageDecoder
  COMPOSITE_CUMULATOR, MERGE_CUMULATOR

Constructor Summary

Constructors
Constructor	Description
`TcpDnsQueryDecoder ()`	Creates a new decoder with the default record decoder.
`TcpDnsQueryDecoder (DnsRecordDecoder decoder, int maxFrameLength)`	Creates a new decoder with the specified `decoder`.

Method Summary

All Methods
Modifier and Type Method Description

protected Object decode0 (ChannelHandlerContext ctx, Buffer in)
Create a frame out of the Buffer and return it.
- Methods inherited from class io.netty5.handler.codec.LengthFieldBasedFrameDecoder
  decode, extractFrame, getUnadjustedFrameLength
- Methods inherited from class io.netty5.handler.codec.ByteToMessageDecoder
  actualReadableBytes, channelInactive, channelRead, channelReadComplete, channelShutdown, decodeLast, discardSomeReadBytes, handlerAdded, handlerAdded0, handlerRemoved, handlerRemoved0, internalBuffer, isSharable, isSingleDecode, setSingleDecode
- Methods inherited from class java.lang.Object
  clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
- Methods inherited from interface io.netty5.channel.ChannelHandler
  bind, channelActive, channelExceptionCaught, channelInboundEvent, channelRegistered, channelUnregistered, channelWritabilityChanged, close, connect, deregister, disconnect, flush, pendingOutboundBytes, read, register, sendOutboundEvent, shutdown, write

- Constructor Detail
  - TcpDnsQueryDecoder
```
public TcpDnsQueryDecoder()
```
    Creates a new decoder with the default record decoder.
  - TcpDnsQueryDecoder
```
public TcpDnsQueryDecoder(DnsRecordDecoder decoder,
 int maxFrameLength)
```
    Creates a new decoder with the specified decoder.
- Method Detail
  - decode0
```
protected Object decode0(ChannelHandlerContext ctx,
 Buffer in)
 throws Exception 
```
    Description copied from class: LengthFieldBasedFrameDecoder
    
    Create a frame out of the Buffer and return it.
    
    Overrides:
    
    decode0 in class LengthFieldBasedFrameDecoder
    
    Parameters:
    
    ctx - the ChannelHandlerContext which this ByteToMessageDecoder belongs to
    
    in - the Buffer from which to read data
    
    Returns:
    
    the Buffer which represent the frame or null if no frame could be created.
    
    Throws:
    
    Exception