TcpDnsQueryDecoder (Netty API Reference (5.0.0.Alpha4))

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 Instance Methods Concrete 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