XmlDecoder (Netty API Reference (4.1.22.Final))

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java.lang.Object
- io.netty.channel.ChannelHandlerAdapter
- - io.netty.channel.ChannelInboundHandlerAdapter
  - - io.netty.handler.codec.ByteToMessageDecoder
    - - io.netty.handler.codec.xml.XmlDecoder

All Implemented Interfaces:

ChannelHandler ， ChannelInboundHandler
```
public class XmlDecoder
extends ByteToMessageDecoder
```
异步XML解码器，基于Aalto XML parser 。将传入的数据解析为此包中定义的XML消息之一。

Nested Class Summary
- Nested classes/interfaces inherited from class io.netty.handler.codec.ByteToMessageDecoder
  ByteToMessageDecoder.Cumulator
- Nested classes/interfaces inherited from interface io.netty.channel.ChannelHandler
  ChannelHandler.Sharable

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

构造方法摘要

构造方法
Constructor and Description
`XmlDecoder()`

方法摘要

所有方法接口方法具体的方法
Modifier and Type	Method and Description
`protected void`	`decode(ChannelHandlerContext ctx, ByteBuf in, java.util.List<java.lang.Object> out)` 解码从一个`ByteBuf`到另一个。

Methods inherited from class io.netty.handler.codec.ByteToMessageDecoder
actualReadableBytes, callDecode, channelInactive, channelRead, channelReadComplete, decodeLast, discardSomeReadBytes, handlerRemoved, handlerRemoved0, internalBuffer, isSingleDecode, setCumulator, setDiscardAfterReads, setSingleDecode, userEventTriggered

Methods inherited from class io.netty.channel.ChannelInboundHandlerAdapter
channelActive, channelRegistered, channelUnregistered, channelWritabilityChanged, exceptionCaught

Methods inherited from class io.netty.channel.ChannelHandlerAdapter
ensureNotSharable, handlerAdded, isSharable

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface io.netty.channel.ChannelHandler
handlerAdded

- 构造方法详细信息
  - XmlDecoder
```
public XmlDecoder()
```
- 方法详细信息
  - decode
```
protected void decode(ChannelHandlerContext ctx,
                      ByteBuf in,
                      java.util.List<java.lang.Object> out)
               throws java.lang.Exception
```
    从类复制的描述： ByteToMessageDecoder
    
    解码从一个ByteBuf到另一个。该方法将被调用，直到输入ByteBuf在从此方法返回时没有任何可读的内容或直到从输入ByteBuf没有读取任何内容。
    
    Specified by:
    
    decode ByteToMessageDecoder
    
    参数
    
    ctx - ByteToMessageDecoder属于的ChannelHandlerContext
    
    in - 从中读取数据的ByteBuf
    
    out - 应该添加解码消息的 List
    
    异常
    
    java.lang.Exception - 发生错误时抛出

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