ChannelHandlerAdapter (Netty API Reference (4.0.36.Final))

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Constr |
Method

Detail:
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Method

java.lang.Object
- io.netty.channel.ChannelHandlerAdapter

All Implemented Interfaces:

ChannelHandler

Direct Known Subclasses:

ChannelInboundHandlerAdapter, ChannelOutboundHandlerAdapter
```
public abstract class ChannelHandlerAdapter
extends Object
implements ChannelHandler
```
Skelton implementation of a ChannelHandler.

Nested Class Summary
- Nested classes/interfaces inherited from interface io.netty.channel.ChannelHandler
  ChannelHandler.Sharable

Constructor Summary

Constructors
Constructor and Description

ChannelHandlerAdapter()

Method Summary

Methods
Modifier and Type	Method and Description
`void`	`exceptionCaught(ChannelHandlerContext ctx, Throwable cause)` Calls `ChannelHandlerContext.fireExceptionCaught(Throwable)` to forward to the next `ChannelHandler` in the `ChannelPipeline`.
`void`	`handlerAdded(ChannelHandlerContext ctx)` Do nothing by default, sub-classes may override this method.
`void`	`handlerRemoved(ChannelHandlerContext ctx)` Do nothing by default, sub-classes may override this method.
`boolean`	`isSharable()` Return `true` if the implementation is `Sharable` and so can be added to different `ChannelPipeline`s.

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

- Constructor Detail
  - ChannelHandlerAdapter
```
public ChannelHandlerAdapter()
```
- Method Detail
  - isSharable
```
public boolean isSharable()
```
    Return true if the implementation is Sharable and so can be added to different ChannelPipelines.
  - handlerAdded
```
public void handlerAdded(ChannelHandlerContext ctx)
                  throws Exception
```
    Do nothing by default, sub-classes may override this method.
    
    Specified by:
    
    handlerAdded in interface ChannelHandler
    
    Throws:
    
    Exception
  - handlerRemoved
```
public void handlerRemoved(ChannelHandlerContext ctx)
                    throws Exception
```
    Do nothing by default, sub-classes may override this method.
    
    Specified by:
    
    handlerRemoved in interface ChannelHandler
    
    Throws:
    
    Exception
  - exceptionCaught
```
public void exceptionCaught(ChannelHandlerContext ctx,
                   Throwable cause)
                     throws Exception
```
    Calls ChannelHandlerContext.fireExceptionCaught(Throwable) to forward to the next ChannelHandler in the ChannelPipeline. Sub-classes may override this method to change behavior.
    
    Specified by:
    
    exceptionCaught in interface ChannelHandler
    
    Throws:
    
    Exception

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