All Implemented Interfaces:

ChannelHandler

Direct Known Subclasses:

ChannelInboundHandlerAdapter, ChannelOutboundHandlerAdapter

public abstract class ChannelHandlerAdapter
extends java.lang.Object
implements 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

  All Methods

  Modifier and Type	Method and Description
  protected void	ensureNotSharable () Throws IllegalStateException if isSharable() returns true
  void	exceptionCaught (ChannelHandlerContext ctx, java.lang.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 ChannelPipelines.

  • 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

  • ensureNotSharable

    protected void ensureNotSharable()

    Throws IllegalStateException if isSharable() returns true

  • 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 java.lang.Exception

    Do nothing by default, sub-classes may override this method.

    Specified by:

    handlerAdded in interface ChannelHandler

    Throws:

    java.lang.Exception

  • handlerRemoved

    public void handlerRemoved(ChannelHandlerContext ctx)
     throws java.lang.Exception

    Do nothing by default, sub-classes may override this method.

    Specified by:

    handlerRemoved in interface ChannelHandler

    Throws:

    java.lang.Exception

  • exceptionCaught

    public void exceptionCaught(ChannelHandlerContext ctx,
     java.lang.Throwable cause)
     throws java.lang.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:

    java.lang.Exception