http://netty.io/netty-all/: Netty is an asynchronous event-driven network application framework for rapid development of maintainable high performance protocol servers and clients. (The Netty Project) 
public class io.netty.channel.ChannelInboundHandlerAdapter extends io.netty.channel.ChannelHandlerAdapter implements io.netty.channel.ChannelInboundHandler
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: io.netty.channel.ChannelInboundHandlerAdapter
  super_class: io.netty.channel.ChannelHandlerAdapter
{
  public void <init>();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // io.netty.channel.ChannelInboundHandlerAdapter this
         0: .line 32
            aload 0 /* this */
            invokespecial io.netty.channel.ChannelHandlerAdapter.<init>:()V
            return
        end local 0 // io.netty.channel.ChannelInboundHandlerAdapter this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lio/netty/channel/ChannelInboundHandlerAdapter;

  public void channelRegistered(io.netty.channel.ChannelHandlerContext);
    descriptor: (Lio/netty/channel/ChannelHandlerContext;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=2, args_size=2
        start local 0 // io.netty.channel.ChannelInboundHandlerAdapter this
        start local 1 // io.netty.channel.ChannelHandlerContext ctx
         0: .line 42
            aload 1 /* ctx */
            invokeinterface io.netty.channel.ChannelHandlerContext.fireChannelRegistered:()Lio/netty/channel/ChannelHandlerContext;
            pop
         1: .line 43
            return
        end local 1 // io.netty.channel.ChannelHandlerContext ctx
        end local 0 // io.netty.channel.ChannelInboundHandlerAdapter this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lio/netty/channel/ChannelInboundHandlerAdapter;
            0    2     1   ctx  Lio/netty/channel/ChannelHandlerContext;
    Exceptions:
      throws java.lang.Exception
    MethodParameters:
      Name  Flags
      ctx   

  public void channelUnregistered(io.netty.channel.ChannelHandlerContext);
    descriptor: (Lio/netty/channel/ChannelHandlerContext;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=2, args_size=2
        start local 0 // io.netty.channel.ChannelInboundHandlerAdapter this
        start local 1 // io.netty.channel.ChannelHandlerContext ctx
         0: .line 53
            aload 1 /* ctx */
            invokeinterface io.netty.channel.ChannelHandlerContext.fireChannelUnregistered:()Lio/netty/channel/ChannelHandlerContext;
            pop
         1: .line 54
            return
        end local 1 // io.netty.channel.ChannelHandlerContext ctx
        end local 0 // io.netty.channel.ChannelInboundHandlerAdapter this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lio/netty/channel/ChannelInboundHandlerAdapter;
            0    2     1   ctx  Lio/netty/channel/ChannelHandlerContext;
    Exceptions:
      throws java.lang.Exception
    MethodParameters:
      Name  Flags
      ctx   

  public void channelActive(io.netty.channel.ChannelHandlerContext);
    descriptor: (Lio/netty/channel/ChannelHandlerContext;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=2, args_size=2
        start local 0 // io.netty.channel.ChannelInboundHandlerAdapter this
        start local 1 // io.netty.channel.ChannelHandlerContext ctx
         0: .line 64
            aload 1 /* ctx */
            invokeinterface io.netty.channel.ChannelHandlerContext.fireChannelActive:()Lio/netty/channel/ChannelHandlerContext;
            pop
         1: .line 65
            return
        end local 1 // io.netty.channel.ChannelHandlerContext ctx
        end local 0 // io.netty.channel.ChannelInboundHandlerAdapter this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lio/netty/channel/ChannelInboundHandlerAdapter;
            0    2     1   ctx  Lio/netty/channel/ChannelHandlerContext;
    Exceptions:
      throws java.lang.Exception
    MethodParameters:
      Name  Flags
      ctx   

  public void channelInactive(io.netty.channel.ChannelHandlerContext);
    descriptor: (Lio/netty/channel/ChannelHandlerContext;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=2, args_size=2
        start local 0 // io.netty.channel.ChannelInboundHandlerAdapter this
        start local 1 // io.netty.channel.ChannelHandlerContext ctx
         0: .line 75
            aload 1 /* ctx */
            invokeinterface io.netty.channel.ChannelHandlerContext.fireChannelInactive:()Lio/netty/channel/ChannelHandlerContext;
            pop
         1: .line 76
            return
        end local 1 // io.netty.channel.ChannelHandlerContext ctx
        end local 0 // io.netty.channel.ChannelInboundHandlerAdapter this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lio/netty/channel/ChannelInboundHandlerAdapter;
            0    2     1   ctx  Lio/netty/channel/ChannelHandlerContext;
    Exceptions:
      throws java.lang.Exception
    MethodParameters:
      Name  Flags
      ctx   

  public void channelRead(io.netty.channel.ChannelHandlerContext, java.lang.Object);
    descriptor: (Lio/netty/channel/ChannelHandlerContext;Ljava/lang/Object;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=3, args_size=3
        start local 0 // io.netty.channel.ChannelInboundHandlerAdapter this
        start local 1 // io.netty.channel.ChannelHandlerContext ctx
        start local 2 // java.lang.Object msg
         0: .line 86
            aload 1 /* ctx */
            aload 2 /* msg */
            invokeinterface io.netty.channel.ChannelHandlerContext.fireChannelRead:(Ljava/lang/Object;)Lio/netty/channel/ChannelHandlerContext;
            pop
         1: .line 87
            return
        end local 2 // java.lang.Object msg
        end local 1 // io.netty.channel.ChannelHandlerContext ctx
        end local 0 // io.netty.channel.ChannelInboundHandlerAdapter this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lio/netty/channel/ChannelInboundHandlerAdapter;
            0    2     1   ctx  Lio/netty/channel/ChannelHandlerContext;
            0    2     2   msg  Ljava/lang/Object;
    Exceptions:
      throws java.lang.Exception
    MethodParameters:
      Name  Flags
      ctx   
      msg   

  public void channelReadComplete(io.netty.channel.ChannelHandlerContext);
    descriptor: (Lio/netty/channel/ChannelHandlerContext;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=2, args_size=2
        start local 0 // io.netty.channel.ChannelInboundHandlerAdapter this
        start local 1 // io.netty.channel.ChannelHandlerContext ctx
         0: .line 97
            aload 1 /* ctx */
            invokeinterface io.netty.channel.ChannelHandlerContext.fireChannelReadComplete:()Lio/netty/channel/ChannelHandlerContext;
            pop
         1: .line 98
            return
        end local 1 // io.netty.channel.ChannelHandlerContext ctx
        end local 0 // io.netty.channel.ChannelInboundHandlerAdapter this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lio/netty/channel/ChannelInboundHandlerAdapter;
            0    2     1   ctx  Lio/netty/channel/ChannelHandlerContext;
    Exceptions:
      throws java.lang.Exception
    MethodParameters:
      Name  Flags
      ctx   

  public void userEventTriggered(io.netty.channel.ChannelHandlerContext, java.lang.Object);
    descriptor: (Lio/netty/channel/ChannelHandlerContext;Ljava/lang/Object;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=3, args_size=3
        start local 0 // io.netty.channel.ChannelInboundHandlerAdapter this
        start local 1 // io.netty.channel.ChannelHandlerContext ctx
        start local 2 // java.lang.Object evt
         0: .line 108
            aload 1 /* ctx */
            aload 2 /* evt */
            invokeinterface io.netty.channel.ChannelHandlerContext.fireUserEventTriggered:(Ljava/lang/Object;)Lio/netty/channel/ChannelHandlerContext;
            pop
         1: .line 109
            return
        end local 2 // java.lang.Object evt
        end local 1 // io.netty.channel.ChannelHandlerContext ctx
        end local 0 // io.netty.channel.ChannelInboundHandlerAdapter this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lio/netty/channel/ChannelInboundHandlerAdapter;
            0    2     1   ctx  Lio/netty/channel/ChannelHandlerContext;
            0    2     2   evt  Ljava/lang/Object;
    Exceptions:
      throws java.lang.Exception
    MethodParameters:
      Name  Flags
      ctx   
      evt   

  public void channelWritabilityChanged(io.netty.channel.ChannelHandlerContext);
    descriptor: (Lio/netty/channel/ChannelHandlerContext;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=2, args_size=2
        start local 0 // io.netty.channel.ChannelInboundHandlerAdapter this
        start local 1 // io.netty.channel.ChannelHandlerContext ctx
         0: .line 119
            aload 1 /* ctx */
            invokeinterface io.netty.channel.ChannelHandlerContext.fireChannelWritabilityChanged:()Lio/netty/channel/ChannelHandlerContext;
            pop
         1: .line 120
            return
        end local 1 // io.netty.channel.ChannelHandlerContext ctx
        end local 0 // io.netty.channel.ChannelInboundHandlerAdapter this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lio/netty/channel/ChannelInboundHandlerAdapter;
            0    2     1   ctx  Lio/netty/channel/ChannelHandlerContext;
    Exceptions:
      throws java.lang.Exception
    MethodParameters:
      Name  Flags
      ctx   

  public void exceptionCaught(io.netty.channel.ChannelHandlerContext, java.lang.Throwable);
    descriptor: (Lio/netty/channel/ChannelHandlerContext;Ljava/lang/Throwable;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=3, args_size=3
        start local 0 // io.netty.channel.ChannelInboundHandlerAdapter this
        start local 1 // io.netty.channel.ChannelHandlerContext ctx
        start local 2 // java.lang.Throwable cause
         0: .line 131
            aload 1 /* ctx */
            aload 2 /* cause */
            invokeinterface io.netty.channel.ChannelHandlerContext.fireExceptionCaught:(Ljava/lang/Throwable;)Lio/netty/channel/ChannelHandlerContext;
            pop
         1: .line 132
            return
        end local 2 // java.lang.Throwable cause
        end local 1 // io.netty.channel.ChannelHandlerContext ctx
        end local 0 // io.netty.channel.ChannelInboundHandlerAdapter this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    2     0   this  Lio/netty/channel/ChannelInboundHandlerAdapter;
            0    2     1    ctx  Lio/netty/channel/ChannelHandlerContext;
            0    2     2  cause  Ljava/lang/Throwable;
    Exceptions:
      throws java.lang.Exception
    MethodParameters:
       Name  Flags
      ctx    
      cause  
}
SourceFile: "ChannelInboundHandlerAdapter.java"