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.handler.codec.http.HttpServerExpectContinueHandler extends io.netty.channel.ChannelInboundHandlerAdapter
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: io.netty.handler.codec.http.HttpServerExpectContinueHandler
  super_class: io.netty.channel.ChannelInboundHandlerAdapter
{
  private static final io.netty.handler.codec.http.FullHttpResponse EXPECTATION_FAILED;
    descriptor: Lio/netty/handler/codec/http/FullHttpResponse;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL

  private static final io.netty.handler.codec.http.FullHttpResponse ACCEPT;
    descriptor: Lio/netty/handler/codec/http/FullHttpResponse;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL

  static void <clinit>();
    descriptor: ()V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=5, locals=0, args_size=0
         0: .line 49
            new io.netty.handler.codec.http.DefaultFullHttpResponse
            dup
         1: .line 50
            getstatic io.netty.handler.codec.http.HttpVersion.HTTP_1_1:Lio/netty/handler/codec/http/HttpVersion;
            getstatic io.netty.handler.codec.http.HttpResponseStatus.EXPECTATION_FAILED:Lio/netty/handler/codec/http/HttpResponseStatus;
            getstatic io.netty.buffer.Unpooled.EMPTY_BUFFER:Lio/netty/buffer/ByteBuf;
         2: .line 49
            invokespecial io.netty.handler.codec.http.DefaultFullHttpResponse.<init>:(Lio/netty/handler/codec/http/HttpVersion;Lio/netty/handler/codec/http/HttpResponseStatus;Lio/netty/buffer/ByteBuf;)V
            putstatic io.netty.handler.codec.http.HttpServerExpectContinueHandler.EXPECTATION_FAILED:Lio/netty/handler/codec/http/FullHttpResponse;
         3: .line 52
            new io.netty.handler.codec.http.DefaultFullHttpResponse
            dup
         4: .line 53
            getstatic io.netty.handler.codec.http.HttpVersion.HTTP_1_1:Lio/netty/handler/codec/http/HttpVersion;
            getstatic io.netty.handler.codec.http.HttpResponseStatus.CONTINUE:Lio/netty/handler/codec/http/HttpResponseStatus;
            getstatic io.netty.buffer.Unpooled.EMPTY_BUFFER:Lio/netty/buffer/ByteBuf;
         5: .line 52
            invokespecial io.netty.handler.codec.http.DefaultFullHttpResponse.<init>:(Lio/netty/handler/codec/http/HttpVersion;Lio/netty/handler/codec/http/HttpResponseStatus;Lio/netty/buffer/ByteBuf;)V
            putstatic io.netty.handler.codec.http.HttpServerExpectContinueHandler.ACCEPT:Lio/netty/handler/codec/http/FullHttpResponse;
         6: .line 56
            getstatic io.netty.handler.codec.http.HttpServerExpectContinueHandler.EXPECTATION_FAILED:Lio/netty/handler/codec/http/FullHttpResponse;
            invokeinterface io.netty.handler.codec.http.FullHttpResponse.headers:()Lio/netty/handler/codec/http/HttpHeaders;
            getstatic io.netty.handler.codec.http.HttpHeaderNames.CONTENT_LENGTH:Lio/netty/util/AsciiString;
            iconst_0
            invokestatic java.lang.Integer.valueOf:(I)Ljava/lang/Integer;
            invokevirtual io.netty.handler.codec.http.HttpHeaders.set:(Ljava/lang/CharSequence;Ljava/lang/Object;)Lio/netty/handler/codec/http/HttpHeaders;
            pop
         7: .line 57
            getstatic io.netty.handler.codec.http.HttpServerExpectContinueHandler.ACCEPT:Lio/netty/handler/codec/http/FullHttpResponse;
            invokeinterface io.netty.handler.codec.http.FullHttpResponse.headers:()Lio/netty/handler/codec/http/HttpHeaders;
            getstatic io.netty.handler.codec.http.HttpHeaderNames.CONTENT_LENGTH:Lio/netty/util/AsciiString;
            iconst_0
            invokestatic java.lang.Integer.valueOf:(I)Ljava/lang/Integer;
            invokevirtual io.netty.handler.codec.http.HttpHeaders.set:(Ljava/lang/CharSequence;Ljava/lang/Object;)Lio/netty/handler/codec/http/HttpHeaders;
            pop
         8: .line 58
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  public void <init>();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // io.netty.handler.codec.http.HttpServerExpectContinueHandler this
         0: .line 47
            aload 0 /* this */
            invokespecial io.netty.channel.ChannelInboundHandlerAdapter.<init>:()V
            return
        end local 0 // io.netty.handler.codec.http.HttpServerExpectContinueHandler this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lio/netty/handler/codec/http/HttpServerExpectContinueHandler;

  protected io.netty.handler.codec.http.HttpResponse acceptMessage(io.netty.handler.codec.http.HttpRequest);
    descriptor: (Lio/netty/handler/codec/http/HttpRequest;)Lio/netty/handler/codec/http/HttpResponse;
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=1, locals=2, args_size=2
        start local 0 // io.netty.handler.codec.http.HttpServerExpectContinueHandler this
        start local 1 // io.netty.handler.codec.http.HttpRequest request
         0: .line 65
            getstatic io.netty.handler.codec.http.HttpServerExpectContinueHandler.ACCEPT:Lio/netty/handler/codec/http/FullHttpResponse;
            invokeinterface io.netty.handler.codec.http.FullHttpResponse.retainedDuplicate:()Lio/netty/handler/codec/http/FullHttpResponse;
            areturn
        end local 1 // io.netty.handler.codec.http.HttpRequest request
        end local 0 // io.netty.handler.codec.http.HttpServerExpectContinueHandler this
      LocalVariableTable:
        Start  End  Slot     Name  Signature
            0    1     0     this  Lio/netty/handler/codec/http/HttpServerExpectContinueHandler;
            0    1     1  request  Lio/netty/handler/codec/http/HttpRequest;
    MethodParameters:
         Name  Flags
      request  

  protected io.netty.handler.codec.http.HttpResponse rejectResponse(io.netty.handler.codec.http.HttpRequest);
    descriptor: (Lio/netty/handler/codec/http/HttpRequest;)Lio/netty/handler/codec/http/HttpResponse;
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=1, locals=2, args_size=2
        start local 0 // io.netty.handler.codec.http.HttpServerExpectContinueHandler this
        start local 1 // io.netty.handler.codec.http.HttpRequest request
         0: .line 72
            getstatic io.netty.handler.codec.http.HttpServerExpectContinueHandler.EXPECTATION_FAILED:Lio/netty/handler/codec/http/FullHttpResponse;
            invokeinterface io.netty.handler.codec.http.FullHttpResponse.retainedDuplicate:()Lio/netty/handler/codec/http/FullHttpResponse;
            areturn
        end local 1 // io.netty.handler.codec.http.HttpRequest request
        end local 0 // io.netty.handler.codec.http.HttpServerExpectContinueHandler this
      LocalVariableTable:
        Start  End  Slot     Name  Signature
            0    1     0     this  Lio/netty/handler/codec/http/HttpServerExpectContinueHandler;
            0    1     1  request  Lio/netty/handler/codec/http/HttpRequest;
    MethodParameters:
         Name  Flags
      request  

  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=3, locals=6, args_size=3
        start local 0 // io.netty.handler.codec.http.HttpServerExpectContinueHandler this
        start local 1 // io.netty.channel.ChannelHandlerContext ctx
        start local 2 // java.lang.Object msg
         0: .line 77
            aload 2 /* msg */
            instanceof io.netty.handler.codec.http.HttpRequest
            ifeq 11
         1: .line 78
            aload 2 /* msg */
            checkcast io.netty.handler.codec.http.HttpRequest
            astore 3 /* req */
        start local 3 // io.netty.handler.codec.http.HttpRequest req
         2: .line 80
            aload 3 /* req */
            invokestatic io.netty.handler.codec.http.HttpUtil.is100ContinueExpected:(Lio/netty/handler/codec/http/HttpMessage;)Z
            ifeq 11
         3: .line 81
            aload 0 /* this */
            aload 3 /* req */
            invokevirtual io.netty.handler.codec.http.HttpServerExpectContinueHandler.acceptMessage:(Lio/netty/handler/codec/http/HttpRequest;)Lio/netty/handler/codec/http/HttpResponse;
            astore 4 /* accept */
        start local 4 // io.netty.handler.codec.http.HttpResponse accept
         4: .line 83
            aload 4 /* accept */
            ifnonnull 9
         5: .line 85
            aload 0 /* this */
            aload 3 /* req */
            invokevirtual io.netty.handler.codec.http.HttpServerExpectContinueHandler.rejectResponse:(Lio/netty/handler/codec/http/HttpRequest;)Lio/netty/handler/codec/http/HttpResponse;
            astore 5 /* rejection */
        start local 5 // io.netty.handler.codec.http.HttpResponse rejection
         6: .line 86
            aload 2 /* msg */
            invokestatic io.netty.util.ReferenceCountUtil.release:(Ljava/lang/Object;)Z
            pop
         7: .line 87
            aload 1 /* ctx */
            aload 5 /* rejection */
            invokeinterface io.netty.channel.ChannelHandlerContext.writeAndFlush:(Ljava/lang/Object;)Lio/netty/channel/ChannelFuture;
            getstatic io.netty.channel.ChannelFutureListener.CLOSE_ON_FAILURE:Lio/netty/channel/ChannelFutureListener;
            invokeinterface io.netty.channel.ChannelFuture.addListener:(Lio/netty/util/concurrent/GenericFutureListener;)Lio/netty/channel/ChannelFuture;
            pop
         8: .line 88
            return
        end local 5 // io.netty.handler.codec.http.HttpResponse rejection
         9: .line 91
      StackMap locals: io.netty.handler.codec.http.HttpRequest io.netty.handler.codec.http.HttpResponse
      StackMap stack:
            aload 1 /* ctx */
            aload 4 /* accept */
            invokeinterface io.netty.channel.ChannelHandlerContext.writeAndFlush:(Ljava/lang/Object;)Lio/netty/channel/ChannelFuture;
            getstatic io.netty.channel.ChannelFutureListener.CLOSE_ON_FAILURE:Lio/netty/channel/ChannelFutureListener;
            invokeinterface io.netty.channel.ChannelFuture.addListener:(Lio/netty/util/concurrent/GenericFutureListener;)Lio/netty/channel/ChannelFuture;
            pop
        10: .line 92
            aload 3 /* req */
            invokeinterface io.netty.handler.codec.http.HttpRequest.headers:()Lio/netty/handler/codec/http/HttpHeaders;
            getstatic io.netty.handler.codec.http.HttpHeaderNames.EXPECT:Lio/netty/util/AsciiString;
            invokevirtual io.netty.handler.codec.http.HttpHeaders.remove:(Ljava/lang/CharSequence;)Lio/netty/handler/codec/http/HttpHeaders;
            pop
        end local 4 // io.netty.handler.codec.http.HttpResponse accept
        end local 3 // io.netty.handler.codec.http.HttpRequest req
        11: .line 95
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            aload 1 /* ctx */
            aload 2 /* msg */
            invokespecial io.netty.channel.ChannelInboundHandlerAdapter.channelRead:(Lio/netty/channel/ChannelHandlerContext;Ljava/lang/Object;)V
        12: .line 96
            return
        end local 2 // java.lang.Object msg
        end local 1 // io.netty.channel.ChannelHandlerContext ctx
        end local 0 // io.netty.handler.codec.http.HttpServerExpectContinueHandler this
      LocalVariableTable:
        Start  End  Slot       Name  Signature
            0   13     0       this  Lio/netty/handler/codec/http/HttpServerExpectContinueHandler;
            0   13     1        ctx  Lio/netty/channel/ChannelHandlerContext;
            0   13     2        msg  Ljava/lang/Object;
            2   11     3        req  Lio/netty/handler/codec/http/HttpRequest;
            4   11     4     accept  Lio/netty/handler/codec/http/HttpResponse;
            6    9     5  rejection  Lio/netty/handler/codec/http/HttpResponse;
    Exceptions:
      throws java.lang.Exception
    MethodParameters:
      Name  Flags
      ctx   
      msg   
}
SourceFile: "HttpServerExpectContinueHandler.java"