public class io.netty.handler.codec.FixedLengthFrameDecoder extends io.netty.handler.codec.ByteToMessageDecoder
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: io.netty.handler.codec.FixedLengthFrameDecoder
  super_class: io.netty.handler.codec.ByteToMessageDecoder
{
  private final int frameLength;
    descriptor: I
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  public void <init>(int);
    descriptor: (I)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=2, args_size=2
        start local 0 // io.netty.handler.codec.FixedLengthFrameDecoder this
        start local 1 // int frameLength
         0: .line 48
            aload 0 /* this */
            invokespecial io.netty.handler.codec.ByteToMessageDecoder.<init>:()V
         1: .line 49
            iload 1 /* frameLength */
            ifgt 5
         2: .line 50
            new java.lang.IllegalArgumentException
            dup
         3: .line 51
            new java.lang.StringBuilder
            dup
            ldc "frameLength must be a positive integer: "
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            iload 1 /* frameLength */
            invokevirtual java.lang.StringBuilder.append:(I)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
         4: .line 50
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
         5: .line 53
      StackMap locals: io.netty.handler.codec.FixedLengthFrameDecoder int
      StackMap stack:
            aload 0 /* this */
            iload 1 /* frameLength */
            putfield io.netty.handler.codec.FixedLengthFrameDecoder.frameLength:I
         6: .line 54
            return
        end local 1 // int frameLength
        end local 0 // io.netty.handler.codec.FixedLengthFrameDecoder this
      LocalVariableTable:
        Start  End  Slot         Name  Signature
            0    7     0         this  Lio/netty/handler/codec/FixedLengthFrameDecoder;
            0    7     1  frameLength  I
    MethodParameters:
             Name  Flags
      frameLength  

  protected final void decode(io.netty.channel.ChannelHandlerContext, io.netty.buffer.ByteBuf, java.util.List<java.lang.Object>);
    descriptor: (Lio/netty/channel/ChannelHandlerContext;Lio/netty/buffer/ByteBuf;Ljava/util/List;)V
    flags: (0x0014) ACC_PROTECTED, ACC_FINAL
    Code:
      stack=3, locals=5, args_size=4
        start local 0 // io.netty.handler.codec.FixedLengthFrameDecoder this
        start local 1 // io.netty.channel.ChannelHandlerContext ctx
        start local 2 // io.netty.buffer.ByteBuf in
        start local 3 // java.util.List out
         0: .line 58
            aload 0 /* this */
            aload 1 /* ctx */
            aload 2 /* in */
            invokevirtual io.netty.handler.codec.FixedLengthFrameDecoder.decode:(Lio/netty/channel/ChannelHandlerContext;Lio/netty/buffer/ByteBuf;)Ljava/lang/Object;
            astore 4 /* decoded */
        start local 4 // java.lang.Object decoded
         1: .line 59
            aload 4 /* decoded */
            ifnull 3
         2: .line 60
            aload 3 /* out */
            aload 4 /* decoded */
            invokeinterface java.util.List.add:(Ljava/lang/Object;)Z
            pop
         3: .line 62
      StackMap locals: java.lang.Object
      StackMap stack:
            return
        end local 4 // java.lang.Object decoded
        end local 3 // java.util.List out
        end local 2 // io.netty.buffer.ByteBuf in
        end local 1 // io.netty.channel.ChannelHandlerContext ctx
        end local 0 // io.netty.handler.codec.FixedLengthFrameDecoder this
      LocalVariableTable:
        Start  End  Slot     Name  Signature
            0    4     0     this  Lio/netty/handler/codec/FixedLengthFrameDecoder;
            0    4     1      ctx  Lio/netty/channel/ChannelHandlerContext;
            0    4     2       in  Lio/netty/buffer/ByteBuf;
            0    4     3      out  Ljava/util/List<Ljava/lang/Object;>;
            1    4     4  decoded  Ljava/lang/Object;
    Exceptions:
      throws java.lang.Exception
    Signature: (Lio/netty/channel/ChannelHandlerContext;Lio/netty/buffer/ByteBuf;Ljava/util/List<Ljava/lang/Object;>;)V
    MethodParameters:
      Name  Flags
      ctx   
      in    
      out   

  protected java.lang.Object decode(io.netty.channel.ChannelHandlerContext, io.netty.buffer.ByteBuf);
    descriptor: (Lio/netty/channel/ChannelHandlerContext;Lio/netty/buffer/ByteBuf;)Ljava/lang/Object;
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=2, locals=3, args_size=3
        start local 0 // io.netty.handler.codec.FixedLengthFrameDecoder this
        start local 1 // io.netty.channel.ChannelHandlerContext ctx
        start local 2 // io.netty.buffer.ByteBuf in
         0: .line 74
            aload 2 /* in */
            invokevirtual io.netty.buffer.ByteBuf.readableBytes:()I
            aload 0 /* this */
            getfield io.netty.handler.codec.FixedLengthFrameDecoder.frameLength:I
            if_icmpge 2
         1: .line 75
            aconst_null
            areturn
         2: .line 77
      StackMap locals:
      StackMap stack:
            aload 2 /* in */
            aload 0 /* this */
            getfield io.netty.handler.codec.FixedLengthFrameDecoder.frameLength:I
            invokevirtual io.netty.buffer.ByteBuf.readRetainedSlice:(I)Lio/netty/buffer/ByteBuf;
            areturn
        end local 2 // io.netty.buffer.ByteBuf in
        end local 1 // io.netty.channel.ChannelHandlerContext ctx
        end local 0 // io.netty.handler.codec.FixedLengthFrameDecoder this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Lio/netty/handler/codec/FixedLengthFrameDecoder;
            0    3     1   ctx  Lio/netty/channel/ChannelHandlerContext;
            0    3     2    in  Lio/netty/buffer/ByteBuf;
    Exceptions:
      throws java.lang.Exception
    MethodParameters:
      Name  Flags
      ctx   
      in    
}
SourceFile: "FixedLengthFrameDecoder.java"