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.DelimiterBasedFrameDecoder 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.DelimiterBasedFrameDecoder
  super_class: io.netty.handler.codec.ByteToMessageDecoder
{
  private final io.netty.buffer.ByteBuf[] delimiters;
    descriptor: [Lio/netty/buffer/ByteBuf;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private final int maxFrameLength;
    descriptor: I
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private final boolean stripDelimiter;
    descriptor: Z
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private final boolean failFast;
    descriptor: Z
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private boolean discardingTooLongFrame;
    descriptor: Z
    flags: (0x0002) ACC_PRIVATE

  private int tooLongFrameLength;
    descriptor: I
    flags: (0x0002) ACC_PRIVATE

  private final io.netty.handler.codec.LineBasedFrameDecoder lineBasedDecoder;
    descriptor: Lio/netty/handler/codec/LineBasedFrameDecoder;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  public void <init>(int, io.netty.buffer.ByteBuf);
    descriptor: (ILio/netty/buffer/ByteBuf;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=3, args_size=3
        start local 0 // io.netty.handler.codec.DelimiterBasedFrameDecoder this
        start local 1 // int maxFrameLength
        start local 2 // io.netty.buffer.ByteBuf delimiter
         0: .line 78
            aload 0 /* this */
            iload 1 /* maxFrameLength */
            iconst_1
            aload 2 /* delimiter */
            invokespecial io.netty.handler.codec.DelimiterBasedFrameDecoder.<init>:(IZLio/netty/buffer/ByteBuf;)V
         1: .line 79
            return
        end local 2 // io.netty.buffer.ByteBuf delimiter
        end local 1 // int maxFrameLength
        end local 0 // io.netty.handler.codec.DelimiterBasedFrameDecoder this
      LocalVariableTable:
        Start  End  Slot            Name  Signature
            0    2     0            this  Lio/netty/handler/codec/DelimiterBasedFrameDecoder;
            0    2     1  maxFrameLength  I
            0    2     2       delimiter  Lio/netty/buffer/ByteBuf;
    MethodParameters:
                Name  Flags
      maxFrameLength  
      delimiter       

  public void <init>(int, boolean, io.netty.buffer.ByteBuf);
    descriptor: (IZLio/netty/buffer/ByteBuf;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=4, args_size=4
        start local 0 // io.netty.handler.codec.DelimiterBasedFrameDecoder this
        start local 1 // int maxFrameLength
        start local 2 // boolean stripDelimiter
        start local 3 // io.netty.buffer.ByteBuf delimiter
         0: .line 93
            aload 0 /* this */
            iload 1 /* maxFrameLength */
            iload 2 /* stripDelimiter */
            iconst_1
            aload 3 /* delimiter */
            invokespecial io.netty.handler.codec.DelimiterBasedFrameDecoder.<init>:(IZZLio/netty/buffer/ByteBuf;)V
         1: .line 94
            return
        end local 3 // io.netty.buffer.ByteBuf delimiter
        end local 2 // boolean stripDelimiter
        end local 1 // int maxFrameLength
        end local 0 // io.netty.handler.codec.DelimiterBasedFrameDecoder this
      LocalVariableTable:
        Start  End  Slot            Name  Signature
            0    2     0            this  Lio/netty/handler/codec/DelimiterBasedFrameDecoder;
            0    2     1  maxFrameLength  I
            0    2     2  stripDelimiter  Z
            0    2     3       delimiter  Lio/netty/buffer/ByteBuf;
    MethodParameters:
                Name  Flags
      maxFrameLength  
      stripDelimiter  
      delimiter       

  public void <init>(int, boolean, boolean, io.netty.buffer.ByteBuf);
    descriptor: (IZZLio/netty/buffer/ByteBuf;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=10, locals=5, args_size=5
        start local 0 // io.netty.handler.codec.DelimiterBasedFrameDecoder this
        start local 1 // int maxFrameLength
        start local 2 // boolean stripDelimiter
        start local 3 // boolean failFast
        start local 4 // io.netty.buffer.ByteBuf delimiter
         0: .line 116
            aload 0 /* this */
            iload 1 /* maxFrameLength */
            iload 2 /* stripDelimiter */
            iload 3 /* failFast */
            iconst_1
            anewarray io.netty.buffer.ByteBuf
            dup
            iconst_0
         1: .line 117
            aload 4 /* delimiter */
            aload 4 /* delimiter */
            invokevirtual io.netty.buffer.ByteBuf.readerIndex:()I
            aload 4 /* delimiter */
            invokevirtual io.netty.buffer.ByteBuf.readableBytes:()I
            invokevirtual io.netty.buffer.ByteBuf.slice:(II)Lio/netty/buffer/ByteBuf;
            aastore
            invokespecial io.netty.handler.codec.DelimiterBasedFrameDecoder.<init>:(IZZ[Lio/netty/buffer/ByteBuf;)V
         2: .line 118
            return
        end local 4 // io.netty.buffer.ByteBuf delimiter
        end local 3 // boolean failFast
        end local 2 // boolean stripDelimiter
        end local 1 // int maxFrameLength
        end local 0 // io.netty.handler.codec.DelimiterBasedFrameDecoder this
      LocalVariableTable:
        Start  End  Slot            Name  Signature
            0    3     0            this  Lio/netty/handler/codec/DelimiterBasedFrameDecoder;
            0    3     1  maxFrameLength  I
            0    3     2  stripDelimiter  Z
            0    3     3        failFast  Z
            0    3     4       delimiter  Lio/netty/buffer/ByteBuf;
    MethodParameters:
                Name  Flags
      maxFrameLength  
      stripDelimiter  
      failFast        
      delimiter       

  public void <init>(int, io.netty.buffer.ByteBuf[]);
    descriptor: (I[Lio/netty/buffer/ByteBuf;)V
    flags: (0x0081) ACC_PUBLIC, ACC_VARARGS
    Code:
      stack=4, locals=3, args_size=3
        start local 0 // io.netty.handler.codec.DelimiterBasedFrameDecoder this
        start local 1 // int maxFrameLength
        start local 2 // io.netty.buffer.ByteBuf[] delimiters
         0: .line 129
            aload 0 /* this */
            iload 1 /* maxFrameLength */
            iconst_1
            aload 2 /* delimiters */
            invokespecial io.netty.handler.codec.DelimiterBasedFrameDecoder.<init>:(IZ[Lio/netty/buffer/ByteBuf;)V
         1: .line 130
            return
        end local 2 // io.netty.buffer.ByteBuf[] delimiters
        end local 1 // int maxFrameLength
        end local 0 // io.netty.handler.codec.DelimiterBasedFrameDecoder this
      LocalVariableTable:
        Start  End  Slot            Name  Signature
            0    2     0            this  Lio/netty/handler/codec/DelimiterBasedFrameDecoder;
            0    2     1  maxFrameLength  I
            0    2     2      delimiters  [Lio/netty/buffer/ByteBuf;
    MethodParameters:
                Name  Flags
      maxFrameLength  
      delimiters      

  public void <init>(int, boolean, io.netty.buffer.ByteBuf[]);
    descriptor: (IZ[Lio/netty/buffer/ByteBuf;)V
    flags: (0x0081) ACC_PUBLIC, ACC_VARARGS
    Code:
      stack=5, locals=4, args_size=4
        start local 0 // io.netty.handler.codec.DelimiterBasedFrameDecoder this
        start local 1 // int maxFrameLength
        start local 2 // boolean stripDelimiter
        start local 3 // io.netty.buffer.ByteBuf[] delimiters
         0: .line 144
            aload 0 /* this */
            iload 1 /* maxFrameLength */
            iload 2 /* stripDelimiter */
            iconst_1
            aload 3 /* delimiters */
            invokespecial io.netty.handler.codec.DelimiterBasedFrameDecoder.<init>:(IZZ[Lio/netty/buffer/ByteBuf;)V
         1: .line 145
            return
        end local 3 // io.netty.buffer.ByteBuf[] delimiters
        end local 2 // boolean stripDelimiter
        end local 1 // int maxFrameLength
        end local 0 // io.netty.handler.codec.DelimiterBasedFrameDecoder this
      LocalVariableTable:
        Start  End  Slot            Name  Signature
            0    2     0            this  Lio/netty/handler/codec/DelimiterBasedFrameDecoder;
            0    2     1  maxFrameLength  I
            0    2     2  stripDelimiter  Z
            0    2     3      delimiters  [Lio/netty/buffer/ByteBuf;
    MethodParameters:
                Name  Flags
      maxFrameLength  
      stripDelimiter  
      delimiters      

  public void <init>(int, boolean, boolean, io.netty.buffer.ByteBuf[]);
    descriptor: (IZZ[Lio/netty/buffer/ByteBuf;)V
    flags: (0x0081) ACC_PUBLIC, ACC_VARARGS
    Code:
      stack=6, locals=7, args_size=5
        start local 0 // io.netty.handler.codec.DelimiterBasedFrameDecoder this
        start local 1 // int maxFrameLength
        start local 2 // boolean stripDelimiter
        start local 3 // boolean failFast
        start local 4 // io.netty.buffer.ByteBuf[] delimiters
         0: .line 164
            aload 0 /* this */
            invokespecial io.netty.handler.codec.ByteToMessageDecoder.<init>:()V
         1: .line 166
            iload 1 /* maxFrameLength */
            invokestatic io.netty.handler.codec.DelimiterBasedFrameDecoder.validateMaxFrameLength:(I)V
         2: .line 167
            aload 4 /* delimiters */
            ifnonnull 4
         3: .line 168
            new java.lang.NullPointerException
            dup
            ldc "delimiters"
            invokespecial java.lang.NullPointerException.<init>:(Ljava/lang/String;)V
            athrow
         4: .line 170
      StackMap locals: io.netty.handler.codec.DelimiterBasedFrameDecoder int int int io.netty.buffer.ByteBuf[]
      StackMap stack:
            aload 4 /* delimiters */
            arraylength
            ifne 6
         5: .line 171
            new java.lang.IllegalArgumentException
            dup
            ldc "empty delimiters"
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
         6: .line 174
      StackMap locals:
      StackMap stack:
            aload 4 /* delimiters */
            invokestatic io.netty.handler.codec.DelimiterBasedFrameDecoder.isLineBased:([Lio/netty/buffer/ByteBuf;)Z
            ifeq 10
            aload 0 /* this */
            invokevirtual io.netty.handler.codec.DelimiterBasedFrameDecoder.isSubclass:()Z
            ifne 10
         7: .line 175
            aload 0 /* this */
            new io.netty.handler.codec.LineBasedFrameDecoder
            dup
            iload 1 /* maxFrameLength */
            iload 2 /* stripDelimiter */
            iload 3 /* failFast */
            invokespecial io.netty.handler.codec.LineBasedFrameDecoder.<init>:(IZZ)V
            putfield io.netty.handler.codec.DelimiterBasedFrameDecoder.lineBasedDecoder:Lio/netty/handler/codec/LineBasedFrameDecoder;
         8: .line 176
            aload 0 /* this */
            aconst_null
            putfield io.netty.handler.codec.DelimiterBasedFrameDecoder.delimiters:[Lio/netty/buffer/ByteBuf;
         9: .line 177
            goto 19
        10: .line 178
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            aload 4 /* delimiters */
            arraylength
            anewarray io.netty.buffer.ByteBuf
            putfield io.netty.handler.codec.DelimiterBasedFrameDecoder.delimiters:[Lio/netty/buffer/ByteBuf;
        11: .line 179
            iconst_0
            istore 5 /* i */
        start local 5 // int i
        12: goto 17
        13: .line 180
      StackMap locals: int
      StackMap stack:
            aload 4 /* delimiters */
            iload 5 /* i */
            aaload
            astore 6 /* d */
        start local 6 // io.netty.buffer.ByteBuf d
        14: .line 181
            aload 6 /* d */
            invokestatic io.netty.handler.codec.DelimiterBasedFrameDecoder.validateDelimiter:(Lio/netty/buffer/ByteBuf;)V
        15: .line 182
            aload 0 /* this */
            getfield io.netty.handler.codec.DelimiterBasedFrameDecoder.delimiters:[Lio/netty/buffer/ByteBuf;
            iload 5 /* i */
            aload 6 /* d */
            aload 6 /* d */
            invokevirtual io.netty.buffer.ByteBuf.readerIndex:()I
            aload 6 /* d */
            invokevirtual io.netty.buffer.ByteBuf.readableBytes:()I
            invokevirtual io.netty.buffer.ByteBuf.slice:(II)Lio/netty/buffer/ByteBuf;
            aastore
        end local 6 // io.netty.buffer.ByteBuf d
        16: .line 179
            iinc 5 /* i */ 1
      StackMap locals:
      StackMap stack:
        17: iload 5 /* i */
            aload 4 /* delimiters */
            arraylength
            if_icmplt 13
        end local 5 // int i
        18: .line 184
            aload 0 /* this */
            aconst_null
            putfield io.netty.handler.codec.DelimiterBasedFrameDecoder.lineBasedDecoder:Lio/netty/handler/codec/LineBasedFrameDecoder;
        19: .line 186
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            iload 1 /* maxFrameLength */
            putfield io.netty.handler.codec.DelimiterBasedFrameDecoder.maxFrameLength:I
        20: .line 187
            aload 0 /* this */
            iload 2 /* stripDelimiter */
            putfield io.netty.handler.codec.DelimiterBasedFrameDecoder.stripDelimiter:Z
        21: .line 188
            aload 0 /* this */
            iload 3 /* failFast */
            putfield io.netty.handler.codec.DelimiterBasedFrameDecoder.failFast:Z
        22: .line 189
            return
        end local 4 // io.netty.buffer.ByteBuf[] delimiters
        end local 3 // boolean failFast
        end local 2 // boolean stripDelimiter
        end local 1 // int maxFrameLength
        end local 0 // io.netty.handler.codec.DelimiterBasedFrameDecoder this
      LocalVariableTable:
        Start  End  Slot            Name  Signature
            0   23     0            this  Lio/netty/handler/codec/DelimiterBasedFrameDecoder;
            0   23     1  maxFrameLength  I
            0   23     2  stripDelimiter  Z
            0   23     3        failFast  Z
            0   23     4      delimiters  [Lio/netty/buffer/ByteBuf;
           12   18     5               i  I
           14   16     6               d  Lio/netty/buffer/ByteBuf;
    MethodParameters:
                Name  Flags
      maxFrameLength  
      stripDelimiter  
      failFast        
      delimiters      

  private static boolean isLineBased(io.netty.buffer.ByteBuf[]);
    descriptor: ([Lio/netty/buffer/ByteBuf;)Z
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC
    Code:
      stack=2, locals=3, args_size=1
        start local 0 // io.netty.buffer.ByteBuf[] delimiters
         0: .line 193
            aload 0 /* delimiters */
            arraylength
            iconst_2
            if_icmpeq 2
         1: .line 194
            iconst_0
            ireturn
         2: .line 196
      StackMap locals:
      StackMap stack:
            aload 0 /* delimiters */
            iconst_0
            aaload
            astore 1 /* a */
        start local 1 // io.netty.buffer.ByteBuf a
         3: .line 197
            aload 0 /* delimiters */
            iconst_1
            aaload
            astore 2 /* b */
        start local 2 // io.netty.buffer.ByteBuf b
         4: .line 198
            aload 1 /* a */
            invokevirtual io.netty.buffer.ByteBuf.capacity:()I
            aload 2 /* b */
            invokevirtual io.netty.buffer.ByteBuf.capacity:()I
            if_icmpge 7
         5: .line 199
            aload 0 /* delimiters */
            iconst_1
            aaload
            astore 1 /* a */
         6: .line 200
            aload 0 /* delimiters */
            iconst_0
            aaload
            astore 2 /* b */
         7: .line 202
      StackMap locals: io.netty.buffer.ByteBuf io.netty.buffer.ByteBuf
      StackMap stack:
            aload 1 /* a */
            invokevirtual io.netty.buffer.ByteBuf.capacity:()I
            iconst_2
            if_icmpne 11
            aload 2 /* b */
            invokevirtual io.netty.buffer.ByteBuf.capacity:()I
            iconst_1
            if_icmpne 11
         8: .line 203
            aload 1 /* a */
            iconst_0
            invokevirtual io.netty.buffer.ByteBuf.getByte:(I)B
            bipush 13
            if_icmpne 11
            aload 1 /* a */
            iconst_1
            invokevirtual io.netty.buffer.ByteBuf.getByte:(I)B
            bipush 10
            if_icmpne 11
         9: .line 204
            aload 2 /* b */
            iconst_0
            invokevirtual io.netty.buffer.ByteBuf.getByte:(I)B
            bipush 10
            if_icmpne 11
        10: .line 202
            iconst_1
            ireturn
      StackMap locals:
      StackMap stack:
        11: iconst_0
            ireturn
        end local 2 // io.netty.buffer.ByteBuf b
        end local 1 // io.netty.buffer.ByteBuf a
        end local 0 // io.netty.buffer.ByteBuf[] delimiters
      LocalVariableTable:
        Start  End  Slot        Name  Signature
            0   12     0  delimiters  [Lio/netty/buffer/ByteBuf;
            3   12     1           a  Lio/netty/buffer/ByteBuf;
            4   12     2           b  Lio/netty/buffer/ByteBuf;
    MethodParameters:
            Name  Flags
      delimiters  final

  private boolean isSubclass();
    descriptor: ()Z
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // io.netty.handler.codec.DelimiterBasedFrameDecoder this
         0: .line 211
            aload 0 /* this */
            invokevirtual java.lang.Object.getClass:()Ljava/lang/Class;
            ldc Lio/netty/handler/codec/DelimiterBasedFrameDecoder;
            if_acmpeq 1
            iconst_1
            ireturn
      StackMap locals:
      StackMap stack:
         1: iconst_0
            ireturn
        end local 0 // io.netty.handler.codec.DelimiterBasedFrameDecoder this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lio/netty/handler/codec/DelimiterBasedFrameDecoder;

  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.DelimiterBasedFrameDecoder 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 216
            aload 0 /* this */
            aload 1 /* ctx */
            aload 2 /* in */
            invokevirtual io.netty.handler.codec.DelimiterBasedFrameDecoder.decode:(Lio/netty/channel/ChannelHandlerContext;Lio/netty/buffer/ByteBuf;)Ljava/lang/Object;
            astore 4 /* decoded */
        start local 4 // java.lang.Object decoded
         1: .line 217
            aload 4 /* decoded */
            ifnull 3
         2: .line 218
            aload 3 /* out */
            aload 4 /* decoded */
            invokeinterface java.util.List.add:(Ljava/lang/Object;)Z
            pop
         3: .line 220
      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.DelimiterBasedFrameDecoder this
      LocalVariableTable:
        Start  End  Slot     Name  Signature
            0    4     0     this  Lio/netty/handler/codec/DelimiterBasedFrameDecoder;
            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=3, locals=10, args_size=3
        start local 0 // io.netty.handler.codec.DelimiterBasedFrameDecoder this
        start local 1 // io.netty.channel.ChannelHandlerContext ctx
        start local 2 // io.netty.buffer.ByteBuf buffer
         0: .line 231
            aload 0 /* this */
            getfield io.netty.handler.codec.DelimiterBasedFrameDecoder.lineBasedDecoder:Lio/netty/handler/codec/LineBasedFrameDecoder;
            ifnull 2
         1: .line 232
            aload 0 /* this */
            getfield io.netty.handler.codec.DelimiterBasedFrameDecoder.lineBasedDecoder:Lio/netty/handler/codec/LineBasedFrameDecoder;
            aload 1 /* ctx */
            aload 2 /* buffer */
            invokevirtual io.netty.handler.codec.LineBasedFrameDecoder.decode:(Lio/netty/channel/ChannelHandlerContext;Lio/netty/buffer/ByteBuf;)Ljava/lang/Object;
            areturn
         2: .line 235
      StackMap locals:
      StackMap stack:
            ldc 2147483647
            istore 3 /* minFrameLength */
        start local 3 // int minFrameLength
         3: .line 236
            aconst_null
            astore 4 /* minDelim */
        start local 4 // io.netty.buffer.ByteBuf minDelim
         4: .line 237
            aload 0 /* this */
            getfield io.netty.handler.codec.DelimiterBasedFrameDecoder.delimiters:[Lio/netty/buffer/ByteBuf;
            dup
            astore 8
            arraylength
            istore 7
            iconst_0
            istore 6
            goto 11
      StackMap locals: io.netty.handler.codec.DelimiterBasedFrameDecoder io.netty.channel.ChannelHandlerContext io.netty.buffer.ByteBuf int io.netty.buffer.ByteBuf top int int io.netty.buffer.ByteBuf[]
      StackMap stack:
         5: aload 8
            iload 6
            aaload
            astore 5 /* delim */
        start local 5 // io.netty.buffer.ByteBuf delim
         6: .line 238
            aload 2 /* buffer */
            aload 5 /* delim */
            invokestatic io.netty.handler.codec.DelimiterBasedFrameDecoder.indexOf:(Lio/netty/buffer/ByteBuf;Lio/netty/buffer/ByteBuf;)I
            istore 9 /* frameLength */
        start local 9 // int frameLength
         7: .line 239
            iload 9 /* frameLength */
            iflt 10
            iload 9 /* frameLength */
            iload 3 /* minFrameLength */
            if_icmpge 10
         8: .line 240
            iload 9 /* frameLength */
            istore 3 /* minFrameLength */
         9: .line 241
            aload 5 /* delim */
            astore 4 /* minDelim */
        end local 9 // int frameLength
        end local 5 // io.netty.buffer.ByteBuf delim
        10: .line 237
      StackMap locals:
      StackMap stack:
            iinc 6 1
      StackMap locals:
      StackMap stack:
        11: iload 6
            iload 7
            if_icmplt 5
        12: .line 245
            aload 4 /* minDelim */
            ifnull 32
        13: .line 246
            aload 4 /* minDelim */
            invokevirtual io.netty.buffer.ByteBuf.capacity:()I
            istore 5 /* minDelimLength */
        start local 5 // int minDelimLength
        14: .line 249
            aload 0 /* this */
            getfield io.netty.handler.codec.DelimiterBasedFrameDecoder.discardingTooLongFrame:Z
            ifeq 22
        15: .line 252
            aload 0 /* this */
            iconst_0
            putfield io.netty.handler.codec.DelimiterBasedFrameDecoder.discardingTooLongFrame:Z
        16: .line 253
            aload 2 /* buffer */
            iload 3 /* minFrameLength */
            iload 5 /* minDelimLength */
            iadd
            invokevirtual io.netty.buffer.ByteBuf.skipBytes:(I)Lio/netty/buffer/ByteBuf;
            pop
        17: .line 255
            aload 0 /* this */
            getfield io.netty.handler.codec.DelimiterBasedFrameDecoder.tooLongFrameLength:I
            istore 7 /* tooLongFrameLength */
        start local 7 // int tooLongFrameLength
        18: .line 256
            aload 0 /* this */
            iconst_0
            putfield io.netty.handler.codec.DelimiterBasedFrameDecoder.tooLongFrameLength:I
        19: .line 257
            aload 0 /* this */
            getfield io.netty.handler.codec.DelimiterBasedFrameDecoder.failFast:Z
            ifne 21
        20: .line 258
            aload 0 /* this */
            iload 7 /* tooLongFrameLength */
            i2l
            invokevirtual io.netty.handler.codec.DelimiterBasedFrameDecoder.fail:(J)V
        21: .line 260
      StackMap locals: io.netty.handler.codec.DelimiterBasedFrameDecoder io.netty.channel.ChannelHandlerContext io.netty.buffer.ByteBuf int io.netty.buffer.ByteBuf int top int
      StackMap stack:
            aconst_null
            areturn
        end local 7 // int tooLongFrameLength
        22: .line 263
      StackMap locals: io.netty.handler.codec.DelimiterBasedFrameDecoder io.netty.channel.ChannelHandlerContext io.netty.buffer.ByteBuf int io.netty.buffer.ByteBuf int
      StackMap stack:
            iload 3 /* minFrameLength */
            aload 0 /* this */
            getfield io.netty.handler.codec.DelimiterBasedFrameDecoder.maxFrameLength:I
            if_icmple 26
        23: .line 265
            aload 2 /* buffer */
            iload 3 /* minFrameLength */
            iload 5 /* minDelimLength */
            iadd
            invokevirtual io.netty.buffer.ByteBuf.skipBytes:(I)Lio/netty/buffer/ByteBuf;
            pop
        24: .line 266
            aload 0 /* this */
            iload 3 /* minFrameLength */
            i2l
            invokevirtual io.netty.handler.codec.DelimiterBasedFrameDecoder.fail:(J)V
        25: .line 267
            aconst_null
            areturn
        26: .line 270
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield io.netty.handler.codec.DelimiterBasedFrameDecoder.stripDelimiter:Z
            ifeq 30
        27: .line 271
            aload 2 /* buffer */
            iload 3 /* minFrameLength */
            invokevirtual io.netty.buffer.ByteBuf.readRetainedSlice:(I)Lio/netty/buffer/ByteBuf;
            astore 6 /* frame */
        start local 6 // io.netty.buffer.ByteBuf frame
        28: .line 272
            aload 2 /* buffer */
            iload 5 /* minDelimLength */
            invokevirtual io.netty.buffer.ByteBuf.skipBytes:(I)Lio/netty/buffer/ByteBuf;
            pop
        29: .line 273
            goto 31
        end local 6 // io.netty.buffer.ByteBuf frame
        30: .line 274
      StackMap locals:
      StackMap stack:
            aload 2 /* buffer */
            iload 3 /* minFrameLength */
            iload 5 /* minDelimLength */
            iadd
            invokevirtual io.netty.buffer.ByteBuf.readRetainedSlice:(I)Lio/netty/buffer/ByteBuf;
            astore 6 /* frame */
        start local 6 // io.netty.buffer.ByteBuf frame
        31: .line 277
      StackMap locals: io.netty.buffer.ByteBuf
      StackMap stack:
            aload 6 /* frame */
            areturn
        end local 6 // io.netty.buffer.ByteBuf frame
        end local 5 // int minDelimLength
        32: .line 279
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield io.netty.handler.codec.DelimiterBasedFrameDecoder.discardingTooLongFrame:Z
            ifne 40
        33: .line 280
            aload 2 /* buffer */
            invokevirtual io.netty.buffer.ByteBuf.readableBytes:()I
            aload 0 /* this */
            getfield io.netty.handler.codec.DelimiterBasedFrameDecoder.maxFrameLength:I
            if_icmple 42
        34: .line 282
            aload 0 /* this */
            aload 2 /* buffer */
            invokevirtual io.netty.buffer.ByteBuf.readableBytes:()I
            putfield io.netty.handler.codec.DelimiterBasedFrameDecoder.tooLongFrameLength:I
        35: .line 283
            aload 2 /* buffer */
            aload 2 /* buffer */
            invokevirtual io.netty.buffer.ByteBuf.readableBytes:()I
            invokevirtual io.netty.buffer.ByteBuf.skipBytes:(I)Lio/netty/buffer/ByteBuf;
            pop
        36: .line 284
            aload 0 /* this */
            iconst_1
            putfield io.netty.handler.codec.DelimiterBasedFrameDecoder.discardingTooLongFrame:Z
        37: .line 285
            aload 0 /* this */
            getfield io.netty.handler.codec.DelimiterBasedFrameDecoder.failFast:Z
            ifeq 42
        38: .line 286
            aload 0 /* this */
            aload 0 /* this */
            getfield io.netty.handler.codec.DelimiterBasedFrameDecoder.tooLongFrameLength:I
            i2l
            invokevirtual io.netty.handler.codec.DelimiterBasedFrameDecoder.fail:(J)V
        39: .line 289
            goto 42
        40: .line 291
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            dup
            getfield io.netty.handler.codec.DelimiterBasedFrameDecoder.tooLongFrameLength:I
            aload 2 /* buffer */
            invokevirtual io.netty.buffer.ByteBuf.readableBytes:()I
            iadd
            putfield io.netty.handler.codec.DelimiterBasedFrameDecoder.tooLongFrameLength:I
        41: .line 292
            aload 2 /* buffer */
            aload 2 /* buffer */
            invokevirtual io.netty.buffer.ByteBuf.readableBytes:()I
            invokevirtual io.netty.buffer.ByteBuf.skipBytes:(I)Lio/netty/buffer/ByteBuf;
            pop
        42: .line 294
      StackMap locals:
      StackMap stack:
            aconst_null
            areturn
        end local 4 // io.netty.buffer.ByteBuf minDelim
        end local 3 // int minFrameLength
        end local 2 // io.netty.buffer.ByteBuf buffer
        end local 1 // io.netty.channel.ChannelHandlerContext ctx
        end local 0 // io.netty.handler.codec.DelimiterBasedFrameDecoder this
      LocalVariableTable:
        Start  End  Slot                Name  Signature
            0   43     0                this  Lio/netty/handler/codec/DelimiterBasedFrameDecoder;
            0   43     1                 ctx  Lio/netty/channel/ChannelHandlerContext;
            0   43     2              buffer  Lio/netty/buffer/ByteBuf;
            3   43     3      minFrameLength  I
            4   43     4            minDelim  Lio/netty/buffer/ByteBuf;
            6   10     5               delim  Lio/netty/buffer/ByteBuf;
            7   10     9         frameLength  I
           14   32     5      minDelimLength  I
           28   30     6               frame  Lio/netty/buffer/ByteBuf;
           31   32     6               frame  Lio/netty/buffer/ByteBuf;
           18   22     7  tooLongFrameLength  I
    Exceptions:
      throws java.lang.Exception
    MethodParameters:
        Name  Flags
      ctx     
      buffer  

  private void fail(long);
    descriptor: (J)V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=5, locals=3, args_size=2
        start local 0 // io.netty.handler.codec.DelimiterBasedFrameDecoder this
        start local 1 // long frameLength
         0: .line 299
            lload 1 /* frameLength */
            lconst_0
            lcmp
            ifle 6
         1: .line 300
            new io.netty.handler.codec.TooLongFrameException
            dup
         2: .line 301
            new java.lang.StringBuilder
            dup
            ldc "frame length exceeds "
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            aload 0 /* this */
            getfield io.netty.handler.codec.DelimiterBasedFrameDecoder.maxFrameLength:I
            invokevirtual java.lang.StringBuilder.append:(I)Ljava/lang/StringBuilder;
         3: .line 302
            ldc ": "
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            lload 1 /* frameLength */
            invokevirtual java.lang.StringBuilder.append:(J)Ljava/lang/StringBuilder;
            ldc " - discarded"
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
         4: .line 301
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
         5: .line 300
            invokespecial io.netty.handler.codec.TooLongFrameException.<init>:(Ljava/lang/String;)V
            athrow
         6: .line 304
      StackMap locals:
      StackMap stack:
            new io.netty.handler.codec.TooLongFrameException
            dup
         7: .line 305
            new java.lang.StringBuilder
            dup
            ldc "frame length exceeds "
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            aload 0 /* this */
            getfield io.netty.handler.codec.DelimiterBasedFrameDecoder.maxFrameLength:I
            invokevirtual java.lang.StringBuilder.append:(I)Ljava/lang/StringBuilder;
         8: .line 306
            ldc " - discarding"
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
         9: .line 305
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
        10: .line 304
            invokespecial io.netty.handler.codec.TooLongFrameException.<init>:(Ljava/lang/String;)V
            athrow
        end local 1 // long frameLength
        end local 0 // io.netty.handler.codec.DelimiterBasedFrameDecoder this
      LocalVariableTable:
        Start  End  Slot         Name  Signature
            0   11     0         this  Lio/netty/handler/codec/DelimiterBasedFrameDecoder;
            0   11     1  frameLength  J
    MethodParameters:
             Name  Flags
      frameLength  

  private static int indexOf(io.netty.buffer.ByteBuf, io.netty.buffer.ByteBuf);
    descriptor: (Lio/netty/buffer/ByteBuf;Lio/netty/buffer/ByteBuf;)I
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC
    Code:
      stack=3, locals=5, args_size=2
        start local 0 // io.netty.buffer.ByteBuf haystack
        start local 1 // io.netty.buffer.ByteBuf needle
         0: .line 316
            aload 0 /* haystack */
            invokevirtual io.netty.buffer.ByteBuf.readerIndex:()I
            istore 2 /* i */
        start local 2 // int i
         1: goto 16
         2: .line 317
      StackMap locals: int
      StackMap stack:
            iload 2 /* i */
            istore 3 /* haystackIndex */
        start local 3 // int haystackIndex
         3: .line 319
            iconst_0
            istore 4 /* needleIndex */
        start local 4 // int needleIndex
         4: goto 12
         5: .line 320
      StackMap locals: int int
      StackMap stack:
            aload 0 /* haystack */
            iload 3 /* haystackIndex */
            invokevirtual io.netty.buffer.ByteBuf.getByte:(I)B
            aload 1 /* needle */
            iload 4 /* needleIndex */
            invokevirtual io.netty.buffer.ByteBuf.getByte:(I)B
            if_icmpeq 7
         6: .line 321
            goto 13
         7: .line 323
      StackMap locals:
      StackMap stack:
            iinc 3 /* haystackIndex */ 1
         8: .line 324
            iload 3 /* haystackIndex */
            aload 0 /* haystack */
            invokevirtual io.netty.buffer.ByteBuf.writerIndex:()I
            if_icmpne 11
         9: .line 325
            iload 4 /* needleIndex */
            aload 1 /* needle */
            invokevirtual io.netty.buffer.ByteBuf.capacity:()I
            iconst_1
            isub
            if_icmpeq 11
        10: .line 326
            iconst_m1
            ireturn
        11: .line 319
      StackMap locals:
      StackMap stack:
            iinc 4 /* needleIndex */ 1
      StackMap locals:
      StackMap stack:
        12: iload 4 /* needleIndex */
            aload 1 /* needle */
            invokevirtual io.netty.buffer.ByteBuf.capacity:()I
            if_icmplt 5
        13: .line 331
      StackMap locals:
      StackMap stack:
            iload 4 /* needleIndex */
            aload 1 /* needle */
            invokevirtual io.netty.buffer.ByteBuf.capacity:()I
            if_icmpne 15
        14: .line 333
            iload 2 /* i */
            aload 0 /* haystack */
            invokevirtual io.netty.buffer.ByteBuf.readerIndex:()I
            isub
            ireturn
        end local 4 // int needleIndex
        end local 3 // int haystackIndex
        15: .line 316
      StackMap locals:
      StackMap stack:
            iinc 2 /* i */ 1
      StackMap locals:
      StackMap stack:
        16: iload 2 /* i */
            aload 0 /* haystack */
            invokevirtual io.netty.buffer.ByteBuf.writerIndex:()I
            if_icmplt 2
        end local 2 // int i
        17: .line 336
            iconst_m1
            ireturn
        end local 1 // io.netty.buffer.ByteBuf needle
        end local 0 // io.netty.buffer.ByteBuf haystack
      LocalVariableTable:
        Start  End  Slot           Name  Signature
            0   18     0       haystack  Lio/netty/buffer/ByteBuf;
            0   18     1         needle  Lio/netty/buffer/ByteBuf;
            1   17     2              i  I
            3   15     3  haystackIndex  I
            4   15     4    needleIndex  I
    MethodParameters:
          Name  Flags
      haystack  
      needle    

  private static void validateDelimiter(io.netty.buffer.ByteBuf);
    descriptor: (Lio/netty/buffer/ByteBuf;)V
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC
    Code:
      stack=3, locals=1, args_size=1
        start local 0 // io.netty.buffer.ByteBuf delimiter
         0: .line 340
            aload 0 /* delimiter */
            ifnonnull 2
         1: .line 341
            new java.lang.NullPointerException
            dup
            ldc "delimiter"
            invokespecial java.lang.NullPointerException.<init>:(Ljava/lang/String;)V
            athrow
         2: .line 343
      StackMap locals:
      StackMap stack:
            aload 0 /* delimiter */
            invokevirtual io.netty.buffer.ByteBuf.isReadable:()Z
            ifne 4
         3: .line 344
            new java.lang.IllegalArgumentException
            dup
            ldc "empty delimiter"
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
         4: .line 346
      StackMap locals:
      StackMap stack:
            return
        end local 0 // io.netty.buffer.ByteBuf delimiter
      LocalVariableTable:
        Start  End  Slot       Name  Signature
            0    5     0  delimiter  Lio/netty/buffer/ByteBuf;
    MethodParameters:
           Name  Flags
      delimiter  

  private static void validateMaxFrameLength(int);
    descriptor: (I)V
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC
    Code:
      stack=5, locals=1, args_size=1
        start local 0 // int maxFrameLength
         0: .line 349
            iload 0 /* maxFrameLength */
            ifgt 6
         1: .line 350
            new java.lang.IllegalArgumentException
            dup
         2: .line 351
            new java.lang.StringBuilder
            dup
            ldc "maxFrameLength must be a positive integer: "
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
         3: .line 352
            iload 0 /* maxFrameLength */
            invokevirtual java.lang.StringBuilder.append:(I)Ljava/lang/StringBuilder;
         4: .line 351
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
         5: .line 350
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
         6: .line 354
      StackMap locals:
      StackMap stack:
            return
        end local 0 // int maxFrameLength
      LocalVariableTable:
        Start  End  Slot            Name  Signature
            0    7     0  maxFrameLength  I
    MethodParameters:
                Name  Flags
      maxFrameLength  
}
SourceFile: "DelimiterBasedFrameDecoder.java"