https://commons.apache.org/proper/commons-compress/: Apache Commons Compress software defines an API for working with compression and archive formats. These include: bzip2, gzip, pack200, lzma, xz, Snappy, traditional Unix Compress, DEFLATE, DEFLATE64, LZ4, Brotli, Zstandard and ar, cpio, jar, tar, zip, dump, 7z, arj. (The Apache Software Foundation)
  • Wolfgang Glas
  • Christian Kohlschütte
  • Bear Giles
  • Michael Kuss
  • Lasse Collin
  • John Kodis
  • BELUGA BEHR
  • Simon Spero
  • Michael Hausegger
  • Torsten Curdt
  • Stefan Bodewig
  • Sebastian Bazley
  • Christian Grobmeier
  • Julius Davies
  • Damjan Jovanovic
  • Emmanuel Bourg
  • Gary Gregory
  • Rob Tompkins 
public class org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream extends org.apache.commons.compress.compressors.CompressorInputStream implements org.apache.commons.compress.utils.InputStreamStatistics
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream
  super_class: org.apache.commons.compress.compressors.CompressorInputStream
{
  static final byte[] LZ4_SIGNATURE;
    descriptor: [B
    flags: (0x0018) ACC_STATIC, ACC_FINAL

  private static final byte[] SKIPPABLE_FRAME_TRAILER;
    descriptor: [B
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL

  private static final byte SKIPPABLE_FRAME_PREFIX_BYTE_MASK;
    descriptor: B
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
    ConstantValue: 80

  static final int VERSION_MASK;
    descriptor: I
    flags: (0x0018) ACC_STATIC, ACC_FINAL
    ConstantValue: 192

  static final int SUPPORTED_VERSION;
    descriptor: I
    flags: (0x0018) ACC_STATIC, ACC_FINAL
    ConstantValue: 64

  static final int BLOCK_INDEPENDENCE_MASK;
    descriptor: I
    flags: (0x0018) ACC_STATIC, ACC_FINAL
    ConstantValue: 32

  static final int BLOCK_CHECKSUM_MASK;
    descriptor: I
    flags: (0x0018) ACC_STATIC, ACC_FINAL
    ConstantValue: 16

  static final int CONTENT_SIZE_MASK;
    descriptor: I
    flags: (0x0018) ACC_STATIC, ACC_FINAL
    ConstantValue: 8

  static final int CONTENT_CHECKSUM_MASK;
    descriptor: I
    flags: (0x0018) ACC_STATIC, ACC_FINAL
    ConstantValue: 4

  static final int BLOCK_MAX_SIZE_MASK;
    descriptor: I
    flags: (0x0018) ACC_STATIC, ACC_FINAL
    ConstantValue: 112

  static final int UNCOMPRESSED_FLAG_MASK;
    descriptor: I
    flags: (0x0018) ACC_STATIC, ACC_FINAL
    ConstantValue: -2147483648

  private final byte[] oneByte;
    descriptor: [B
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private final org.apache.commons.compress.utils.ByteUtils$ByteSupplier supplier;
    descriptor: Lorg/apache/commons/compress/utils/ByteUtils$ByteSupplier;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private final org.apache.commons.compress.utils.CountingInputStream in;
    descriptor: Lorg/apache/commons/compress/utils/CountingInputStream;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

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

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

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

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

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

  private java.io.InputStream currentBlock;
    descriptor: Ljava/io/InputStream;
    flags: (0x0002) ACC_PRIVATE

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

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

  private final org.apache.commons.compress.compressors.lz4.XXHash32 contentHash;
    descriptor: Lorg/apache/commons/compress/compressors/lz4/XXHash32;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private final org.apache.commons.compress.compressors.lz4.XXHash32 blockHash;
    descriptor: Lorg/apache/commons/compress/compressors/lz4/XXHash32;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private byte[] blockDependencyBuffer;
    descriptor: [B
    flags: (0x0002) ACC_PRIVATE

  static void <clinit>();
    descriptor: ()V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=4, locals=0, args_size=0
         0: .line 46
            iconst_4
            newarray 8
            dup
            iconst_0
         1: .line 47
            iconst_4
            bastore
            dup
            iconst_1
            bipush 34
            bastore
            dup
            iconst_2
            bipush 77
            bastore
            dup
            iconst_3
            bipush 24
            bastore
         2: .line 46
            putstatic org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream.LZ4_SIGNATURE:[B
         3: .line 49
            iconst_3
            newarray 8
            dup
            iconst_0
         4: .line 50
            bipush 42
            bastore
            dup
            iconst_1
            bipush 77
            bastore
            dup
            iconst_2
            bipush 24
            bastore
         5: .line 49
            putstatic org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream.SKIPPABLE_FRAME_TRAILER:[B
         6: .line 61
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  public void <init>(java.io.InputStream);
    descriptor: (Ljava/io/InputStream;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=2, args_size=2
        start local 0 // org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream this
        start local 1 // java.io.InputStream in
         0: .line 101
            aload 0 /* this */
            aload 1 /* in */
            iconst_0
            invokespecial org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream.<init>:(Ljava/io/InputStream;Z)V
         1: .line 102
            return
        end local 1 // java.io.InputStream in
        end local 0 // org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lorg/apache/commons/compress/compressors/lz4/FramedLZ4CompressorInputStream;
            0    2     1    in  Ljava/io/InputStream;
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      in    

  public void <init>(java.io.InputStream, boolean);
    descriptor: (Ljava/io/InputStream;Z)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=3, args_size=3
        start local 0 // org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream this
        start local 1 // java.io.InputStream in
        start local 2 // boolean decompressConcatenated
         0: .line 114
            aload 0 /* this */
            invokespecial org.apache.commons.compress.compressors.CompressorInputStream.<init>:()V
         1: .line 64
            aload 0 /* this */
            iconst_1
            newarray 8
            putfield org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream.oneByte:[B
         2: .line 66
            aload 0 /* this */
            new org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream$1
            dup
            aload 0 /* this */
            invokespecial org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream$1.<init>:(Lorg/apache/commons/compress/compressors/lz4/FramedLZ4CompressorInputStream;)V
            putfield org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream.supplier:Lorg/apache/commons/compress/utils/ByteUtils$ByteSupplier;
         3: .line 85
            aload 0 /* this */
            new org.apache.commons.compress.compressors.lz4.XXHash32
            dup
            invokespecial org.apache.commons.compress.compressors.lz4.XXHash32.<init>:()V
            putfield org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream.contentHash:Lorg/apache/commons/compress/compressors/lz4/XXHash32;
         4: .line 88
            aload 0 /* this */
            new org.apache.commons.compress.compressors.lz4.XXHash32
            dup
            invokespecial org.apache.commons.compress.compressors.lz4.XXHash32.<init>:()V
            putfield org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream.blockHash:Lorg/apache/commons/compress/compressors/lz4/XXHash32;
         5: .line 115
            aload 0 /* this */
            new org.apache.commons.compress.utils.CountingInputStream
            dup
            aload 1 /* in */
            invokespecial org.apache.commons.compress.utils.CountingInputStream.<init>:(Ljava/io/InputStream;)V
            putfield org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream.in:Lorg/apache/commons/compress/utils/CountingInputStream;
         6: .line 116
            aload 0 /* this */
            iload 2 /* decompressConcatenated */
            putfield org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream.decompressConcatenated:Z
         7: .line 117
            aload 0 /* this */
            iconst_1
            invokevirtual org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream.init:(Z)V
         8: .line 118
            return
        end local 2 // boolean decompressConcatenated
        end local 1 // java.io.InputStream in
        end local 0 // org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream this
      LocalVariableTable:
        Start  End  Slot                    Name  Signature
            0    9     0                    this  Lorg/apache/commons/compress/compressors/lz4/FramedLZ4CompressorInputStream;
            0    9     1                      in  Ljava/io/InputStream;
            0    9     2  decompressConcatenated  Z
    Exceptions:
      throws java.io.IOException
    MethodParameters:
                        Name  Flags
      in                      
      decompressConcatenated  

  public int read();
    descriptor: ()I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=1, args_size=1
        start local 0 // org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream this
         0: .line 123
            aload 0 /* this */
            aload 0 /* this */
            getfield org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream.oneByte:[B
            iconst_0
            iconst_1
            invokevirtual org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream.read:([BII)I
            iconst_m1
            if_icmpne 1
            iconst_m1
            goto 2
      StackMap locals:
      StackMap stack:
         1: aload 0 /* this */
            getfield org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream.oneByte:[B
            iconst_0
            baload
            sipush 255
            iand
      StackMap locals:
      StackMap stack: int
         2: ireturn
        end local 0 // org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Lorg/apache/commons/compress/compressors/lz4/FramedLZ4CompressorInputStream;
    Exceptions:
      throws java.io.IOException

  public void close();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=1
        start local 0 // org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream this
         0: .line 130
            aload 0 /* this */
            getfield org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream.currentBlock:Ljava/io/InputStream;
            ifnull 7
         1: .line 131
            aload 0 /* this */
            getfield org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream.currentBlock:Ljava/io/InputStream;
            invokevirtual java.io.InputStream.close:()V
         2: .line 132
            aload 0 /* this */
            aconst_null
            putfield org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream.currentBlock:Ljava/io/InputStream;
         3: .line 134
            goto 7
      StackMap locals:
      StackMap stack: java.lang.Throwable
         4: astore 1
         5: .line 135
            aload 0 /* this */
            getfield org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream.in:Lorg/apache/commons/compress/utils/CountingInputStream;
            invokevirtual org.apache.commons.compress.utils.CountingInputStream.close:()V
         6: .line 136
            aload 1
            athrow
         7: .line 135
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream.in:Lorg/apache/commons/compress/utils/CountingInputStream;
            invokevirtual org.apache.commons.compress.utils.CountingInputStream.close:()V
         8: .line 137
            return
        end local 0 // org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    9     0  this  Lorg/apache/commons/compress/compressors/lz4/FramedLZ4CompressorInputStream;
      Exception table:
        from    to  target  type
           0     4       4  any
    Exceptions:
      throws java.io.IOException

  public int read(byte[], int, int);
    descriptor: ([BII)I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=5, args_size=4
        start local 0 // org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream this
        start local 1 // byte[] b
        start local 2 // int off
        start local 3 // int len
         0: .line 142
            aload 0 /* this */
            getfield org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream.endReached:Z
            ifeq 2
         1: .line 143
            iconst_m1
            ireturn
         2: .line 145
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            aload 1 /* b */
            iload 2 /* off */
            iload 3 /* len */
            invokevirtual org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream.readOnce:([BII)I
            istore 4 /* r */
        start local 4 // int r
         3: .line 146
            iload 4 /* r */
            iconst_m1
            if_icmpne 7
         4: .line 147
            aload 0 /* this */
            invokevirtual org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream.nextBlock:()V
         5: .line 148
            aload 0 /* this */
            getfield org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream.endReached:Z
            ifne 7
         6: .line 149
            aload 0 /* this */
            aload 1 /* b */
            iload 2 /* off */
            iload 3 /* len */
            invokevirtual org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream.readOnce:([BII)I
            istore 4 /* r */
         7: .line 152
      StackMap locals: int
      StackMap stack:
            iload 4 /* r */
            iconst_m1
            if_icmpeq 12
         8: .line 153
            aload 0 /* this */
            getfield org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream.expectBlockDependency:Z
            ifeq 10
         9: .line 154
            aload 0 /* this */
            aload 1 /* b */
            iload 2 /* off */
            iload 4 /* r */
            invokevirtual org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream.appendToBlockDependencyBuffer:([BII)V
        10: .line 156
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream.expectContentChecksum:Z
            ifeq 12
        11: .line 157
            aload 0 /* this */
            getfield org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream.contentHash:Lorg/apache/commons/compress/compressors/lz4/XXHash32;
            aload 1 /* b */
            iload 2 /* off */
            iload 4 /* r */
            invokevirtual org.apache.commons.compress.compressors.lz4.XXHash32.update:([BII)V
        12: .line 160
      StackMap locals:
      StackMap stack:
            iload 4 /* r */
            ireturn
        end local 4 // int r
        end local 3 // int len
        end local 2 // int off
        end local 1 // byte[] b
        end local 0 // org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0   13     0  this  Lorg/apache/commons/compress/compressors/lz4/FramedLZ4CompressorInputStream;
            0   13     1     b  [B
            0   13     2   off  I
            0   13     3   len  I
            3   13     4     r  I
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      b     final
      off   final
      len   final

  public long getCompressedCount();
    descriptor: ()J
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream this
         0: .line 168
            aload 0 /* this */
            getfield org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream.in:Lorg/apache/commons/compress/utils/CountingInputStream;
            invokevirtual org.apache.commons.compress.utils.CountingInputStream.getBytesRead:()J
            lreturn
        end local 0 // org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/apache/commons/compress/compressors/lz4/FramedLZ4CompressorInputStream;

  private void init(boolean);
    descriptor: (Z)V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream this
        start local 1 // boolean firstFrame
         0: .line 172
            aload 0 /* this */
            iload 1 /* firstFrame */
            invokevirtual org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream.readSignature:(Z)Z
            ifeq 3
         1: .line 173
            aload 0 /* this */
            invokevirtual org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream.readFrameDescriptor:()V
         2: .line 174
            aload 0 /* this */
            invokevirtual org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream.nextBlock:()V
         3: .line 176
      StackMap locals:
      StackMap stack:
            return
        end local 1 // boolean firstFrame
        end local 0 // org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream this
      LocalVariableTable:
        Start  End  Slot        Name  Signature
            0    4     0        this  Lorg/apache/commons/compress/compressors/lz4/FramedLZ4CompressorInputStream;
            0    4     1  firstFrame  Z
    Exceptions:
      throws java.io.IOException
    MethodParameters:
            Name  Flags
      firstFrame  

  private boolean readSignature(boolean);
    descriptor: (Z)Z
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=3, locals=5, args_size=2
        start local 0 // org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream this
        start local 1 // boolean firstFrame
         0: .line 179
            iload 1 /* firstFrame */
            ifeq 1
            ldc "Not a LZ4 frame stream"
            goto 2
      StackMap locals:
      StackMap stack:
         1: ldc "LZ4 frame stream followed by garbage"
      StackMap locals:
      StackMap stack: java.lang.String
         2: astore 2 /* garbageMessage */
        start local 2 // java.lang.String garbageMessage
         3: .line 180
            iconst_4
            newarray 8
            astore 3 /* b */
        start local 3 // byte[] b
         4: .line 181
            aload 0 /* this */
            getfield org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream.in:Lorg/apache/commons/compress/utils/CountingInputStream;
            aload 3 /* b */
            invokestatic org.apache.commons.compress.utils.IOUtils.readFully:(Ljava/io/InputStream;[B)I
            istore 4 /* read */
        start local 4 // int read
         5: .line 182
            aload 0 /* this */
            iload 4 /* read */
            invokevirtual org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream.count:(I)V
         6: .line 183
            iload 4 /* read */
            ifne 9
            iload 1 /* firstFrame */
            ifne 9
         7: .line 185
            aload 0 /* this */
            iconst_1
            putfield org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream.endReached:Z
         8: .line 186
            iconst_0
            ireturn
         9: .line 188
      StackMap locals: java.lang.String byte[] int
      StackMap stack:
            iconst_4
            iload 4 /* read */
            if_icmpeq 11
        10: .line 189
            new java.io.IOException
            dup
            aload 2 /* garbageMessage */
            invokespecial java.io.IOException.<init>:(Ljava/lang/String;)V
            athrow
        11: .line 192
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            aload 3 /* b */
            invokevirtual org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream.skipSkippableFrame:([B)I
            istore 4 /* read */
        12: .line 193
            iload 4 /* read */
            ifne 15
            iload 1 /* firstFrame */
            ifne 15
        13: .line 195
            aload 0 /* this */
            iconst_1
            putfield org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream.endReached:Z
        14: .line 196
            iconst_0
            ireturn
        15: .line 198
      StackMap locals:
      StackMap stack:
            iconst_4
            iload 4 /* read */
            if_icmpne 16
            aload 3 /* b */
            iconst_4
            invokestatic org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream.matches:([BI)Z
            ifne 17
        16: .line 199
      StackMap locals:
      StackMap stack:
            new java.io.IOException
            dup
            aload 2 /* garbageMessage */
            invokespecial java.io.IOException.<init>:(Ljava/lang/String;)V
            athrow
        17: .line 201
      StackMap locals:
      StackMap stack:
            iconst_1
            ireturn
        end local 4 // int read
        end local 3 // byte[] b
        end local 2 // java.lang.String garbageMessage
        end local 1 // boolean firstFrame
        end local 0 // org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream this
      LocalVariableTable:
        Start  End  Slot            Name  Signature
            0   18     0            this  Lorg/apache/commons/compress/compressors/lz4/FramedLZ4CompressorInputStream;
            0   18     1      firstFrame  Z
            3   18     2  garbageMessage  Ljava/lang/String;
            4   18     3               b  [B
            5   18     4            read  I
    Exceptions:
      throws java.io.IOException
    MethodParameters:
            Name  Flags
      firstFrame  

  private void readFrameDescriptor();
    descriptor: ()V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=5, locals=5, args_size=1
        start local 0 // org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream this
         0: .line 205
            aload 0 /* this */
            invokevirtual org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream.readOneByte:()I
            istore 1 /* flags */
        start local 1 // int flags
         1: .line 206
            iload 1 /* flags */
            iconst_m1
            if_icmpne 3
         2: .line 207
            new java.io.IOException
            dup
            ldc "Premature end of stream while reading frame flags"
            invokespecial java.io.IOException.<init>:(Ljava/lang/String;)V
            athrow
         3: .line 209
      StackMap locals: int
      StackMap stack:
            aload 0 /* this */
            getfield org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream.contentHash:Lorg/apache/commons/compress/compressors/lz4/XXHash32;
            iload 1 /* flags */
            invokevirtual org.apache.commons.compress.compressors.lz4.XXHash32.update:(I)V
         4: .line 210
            iload 1 /* flags */
            sipush 192
            iand
            bipush 64
            if_icmpeq 6
         5: .line 211
            new java.io.IOException
            dup
            new java.lang.StringBuilder
            dup
            ldc "Unsupported version "
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            iload 1 /* flags */
            bipush 6
            ishr
            invokevirtual java.lang.StringBuilder.append:(I)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            invokespecial java.io.IOException.<init>:(Ljava/lang/String;)V
            athrow
         6: .line 213
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            iload 1 /* flags */
            bipush 32
            iand
            ifne 7
            iconst_1
            goto 8
      StackMap locals:
      StackMap stack: org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream
         7: iconst_0
      StackMap locals: org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream int
      StackMap stack: org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream int
         8: putfield org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream.expectBlockDependency:Z
         9: .line 214
            aload 0 /* this */
            getfield org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream.expectBlockDependency:Z
            ifeq 13
        10: .line 215
            aload 0 /* this */
            getfield org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream.blockDependencyBuffer:[B
            ifnonnull 14
        11: .line 216
            aload 0 /* this */
            ldc 65536
            newarray 8
            putfield org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream.blockDependencyBuffer:[B
        12: .line 218
            goto 14
        13: .line 219
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            aconst_null
            putfield org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream.blockDependencyBuffer:[B
        14: .line 221
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            iload 1 /* flags */
            bipush 16
            iand
            ifeq 15
            iconst_1
            goto 16
      StackMap locals:
      StackMap stack: org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream
        15: iconst_0
      StackMap locals: org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream int
      StackMap stack: org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream int
        16: putfield org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream.expectBlockChecksum:Z
        17: .line 222
            aload 0 /* this */
            iload 1 /* flags */
            bipush 8
            iand
            ifeq 18
            iconst_1
            goto 19
      StackMap locals:
      StackMap stack: org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream
        18: iconst_0
      StackMap locals: org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream int
      StackMap stack: org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream int
        19: putfield org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream.expectContentSize:Z
        20: .line 223
            aload 0 /* this */
            iload 1 /* flags */
            iconst_4
            iand
            ifeq 21
            iconst_1
            goto 22
      StackMap locals:
      StackMap stack: org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream
        21: iconst_0
      StackMap locals: org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream int
      StackMap stack: org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream int
        22: putfield org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream.expectContentChecksum:Z
        23: .line 224
            aload 0 /* this */
            invokevirtual org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream.readOneByte:()I
            istore 2 /* bdByte */
        start local 2 // int bdByte
        24: .line 225
            iload 2 /* bdByte */
            iconst_m1
            if_icmpne 26
        25: .line 226
            new java.io.IOException
            dup
            ldc "Premature end of stream while reading frame BD byte"
            invokespecial java.io.IOException.<init>:(Ljava/lang/String;)V
            athrow
        26: .line 228
      StackMap locals: int
      StackMap stack:
            aload 0 /* this */
            getfield org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream.contentHash:Lorg/apache/commons/compress/compressors/lz4/XXHash32;
            iload 2 /* bdByte */
            invokevirtual org.apache.commons.compress.compressors.lz4.XXHash32.update:(I)V
        27: .line 229
            aload 0 /* this */
            getfield org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream.expectContentSize:Z
            ifeq 34
        28: .line 230
            bipush 8
            newarray 8
            astore 3 /* contentSize */
        start local 3 // byte[] contentSize
        29: .line 231
            aload 0 /* this */
            getfield org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream.in:Lorg/apache/commons/compress/utils/CountingInputStream;
            aload 3 /* contentSize */
            invokestatic org.apache.commons.compress.utils.IOUtils.readFully:(Ljava/io/InputStream;[B)I
            istore 4 /* skipped */
        start local 4 // int skipped
        30: .line 232
            aload 0 /* this */
            iload 4 /* skipped */
            invokevirtual org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream.count:(I)V
        31: .line 233
            bipush 8
            iload 4 /* skipped */
            if_icmpeq 33
        32: .line 234
            new java.io.IOException
            dup
            ldc "Premature end of stream while reading content size"
            invokespecial java.io.IOException.<init>:(Ljava/lang/String;)V
            athrow
        33: .line 236
      StackMap locals: byte[] int
      StackMap stack:
            aload 0 /* this */
            getfield org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream.contentHash:Lorg/apache/commons/compress/compressors/lz4/XXHash32;
            aload 3 /* contentSize */
            iconst_0
            aload 3 /* contentSize */
            arraylength
            invokevirtual org.apache.commons.compress.compressors.lz4.XXHash32.update:([BII)V
        end local 4 // int skipped
        end local 3 // byte[] contentSize
        34: .line 238
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            invokevirtual org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream.readOneByte:()I
            istore 3 /* headerHash */
        start local 3 // int headerHash
        35: .line 239
            iload 3 /* headerHash */
            iconst_m1
            if_icmpne 37
        36: .line 240
            new java.io.IOException
            dup
            ldc "Premature end of stream while reading frame header checksum"
            invokespecial java.io.IOException.<init>:(Ljava/lang/String;)V
            athrow
        37: .line 242
      StackMap locals: int
      StackMap stack:
            aload 0 /* this */
            getfield org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream.contentHash:Lorg/apache/commons/compress/compressors/lz4/XXHash32;
            invokevirtual org.apache.commons.compress.compressors.lz4.XXHash32.getValue:()J
            bipush 8
            lshr
            ldc 255
            land
            l2i
            istore 4 /* expectedHash */
        start local 4 // int expectedHash
        38: .line 243
            aload 0 /* this */
            getfield org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream.contentHash:Lorg/apache/commons/compress/compressors/lz4/XXHash32;
            invokevirtual org.apache.commons.compress.compressors.lz4.XXHash32.reset:()V
        39: .line 244
            iload 3 /* headerHash */
            iload 4 /* expectedHash */
            if_icmpeq 41
        40: .line 245
            new java.io.IOException
            dup
            ldc "frame header checksum mismatch."
            invokespecial java.io.IOException.<init>:(Ljava/lang/String;)V
            athrow
        41: .line 247
      StackMap locals: int
      StackMap stack:
            return
        end local 4 // int expectedHash
        end local 3 // int headerHash
        end local 2 // int bdByte
        end local 1 // int flags
        end local 0 // org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream this
      LocalVariableTable:
        Start  End  Slot          Name  Signature
            0   42     0          this  Lorg/apache/commons/compress/compressors/lz4/FramedLZ4CompressorInputStream;
            1   42     1         flags  I
           24   42     2        bdByte  I
           29   34     3   contentSize  [B
           30   34     4       skipped  I
           35   42     3    headerHash  I
           38   42     4  expectedHash  I
    Exceptions:
      throws java.io.IOException

  private void nextBlock();
    descriptor: ()V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=5, locals=7, args_size=1
        start local 0 // org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream this
         0: .line 250
            aload 0 /* this */
            invokevirtual org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream.maybeFinishCurrentBlock:()V
         1: .line 251
            aload 0 /* this */
            getfield org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream.supplier:Lorg/apache/commons/compress/utils/ByteUtils$ByteSupplier;
            iconst_4
            invokestatic org.apache.commons.compress.utils.ByteUtils.fromLittleEndian:(Lorg/apache/commons/compress/utils/ByteUtils$ByteSupplier;I)J
            lstore 1 /* len */
        start local 1 // long len
         2: .line 252
            lload 1 /* len */
            ldc -2147483648
            land
            lconst_0
            lcmp
            ifeq 3
            iconst_1
            goto 4
      StackMap locals: long
      StackMap stack:
         3: iconst_0
      StackMap locals:
      StackMap stack: int
         4: istore 3 /* uncompressed */
        start local 3 // boolean uncompressed
         5: .line 253
            lload 1 /* len */
            ldc 2147483647
            land
            l2i
            istore 4 /* realLen */
        start local 4 // int realLen
         6: .line 254
            iload 4 /* realLen */
            ifne 13
         7: .line 255
            aload 0 /* this */
            invokevirtual org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream.verifyContentChecksum:()V
         8: .line 256
            aload 0 /* this */
            getfield org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream.decompressConcatenated:Z
            ifne 11
         9: .line 257
            aload 0 /* this */
            iconst_1
            putfield org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream.endReached:Z
        10: .line 258
            goto 12
        11: .line 259
      StackMap locals: int int
      StackMap stack:
            aload 0 /* this */
            iconst_0
            invokevirtual org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream.init:(Z)V
        12: .line 261
      StackMap locals:
      StackMap stack:
            return
        13: .line 263
      StackMap locals:
      StackMap stack:
            new org.apache.commons.compress.utils.BoundedInputStream
            dup
            aload 0 /* this */
            getfield org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream.in:Lorg/apache/commons/compress/utils/CountingInputStream;
            iload 4 /* realLen */
            i2l
            invokespecial org.apache.commons.compress.utils.BoundedInputStream.<init>:(Ljava/io/InputStream;J)V
            astore 5 /* capped */
        start local 5 // java.io.InputStream capped
        14: .line 264
            aload 0 /* this */
            getfield org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream.expectBlockChecksum:Z
            ifeq 16
        15: .line 265
            new org.apache.commons.compress.utils.ChecksumCalculatingInputStream
            dup
            aload 0 /* this */
            getfield org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream.blockHash:Lorg/apache/commons/compress/compressors/lz4/XXHash32;
            aload 5 /* capped */
            invokespecial org.apache.commons.compress.utils.ChecksumCalculatingInputStream.<init>:(Ljava/util/zip/Checksum;Ljava/io/InputStream;)V
            astore 5 /* capped */
        16: .line 267
      StackMap locals: java.io.InputStream
      StackMap stack:
            iload 3 /* uncompressed */
            ifeq 20
        17: .line 268
            aload 0 /* this */
            iconst_1
            putfield org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream.inUncompressed:Z
        18: .line 269
            aload 0 /* this */
            aload 5 /* capped */
            putfield org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream.currentBlock:Ljava/io/InputStream;
        19: .line 270
            goto 25
        20: .line 271
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            iconst_0
            putfield org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream.inUncompressed:Z
        21: .line 272
            new org.apache.commons.compress.compressors.lz4.BlockLZ4CompressorInputStream
            dup
            aload 5 /* capped */
            invokespecial org.apache.commons.compress.compressors.lz4.BlockLZ4CompressorInputStream.<init>:(Ljava/io/InputStream;)V
            astore 6 /* s */
        start local 6 // org.apache.commons.compress.compressors.lz4.BlockLZ4CompressorInputStream s
        22: .line 273
            aload 0 /* this */
            getfield org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream.expectBlockDependency:Z
            ifeq 24
        23: .line 274
            aload 6 /* s */
            aload 0 /* this */
            getfield org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream.blockDependencyBuffer:[B
            invokevirtual org.apache.commons.compress.compressors.lz4.BlockLZ4CompressorInputStream.prefill:([B)V
        24: .line 276
      StackMap locals: org.apache.commons.compress.compressors.lz4.BlockLZ4CompressorInputStream
      StackMap stack:
            aload 0 /* this */
            aload 6 /* s */
            putfield org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream.currentBlock:Ljava/io/InputStream;
        end local 6 // org.apache.commons.compress.compressors.lz4.BlockLZ4CompressorInputStream s
        25: .line 278
      StackMap locals:
      StackMap stack:
            return
        end local 5 // java.io.InputStream capped
        end local 4 // int realLen
        end local 3 // boolean uncompressed
        end local 1 // long len
        end local 0 // org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream this
      LocalVariableTable:
        Start  End  Slot          Name  Signature
            0   26     0          this  Lorg/apache/commons/compress/compressors/lz4/FramedLZ4CompressorInputStream;
            2   26     1           len  J
            5   26     3  uncompressed  Z
            6   26     4       realLen  I
           14   26     5        capped  Ljava/io/InputStream;
           22   25     6             s  Lorg/apache/commons/compress/compressors/lz4/BlockLZ4CompressorInputStream;
    Exceptions:
      throws java.io.IOException

  private void maybeFinishCurrentBlock();
    descriptor: ()V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=3, locals=1, args_size=1
        start local 0 // org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream this
         0: .line 281
            aload 0 /* this */
            getfield org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream.currentBlock:Ljava/io/InputStream;
            ifnull 6
         1: .line 282
            aload 0 /* this */
            getfield org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream.currentBlock:Ljava/io/InputStream;
            invokevirtual java.io.InputStream.close:()V
         2: .line 283
            aload 0 /* this */
            aconst_null
            putfield org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream.currentBlock:Ljava/io/InputStream;
         3: .line 284
            aload 0 /* this */
            getfield org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream.expectBlockChecksum:Z
            ifeq 6
         4: .line 285
            aload 0 /* this */
            aload 0 /* this */
            getfield org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream.blockHash:Lorg/apache/commons/compress/compressors/lz4/XXHash32;
            ldc "block"
            invokevirtual org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream.verifyChecksum:(Lorg/apache/commons/compress/compressors/lz4/XXHash32;Ljava/lang/String;)V
         5: .line 286
            aload 0 /* this */
            getfield org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream.blockHash:Lorg/apache/commons/compress/compressors/lz4/XXHash32;
            invokevirtual org.apache.commons.compress.compressors.lz4.XXHash32.reset:()V
         6: .line 289
      StackMap locals:
      StackMap stack:
            return
        end local 0 // org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    7     0  this  Lorg/apache/commons/compress/compressors/lz4/FramedLZ4CompressorInputStream;
    Exceptions:
      throws java.io.IOException

  private void verifyContentChecksum();
    descriptor: ()V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=3, locals=1, args_size=1
        start local 0 // org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream this
         0: .line 292
            aload 0 /* this */
            getfield org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream.expectContentChecksum:Z
            ifeq 2
         1: .line 293
            aload 0 /* this */
            aload 0 /* this */
            getfield org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream.contentHash:Lorg/apache/commons/compress/compressors/lz4/XXHash32;
            ldc "content"
            invokevirtual org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream.verifyChecksum:(Lorg/apache/commons/compress/compressors/lz4/XXHash32;Ljava/lang/String;)V
         2: .line 295
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream.contentHash:Lorg/apache/commons/compress/compressors/lz4/XXHash32;
            invokevirtual org.apache.commons.compress.compressors.lz4.XXHash32.reset:()V
         3: .line 296
            return
        end local 0 // org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    4     0  this  Lorg/apache/commons/compress/compressors/lz4/FramedLZ4CompressorInputStream;
    Exceptions:
      throws java.io.IOException

  private void verifyChecksum(org.apache.commons.compress.compressors.lz4.XXHash32, java.lang.String);
    descriptor: (Lorg/apache/commons/compress/compressors/lz4/XXHash32;Ljava/lang/String;)V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=5, locals=7, args_size=3
        start local 0 // org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream this
        start local 1 // org.apache.commons.compress.compressors.lz4.XXHash32 hash
        start local 2 // java.lang.String kind
         0: .line 299
            iconst_4
            newarray 8
            astore 3 /* checksum */
        start local 3 // byte[] checksum
         1: .line 300
            aload 0 /* this */
            getfield org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream.in:Lorg/apache/commons/compress/utils/CountingInputStream;
            aload 3 /* checksum */
            invokestatic org.apache.commons.compress.utils.IOUtils.readFully:(Ljava/io/InputStream;[B)I
            istore 4 /* read */
        start local 4 // int read
         2: .line 301
            aload 0 /* this */
            iload 4 /* read */
            invokevirtual org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream.count:(I)V
         3: .line 302
            iconst_4
            iload 4 /* read */
            if_icmpeq 5
         4: .line 303
            new java.io.IOException
            dup
            new java.lang.StringBuilder
            dup
            ldc "Premature end of stream while reading "
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            aload 2 /* kind */
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            ldc " checksum"
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            invokespecial java.io.IOException.<init>:(Ljava/lang/String;)V
            athrow
         5: .line 305
      StackMap locals: byte[] int
      StackMap stack:
            aload 1 /* hash */
            invokevirtual org.apache.commons.compress.compressors.lz4.XXHash32.getValue:()J
            lstore 5 /* expectedHash */
        start local 5 // long expectedHash
         6: .line 306
            lload 5 /* expectedHash */
            aload 3 /* checksum */
            invokestatic org.apache.commons.compress.utils.ByteUtils.fromLittleEndian:([B)J
            lcmp
            ifeq 8
         7: .line 307
            new java.io.IOException
            dup
            new java.lang.StringBuilder
            dup
            aload 2 /* kind */
            invokestatic java.lang.String.valueOf:(Ljava/lang/Object;)Ljava/lang/String;
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            ldc " checksum mismatch."
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            invokespecial java.io.IOException.<init>:(Ljava/lang/String;)V
            athrow
         8: .line 309
      StackMap locals: long
      StackMap stack:
            return
        end local 5 // long expectedHash
        end local 4 // int read
        end local 3 // byte[] checksum
        end local 2 // java.lang.String kind
        end local 1 // org.apache.commons.compress.compressors.lz4.XXHash32 hash
        end local 0 // org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream this
      LocalVariableTable:
        Start  End  Slot          Name  Signature
            0    9     0          this  Lorg/apache/commons/compress/compressors/lz4/FramedLZ4CompressorInputStream;
            0    9     1          hash  Lorg/apache/commons/compress/compressors/lz4/XXHash32;
            0    9     2          kind  Ljava/lang/String;
            1    9     3      checksum  [B
            2    9     4          read  I
            6    9     5  expectedHash  J
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      hash  
      kind  

  private int readOneByte();
    descriptor: ()I
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=2, locals=2, args_size=1
        start local 0 // org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream this
         0: .line 312
            aload 0 /* this */
            getfield org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream.in:Lorg/apache/commons/compress/utils/CountingInputStream;
            invokevirtual org.apache.commons.compress.utils.CountingInputStream.read:()I
            istore 1 /* b */
        start local 1 // int b
         1: .line 313
            iload 1 /* b */
            iconst_m1
            if_icmpeq 4
         2: .line 314
            aload 0 /* this */
            iconst_1
            invokevirtual org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream.count:(I)V
         3: .line 315
            iload 1 /* b */
            sipush 255
            iand
            ireturn
         4: .line 317
      StackMap locals: int
      StackMap stack:
            iconst_m1
            ireturn
        end local 1 // int b
        end local 0 // org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    5     0  this  Lorg/apache/commons/compress/compressors/lz4/FramedLZ4CompressorInputStream;
            1    5     1     b  I
    Exceptions:
      throws java.io.IOException

  private int readOnce(byte[], int, int);
    descriptor: ([BII)I
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=5, locals=8, args_size=4
        start local 0 // org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream this
        start local 1 // byte[] b
        start local 2 // int off
        start local 3 // int len
         0: .line 321
            aload 0 /* this */
            getfield org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream.inUncompressed:Z
            ifeq 4
         1: .line 322
            aload 0 /* this */
            getfield org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream.currentBlock:Ljava/io/InputStream;
            aload 1 /* b */
            iload 2 /* off */
            iload 3 /* len */
            invokevirtual java.io.InputStream.read:([BII)I
            istore 4 /* cnt */
        start local 4 // int cnt
         2: .line 323
            aload 0 /* this */
            iload 4 /* cnt */
            invokevirtual org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream.count:(I)V
         3: .line 324
            iload 4 /* cnt */
            ireturn
        end local 4 // int cnt
         4: .line 326
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream.currentBlock:Ljava/io/InputStream;
            checkcast org.apache.commons.compress.compressors.lz4.BlockLZ4CompressorInputStream
            astore 4 /* l */
        start local 4 // org.apache.commons.compress.compressors.lz4.BlockLZ4CompressorInputStream l
         5: .line 327
            aload 4 /* l */
            invokevirtual org.apache.commons.compress.compressors.lz4.BlockLZ4CompressorInputStream.getBytesRead:()J
            lstore 5 /* before */
        start local 5 // long before
         6: .line 328
            aload 0 /* this */
            getfield org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream.currentBlock:Ljava/io/InputStream;
            aload 1 /* b */
            iload 2 /* off */
            iload 3 /* len */
            invokevirtual java.io.InputStream.read:([BII)I
            istore 7 /* cnt */
        start local 7 // int cnt
         7: .line 329
            aload 0 /* this */
            aload 4 /* l */
            invokevirtual org.apache.commons.compress.compressors.lz4.BlockLZ4CompressorInputStream.getBytesRead:()J
            lload 5 /* before */
            lsub
            invokevirtual org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream.count:(J)V
         8: .line 330
            iload 7 /* cnt */
            ireturn
        end local 7 // int cnt
        end local 5 // long before
        end local 4 // org.apache.commons.compress.compressors.lz4.BlockLZ4CompressorInputStream l
        end local 3 // int len
        end local 2 // int off
        end local 1 // byte[] b
        end local 0 // org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    9     0    this  Lorg/apache/commons/compress/compressors/lz4/FramedLZ4CompressorInputStream;
            0    9     1       b  [B
            0    9     2     off  I
            0    9     3     len  I
            2    4     4     cnt  I
            5    9     4       l  Lorg/apache/commons/compress/compressors/lz4/BlockLZ4CompressorInputStream;
            6    9     5  before  J
            7    9     7     cnt  I
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      b     
      off   
      len   

  private static boolean isSkippableFrameSignature(byte[]);
    descriptor: ([B)Z
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC
    Code:
      stack=4, locals=2, args_size=1
        start local 0 // byte[] b
         0: .line 334
            aload 0 /* b */
            iconst_0
            baload
            bipush 80
            iand
            bipush 80
            if_icmpeq 2
         1: .line 335
            iconst_0
            ireturn
         2: .line 337
      StackMap locals:
      StackMap stack:
            iconst_1
            istore 1 /* i */
        start local 1 // int i
         3: goto 7
         4: .line 338
      StackMap locals: int
      StackMap stack:
            aload 0 /* b */
            iload 1 /* i */
            baload
            getstatic org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream.SKIPPABLE_FRAME_TRAILER:[B
            iload 1 /* i */
            iconst_1
            isub
            baload
            if_icmpeq 6
         5: .line 339
            iconst_0
            ireturn
         6: .line 337
      StackMap locals:
      StackMap stack:
            iinc 1 /* i */ 1
      StackMap locals:
      StackMap stack:
         7: iload 1 /* i */
            iconst_4
            if_icmplt 4
        end local 1 // int i
         8: .line 342
            iconst_1
            ireturn
        end local 0 // byte[] b
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    9     0     b  [B
            3    8     1     i  I
    MethodParameters:
      Name  Flags
      b     

  private int skipSkippableFrame(byte[]);
    descriptor: ([B)I
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=4, locals=7, args_size=2
        start local 0 // org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream this
        start local 1 // byte[] b
         0: .line 354
            iconst_4
            istore 2 /* read */
        start local 2 // int read
         1: .line 355
            goto 9
         2: .line 356
      StackMap locals: int
      StackMap stack:
            aload 0 /* this */
            getfield org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream.supplier:Lorg/apache/commons/compress/utils/ByteUtils$ByteSupplier;
            iconst_4
            invokestatic org.apache.commons.compress.utils.ByteUtils.fromLittleEndian:(Lorg/apache/commons/compress/utils/ByteUtils$ByteSupplier;I)J
            lstore 3 /* len */
        start local 3 // long len
         3: .line 357
            aload 0 /* this */
            getfield org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream.in:Lorg/apache/commons/compress/utils/CountingInputStream;
            lload 3 /* len */
            invokestatic org.apache.commons.compress.utils.IOUtils.skip:(Ljava/io/InputStream;J)J
            lstore 5 /* skipped */
        start local 5 // long skipped
         4: .line 358
            aload 0 /* this */
            lload 5 /* skipped */
            invokevirtual org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream.count:(J)V
         5: .line 359
            lload 3 /* len */
            lload 5 /* skipped */
            lcmp
            ifeq 7
         6: .line 360
            new java.io.IOException
            dup
            ldc "Premature end of stream while skipping frame"
            invokespecial java.io.IOException.<init>:(Ljava/lang/String;)V
            athrow
         7: .line 362
      StackMap locals: long long
      StackMap stack:
            aload 0 /* this */
            getfield org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream.in:Lorg/apache/commons/compress/utils/CountingInputStream;
            aload 1 /* b */
            invokestatic org.apache.commons.compress.utils.IOUtils.readFully:(Ljava/io/InputStream;[B)I
            istore 2 /* read */
         8: .line 363
            aload 0 /* this */
            iload 2 /* read */
            invokevirtual org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream.count:(I)V
        end local 5 // long skipped
        end local 3 // long len
         9: .line 355
      StackMap locals:
      StackMap stack:
            iload 2 /* read */
            iconst_4
            if_icmpne 10
            aload 1 /* b */
            invokestatic org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream.isSkippableFrameSignature:([B)Z
            ifne 2
        10: .line 365
      StackMap locals:
      StackMap stack:
            iload 2 /* read */
            ireturn
        end local 2 // int read
        end local 1 // byte[] b
        end local 0 // org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream this
      LocalVariableTable:
        Start  End  Slot     Name  Signature
            0   11     0     this  Lorg/apache/commons/compress/compressors/lz4/FramedLZ4CompressorInputStream;
            0   11     1        b  [B
            1   11     2     read  I
            3    9     3      len  J
            4    9     5  skipped  J
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      b     

  private void appendToBlockDependencyBuffer(byte[], int, int);
    descriptor: ([BII)V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=5, locals=5, args_size=4
        start local 0 // org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream this
        start local 1 // byte[] b
        start local 2 // int off
        start local 3 // int len
         0: .line 369
            iload 3 /* len */
            aload 0 /* this */
            getfield org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream.blockDependencyBuffer:[B
            arraylength
            invokestatic java.lang.Math.min:(II)I
            istore 3 /* len */
         1: .line 370
            iload 3 /* len */
            ifle 6
         2: .line 371
            aload 0 /* this */
            getfield org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream.blockDependencyBuffer:[B
            arraylength
            iload 3 /* len */
            isub
            istore 4 /* keep */
        start local 4 // int keep
         3: .line 372
            iload 4 /* keep */
            ifle 5
         4: .line 374
            aload 0 /* this */
            getfield org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream.blockDependencyBuffer:[B
            iload 3 /* len */
            aload 0 /* this */
            getfield org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream.blockDependencyBuffer:[B
            iconst_0
            iload 4 /* keep */
            invokestatic java.lang.System.arraycopy:(Ljava/lang/Object;ILjava/lang/Object;II)V
         5: .line 377
      StackMap locals: int
      StackMap stack:
            aload 1 /* b */
            iload 2 /* off */
            aload 0 /* this */
            getfield org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream.blockDependencyBuffer:[B
            iload 4 /* keep */
            iload 3 /* len */
            invokestatic java.lang.System.arraycopy:(Ljava/lang/Object;ILjava/lang/Object;II)V
        end local 4 // int keep
         6: .line 379
      StackMap locals:
      StackMap stack:
            return
        end local 3 // int len
        end local 2 // int off
        end local 1 // byte[] b
        end local 0 // org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    7     0  this  Lorg/apache/commons/compress/compressors/lz4/FramedLZ4CompressorInputStream;
            0    7     1     b  [B
            0    7     2   off  I
            0    7     3   len  I
            3    6     4  keep  I
    MethodParameters:
      Name  Flags
      b     final
      off   final
      len   

  public static boolean matches(byte[], int);
    descriptor: ([BI)Z
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=5, locals=3, args_size=2
        start local 0 // byte[] signature
        start local 1 // int length
         0: .line 392
            iload 1 /* length */
            getstatic org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream.LZ4_SIGNATURE:[B
            arraylength
            if_icmpge 2
         1: .line 393
            iconst_0
            ireturn
         2: .line 396
      StackMap locals:
      StackMap stack:
            aload 0 /* signature */
            astore 2 /* shortenedSig */
        start local 2 // byte[] shortenedSig
         3: .line 397
            aload 0 /* signature */
            arraylength
            getstatic org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream.LZ4_SIGNATURE:[B
            arraylength
            if_icmple 6
         4: .line 398
            getstatic org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream.LZ4_SIGNATURE:[B
            arraylength
            newarray 8
            astore 2 /* shortenedSig */
         5: .line 399
            aload 0 /* signature */
            iconst_0
            aload 2 /* shortenedSig */
            iconst_0
            getstatic org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream.LZ4_SIGNATURE:[B
            arraylength
            invokestatic java.lang.System.arraycopy:(Ljava/lang/Object;ILjava/lang/Object;II)V
         6: .line 402
      StackMap locals: byte[]
      StackMap stack:
            aload 2 /* shortenedSig */
            getstatic org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream.LZ4_SIGNATURE:[B
            invokestatic java.util.Arrays.equals:([B[B)Z
            ireturn
        end local 2 // byte[] shortenedSig
        end local 1 // int length
        end local 0 // byte[] signature
      LocalVariableTable:
        Start  End  Slot          Name  Signature
            0    7     0     signature  [B
            0    7     1        length  I
            3    7     2  shortenedSig  [B
    MethodParameters:
           Name  Flags
      signature  final
      length     final
}
SourceFile: "FramedLZ4CompressorInputStream.java"
NestMembers:
  org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream$1
InnerClasses:
  org.apache.commons.compress.compressors.lz4.FramedLZ4CompressorInputStream$1
  public abstract ByteSupplier = org.apache.commons.compress.utils.ByteUtils$ByteSupplier of org.apache.commons.compress.utils.ByteUtils