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 
class org.apache.commons.compress.archivers.zip.ExplodingInputStream extends java.io.InputStream implements org.apache.commons.compress.utils.InputStreamStatistics
  minor version: 0
  major version: 59
  flags: flags: (0x0020) ACC_SUPER
  this_class: org.apache.commons.compress.archivers.zip.ExplodingInputStream
  super_class: java.io.InputStream
{
  private final java.io.InputStream in;
    descriptor: Ljava/io/InputStream;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private org.apache.commons.compress.archivers.zip.BitStream bits;
    descriptor: Lorg/apache/commons/compress/archivers/zip/BitStream;
    flags: (0x0002) ACC_PRIVATE

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

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

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

  private org.apache.commons.compress.archivers.zip.BinaryTree literalTree;
    descriptor: Lorg/apache/commons/compress/archivers/zip/BinaryTree;
    flags: (0x0002) ACC_PRIVATE

  private org.apache.commons.compress.archivers.zip.BinaryTree lengthTree;
    descriptor: Lorg/apache/commons/compress/archivers/zip/BinaryTree;
    flags: (0x0002) ACC_PRIVATE

  private org.apache.commons.compress.archivers.zip.BinaryTree distanceTree;
    descriptor: Lorg/apache/commons/compress/archivers/zip/BinaryTree;
    flags: (0x0002) ACC_PRIVATE

  private final org.apache.commons.compress.archivers.zip.CircularBuffer buffer;
    descriptor: Lorg/apache/commons/compress/archivers/zip/CircularBuffer;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private long uncompressedCount;
    descriptor: J
    flags: (0x0002) ACC_PRIVATE

  private long treeSizes;
    descriptor: J
    flags: (0x0002) ACC_PRIVATE

  public void <init>(int, int, java.io.InputStream);
    descriptor: (IILjava/io/InputStream;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=4, args_size=4
        start local 0 // org.apache.commons.compress.archivers.zip.ExplodingInputStream this
        start local 1 // int dictionarySize
        start local 2 // int numberOfTrees
        start local 3 // java.io.InputStream in
         0: .line 80
            aload 0 /* this */
            invokespecial java.io.InputStream.<init>:()V
         1: .line 66
            aload 0 /* this */
            new org.apache.commons.compress.archivers.zip.CircularBuffer
            dup
            ldc 32768
            invokespecial org.apache.commons.compress.archivers.zip.CircularBuffer.<init>:(I)V
            putfield org.apache.commons.compress.archivers.zip.ExplodingInputStream.buffer:Lorg/apache/commons/compress/archivers/zip/CircularBuffer;
         2: .line 68
            aload 0 /* this */
            lconst_0
            putfield org.apache.commons.compress.archivers.zip.ExplodingInputStream.uncompressedCount:J
         3: .line 70
            aload 0 /* this */
            lconst_0
            putfield org.apache.commons.compress.archivers.zip.ExplodingInputStream.treeSizes:J
         4: .line 81
            iload 1 /* dictionarySize */
            sipush 4096
            if_icmpeq 6
            iload 1 /* dictionarySize */
            sipush 8192
            if_icmpeq 6
         5: .line 82
            new java.lang.IllegalArgumentException
            dup
            ldc "The dictionary size must be 4096 or 8192"
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
         6: .line 84
      StackMap locals: org.apache.commons.compress.archivers.zip.ExplodingInputStream int int java.io.InputStream
      StackMap stack:
            iload 2 /* numberOfTrees */
            iconst_2
            if_icmpeq 8
            iload 2 /* numberOfTrees */
            iconst_3
            if_icmpeq 8
         7: .line 85
            new java.lang.IllegalArgumentException
            dup
            ldc "The number of trees must be 2 or 3"
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
         8: .line 87
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            iload 1 /* dictionarySize */
            putfield org.apache.commons.compress.archivers.zip.ExplodingInputStream.dictionarySize:I
         9: .line 88
            aload 0 /* this */
            iload 2 /* numberOfTrees */
            putfield org.apache.commons.compress.archivers.zip.ExplodingInputStream.numberOfTrees:I
        10: .line 89
            aload 0 /* this */
            iload 2 /* numberOfTrees */
            putfield org.apache.commons.compress.archivers.zip.ExplodingInputStream.minimumMatchLength:I
        11: .line 90
            aload 0 /* this */
            aload 3 /* in */
            putfield org.apache.commons.compress.archivers.zip.ExplodingInputStream.in:Ljava/io/InputStream;
        12: .line 91
            return
        end local 3 // java.io.InputStream in
        end local 2 // int numberOfTrees
        end local 1 // int dictionarySize
        end local 0 // org.apache.commons.compress.archivers.zip.ExplodingInputStream this
      LocalVariableTable:
        Start  End  Slot            Name  Signature
            0   13     0            this  Lorg/apache/commons/compress/archivers/zip/ExplodingInputStream;
            0   13     1  dictionarySize  I
            0   13     2   numberOfTrees  I
            0   13     3              in  Ljava/io/InputStream;
    MethodParameters:
                Name  Flags
      dictionarySize  final
      numberOfTrees   final
      in              final

  private void init();
    descriptor: ()V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=5, locals=4, args_size=1
        start local 0 // org.apache.commons.compress.archivers.zip.ExplodingInputStream this
         0: .line 99
            aload 0 /* this */
            getfield org.apache.commons.compress.archivers.zip.ExplodingInputStream.bits:Lorg/apache/commons/compress/archivers/zip/BitStream;
            ifnonnull 15
         1: .line 100
            aconst_null
            astore 1
            aconst_null
            astore 2
         2: new org.apache.commons.compress.archivers.zip.ExplodingInputStream$1
            dup
            aload 0 /* this */
            aload 0 /* this */
            getfield org.apache.commons.compress.archivers.zip.ExplodingInputStream.in:Ljava/io/InputStream;
            invokespecial org.apache.commons.compress.archivers.zip.ExplodingInputStream$1.<init>:(Lorg/apache/commons/compress/archivers/zip/ExplodingInputStream;Ljava/io/InputStream;)V
            astore 3 /* i */
        start local 3 // org.apache.commons.compress.utils.CountingInputStream i
         3: .line 106
            aload 0 /* this */
            getfield org.apache.commons.compress.archivers.zip.ExplodingInputStream.numberOfTrees:I
            iconst_3
            if_icmpne 5
         4: .line 107
            aload 0 /* this */
            aload 3 /* i */
            sipush 256
            invokestatic org.apache.commons.compress.archivers.zip.BinaryTree.decode:(Ljava/io/InputStream;I)Lorg/apache/commons/compress/archivers/zip/BinaryTree;
            putfield org.apache.commons.compress.archivers.zip.ExplodingInputStream.literalTree:Lorg/apache/commons/compress/archivers/zip/BinaryTree;
         5: .line 110
      StackMap locals: java.lang.Throwable java.lang.Throwable org.apache.commons.compress.utils.CountingInputStream
      StackMap stack:
            aload 0 /* this */
            aload 3 /* i */
            bipush 64
            invokestatic org.apache.commons.compress.archivers.zip.BinaryTree.decode:(Ljava/io/InputStream;I)Lorg/apache/commons/compress/archivers/zip/BinaryTree;
            putfield org.apache.commons.compress.archivers.zip.ExplodingInputStream.lengthTree:Lorg/apache/commons/compress/archivers/zip/BinaryTree;
         6: .line 111
            aload 0 /* this */
            aload 3 /* i */
            bipush 64
            invokestatic org.apache.commons.compress.archivers.zip.BinaryTree.decode:(Ljava/io/InputStream;I)Lorg/apache/commons/compress/archivers/zip/BinaryTree;
            putfield org.apache.commons.compress.archivers.zip.ExplodingInputStream.distanceTree:Lorg/apache/commons/compress/archivers/zip/BinaryTree;
         7: .line 112
            aload 0 /* this */
            dup
            getfield org.apache.commons.compress.archivers.zip.ExplodingInputStream.treeSizes:J
            aload 3 /* i */
            invokevirtual org.apache.commons.compress.utils.CountingInputStream.getBytesRead:()J
            ladd
            putfield org.apache.commons.compress.archivers.zip.ExplodingInputStream.treeSizes:J
         8: .line 113
            aload 3 /* i */
            ifnull 14
            aload 3 /* i */
            invokevirtual org.apache.commons.compress.utils.CountingInputStream.close:()V
            goto 14
      StackMap locals:
      StackMap stack: java.lang.Throwable
         9: astore 1
            aload 3 /* i */
            ifnull 10
            aload 3 /* i */
            invokevirtual org.apache.commons.compress.utils.CountingInputStream.close:()V
        end local 3 // org.apache.commons.compress.utils.CountingInputStream i
      StackMap locals:
      StackMap stack:
        10: aload 1
            athrow
      StackMap locals:
      StackMap stack: java.lang.Throwable
        11: astore 2
            aload 1
            ifnonnull 12
            aload 2
            astore 1
            goto 13
      StackMap locals:
      StackMap stack:
        12: aload 1
            aload 2
            if_acmpeq 13
            aload 1
            aload 2
            invokevirtual java.lang.Throwable.addSuppressed:(Ljava/lang/Throwable;)V
      StackMap locals:
      StackMap stack:
        13: aload 1
            athrow
        14: .line 115
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            new org.apache.commons.compress.archivers.zip.BitStream
            dup
            aload 0 /* this */
            getfield org.apache.commons.compress.archivers.zip.ExplodingInputStream.in:Ljava/io/InputStream;
            invokespecial org.apache.commons.compress.archivers.zip.BitStream.<init>:(Ljava/io/InputStream;)V
            putfield org.apache.commons.compress.archivers.zip.ExplodingInputStream.bits:Lorg/apache/commons/compress/archivers/zip/BitStream;
        15: .line 117
      StackMap locals:
      StackMap stack:
            return
        end local 0 // org.apache.commons.compress.archivers.zip.ExplodingInputStream this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0   16     0  this  Lorg/apache/commons/compress/archivers/zip/ExplodingInputStream;
            3   10     3     i  Lorg/apache/commons/compress/utils/CountingInputStream;
      Exception table:
        from    to  target  type
           3     8       9  any
           2    11      11  any
    Exceptions:
      throws java.io.IOException

  public int read();
    descriptor: ()I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=2, args_size=1
        start local 0 // org.apache.commons.compress.archivers.zip.ExplodingInputStream this
         0: .line 121
            aload 0 /* this */
            getfield org.apache.commons.compress.archivers.zip.ExplodingInputStream.buffer:Lorg/apache/commons/compress/archivers/zip/CircularBuffer;
            invokevirtual org.apache.commons.compress.archivers.zip.CircularBuffer.available:()Z
            ifne 2
         1: .line 122
            aload 0 /* this */
            invokevirtual org.apache.commons.compress.archivers.zip.ExplodingInputStream.fillBuffer:()V
         2: .line 125
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.apache.commons.compress.archivers.zip.ExplodingInputStream.buffer:Lorg/apache/commons/compress/archivers/zip/CircularBuffer;
            invokevirtual org.apache.commons.compress.archivers.zip.CircularBuffer.get:()I
            istore 1 /* ret */
        start local 1 // int ret
         3: .line 126
            iload 1 /* ret */
            iconst_m1
            if_icmple 5
         4: .line 127
            aload 0 /* this */
            dup
            getfield org.apache.commons.compress.archivers.zip.ExplodingInputStream.uncompressedCount:J
            lconst_1
            ladd
            putfield org.apache.commons.compress.archivers.zip.ExplodingInputStream.uncompressedCount:J
         5: .line 129
      StackMap locals: int
      StackMap stack:
            iload 1 /* ret */
            ireturn
        end local 1 // int ret
        end local 0 // org.apache.commons.compress.archivers.zip.ExplodingInputStream this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    6     0  this  Lorg/apache/commons/compress/archivers/zip/ExplodingInputStream;
            3    6     1   ret  I
    Exceptions:
      throws java.io.IOException

  public long getCompressedCount();
    descriptor: ()J
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=1, args_size=1
        start local 0 // org.apache.commons.compress.archivers.zip.ExplodingInputStream this
         0: .line 137
            aload 0 /* this */
            getfield org.apache.commons.compress.archivers.zip.ExplodingInputStream.bits:Lorg/apache/commons/compress/archivers/zip/BitStream;
            invokevirtual org.apache.commons.compress.archivers.zip.BitStream.getBytesRead:()J
            aload 0 /* this */
            getfield org.apache.commons.compress.archivers.zip.ExplodingInputStream.treeSizes:J
            ladd
            lreturn
        end local 0 // org.apache.commons.compress.archivers.zip.ExplodingInputStream this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/apache/commons/compress/archivers/zip/ExplodingInputStream;

  public long getUncompressedCount();
    descriptor: ()J
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // org.apache.commons.compress.archivers.zip.ExplodingInputStream this
         0: .line 145
            aload 0 /* this */
            getfield org.apache.commons.compress.archivers.zip.ExplodingInputStream.uncompressedCount:J
            lreturn
        end local 0 // org.apache.commons.compress.archivers.zip.ExplodingInputStream this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/apache/commons/compress/archivers/zip/ExplodingInputStream;

  public void close();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.apache.commons.compress.archivers.zip.ExplodingInputStream this
         0: .line 153
            aload 0 /* this */
            getfield org.apache.commons.compress.archivers.zip.ExplodingInputStream.in:Ljava/io/InputStream;
            invokevirtual java.io.InputStream.close:()V
         1: .line 154
            return
        end local 0 // org.apache.commons.compress.archivers.zip.ExplodingInputStream this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lorg/apache/commons/compress/archivers/zip/ExplodingInputStream;
    Exceptions:
      throws java.io.IOException

  private void fillBuffer();
    descriptor: ()V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=4, locals=7, args_size=1
        start local 0 // org.apache.commons.compress.archivers.zip.ExplodingInputStream this
         0: .line 161
            aload 0 /* this */
            invokevirtual org.apache.commons.compress.archivers.zip.ExplodingInputStream.init:()V
         1: .line 163
            aload 0 /* this */
            getfield org.apache.commons.compress.archivers.zip.ExplodingInputStream.bits:Lorg/apache/commons/compress/archivers/zip/BitStream;
            invokevirtual org.apache.commons.compress.archivers.zip.BitStream.nextBit:()I
            istore 1 /* bit */
        start local 1 // int bit
         2: .line 164
            iload 1 /* bit */
            iconst_1
            if_icmpne 11
         3: .line 167
            aload 0 /* this */
            getfield org.apache.commons.compress.archivers.zip.ExplodingInputStream.literalTree:Lorg/apache/commons/compress/archivers/zip/BinaryTree;
            ifnull 6
         4: .line 168
            aload 0 /* this */
            getfield org.apache.commons.compress.archivers.zip.ExplodingInputStream.literalTree:Lorg/apache/commons/compress/archivers/zip/BinaryTree;
            aload 0 /* this */
            getfield org.apache.commons.compress.archivers.zip.ExplodingInputStream.bits:Lorg/apache/commons/compress/archivers/zip/BitStream;
            invokevirtual org.apache.commons.compress.archivers.zip.BinaryTree.read:(Lorg/apache/commons/compress/archivers/zip/BitStream;)I
            istore 2 /* literal */
        start local 2 // int literal
         5: .line 169
            goto 7
        end local 2 // int literal
         6: .line 170
      StackMap locals: int
      StackMap stack:
            aload 0 /* this */
            getfield org.apache.commons.compress.archivers.zip.ExplodingInputStream.bits:Lorg/apache/commons/compress/archivers/zip/BitStream;
            invokevirtual org.apache.commons.compress.archivers.zip.BitStream.nextByte:()I
            istore 2 /* literal */
        start local 2 // int literal
         7: .line 173
      StackMap locals: int
      StackMap stack:
            iload 2 /* literal */
            iconst_m1
            if_icmpne 9
         8: .line 175
            return
         9: .line 178
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.apache.commons.compress.archivers.zip.ExplodingInputStream.buffer:Lorg/apache/commons/compress/archivers/zip/CircularBuffer;
            iload 2 /* literal */
            invokevirtual org.apache.commons.compress.archivers.zip.CircularBuffer.put:(I)V
        end local 2 // int literal
        10: .line 180
            goto 25
      StackMap locals:
      StackMap stack:
        11: iload 1 /* bit */
            ifne 25
        12: .line 182
            aload 0 /* this */
            getfield org.apache.commons.compress.archivers.zip.ExplodingInputStream.dictionarySize:I
            sipush 4096
            if_icmpne 13
            bipush 6
            goto 14
      StackMap locals:
      StackMap stack:
        13: bipush 7
      StackMap locals:
      StackMap stack: int
        14: istore 2 /* distanceLowSize */
        start local 2 // int distanceLowSize
        15: .line 183
            aload 0 /* this */
            getfield org.apache.commons.compress.archivers.zip.ExplodingInputStream.bits:Lorg/apache/commons/compress/archivers/zip/BitStream;
            iload 2 /* distanceLowSize */
            invokevirtual org.apache.commons.compress.archivers.zip.BitStream.nextBits:(I)J
            l2i
            istore 3 /* distanceLow */
        start local 3 // int distanceLow
        16: .line 184
            aload 0 /* this */
            getfield org.apache.commons.compress.archivers.zip.ExplodingInputStream.distanceTree:Lorg/apache/commons/compress/archivers/zip/BinaryTree;
            aload 0 /* this */
            getfield org.apache.commons.compress.archivers.zip.ExplodingInputStream.bits:Lorg/apache/commons/compress/archivers/zip/BitStream;
            invokevirtual org.apache.commons.compress.archivers.zip.BinaryTree.read:(Lorg/apache/commons/compress/archivers/zip/BitStream;)I
            istore 4 /* distanceHigh */
        start local 4 // int distanceHigh
        17: .line 185
            iload 4 /* distanceHigh */
            iconst_m1
            if_icmpne 19
            iload 3 /* distanceLow */
            ifgt 19
        18: .line 187
            return
        19: .line 189
      StackMap locals: int int int
      StackMap stack:
            iload 4 /* distanceHigh */
            iload 2 /* distanceLowSize */
            ishl
            iload 3 /* distanceLow */
            ior
            istore 5 /* distance */
        start local 5 // int distance
        20: .line 191
            aload 0 /* this */
            getfield org.apache.commons.compress.archivers.zip.ExplodingInputStream.lengthTree:Lorg/apache/commons/compress/archivers/zip/BinaryTree;
            aload 0 /* this */
            getfield org.apache.commons.compress.archivers.zip.ExplodingInputStream.bits:Lorg/apache/commons/compress/archivers/zip/BitStream;
            invokevirtual org.apache.commons.compress.archivers.zip.BinaryTree.read:(Lorg/apache/commons/compress/archivers/zip/BitStream;)I
            istore 6 /* length */
        start local 6 // int length
        21: .line 192
            iload 6 /* length */
            bipush 63
            if_icmpne 23
        22: .line 193
            iload 6 /* length */
            i2l
            aload 0 /* this */
            getfield org.apache.commons.compress.archivers.zip.ExplodingInputStream.bits:Lorg/apache/commons/compress/archivers/zip/BitStream;
            bipush 8
            invokevirtual org.apache.commons.compress.archivers.zip.BitStream.nextBits:(I)J
            ladd
            l2i
            istore 6 /* length */
        23: .line 195
      StackMap locals: int int
      StackMap stack:
            iload 6 /* length */
            aload 0 /* this */
            getfield org.apache.commons.compress.archivers.zip.ExplodingInputStream.minimumMatchLength:I
            iadd
            istore 6 /* length */
        24: .line 197
            aload 0 /* this */
            getfield org.apache.commons.compress.archivers.zip.ExplodingInputStream.buffer:Lorg/apache/commons/compress/archivers/zip/CircularBuffer;
            iload 5 /* distance */
            iconst_1
            iadd
            iload 6 /* length */
            invokevirtual org.apache.commons.compress.archivers.zip.CircularBuffer.copy:(II)V
        end local 6 // int length
        end local 5 // int distance
        end local 4 // int distanceHigh
        end local 3 // int distanceLow
        end local 2 // int distanceLowSize
        25: .line 199
      StackMap locals: org.apache.commons.compress.archivers.zip.ExplodingInputStream int
      StackMap stack:
            return
        end local 1 // int bit
        end local 0 // org.apache.commons.compress.archivers.zip.ExplodingInputStream this
      LocalVariableTable:
        Start  End  Slot             Name  Signature
            0   26     0             this  Lorg/apache/commons/compress/archivers/zip/ExplodingInputStream;
            2   26     1              bit  I
            5    6     2          literal  I
            7   10     2          literal  I
           15   25     2  distanceLowSize  I
           16   25     3      distanceLow  I
           17   25     4     distanceHigh  I
           20   25     5         distance  I
           21   25     6           length  I
    Exceptions:
      throws java.io.IOException
}
SourceFile: "ExplodingInputStream.java"
NestMembers:
  org.apache.commons.compress.archivers.zip.ExplodingInputStream$1
InnerClasses:
  org.apache.commons.compress.archivers.zip.ExplodingInputStream$1