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.utils.CountingInputStream extends java.io.FilterInputStream
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: org.apache.commons.compress.utils.CountingInputStream
  super_class: java.io.FilterInputStream
{
  private long bytesRead;
    descriptor: J
    flags: (0x0002) ACC_PRIVATE

  public void <init>(java.io.InputStream);
    descriptor: (Ljava/io/InputStream;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.apache.commons.compress.utils.CountingInputStream this
        start local 1 // java.io.InputStream in
         0: .line 34
            aload 0 /* this */
            aload 1 /* in */
            invokespecial java.io.FilterInputStream.<init>:(Ljava/io/InputStream;)V
         1: .line 35
            return
        end local 1 // java.io.InputStream in
        end local 0 // org.apache.commons.compress.utils.CountingInputStream this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lorg/apache/commons/compress/utils/CountingInputStream;
            0    2     1    in  Ljava/io/InputStream;
    MethodParameters:
      Name  Flags
      in    final

  public int read();
    descriptor: ()I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=2, args_size=1
        start local 0 // org.apache.commons.compress.utils.CountingInputStream this
         0: .line 39
            aload 0 /* this */
            getfield org.apache.commons.compress.utils.CountingInputStream.in:Ljava/io/InputStream;
            invokevirtual java.io.InputStream.read:()I
            istore 1 /* r */
        start local 1 // int r
         1: .line 40
            iload 1 /* r */
            iflt 3
         2: .line 41
            aload 0 /* this */
            lconst_1
            invokevirtual org.apache.commons.compress.utils.CountingInputStream.count:(J)V
         3: .line 43
      StackMap locals: int
      StackMap stack:
            iload 1 /* r */
            ireturn
        end local 1 // int r
        end local 0 // org.apache.commons.compress.utils.CountingInputStream this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    4     0  this  Lorg/apache/commons/compress/utils/CountingInputStream;
            1    4     1     r  I
    Exceptions:
      throws java.io.IOException

  public int read(byte[]);
    descriptor: ([B)I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=2, args_size=2
        start local 0 // org.apache.commons.compress.utils.CountingInputStream this
        start local 1 // byte[] b
         0: .line 47
            aload 0 /* this */
            aload 1 /* b */
            iconst_0
            aload 1 /* b */
            arraylength
            invokevirtual org.apache.commons.compress.utils.CountingInputStream.read:([BII)I
            ireturn
        end local 1 // byte[] b
        end local 0 // org.apache.commons.compress.utils.CountingInputStream this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/apache/commons/compress/utils/CountingInputStream;
            0    1     1     b  [B
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      b     final

  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.utils.CountingInputStream this
        start local 1 // byte[] b
        start local 2 // int off
        start local 3 // int len
         0: .line 51
            aload 0 /* this */
            getfield org.apache.commons.compress.utils.CountingInputStream.in:Ljava/io/InputStream;
            aload 1 /* b */
            iload 2 /* off */
            iload 3 /* len */
            invokevirtual java.io.InputStream.read:([BII)I
            istore 4 /* r */
        start local 4 // int r
         1: .line 52
            iload 4 /* r */
            iflt 3
         2: .line 53
            aload 0 /* this */
            iload 4 /* r */
            i2l
            invokevirtual org.apache.commons.compress.utils.CountingInputStream.count:(J)V
         3: .line 55
      StackMap locals: int
      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.utils.CountingInputStream this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    4     0  this  Lorg/apache/commons/compress/utils/CountingInputStream;
            0    4     1     b  [B
            0    4     2   off  I
            0    4     3   len  I
            1    4     4     r  I
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      b     final
      off   final
      len   final

  protected final void count(long);
    descriptor: (J)V
    flags: (0x0014) ACC_PROTECTED, ACC_FINAL
    Code:
      stack=5, locals=3, args_size=2
        start local 0 // org.apache.commons.compress.utils.CountingInputStream this
        start local 1 // long read
         0: .line 64
            lload 1 /* read */
            ldc -1
            lcmp
            ifeq 2
         1: .line 65
            aload 0 /* this */
            dup
            getfield org.apache.commons.compress.utils.CountingInputStream.bytesRead:J
            lload 1 /* read */
            ladd
            putfield org.apache.commons.compress.utils.CountingInputStream.bytesRead:J
         2: .line 67
      StackMap locals:
      StackMap stack:
            return
        end local 1 // long read
        end local 0 // org.apache.commons.compress.utils.CountingInputStream this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Lorg/apache/commons/compress/utils/CountingInputStream;
            0    3     1  read  J
    MethodParameters:
      Name  Flags
      read  final

  public long getBytesRead();
    descriptor: ()J
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // org.apache.commons.compress.utils.CountingInputStream this
         0: .line 74
            aload 0 /* this */
            getfield org.apache.commons.compress.utils.CountingInputStream.bytesRead:J
            lreturn
        end local 0 // org.apache.commons.compress.utils.CountingInputStream this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/apache/commons/compress/utils/CountingInputStream;
}
SourceFile: "CountingInputStream.java"