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.deflate.DeflateCompressorInputStream 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.deflate.DeflateCompressorInputStream
  super_class: org.apache.commons.compress.compressors.CompressorInputStream
{
  private static final int MAGIC_1;
    descriptor: I
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
    ConstantValue: 120

  private static final int MAGIC_2a;
    descriptor: I
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
    ConstantValue: 1

  private static final int MAGIC_2b;
    descriptor: I
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
    ConstantValue: 94

  private static final int MAGIC_2c;
    descriptor: I
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
    ConstantValue: 156

  private static final int MAGIC_2d;
    descriptor: I
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
    ConstantValue: 218

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

  private final java.io.InputStream in;
    descriptor: Ljava/io/InputStream;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private final java.util.zip.Inflater inflater;
    descriptor: Ljava/util/zip/Inflater;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  public void <init>(java.io.InputStream);
    descriptor: (Ljava/io/InputStream;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=2, args_size=2
        start local 0 // org.apache.commons.compress.compressors.deflate.DeflateCompressorInputStream this
        start local 1 // java.io.InputStream inputStream
         0: .line 56
            aload 0 /* this */
            aload 1 /* inputStream */
            new org.apache.commons.compress.compressors.deflate.DeflateParameters
            dup
            invokespecial org.apache.commons.compress.compressors.deflate.DeflateParameters.<init>:()V
            invokespecial org.apache.commons.compress.compressors.deflate.DeflateCompressorInputStream.<init>:(Ljava/io/InputStream;Lorg/apache/commons/compress/compressors/deflate/DeflateParameters;)V
         1: .line 57
            return
        end local 1 // java.io.InputStream inputStream
        end local 0 // org.apache.commons.compress.compressors.deflate.DeflateCompressorInputStream this
      LocalVariableTable:
        Start  End  Slot         Name  Signature
            0    2     0         this  Lorg/apache/commons/compress/compressors/deflate/DeflateCompressorInputStream;
            0    2     1  inputStream  Ljava/io/InputStream;
    MethodParameters:
             Name  Flags
      inputStream  final

  public void <init>(java.io.InputStream, org.apache.commons.compress.compressors.deflate.DeflateParameters);
    descriptor: (Ljava/io/InputStream;Lorg/apache/commons/compress/compressors/deflate/DeflateParameters;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=7, locals=3, args_size=3
        start local 0 // org.apache.commons.compress.compressors.deflate.DeflateCompressorInputStream this
        start local 1 // java.io.InputStream inputStream
        start local 2 // org.apache.commons.compress.compressors.deflate.DeflateParameters parameters
         0: .line 66
            aload 0 /* this */
            invokespecial org.apache.commons.compress.compressors.CompressorInputStream.<init>:()V
         1: .line 68
            aload 0 /* this */
         2: new java.util.zip.Inflater
            dup
            aload 2 /* parameters */
            invokevirtual org.apache.commons.compress.compressors.deflate.DeflateParameters.withZlibHeader:()Z
            ifeq 3
            iconst_0
            goto 4
      StackMap locals: org.apache.commons.compress.compressors.deflate.DeflateCompressorInputStream java.io.InputStream org.apache.commons.compress.compressors.deflate.DeflateParameters
      StackMap stack: org.apache.commons.compress.compressors.deflate.DeflateCompressorInputStream new 2 new 2
         3: iconst_1
      StackMap locals: org.apache.commons.compress.compressors.deflate.DeflateCompressorInputStream java.io.InputStream org.apache.commons.compress.compressors.deflate.DeflateParameters
      StackMap stack: org.apache.commons.compress.compressors.deflate.DeflateCompressorInputStream new 2 new 2 int
         4: invokespecial java.util.zip.Inflater.<init>:(Z)V
            putfield org.apache.commons.compress.compressors.deflate.DeflateCompressorInputStream.inflater:Ljava/util/zip/Inflater;
         5: .line 69
            aload 0 /* this */
            new java.util.zip.InflaterInputStream
            dup
            aload 0 /* this */
            new org.apache.commons.compress.utils.CountingInputStream
            dup
            aload 1 /* inputStream */
            invokespecial org.apache.commons.compress.utils.CountingInputStream.<init>:(Ljava/io/InputStream;)V
            dup_x1
            putfield org.apache.commons.compress.compressors.deflate.DeflateCompressorInputStream.countingStream:Lorg/apache/commons/compress/utils/CountingInputStream;
            aload 0 /* this */
            getfield org.apache.commons.compress.compressors.deflate.DeflateCompressorInputStream.inflater:Ljava/util/zip/Inflater;
            invokespecial java.util.zip.InflaterInputStream.<init>:(Ljava/io/InputStream;Ljava/util/zip/Inflater;)V
            putfield org.apache.commons.compress.compressors.deflate.DeflateCompressorInputStream.in:Ljava/io/InputStream;
         6: .line 70
            return
        end local 2 // org.apache.commons.compress.compressors.deflate.DeflateParameters parameters
        end local 1 // java.io.InputStream inputStream
        end local 0 // org.apache.commons.compress.compressors.deflate.DeflateCompressorInputStream this
      LocalVariableTable:
        Start  End  Slot         Name  Signature
            0    7     0         this  Lorg/apache/commons/compress/compressors/deflate/DeflateCompressorInputStream;
            0    7     1  inputStream  Ljava/io/InputStream;
            0    7     2   parameters  Lorg/apache/commons/compress/compressors/deflate/DeflateParameters;
    MethodParameters:
             Name  Flags
      inputStream  final
      parameters   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.compressors.deflate.DeflateCompressorInputStream this
         0: .line 75
            aload 0 /* this */
            getfield org.apache.commons.compress.compressors.deflate.DeflateCompressorInputStream.in:Ljava/io/InputStream;
            invokevirtual java.io.InputStream.read:()I
            istore 1 /* ret */
        start local 1 // int ret
         1: .line 76
            aload 0 /* this */
            iload 1 /* ret */
            iconst_m1
            if_icmpne 2
            iconst_0
            goto 3
      StackMap locals: org.apache.commons.compress.compressors.deflate.DeflateCompressorInputStream int
      StackMap stack: org.apache.commons.compress.compressors.deflate.DeflateCompressorInputStream
         2: iconst_1
      StackMap locals: org.apache.commons.compress.compressors.deflate.DeflateCompressorInputStream int
      StackMap stack: org.apache.commons.compress.compressors.deflate.DeflateCompressorInputStream int
         3: invokevirtual org.apache.commons.compress.compressors.deflate.DeflateCompressorInputStream.count:(I)V
         4: .line 77
            iload 1 /* ret */
            ireturn
        end local 1 // int ret
        end local 0 // org.apache.commons.compress.compressors.deflate.DeflateCompressorInputStream this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    5     0  this  Lorg/apache/commons/compress/compressors/deflate/DeflateCompressorInputStream;
            1    5     1   ret  I
    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.deflate.DeflateCompressorInputStream this
        start local 1 // byte[] buf
        start local 2 // int off
        start local 3 // int len
         0: .line 83
            aload 0 /* this */
            getfield org.apache.commons.compress.compressors.deflate.DeflateCompressorInputStream.in:Ljava/io/InputStream;
            aload 1 /* buf */
            iload 2 /* off */
            iload 3 /* len */
            invokevirtual java.io.InputStream.read:([BII)I
            istore 4 /* ret */
        start local 4 // int ret
         1: .line 84
            aload 0 /* this */
            iload 4 /* ret */
            invokevirtual org.apache.commons.compress.compressors.deflate.DeflateCompressorInputStream.count:(I)V
         2: .line 85
            iload 4 /* ret */
            ireturn
        end local 4 // int ret
        end local 3 // int len
        end local 2 // int off
        end local 1 // byte[] buf
        end local 0 // org.apache.commons.compress.compressors.deflate.DeflateCompressorInputStream this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Lorg/apache/commons/compress/compressors/deflate/DeflateCompressorInputStream;
            0    3     1   buf  [B
            0    3     2   off  I
            0    3     3   len  I
            1    3     4   ret  I
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      buf   final
      off   final
      len   final

  public long skip(long);
    descriptor: (J)J
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=3, args_size=2
        start local 0 // org.apache.commons.compress.compressors.deflate.DeflateCompressorInputStream this
        start local 1 // long n
         0: .line 91
            aload 0 /* this */
            getfield org.apache.commons.compress.compressors.deflate.DeflateCompressorInputStream.in:Ljava/io/InputStream;
            lload 1 /* n */
            invokestatic org.apache.commons.compress.utils.IOUtils.skip:(Ljava/io/InputStream;J)J
            lreturn
        end local 1 // long n
        end local 0 // org.apache.commons.compress.compressors.deflate.DeflateCompressorInputStream this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/apache/commons/compress/compressors/deflate/DeflateCompressorInputStream;
            0    1     1     n  J
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      n     final

  public int available();
    descriptor: ()I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.apache.commons.compress.compressors.deflate.DeflateCompressorInputStream this
         0: .line 97
            aload 0 /* this */
            getfield org.apache.commons.compress.compressors.deflate.DeflateCompressorInputStream.in:Ljava/io/InputStream;
            invokevirtual java.io.InputStream.available:()I
            ireturn
        end local 0 // org.apache.commons.compress.compressors.deflate.DeflateCompressorInputStream this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/apache/commons/compress/compressors/deflate/DeflateCompressorInputStream;
    Exceptions:
      throws java.io.IOException

  public void close();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=2, args_size=1
        start local 0 // org.apache.commons.compress.compressors.deflate.DeflateCompressorInputStream this
         0: .line 104
            aload 0 /* this */
            getfield org.apache.commons.compress.compressors.deflate.DeflateCompressorInputStream.in:Ljava/io/InputStream;
            invokevirtual java.io.InputStream.close:()V
         1: .line 105
            goto 5
      StackMap locals:
      StackMap stack: java.lang.Throwable
         2: astore 1
         3: .line 106
            aload 0 /* this */
            getfield org.apache.commons.compress.compressors.deflate.DeflateCompressorInputStream.inflater:Ljava/util/zip/Inflater;
            invokevirtual java.util.zip.Inflater.end:()V
         4: .line 107
            aload 1
            athrow
         5: .line 106
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.apache.commons.compress.compressors.deflate.DeflateCompressorInputStream.inflater:Ljava/util/zip/Inflater;
            invokevirtual java.util.zip.Inflater.end:()V
         6: .line 108
            return
        end local 0 // org.apache.commons.compress.compressors.deflate.DeflateCompressorInputStream this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    7     0  this  Lorg/apache/commons/compress/compressors/deflate/DeflateCompressorInputStream;
      Exception table:
        from    to  target  type
           0     2       2  any
    Exceptions:
      throws java.io.IOException

  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.deflate.DeflateCompressorInputStream this
         0: .line 115
            aload 0 /* this */
            getfield org.apache.commons.compress.compressors.deflate.DeflateCompressorInputStream.countingStream:Lorg/apache/commons/compress/utils/CountingInputStream;
            invokevirtual org.apache.commons.compress.utils.CountingInputStream.getBytesRead:()J
            lreturn
        end local 0 // org.apache.commons.compress.compressors.deflate.DeflateCompressorInputStream this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/apache/commons/compress/compressors/deflate/DeflateCompressorInputStream;

  public static boolean matches(byte[], int);
    descriptor: ([BI)Z
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // byte[] signature
        start local 1 // int length
         0: .line 132
            iload 1 /* length */
            iconst_3
            if_icmple 6
            aload 0 /* signature */
            iconst_0
            baload
            bipush 120
            if_icmpne 6
         1: .line 133
            aload 0 /* signature */
            iconst_1
            baload
            iconst_1
            if_icmpeq 5
         2: .line 134
            aload 0 /* signature */
            iconst_1
            baload
            bipush 94
            if_icmpeq 5
         3: .line 135
            aload 0 /* signature */
            iconst_1
            baload
            bipush -100
            if_icmpeq 5
         4: .line 136
            aload 0 /* signature */
            iconst_1
            baload
            bipush -38
            if_icmpne 6
         5: .line 132
      StackMap locals:
      StackMap stack:
            iconst_1
            ireturn
      StackMap locals:
      StackMap stack:
         6: iconst_0
            ireturn
        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
    MethodParameters:
           Name  Flags
      signature  final
      length     final
}
SourceFile: "DeflateCompressorInputStream.java"