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.xz.XZCompressorInputStream 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.xz.XZCompressorInputStream
  super_class: org.apache.commons.compress.compressors.CompressorInputStream
{
  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

  public static boolean matches(byte[], int);
    descriptor: ([BI)Z
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=3, locals=3, args_size=2
        start local 0 // byte[] signature
        start local 1 // int length
         0: .line 52
            iload 1 /* length */
            getstatic org.tukaani.xz.XZ.HEADER_MAGIC:[B
            arraylength
            if_icmpge 2
         1: .line 53
            iconst_0
            ireturn
         2: .line 56
      StackMap locals:
      StackMap stack:
            iconst_0
            istore 2 /* i */
        start local 2 // int i
         3: goto 7
         4: .line 57
      StackMap locals: int
      StackMap stack:
            aload 0 /* signature */
            iload 2 /* i */
            baload
            getstatic org.tukaani.xz.XZ.HEADER_MAGIC:[B
            iload 2 /* i */
            baload
            if_icmpeq 6
         5: .line 58
            iconst_0
            ireturn
         6: .line 56
      StackMap locals:
      StackMap stack:
            iinc 2 /* i */ 1
      StackMap locals:
      StackMap stack:
         7: iload 2 /* i */
            getstatic org.tukaani.xz.XZ.HEADER_MAGIC:[B
            arraylength
            if_icmplt 4
        end local 2 // int i
         8: .line 62
            iconst_1
            ireturn
        end local 1 // int length
        end local 0 // byte[] signature
      LocalVariableTable:
        Start  End  Slot       Name  Signature
            0    9     0  signature  [B
            0    9     1     length  I
            3    8     2          i  I
    MethodParameters:
           Name  Flags
      signature  final
      length     final

  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.xz.XZCompressorInputStream this
        start local 1 // java.io.InputStream inputStream
         0: .line 80
            aload 0 /* this */
            aload 1 /* inputStream */
            iconst_0
            invokespecial org.apache.commons.compress.compressors.xz.XZCompressorInputStream.<init>:(Ljava/io/InputStream;Z)V
         1: .line 81
            return
        end local 1 // java.io.InputStream inputStream
        end local 0 // org.apache.commons.compress.compressors.xz.XZCompressorInputStream this
      LocalVariableTable:
        Start  End  Slot         Name  Signature
            0    2     0         this  Lorg/apache/commons/compress/compressors/xz/XZCompressorInputStream;
            0    2     1  inputStream  Ljava/io/InputStream;
    Exceptions:
      throws java.io.IOException
    MethodParameters:
             Name  Flags
      inputStream  final

  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.xz.XZCompressorInputStream this
        start local 1 // java.io.InputStream inputStream
        start local 2 // boolean decompressConcatenated
         0: .line 103
            aload 0 /* this */
            aload 1 /* inputStream */
            iload 2 /* decompressConcatenated */
            iconst_m1
            invokespecial org.apache.commons.compress.compressors.xz.XZCompressorInputStream.<init>:(Ljava/io/InputStream;ZI)V
         1: .line 104
            return
        end local 2 // boolean decompressConcatenated
        end local 1 // java.io.InputStream inputStream
        end local 0 // org.apache.commons.compress.compressors.xz.XZCompressorInputStream this
      LocalVariableTable:
        Start  End  Slot                    Name  Signature
            0    2     0                    this  Lorg/apache/commons/compress/compressors/xz/XZCompressorInputStream;
            0    2     1             inputStream  Ljava/io/InputStream;
            0    2     2  decompressConcatenated  Z
    Exceptions:
      throws java.io.IOException
    MethodParameters:
                        Name  Flags
      inputStream             final
      decompressConcatenated  final

  public void <init>(java.io.InputStream, boolean, int);
    descriptor: (Ljava/io/InputStream;ZI)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=4, args_size=4
        start local 0 // org.apache.commons.compress.compressors.xz.XZCompressorInputStream this
        start local 1 // java.io.InputStream inputStream
        start local 2 // boolean decompressConcatenated
        start local 3 // int memoryLimitInKb
         0: .line 128
            aload 0 /* this */
            invokespecial org.apache.commons.compress.compressors.CompressorInputStream.<init>:()V
         1: .line 131
            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
            putfield org.apache.commons.compress.compressors.xz.XZCompressorInputStream.countingStream:Lorg/apache/commons/compress/utils/CountingInputStream;
         2: .line 132
            iload 2 /* decompressConcatenated */
            ifeq 5
         3: .line 133
            aload 0 /* this */
            new org.tukaani.xz.XZInputStream
            dup
            aload 0 /* this */
            getfield org.apache.commons.compress.compressors.xz.XZCompressorInputStream.countingStream:Lorg/apache/commons/compress/utils/CountingInputStream;
            iload 3 /* memoryLimitInKb */
            invokespecial org.tukaani.xz.XZInputStream.<init>:(Ljava/io/InputStream;I)V
            putfield org.apache.commons.compress.compressors.xz.XZCompressorInputStream.in:Ljava/io/InputStream;
         4: .line 134
            goto 6
         5: .line 135
      StackMap locals: org.apache.commons.compress.compressors.xz.XZCompressorInputStream java.io.InputStream int int
      StackMap stack:
            aload 0 /* this */
            new org.tukaani.xz.SingleXZInputStream
            dup
            aload 0 /* this */
            getfield org.apache.commons.compress.compressors.xz.XZCompressorInputStream.countingStream:Lorg/apache/commons/compress/utils/CountingInputStream;
            iload 3 /* memoryLimitInKb */
            invokespecial org.tukaani.xz.SingleXZInputStream.<init>:(Ljava/io/InputStream;I)V
            putfield org.apache.commons.compress.compressors.xz.XZCompressorInputStream.in:Ljava/io/InputStream;
         6: .line 137
      StackMap locals:
      StackMap stack:
            return
        end local 3 // int memoryLimitInKb
        end local 2 // boolean decompressConcatenated
        end local 1 // java.io.InputStream inputStream
        end local 0 // org.apache.commons.compress.compressors.xz.XZCompressorInputStream this
      LocalVariableTable:
        Start  End  Slot                    Name  Signature
            0    7     0                    this  Lorg/apache/commons/compress/compressors/xz/XZCompressorInputStream;
            0    7     1             inputStream  Ljava/io/InputStream;
            0    7     2  decompressConcatenated  Z
            0    7     3         memoryLimitInKb  I
    Exceptions:
      throws java.io.IOException
    MethodParameters:
                        Name  Flags
      inputStream             
      decompressConcatenated  
      memoryLimitInKb         final

  public int read();
    descriptor: ()I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=6, locals=2, args_size=1
        start local 0 // org.apache.commons.compress.compressors.xz.XZCompressorInputStream this
         0: .line 142
            aload 0 /* this */
            getfield org.apache.commons.compress.compressors.xz.XZCompressorInputStream.in:Ljava/io/InputStream;
            invokevirtual java.io.InputStream.read:()I
            istore 1 /* ret */
        start local 1 // int ret
         1: .line 143
            aload 0 /* this */
            iload 1 /* ret */
            iconst_m1
            if_icmpne 2
            iconst_m1
            goto 3
      StackMap locals: org.apache.commons.compress.compressors.xz.XZCompressorInputStream int
      StackMap stack: org.apache.commons.compress.compressors.xz.XZCompressorInputStream
         2: iconst_1
      StackMap locals: org.apache.commons.compress.compressors.xz.XZCompressorInputStream int
      StackMap stack: org.apache.commons.compress.compressors.xz.XZCompressorInputStream int
         3: invokevirtual org.apache.commons.compress.compressors.xz.XZCompressorInputStream.count:(I)V
         4: .line 144
            iload 1 /* ret */
         5: ireturn
        end local 1 // int ret
         6: .line 145
      StackMap locals: org.apache.commons.compress.compressors.xz.XZCompressorInputStream
      StackMap stack: org.tukaani.xz.MemoryLimitException
            astore 1 /* e */
        start local 1 // org.tukaani.xz.MemoryLimitException e
         7: .line 146
            new org.apache.commons.compress.MemoryLimitException
            dup
            aload 1 /* e */
            invokevirtual org.tukaani.xz.MemoryLimitException.getMemoryNeeded:()I
            i2l
            aload 1 /* e */
            invokevirtual org.tukaani.xz.MemoryLimitException.getMemoryLimit:()I
            aload 1 /* e */
            invokespecial org.apache.commons.compress.MemoryLimitException.<init>:(JILjava/lang/Exception;)V
            athrow
        end local 1 // org.tukaani.xz.MemoryLimitException e
        end local 0 // org.apache.commons.compress.compressors.xz.XZCompressorInputStream this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    8     0  this  Lorg/apache/commons/compress/compressors/xz/XZCompressorInputStream;
            1    6     1   ret  I
            7    8     1     e  Lorg/tukaani/xz/MemoryLimitException;
      Exception table:
        from    to  target  type
           0     5       6  Class org.tukaani.xz.MemoryLimitException
    Exceptions:
      throws java.io.IOException

  public int read(byte[], int, int);
    descriptor: ([BII)I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=6, locals=5, args_size=4
        start local 0 // org.apache.commons.compress.compressors.xz.XZCompressorInputStream this
        start local 1 // byte[] buf
        start local 2 // int off
        start local 3 // int len
         0: .line 153
            aload 0 /* this */
            getfield org.apache.commons.compress.compressors.xz.XZCompressorInputStream.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 154
            aload 0 /* this */
            iload 4 /* ret */
            invokevirtual org.apache.commons.compress.compressors.xz.XZCompressorInputStream.count:(I)V
         2: .line 155
            iload 4 /* ret */
         3: ireturn
        end local 4 // int ret
         4: .line 156
      StackMap locals:
      StackMap stack: org.tukaani.xz.MemoryLimitException
            astore 4 /* e */
        start local 4 // org.tukaani.xz.MemoryLimitException e
         5: .line 158
            new org.apache.commons.compress.MemoryLimitException
            dup
            aload 4 /* e */
            invokevirtual org.tukaani.xz.MemoryLimitException.getMemoryNeeded:()I
            i2l
            aload 4 /* e */
            invokevirtual org.tukaani.xz.MemoryLimitException.getMemoryLimit:()I
            aload 4 /* e */
            invokespecial org.apache.commons.compress.MemoryLimitException.<init>:(JILjava/lang/Exception;)V
            athrow
        end local 4 // org.tukaani.xz.MemoryLimitException e
        end local 3 // int len
        end local 2 // int off
        end local 1 // byte[] buf
        end local 0 // org.apache.commons.compress.compressors.xz.XZCompressorInputStream this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    6     0  this  Lorg/apache/commons/compress/compressors/xz/XZCompressorInputStream;
            0    6     1   buf  [B
            0    6     2   off  I
            0    6     3   len  I
            1    4     4   ret  I
            5    6     4     e  Lorg/tukaani/xz/MemoryLimitException;
      Exception table:
        from    to  target  type
           0     3       4  Class org.tukaani.xz.MemoryLimitException
    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=6, locals=4, args_size=2
        start local 0 // org.apache.commons.compress.compressors.xz.XZCompressorInputStream this
        start local 1 // long n
         0: .line 165
            aload 0 /* this */
            getfield org.apache.commons.compress.compressors.xz.XZCompressorInputStream.in:Ljava/io/InputStream;
            lload 1 /* n */
            invokestatic org.apache.commons.compress.utils.IOUtils.skip:(Ljava/io/InputStream;J)J
         1: lreturn
         2: .line 166
      StackMap locals:
      StackMap stack: org.tukaani.xz.MemoryLimitException
            astore 3 /* e */
        start local 3 // org.tukaani.xz.MemoryLimitException e
         3: .line 168
            new org.apache.commons.compress.MemoryLimitException
            dup
            aload 3 /* e */
            invokevirtual org.tukaani.xz.MemoryLimitException.getMemoryNeeded:()I
            i2l
            aload 3 /* e */
            invokevirtual org.tukaani.xz.MemoryLimitException.getMemoryLimit:()I
            aload 3 /* e */
            invokespecial org.apache.commons.compress.MemoryLimitException.<init>:(JILjava/lang/Exception;)V
            athrow
        end local 3 // org.tukaani.xz.MemoryLimitException e
        end local 1 // long n
        end local 0 // org.apache.commons.compress.compressors.xz.XZCompressorInputStream this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    4     0  this  Lorg/apache/commons/compress/compressors/xz/XZCompressorInputStream;
            0    4     1     n  J
            3    4     3     e  Lorg/tukaani/xz/MemoryLimitException;
      Exception table:
        from    to  target  type
           0     1       2  Class org.tukaani.xz.MemoryLimitException
    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.xz.XZCompressorInputStream this
         0: .line 174
            aload 0 /* this */
            getfield org.apache.commons.compress.compressors.xz.XZCompressorInputStream.in:Ljava/io/InputStream;
            invokevirtual java.io.InputStream.available:()I
            ireturn
        end local 0 // org.apache.commons.compress.compressors.xz.XZCompressorInputStream this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/apache/commons/compress/compressors/xz/XZCompressorInputStream;
    Exceptions:
      throws java.io.IOException

  public void close();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.apache.commons.compress.compressors.xz.XZCompressorInputStream this
         0: .line 179
            aload 0 /* this */
            getfield org.apache.commons.compress.compressors.xz.XZCompressorInputStream.in:Ljava/io/InputStream;
            invokevirtual java.io.InputStream.close:()V
         1: .line 180
            return
        end local 0 // org.apache.commons.compress.compressors.xz.XZCompressorInputStream this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lorg/apache/commons/compress/compressors/xz/XZCompressorInputStream;
    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.xz.XZCompressorInputStream this
         0: .line 187
            aload 0 /* this */
            getfield org.apache.commons.compress.compressors.xz.XZCompressorInputStream.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.xz.XZCompressorInputStream this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/apache/commons/compress/compressors/xz/XZCompressorInputStream;
}
SourceFile: "XZCompressorInputStream.java"