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 abstract class org.apache.commons.compress.archivers.zip.AbstractUnicodeExtraField implements org.apache.commons.compress.archivers.zip.ZipExtraField
  minor version: 0
  major version: 59
  flags: flags: (0x0421) ACC_PUBLIC, ACC_SUPER, ACC_ABSTRACT
  this_class: org.apache.commons.compress.archivers.zip.AbstractUnicodeExtraField
  super_class: java.lang.Object
{
  private long nameCRC32;
    descriptor: J
    flags: (0x0002) ACC_PRIVATE

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

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

  protected void <init>();
    descriptor: ()V
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.apache.commons.compress.archivers.zip.AbstractUnicodeExtraField this
         0: .line 36
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 37
            return
        end local 0 // org.apache.commons.compress.archivers.zip.AbstractUnicodeExtraField this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lorg/apache/commons/compress/archivers/zip/AbstractUnicodeExtraField;

  protected void <init>(java.lang.String, byte[], int, int);
    descriptor: (Ljava/lang/String;[BII)V
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=4, locals=7, args_size=5
        start local 0 // org.apache.commons.compress.archivers.zip.AbstractUnicodeExtraField this
        start local 1 // java.lang.String text
        start local 2 // byte[] bytes
        start local 3 // int off
        start local 4 // int len
         0: .line 51
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 52
            new java.util.zip.CRC32
            dup
            invokespecial java.util.zip.CRC32.<init>:()V
            astore 5 /* crc32 */
        start local 5 // java.util.zip.CRC32 crc32
         2: .line 53
            aload 5 /* crc32 */
            aload 2 /* bytes */
            iload 3 /* off */
            iload 4 /* len */
            invokevirtual java.util.zip.CRC32.update:([BII)V
         3: .line 54
            aload 0 /* this */
            aload 5 /* crc32 */
            invokevirtual java.util.zip.CRC32.getValue:()J
            putfield org.apache.commons.compress.archivers.zip.AbstractUnicodeExtraField.nameCRC32:J
         4: .line 57
            aload 0 /* this */
            aload 1 /* text */
            ldc "UTF-8"
            invokevirtual java.lang.String.getBytes:(Ljava/lang/String;)[B
            putfield org.apache.commons.compress.archivers.zip.AbstractUnicodeExtraField.unicodeName:[B
         5: .line 58
            goto 8
      StackMap locals: org.apache.commons.compress.archivers.zip.AbstractUnicodeExtraField java.lang.String byte[] int int java.util.zip.CRC32
      StackMap stack: java.io.UnsupportedEncodingException
         6: astore 6 /* e */
        start local 6 // java.io.UnsupportedEncodingException e
         7: .line 59
            new java.lang.RuntimeException
            dup
            ldc "FATAL: UTF-8 encoding not supported."
            aload 6 /* e */
            invokespecial java.lang.RuntimeException.<init>:(Ljava/lang/String;Ljava/lang/Throwable;)V
            athrow
        end local 6 // java.io.UnsupportedEncodingException e
         8: .line 61
      StackMap locals:
      StackMap stack:
            return
        end local 5 // java.util.zip.CRC32 crc32
        end local 4 // int len
        end local 3 // int off
        end local 2 // byte[] bytes
        end local 1 // java.lang.String text
        end local 0 // org.apache.commons.compress.archivers.zip.AbstractUnicodeExtraField this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    9     0   this  Lorg/apache/commons/compress/archivers/zip/AbstractUnicodeExtraField;
            0    9     1   text  Ljava/lang/String;
            0    9     2  bytes  [B
            0    9     3    off  I
            0    9     4    len  I
            2    9     5  crc32  Ljava/util/zip/CRC32;
            7    8     6      e  Ljava/io/UnsupportedEncodingException;
      Exception table:
        from    to  target  type
           4     5       6  Class java.io.UnsupportedEncodingException
    MethodParameters:
       Name  Flags
      text   final
      bytes  final
      off    final
      len    final

  protected void <init>(java.lang.String, byte[]);
    descriptor: (Ljava/lang/String;[B)V
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=5, locals=3, args_size=3
        start local 0 // org.apache.commons.compress.archivers.zip.AbstractUnicodeExtraField this
        start local 1 // java.lang.String text
        start local 2 // byte[] bytes
         0: .line 72
            aload 0 /* this */
            aload 1 /* text */
            aload 2 /* bytes */
            iconst_0
            aload 2 /* bytes */
            arraylength
            invokespecial org.apache.commons.compress.archivers.zip.AbstractUnicodeExtraField.<init>:(Ljava/lang/String;[BII)V
         1: .line 73
            return
        end local 2 // byte[] bytes
        end local 1 // java.lang.String text
        end local 0 // org.apache.commons.compress.archivers.zip.AbstractUnicodeExtraField this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    2     0   this  Lorg/apache/commons/compress/archivers/zip/AbstractUnicodeExtraField;
            0    2     1   text  Ljava/lang/String;
            0    2     2  bytes  [B
    MethodParameters:
       Name  Flags
      text   final
      bytes  final

  private void assembleData();
    descriptor: ()V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=5, locals=1, args_size=1
        start local 0 // org.apache.commons.compress.archivers.zip.AbstractUnicodeExtraField this
         0: .line 76
            aload 0 /* this */
            getfield org.apache.commons.compress.archivers.zip.AbstractUnicodeExtraField.unicodeName:[B
            ifnonnull 2
         1: .line 77
            return
         2: .line 80
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            iconst_5
            aload 0 /* this */
            getfield org.apache.commons.compress.archivers.zip.AbstractUnicodeExtraField.unicodeName:[B
            arraylength
            iadd
            newarray 8
            putfield org.apache.commons.compress.archivers.zip.AbstractUnicodeExtraField.data:[B
         3: .line 82
            aload 0 /* this */
            getfield org.apache.commons.compress.archivers.zip.AbstractUnicodeExtraField.data:[B
            iconst_0
            iconst_1
            bastore
         4: .line 83
            aload 0 /* this */
            getfield org.apache.commons.compress.archivers.zip.AbstractUnicodeExtraField.nameCRC32:J
            invokestatic org.apache.commons.compress.archivers.zip.ZipLong.getBytes:(J)[B
            iconst_0
            aload 0 /* this */
            getfield org.apache.commons.compress.archivers.zip.AbstractUnicodeExtraField.data:[B
            iconst_1
            iconst_4
            invokestatic java.lang.System.arraycopy:(Ljava/lang/Object;ILjava/lang/Object;II)V
         5: .line 84
            aload 0 /* this */
            getfield org.apache.commons.compress.archivers.zip.AbstractUnicodeExtraField.unicodeName:[B
            iconst_0
            aload 0 /* this */
            getfield org.apache.commons.compress.archivers.zip.AbstractUnicodeExtraField.data:[B
            iconst_5
            aload 0 /* this */
            getfield org.apache.commons.compress.archivers.zip.AbstractUnicodeExtraField.unicodeName:[B
            arraylength
            invokestatic java.lang.System.arraycopy:(Ljava/lang/Object;ILjava/lang/Object;II)V
         6: .line 85
            return
        end local 0 // org.apache.commons.compress.archivers.zip.AbstractUnicodeExtraField this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    7     0  this  Lorg/apache/commons/compress/archivers/zip/AbstractUnicodeExtraField;

  public long getNameCRC32();
    descriptor: ()J
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // org.apache.commons.compress.archivers.zip.AbstractUnicodeExtraField this
         0: .line 92
            aload 0 /* this */
            getfield org.apache.commons.compress.archivers.zip.AbstractUnicodeExtraField.nameCRC32:J
            lreturn
        end local 0 // org.apache.commons.compress.archivers.zip.AbstractUnicodeExtraField this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/apache/commons/compress/archivers/zip/AbstractUnicodeExtraField;

  public void setNameCRC32(long);
    descriptor: (J)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=3, args_size=2
        start local 0 // org.apache.commons.compress.archivers.zip.AbstractUnicodeExtraField this
        start local 1 // long nameCRC32
         0: .line 100
            aload 0 /* this */
            lload 1 /* nameCRC32 */
            putfield org.apache.commons.compress.archivers.zip.AbstractUnicodeExtraField.nameCRC32:J
         1: .line 101
            aload 0 /* this */
            aconst_null
            putfield org.apache.commons.compress.archivers.zip.AbstractUnicodeExtraField.data:[B
         2: .line 102
            return
        end local 1 // long nameCRC32
        end local 0 // org.apache.commons.compress.archivers.zip.AbstractUnicodeExtraField this
      LocalVariableTable:
        Start  End  Slot       Name  Signature
            0    3     0       this  Lorg/apache/commons/compress/archivers/zip/AbstractUnicodeExtraField;
            0    3     1  nameCRC32  J
    MethodParameters:
           Name  Flags
      nameCRC32  final

  public byte[] getUnicodeName();
    descriptor: ()[B
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=2, args_size=1
        start local 0 // org.apache.commons.compress.archivers.zip.AbstractUnicodeExtraField this
         0: .line 108
            aconst_null
            astore 1 /* b */
        start local 1 // byte[] b
         1: .line 109
            aload 0 /* this */
            getfield org.apache.commons.compress.archivers.zip.AbstractUnicodeExtraField.unicodeName:[B
            ifnull 4
         2: .line 110
            aload 0 /* this */
            getfield org.apache.commons.compress.archivers.zip.AbstractUnicodeExtraField.unicodeName:[B
            arraylength
            newarray 8
            astore 1 /* b */
         3: .line 111
            aload 0 /* this */
            getfield org.apache.commons.compress.archivers.zip.AbstractUnicodeExtraField.unicodeName:[B
            iconst_0
            aload 1 /* b */
            iconst_0
            aload 1 /* b */
            arraylength
            invokestatic java.lang.System.arraycopy:(Ljava/lang/Object;ILjava/lang/Object;II)V
         4: .line 113
      StackMap locals: byte[]
      StackMap stack:
            aload 1 /* b */
            areturn
        end local 1 // byte[] b
        end local 0 // org.apache.commons.compress.archivers.zip.AbstractUnicodeExtraField this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    5     0  this  Lorg/apache/commons/compress/archivers/zip/AbstractUnicodeExtraField;
            1    5     1     b  [B

  public void setUnicodeName(byte[]);
    descriptor: ([B)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=2, args_size=2
        start local 0 // org.apache.commons.compress.archivers.zip.AbstractUnicodeExtraField this
        start local 1 // byte[] unicodeName
         0: .line 120
            aload 1 /* unicodeName */
            ifnull 6
         1: .line 121
            aload 0 /* this */
            aload 1 /* unicodeName */
            arraylength
            newarray 8
            putfield org.apache.commons.compress.archivers.zip.AbstractUnicodeExtraField.unicodeName:[B
         2: .line 122
            aload 1 /* unicodeName */
            iconst_0
            aload 0 /* this */
            getfield org.apache.commons.compress.archivers.zip.AbstractUnicodeExtraField.unicodeName:[B
            iconst_0
         3: .line 123
            aload 1 /* unicodeName */
            arraylength
         4: .line 122
            invokestatic java.lang.System.arraycopy:(Ljava/lang/Object;ILjava/lang/Object;II)V
         5: .line 124
            goto 7
         6: .line 125
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            aconst_null
            putfield org.apache.commons.compress.archivers.zip.AbstractUnicodeExtraField.unicodeName:[B
         7: .line 127
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            aconst_null
            putfield org.apache.commons.compress.archivers.zip.AbstractUnicodeExtraField.data:[B
         8: .line 128
            return
        end local 1 // byte[] unicodeName
        end local 0 // org.apache.commons.compress.archivers.zip.AbstractUnicodeExtraField this
      LocalVariableTable:
        Start  End  Slot         Name  Signature
            0    9     0         this  Lorg/apache/commons/compress/archivers/zip/AbstractUnicodeExtraField;
            0    9     1  unicodeName  [B
    MethodParameters:
             Name  Flags
      unicodeName  final

  public byte[] getCentralDirectoryData();
    descriptor: ()[B
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=2, args_size=1
        start local 0 // org.apache.commons.compress.archivers.zip.AbstractUnicodeExtraField this
         0: .line 132
            aload 0 /* this */
            getfield org.apache.commons.compress.archivers.zip.AbstractUnicodeExtraField.data:[B
            ifnonnull 2
         1: .line 133
            aload 0 /* this */
            invokevirtual org.apache.commons.compress.archivers.zip.AbstractUnicodeExtraField.assembleData:()V
         2: .line 135
      StackMap locals:
      StackMap stack:
            aconst_null
            astore 1 /* b */
        start local 1 // byte[] b
         3: .line 136
            aload 0 /* this */
            getfield org.apache.commons.compress.archivers.zip.AbstractUnicodeExtraField.data:[B
            ifnull 6
         4: .line 137
            aload 0 /* this */
            getfield org.apache.commons.compress.archivers.zip.AbstractUnicodeExtraField.data:[B
            arraylength
            newarray 8
            astore 1 /* b */
         5: .line 138
            aload 0 /* this */
            getfield org.apache.commons.compress.archivers.zip.AbstractUnicodeExtraField.data:[B
            iconst_0
            aload 1 /* b */
            iconst_0
            aload 1 /* b */
            arraylength
            invokestatic java.lang.System.arraycopy:(Ljava/lang/Object;ILjava/lang/Object;II)V
         6: .line 140
      StackMap locals: byte[]
      StackMap stack:
            aload 1 /* b */
            areturn
        end local 1 // byte[] b
        end local 0 // org.apache.commons.compress.archivers.zip.AbstractUnicodeExtraField this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    7     0  this  Lorg/apache/commons/compress/archivers/zip/AbstractUnicodeExtraField;
            3    7     1     b  [B

  public org.apache.commons.compress.archivers.zip.ZipShort getCentralDirectoryLength();
    descriptor: ()Lorg/apache/commons/compress/archivers/zip/ZipShort;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=1, args_size=1
        start local 0 // org.apache.commons.compress.archivers.zip.AbstractUnicodeExtraField this
         0: .line 145
            aload 0 /* this */
            getfield org.apache.commons.compress.archivers.zip.AbstractUnicodeExtraField.data:[B
            ifnonnull 2
         1: .line 146
            aload 0 /* this */
            invokevirtual org.apache.commons.compress.archivers.zip.AbstractUnicodeExtraField.assembleData:()V
         2: .line 148
      StackMap locals:
      StackMap stack:
            new org.apache.commons.compress.archivers.zip.ZipShort
            dup
            aload 0 /* this */
            getfield org.apache.commons.compress.archivers.zip.AbstractUnicodeExtraField.data:[B
            ifnull 3
            aload 0 /* this */
            getfield org.apache.commons.compress.archivers.zip.AbstractUnicodeExtraField.data:[B
            arraylength
            goto 4
      StackMap locals: org.apache.commons.compress.archivers.zip.AbstractUnicodeExtraField
      StackMap stack: new 2 new 2
         3: iconst_0
      StackMap locals: org.apache.commons.compress.archivers.zip.AbstractUnicodeExtraField
      StackMap stack: new 2 new 2 int
         4: invokespecial org.apache.commons.compress.archivers.zip.ZipShort.<init>:(I)V
            areturn
        end local 0 // org.apache.commons.compress.archivers.zip.AbstractUnicodeExtraField this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    5     0  this  Lorg/apache/commons/compress/archivers/zip/AbstractUnicodeExtraField;

  public byte[] getLocalFileDataData();
    descriptor: ()[B
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.apache.commons.compress.archivers.zip.AbstractUnicodeExtraField this
         0: .line 153
            aload 0 /* this */
            invokevirtual org.apache.commons.compress.archivers.zip.AbstractUnicodeExtraField.getCentralDirectoryData:()[B
            areturn
        end local 0 // org.apache.commons.compress.archivers.zip.AbstractUnicodeExtraField this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/apache/commons/compress/archivers/zip/AbstractUnicodeExtraField;

  public org.apache.commons.compress.archivers.zip.ZipShort getLocalFileDataLength();
    descriptor: ()Lorg/apache/commons/compress/archivers/zip/ZipShort;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.apache.commons.compress.archivers.zip.AbstractUnicodeExtraField this
         0: .line 158
            aload 0 /* this */
            invokevirtual org.apache.commons.compress.archivers.zip.AbstractUnicodeExtraField.getCentralDirectoryLength:()Lorg/apache/commons/compress/archivers/zip/ZipShort;
            areturn
        end local 0 // org.apache.commons.compress.archivers.zip.AbstractUnicodeExtraField this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/apache/commons/compress/archivers/zip/AbstractUnicodeExtraField;

  public void parseFromLocalFileData(byte[], int, int);
    descriptor: ([BII)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=6, locals=5, args_size=4
        start local 0 // org.apache.commons.compress.archivers.zip.AbstractUnicodeExtraField this
        start local 1 // byte[] buffer
        start local 2 // int offset
        start local 3 // int length
         0: .line 165
            iload 3 /* length */
            iconst_5
            if_icmpge 2
         1: .line 166
            new java.util.zip.ZipException
            dup
            ldc "UniCode path extra data must have at least 5 bytes."
            invokespecial java.util.zip.ZipException.<init>:(Ljava/lang/String;)V
            athrow
         2: .line 169
      StackMap locals:
      StackMap stack:
            aload 1 /* buffer */
            iload 2 /* offset */
            baload
            istore 4 /* version */
        start local 4 // int version
         3: .line 171
            iload 4 /* version */
            iconst_1
            if_icmpeq 7
         4: .line 172
            new java.util.zip.ZipException
            dup
            new java.lang.StringBuilder
            dup
            ldc "Unsupported version ["
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            iload 4 /* version */
            invokevirtual java.lang.StringBuilder.append:(I)Ljava/lang/StringBuilder;
         5: .line 173
            ldc "] for UniCode path extra data."
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
         6: .line 172
            invokespecial java.util.zip.ZipException.<init>:(Ljava/lang/String;)V
            athrow
         7: .line 176
      StackMap locals: int
      StackMap stack:
            aload 0 /* this */
            aload 1 /* buffer */
            iload 2 /* offset */
            iconst_1
            iadd
            invokestatic org.apache.commons.compress.archivers.zip.ZipLong.getValue:([BI)J
            putfield org.apache.commons.compress.archivers.zip.AbstractUnicodeExtraField.nameCRC32:J
         8: .line 177
            aload 0 /* this */
            iload 3 /* length */
            iconst_5
            isub
            newarray 8
            putfield org.apache.commons.compress.archivers.zip.AbstractUnicodeExtraField.unicodeName:[B
         9: .line 178
            aload 1 /* buffer */
            iload 2 /* offset */
            iconst_5
            iadd
            aload 0 /* this */
            getfield org.apache.commons.compress.archivers.zip.AbstractUnicodeExtraField.unicodeName:[B
            iconst_0
            iload 3 /* length */
            iconst_5
            isub
            invokestatic java.lang.System.arraycopy:(Ljava/lang/Object;ILjava/lang/Object;II)V
        10: .line 179
            aload 0 /* this */
            aconst_null
            putfield org.apache.commons.compress.archivers.zip.AbstractUnicodeExtraField.data:[B
        11: .line 180
            return
        end local 4 // int version
        end local 3 // int length
        end local 2 // int offset
        end local 1 // byte[] buffer
        end local 0 // org.apache.commons.compress.archivers.zip.AbstractUnicodeExtraField this
      LocalVariableTable:
        Start  End  Slot     Name  Signature
            0   12     0     this  Lorg/apache/commons/compress/archivers/zip/AbstractUnicodeExtraField;
            0   12     1   buffer  [B
            0   12     2   offset  I
            0   12     3   length  I
            3   12     4  version  I
    Exceptions:
      throws java.util.zip.ZipException
    MethodParameters:
        Name  Flags
      buffer  final
      offset  final
      length  final

  public void parseFromCentralDirectoryData(byte[], int, int);
    descriptor: ([BII)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=4, args_size=4
        start local 0 // org.apache.commons.compress.archivers.zip.AbstractUnicodeExtraField this
        start local 1 // byte[] buffer
        start local 2 // int offset
        start local 3 // int length
         0: .line 190
            aload 0 /* this */
            aload 1 /* buffer */
            iload 2 /* offset */
            iload 3 /* length */
            invokevirtual org.apache.commons.compress.archivers.zip.AbstractUnicodeExtraField.parseFromLocalFileData:([BII)V
         1: .line 191
            return
        end local 3 // int length
        end local 2 // int offset
        end local 1 // byte[] buffer
        end local 0 // org.apache.commons.compress.archivers.zip.AbstractUnicodeExtraField this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    2     0    this  Lorg/apache/commons/compress/archivers/zip/AbstractUnicodeExtraField;
            0    2     1  buffer  [B
            0    2     2  offset  I
            0    2     3  length  I
    Exceptions:
      throws java.util.zip.ZipException
    MethodParameters:
        Name  Flags
      buffer  final
      offset  final
      length  final
}
SourceFile: "AbstractUnicodeExtraField.java"