public abstract class org.apache.poi.poifs.crypt.ChunkedCipherOutputStream extends java.io.FilterOutputStream
  minor version: 0
  major version: 59
  flags: flags: (0x0421) ACC_PUBLIC, ACC_SUPER, ACC_ABSTRACT
  this_class: org.apache.poi.poifs.crypt.ChunkedCipherOutputStream
  super_class: java.io.FilterOutputStream
{
  private static final org.apache.poi.util.POILogger LOG;
    descriptor: Lorg/apache/poi/util/POILogger;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL

  private static final int MAX_RECORD_LENGTH;
    descriptor: I
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
    ConstantValue: 100000

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

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

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

  private final byte[] chunk;
    descriptor: [B
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private final java.util.BitSet plainByteFlags;
    descriptor: Ljava/util/BitSet;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

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

  private final org.apache.poi.poifs.filesystem.DirectoryNode dir;
    descriptor: Lorg/apache/poi/poifs/filesystem/DirectoryNode;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

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

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

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

  private javax.crypto.Cipher cipher;
    descriptor: Ljavax/crypto/Cipher;
    flags: (0x0002) ACC_PRIVATE

  private boolean isClosed;
    descriptor: Z
    flags: (0x0002) ACC_PRIVATE

  static void <clinit>();
    descriptor: ()V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=1, locals=0, args_size=0
         0: .line 49
            ldc Lorg/apache/poi/poifs/crypt/ChunkedCipherOutputStream;
            invokestatic org.apache.poi.util.POILogFactory.getLogger:(Ljava/lang/Class;)Lorg/apache/poi/util/POILogger;
            putstatic org.apache.poi.poifs.crypt.ChunkedCipherOutputStream.LOG:Lorg/apache/poi/util/POILogger;
         1: .line 53
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  public void <init>(org.apache.poi.poifs.filesystem.DirectoryNode, int);
    descriptor: (Lorg/apache/poi/poifs/filesystem/DirectoryNode;I)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=4, args_size=3
        start local 0 // org.apache.poi.poifs.crypt.ChunkedCipherOutputStream this
        start local 1 // org.apache.poi.poifs.filesystem.DirectoryNode dir
        start local 2 // int chunkSize
         0: .line 73
            aload 0 /* this */
            aconst_null
            invokespecial java.io.FilterOutputStream.<init>:(Ljava/io/OutputStream;)V
         1: .line 74
            aload 0 /* this */
            iload 2 /* chunkSize */
            putfield org.apache.poi.poifs.crypt.ChunkedCipherOutputStream.chunkSize:I
         2: .line 75
            iload 2 /* chunkSize */
            iconst_m1
            if_icmpne 3
            sipush 4096
            goto 4
      StackMap locals: org.apache.poi.poifs.crypt.ChunkedCipherOutputStream org.apache.poi.poifs.filesystem.DirectoryNode int
      StackMap stack:
         3: iload 2 /* chunkSize */
      StackMap locals:
      StackMap stack: int
         4: istore 3 /* cs */
        start local 3 // int cs
         5: .line 76
            aload 0 /* this */
            iload 3 /* cs */
            i2l
            ldc 100000
            invokestatic org.apache.poi.util.IOUtils.safelyAllocate:(JI)[B
            putfield org.apache.poi.poifs.crypt.ChunkedCipherOutputStream.chunk:[B
         6: .line 77
            aload 0 /* this */
            new java.util.BitSet
            dup
            iload 3 /* cs */
            invokespecial java.util.BitSet.<init>:(I)V
            putfield org.apache.poi.poifs.crypt.ChunkedCipherOutputStream.plainByteFlags:Ljava/util/BitSet;
         7: .line 78
            aload 0 /* this */
            iload 3 /* cs */
            iconst_1
            isub
            invokestatic java.lang.Integer.bitCount:(I)I
            putfield org.apache.poi.poifs.crypt.ChunkedCipherOutputStream.chunkBits:I
         8: .line 79
            aload 0 /* this */
            ldc "encrypted_package"
            ldc "crypt"
            invokestatic org.apache.poi.util.TempFile.createTempFile:(Ljava/lang/String;Ljava/lang/String;)Ljava/io/File;
            putfield org.apache.poi.poifs.crypt.ChunkedCipherOutputStream.fileOut:Ljava/io/File;
         9: .line 80
            aload 0 /* this */
            getfield org.apache.poi.poifs.crypt.ChunkedCipherOutputStream.fileOut:Ljava/io/File;
            invokevirtual java.io.File.deleteOnExit:()V
        10: .line 81
            aload 0 /* this */
            new java.io.FileOutputStream
            dup
            aload 0 /* this */
            getfield org.apache.poi.poifs.crypt.ChunkedCipherOutputStream.fileOut:Ljava/io/File;
            invokespecial java.io.FileOutputStream.<init>:(Ljava/io/File;)V
            putfield org.apache.poi.poifs.crypt.ChunkedCipherOutputStream.out:Ljava/io/OutputStream;
        11: .line 82
            aload 0 /* this */
            aload 1 /* dir */
            putfield org.apache.poi.poifs.crypt.ChunkedCipherOutputStream.dir:Lorg/apache/poi/poifs/filesystem/DirectoryNode;
        12: .line 83
            aload 0 /* this */
            aload 0 /* this */
            aconst_null
            iconst_0
            iconst_0
            invokevirtual org.apache.poi.poifs.crypt.ChunkedCipherOutputStream.initCipherForBlock:(Ljavax/crypto/Cipher;IZ)Ljavax/crypto/Cipher;
            putfield org.apache.poi.poifs.crypt.ChunkedCipherOutputStream.cipher:Ljavax/crypto/Cipher;
        13: .line 84
            return
        end local 3 // int cs
        end local 2 // int chunkSize
        end local 1 // org.apache.poi.poifs.filesystem.DirectoryNode dir
        end local 0 // org.apache.poi.poifs.crypt.ChunkedCipherOutputStream this
      LocalVariableTable:
        Start  End  Slot       Name  Signature
            0   14     0       this  Lorg/apache/poi/poifs/crypt/ChunkedCipherOutputStream;
            0   14     1        dir  Lorg/apache/poi/poifs/filesystem/DirectoryNode;
            0   14     2  chunkSize  I
            5   14     3         cs  I
    Exceptions:
      throws java.io.IOException, java.security.GeneralSecurityException
    MethodParameters:
           Name  Flags
      dir        
      chunkSize  

  public void <init>(java.io.OutputStream, int);
    descriptor: (Ljava/io/OutputStream;I)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=4, args_size=3
        start local 0 // org.apache.poi.poifs.crypt.ChunkedCipherOutputStream this
        start local 1 // java.io.OutputStream stream
        start local 2 // int chunkSize
         0: .line 87
            aload 0 /* this */
            aload 1 /* stream */
            invokespecial java.io.FilterOutputStream.<init>:(Ljava/io/OutputStream;)V
         1: .line 88
            aload 0 /* this */
            iload 2 /* chunkSize */
            putfield org.apache.poi.poifs.crypt.ChunkedCipherOutputStream.chunkSize:I
         2: .line 89
            iload 2 /* chunkSize */
            iconst_m1
            if_icmpne 3
            sipush 4096
            goto 4
      StackMap locals: org.apache.poi.poifs.crypt.ChunkedCipherOutputStream java.io.OutputStream int
      StackMap stack:
         3: iload 2 /* chunkSize */
      StackMap locals:
      StackMap stack: int
         4: istore 3 /* cs */
        start local 3 // int cs
         5: .line 90
            aload 0 /* this */
            iload 3 /* cs */
            i2l
            ldc 100000
            invokestatic org.apache.poi.util.IOUtils.safelyAllocate:(JI)[B
            putfield org.apache.poi.poifs.crypt.ChunkedCipherOutputStream.chunk:[B
         6: .line 91
            aload 0 /* this */
            new java.util.BitSet
            dup
            iload 3 /* cs */
            invokespecial java.util.BitSet.<init>:(I)V
            putfield org.apache.poi.poifs.crypt.ChunkedCipherOutputStream.plainByteFlags:Ljava/util/BitSet;
         7: .line 92
            aload 0 /* this */
            iload 3 /* cs */
            iconst_1
            isub
            invokestatic java.lang.Integer.bitCount:(I)I
            putfield org.apache.poi.poifs.crypt.ChunkedCipherOutputStream.chunkBits:I
         8: .line 93
            aload 0 /* this */
            aconst_null
            putfield org.apache.poi.poifs.crypt.ChunkedCipherOutputStream.fileOut:Ljava/io/File;
         9: .line 94
            aload 0 /* this */
            aconst_null
            putfield org.apache.poi.poifs.crypt.ChunkedCipherOutputStream.dir:Lorg/apache/poi/poifs/filesystem/DirectoryNode;
        10: .line 95
            aload 0 /* this */
            aload 0 /* this */
            aconst_null
            iconst_0
            iconst_0
            invokevirtual org.apache.poi.poifs.crypt.ChunkedCipherOutputStream.initCipherForBlock:(Ljavax/crypto/Cipher;IZ)Ljavax/crypto/Cipher;
            putfield org.apache.poi.poifs.crypt.ChunkedCipherOutputStream.cipher:Ljavax/crypto/Cipher;
        11: .line 96
            return
        end local 3 // int cs
        end local 2 // int chunkSize
        end local 1 // java.io.OutputStream stream
        end local 0 // org.apache.poi.poifs.crypt.ChunkedCipherOutputStream this
      LocalVariableTable:
        Start  End  Slot       Name  Signature
            0   12     0       this  Lorg/apache/poi/poifs/crypt/ChunkedCipherOutputStream;
            0   12     1     stream  Ljava/io/OutputStream;
            0   12     2  chunkSize  I
            5   12     3         cs  I
    Exceptions:
      throws java.io.IOException, java.security.GeneralSecurityException
    MethodParameters:
           Name  Flags
      stream     
      chunkSize  

  public final javax.crypto.Cipher initCipherForBlock(int, boolean);
    descriptor: (IZ)Ljavax/crypto/Cipher;
    flags: (0x0011) ACC_PUBLIC, ACC_FINAL
    Code:
      stack=4, locals=3, args_size=3
        start local 0 // org.apache.poi.poifs.crypt.ChunkedCipherOutputStream this
        start local 1 // int block
        start local 2 // boolean lastChunk
         0: .line 99
            aload 0 /* this */
            aload 0 /* this */
            getfield org.apache.poi.poifs.crypt.ChunkedCipherOutputStream.cipher:Ljavax/crypto/Cipher;
            iload 1 /* block */
            iload 2 /* lastChunk */
            invokevirtual org.apache.poi.poifs.crypt.ChunkedCipherOutputStream.initCipherForBlock:(Ljavax/crypto/Cipher;IZ)Ljavax/crypto/Cipher;
            areturn
        end local 2 // boolean lastChunk
        end local 1 // int block
        end local 0 // org.apache.poi.poifs.crypt.ChunkedCipherOutputStream this
      LocalVariableTable:
        Start  End  Slot       Name  Signature
            0    1     0       this  Lorg/apache/poi/poifs/crypt/ChunkedCipherOutputStream;
            0    1     1      block  I
            0    1     2  lastChunk  Z
    Exceptions:
      throws java.io.IOException, java.security.GeneralSecurityException
    MethodParameters:
           Name  Flags
      block      
      lastChunk  

  protected javax.crypto.Cipher initCipherForBlockNoFlush(javax.crypto.Cipher, int, boolean);
    descriptor: (Ljavax/crypto/Cipher;IZ)Ljavax/crypto/Cipher;
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=4, locals=4, args_size=4
        start local 0 // org.apache.poi.poifs.crypt.ChunkedCipherOutputStream this
        start local 1 // javax.crypto.Cipher existing
        start local 2 // int block
        start local 3 // boolean lastChunk
         0: .line 106
            aload 0 /* this */
            aload 0 /* this */
            getfield org.apache.poi.poifs.crypt.ChunkedCipherOutputStream.cipher:Ljavax/crypto/Cipher;
            iload 2 /* block */
            iload 3 /* lastChunk */
            invokevirtual org.apache.poi.poifs.crypt.ChunkedCipherOutputStream.initCipherForBlock:(Ljavax/crypto/Cipher;IZ)Ljavax/crypto/Cipher;
            areturn
        end local 3 // boolean lastChunk
        end local 2 // int block
        end local 1 // javax.crypto.Cipher existing
        end local 0 // org.apache.poi.poifs.crypt.ChunkedCipherOutputStream this
      LocalVariableTable:
        Start  End  Slot       Name  Signature
            0    1     0       this  Lorg/apache/poi/poifs/crypt/ChunkedCipherOutputStream;
            0    1     1   existing  Ljavax/crypto/Cipher;
            0    1     2      block  I
            0    1     3  lastChunk  Z
    Exceptions:
      throws java.io.IOException, java.security.GeneralSecurityException
    RuntimeVisibleAnnotations: 
      org.apache.poi.util.Internal()
    RuntimeVisibleTypeAnnotations: 
      METHOD_RETURN
        org.apache.poi.util.Internal()
    MethodParameters:
           Name  Flags
      existing   
      block      
      lastChunk  

  protected abstract javax.crypto.Cipher initCipherForBlock(javax.crypto.Cipher, int, boolean);
    descriptor: (Ljavax/crypto/Cipher;IZ)Ljavax/crypto/Cipher;
    flags: (0x0404) ACC_PROTECTED, ACC_ABSTRACT
    Exceptions:
      throws java.io.IOException, java.security.GeneralSecurityException
    MethodParameters:
           Name  Flags
      existing   
      block      
      lastChunk  

  protected abstract void calculateChecksum(java.io.File, int);
    descriptor: (Ljava/io/File;I)V
    flags: (0x0404) ACC_PROTECTED, ACC_ABSTRACT
    Exceptions:
      throws java.security.GeneralSecurityException, java.io.IOException
    MethodParameters:
               Name  Flags
      fileOut        
      oleStreamSize  

  protected abstract void createEncryptionInfoEntry(org.apache.poi.poifs.filesystem.DirectoryNode, java.io.File);
    descriptor: (Lorg/apache/poi/poifs/filesystem/DirectoryNode;Ljava/io/File;)V
    flags: (0x0404) ACC_PROTECTED, ACC_ABSTRACT
    Exceptions:
      throws java.io.IOException, java.security.GeneralSecurityException
    MethodParameters:
         Name  Flags
      dir      
      tmpFile  

  public void write(int);
    descriptor: (I)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=2, args_size=2
        start local 0 // org.apache.poi.poifs.crypt.ChunkedCipherOutputStream this
        start local 1 // int b
         0: .line 120
            aload 0 /* this */
            iconst_1
            newarray 8
            dup
            iconst_0
            iload 1 /* b */
            i2b
            bastore
            invokevirtual org.apache.poi.poifs.crypt.ChunkedCipherOutputStream.write:([B)V
         1: .line 121
            return
        end local 1 // int b
        end local 0 // org.apache.poi.poifs.crypt.ChunkedCipherOutputStream this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lorg/apache/poi/poifs/crypt/ChunkedCipherOutputStream;
            0    2     1     b  I
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      b     

  public void write(byte[]);
    descriptor: ([B)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=2, args_size=2
        start local 0 // org.apache.poi.poifs.crypt.ChunkedCipherOutputStream this
        start local 1 // byte[] b
         0: .line 125
            aload 0 /* this */
            aload 1 /* b */
            iconst_0
            aload 1 /* b */
            arraylength
            invokevirtual org.apache.poi.poifs.crypt.ChunkedCipherOutputStream.write:([BII)V
         1: .line 126
            return
        end local 1 // byte[] b
        end local 0 // org.apache.poi.poifs.crypt.ChunkedCipherOutputStream this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lorg/apache/poi/poifs/crypt/ChunkedCipherOutputStream;
            0    2     1     b  [B
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      b     

  public void write(byte[], int, int);
    descriptor: ([BII)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=4, args_size=4
        start local 0 // org.apache.poi.poifs.crypt.ChunkedCipherOutputStream this
        start local 1 // byte[] b
        start local 2 // int off
        start local 3 // int len
         0: .line 130
            aload 0 /* this */
            aload 1 /* b */
            iload 2 /* off */
            iload 3 /* len */
            iconst_0
            invokevirtual org.apache.poi.poifs.crypt.ChunkedCipherOutputStream.write:([BIIZ)V
         1: .line 131
            return
        end local 3 // int len
        end local 2 // int off
        end local 1 // byte[] b
        end local 0 // org.apache.poi.poifs.crypt.ChunkedCipherOutputStream this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lorg/apache/poi/poifs/crypt/ChunkedCipherOutputStream;
            0    2     1     b  [B
            0    2     2   off  I
            0    2     3   len  I
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      b     
      off   
      len   

  public void writePlain(byte[], int, int);
    descriptor: ([BII)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=4, args_size=4
        start local 0 // org.apache.poi.poifs.crypt.ChunkedCipherOutputStream this
        start local 1 // byte[] b
        start local 2 // int off
        start local 3 // int len
         0: .line 134
            aload 0 /* this */
            aload 1 /* b */
            iload 2 /* off */
            iload 3 /* len */
            iconst_1
            invokevirtual org.apache.poi.poifs.crypt.ChunkedCipherOutputStream.write:([BIIZ)V
         1: .line 135
            return
        end local 3 // int len
        end local 2 // int off
        end local 1 // byte[] b
        end local 0 // org.apache.poi.poifs.crypt.ChunkedCipherOutputStream this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lorg/apache/poi/poifs/crypt/ChunkedCipherOutputStream;
            0    2     1     b  [B
            0    2     2   off  I
            0    2     3   len  I
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      b     
      off   
      len   

  protected void write(byte[], int, int, boolean);
    descriptor: ([BIIZ)V
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=5, locals=8, args_size=5
        start local 0 // org.apache.poi.poifs.crypt.ChunkedCipherOutputStream this
        start local 1 // byte[] b
        start local 2 // int off
        start local 3 // int len
        start local 4 // boolean writePlain
         0: .line 138
            iload 3 /* len */
            ifne 2
         1: .line 139
            return
         2: .line 142
      StackMap locals:
      StackMap stack:
            iload 3 /* len */
            iflt 3
            aload 1 /* b */
            arraylength
            iload 2 /* off */
            iload 3 /* len */
            iadd
            if_icmpge 4
         3: .line 143
      StackMap locals:
      StackMap stack:
            new java.io.IOException
            dup
            ldc "not enough bytes in your input buffer"
            invokespecial java.io.IOException.<init>:(Ljava/lang/String;)V
            athrow
         4: .line 146
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            invokevirtual org.apache.poi.poifs.crypt.ChunkedCipherOutputStream.getChunkMask:()I
            istore 5 /* chunkMask */
        start local 5 // int chunkMask
         5: .line 147
            goto 19
         6: .line 148
      StackMap locals: int
      StackMap stack:
            aload 0 /* this */
            getfield org.apache.poi.poifs.crypt.ChunkedCipherOutputStream.pos:J
            iload 5 /* chunkMask */
            i2l
            land
            l2i
            istore 6 /* posInChunk */
        start local 6 // int posInChunk
         7: .line 149
            aload 0 /* this */
            getfield org.apache.poi.poifs.crypt.ChunkedCipherOutputStream.chunk:[B
            arraylength
            iload 6 /* posInChunk */
            isub
            iload 3 /* len */
            invokestatic java.lang.Math.min:(II)I
            istore 7 /* nextLen */
        start local 7 // int nextLen
         8: .line 150
            aload 1 /* b */
            iload 2 /* off */
            aload 0 /* this */
            getfield org.apache.poi.poifs.crypt.ChunkedCipherOutputStream.chunk:[B
            iload 6 /* posInChunk */
            iload 7 /* nextLen */
            invokestatic java.lang.System.arraycopy:(Ljava/lang/Object;ILjava/lang/Object;II)V
         9: .line 151
            iload 4 /* writePlain */
            ifeq 11
        10: .line 152
            aload 0 /* this */
            getfield org.apache.poi.poifs.crypt.ChunkedCipherOutputStream.plainByteFlags:Ljava/util/BitSet;
            iload 6 /* posInChunk */
            iload 6 /* posInChunk */
            iload 7 /* nextLen */
            iadd
            invokevirtual java.util.BitSet.set:(II)V
        11: .line 154
      StackMap locals: int int
      StackMap stack:
            aload 0 /* this */
            dup
            getfield org.apache.poi.poifs.crypt.ChunkedCipherOutputStream.pos:J
            iload 7 /* nextLen */
            i2l
            ladd
            putfield org.apache.poi.poifs.crypt.ChunkedCipherOutputStream.pos:J
        12: .line 155
            aload 0 /* this */
            dup
            getfield org.apache.poi.poifs.crypt.ChunkedCipherOutputStream.totalPos:J
            iload 7 /* nextLen */
            i2l
            ladd
            putfield org.apache.poi.poifs.crypt.ChunkedCipherOutputStream.totalPos:J
        13: .line 156
            iload 2 /* off */
            iload 7 /* nextLen */
            iadd
            istore 2 /* off */
        14: .line 157
            iload 3 /* len */
            iload 7 /* nextLen */
            isub
            istore 3 /* len */
        15: .line 158
            aload 0 /* this */
            getfield org.apache.poi.poifs.crypt.ChunkedCipherOutputStream.pos:J
            iload 5 /* chunkMask */
            i2l
            land
            lconst_0
            lcmp
            ifne 19
        16: .line 159
            aload 0 /* this */
            iload 3 /* len */
            ifle 17
            iconst_1
            goto 18
      StackMap locals:
      StackMap stack: org.apache.poi.poifs.crypt.ChunkedCipherOutputStream
        17: iconst_0
      StackMap locals: org.apache.poi.poifs.crypt.ChunkedCipherOutputStream byte[] int int int int int int
      StackMap stack: org.apache.poi.poifs.crypt.ChunkedCipherOutputStream int
        18: invokevirtual org.apache.poi.poifs.crypt.ChunkedCipherOutputStream.writeChunk:(Z)V
        end local 7 // int nextLen
        end local 6 // int posInChunk
        19: .line 147
      StackMap locals:
      StackMap stack:
            iload 3 /* len */
            ifgt 6
        20: .line 162
            return
        end local 5 // int chunkMask
        end local 4 // boolean writePlain
        end local 3 // int len
        end local 2 // int off
        end local 1 // byte[] b
        end local 0 // org.apache.poi.poifs.crypt.ChunkedCipherOutputStream this
      LocalVariableTable:
        Start  End  Slot        Name  Signature
            0   21     0        this  Lorg/apache/poi/poifs/crypt/ChunkedCipherOutputStream;
            0   21     1           b  [B
            0   21     2         off  I
            0   21     3         len  I
            0   21     4  writePlain  Z
            5   21     5   chunkMask  I
            7   19     6  posInChunk  I
            8   19     7     nextLen  I
    Exceptions:
      throws java.io.IOException
    MethodParameters:
            Name  Flags
      b           
      off         
      len         
      writePlain  

  protected int getChunkMask();
    descriptor: ()I
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // org.apache.poi.poifs.crypt.ChunkedCipherOutputStream this
         0: .line 165
            aload 0 /* this */
            getfield org.apache.poi.poifs.crypt.ChunkedCipherOutputStream.chunk:[B
            arraylength
            iconst_1
            isub
            ireturn
        end local 0 // org.apache.poi.poifs.crypt.ChunkedCipherOutputStream this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/apache/poi/poifs/crypt/ChunkedCipherOutputStream;

  protected void writeChunk(boolean);
    descriptor: (Z)V
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=5, locals=9, args_size=2
        start local 0 // org.apache.poi.poifs.crypt.ChunkedCipherOutputStream this
        start local 1 // boolean continued
         0: .line 169
            aload 0 /* this */
            getfield org.apache.poi.poifs.crypt.ChunkedCipherOutputStream.pos:J
            lconst_0
            lcmp
            ifeq 1
            aload 0 /* this */
            getfield org.apache.poi.poifs.crypt.ChunkedCipherOutputStream.totalPos:J
            aload 0 /* this */
            getfield org.apache.poi.poifs.crypt.ChunkedCipherOutputStream.written:J
            lcmp
            ifne 2
         1: .line 170
      StackMap locals:
      StackMap stack:
            return
         2: .line 173
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.apache.poi.poifs.crypt.ChunkedCipherOutputStream.pos:J
            aload 0 /* this */
            invokevirtual org.apache.poi.poifs.crypt.ChunkedCipherOutputStream.getChunkMask:()I
            i2l
            land
            l2i
            istore 2 /* posInChunk */
        start local 2 // int posInChunk
         3: .line 177
            aload 0 /* this */
            getfield org.apache.poi.poifs.crypt.ChunkedCipherOutputStream.pos:J
            aload 0 /* this */
            getfield org.apache.poi.poifs.crypt.ChunkedCipherOutputStream.chunkBits:I
            lshr
            l2i
            istore 3 /* index */
        start local 3 // int index
         4: .line 179
            iload 2 /* posInChunk */
            ifne 9
         5: .line 180
            iinc 3 /* index */ -1
         6: .line 181
            aload 0 /* this */
            getfield org.apache.poi.poifs.crypt.ChunkedCipherOutputStream.chunk:[B
            arraylength
            istore 2 /* posInChunk */
         7: .line 182
            iconst_0
            istore 4 /* lastChunk */
        start local 4 // boolean lastChunk
         8: .line 183
            goto 10
        end local 4 // boolean lastChunk
         9: .line 185
      StackMap locals: int int
      StackMap stack:
            iconst_1
            istore 4 /* lastChunk */
        start local 4 // boolean lastChunk
        10: .line 190
      StackMap locals: int
      StackMap stack:
            iconst_1
            istore 6 /* doFinal */
        start local 6 // boolean doFinal
        11: .line 191
            aload 0 /* this */
            getfield org.apache.poi.poifs.crypt.ChunkedCipherOutputStream.pos:J
            lstore 7 /* oldPos */
        start local 7 // long oldPos
        12: .line 194
            aload 0 /* this */
            lconst_0
            putfield org.apache.poi.poifs.crypt.ChunkedCipherOutputStream.pos:J
        13: .line 195
            aload 0 /* this */
            getfield org.apache.poi.poifs.crypt.ChunkedCipherOutputStream.chunkSize:I
            iconst_m1
            if_icmpne 17
        14: .line 196
            iload 1 /* continued */
            ifeq 19
        15: .line 197
            iconst_0
            istore 6 /* doFinal */
        16: .line 199
            goto 19
        17: .line 200
      StackMap locals: org.apache.poi.poifs.crypt.ChunkedCipherOutputStream int int int int top int long
      StackMap stack:
            aload 0 /* this */
            aload 0 /* this */
            aload 0 /* this */
            getfield org.apache.poi.poifs.crypt.ChunkedCipherOutputStream.cipher:Ljavax/crypto/Cipher;
            iload 3 /* index */
            iload 4 /* lastChunk */
            invokevirtual org.apache.poi.poifs.crypt.ChunkedCipherOutputStream.initCipherForBlock:(Ljavax/crypto/Cipher;IZ)Ljavax/crypto/Cipher;
            putfield org.apache.poi.poifs.crypt.ChunkedCipherOutputStream.cipher:Ljavax/crypto/Cipher;
        18: .line 202
            aload 0 /* this */
            lload 7 /* oldPos */
            putfield org.apache.poi.poifs.crypt.ChunkedCipherOutputStream.pos:J
        19: .line 204
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            iload 2 /* posInChunk */
            iload 6 /* doFinal */
            invokevirtual org.apache.poi.poifs.crypt.ChunkedCipherOutputStream.invokeCipher:(IZ)I
            istore 5 /* ciLen */
        end local 7 // long oldPos
        end local 6 // boolean doFinal
        start local 5 // int ciLen
        20: .line 205
            goto 23
        end local 5 // int ciLen
      StackMap locals: org.apache.poi.poifs.crypt.ChunkedCipherOutputStream int int int int
      StackMap stack: java.security.GeneralSecurityException
        21: astore 6 /* e */
        start local 6 // java.security.GeneralSecurityException e
        22: .line 206
            new java.io.IOException
            dup
            ldc "can't re-/initialize cipher"
            aload 6 /* e */
            invokespecial java.io.IOException.<init>:(Ljava/lang/String;Ljava/lang/Throwable;)V
            athrow
        end local 6 // java.security.GeneralSecurityException e
        start local 5 // int ciLen
        23: .line 209
      StackMap locals: int
      StackMap stack:
            aload 0 /* this */
            getfield org.apache.poi.poifs.crypt.ChunkedCipherOutputStream.out:Ljava/io/OutputStream;
            aload 0 /* this */
            getfield org.apache.poi.poifs.crypt.ChunkedCipherOutputStream.chunk:[B
            iconst_0
            iload 5 /* ciLen */
            invokevirtual java.io.OutputStream.write:([BII)V
        24: .line 210
            aload 0 /* this */
            getfield org.apache.poi.poifs.crypt.ChunkedCipherOutputStream.plainByteFlags:Ljava/util/BitSet;
            invokevirtual java.util.BitSet.clear:()V
        25: .line 211
            aload 0 /* this */
            dup
            getfield org.apache.poi.poifs.crypt.ChunkedCipherOutputStream.written:J
            iload 5 /* ciLen */
            i2l
            ladd
            putfield org.apache.poi.poifs.crypt.ChunkedCipherOutputStream.written:J
        26: .line 212
            return
        end local 5 // int ciLen
        end local 4 // boolean lastChunk
        end local 3 // int index
        end local 2 // int posInChunk
        end local 1 // boolean continued
        end local 0 // org.apache.poi.poifs.crypt.ChunkedCipherOutputStream this
      LocalVariableTable:
        Start  End  Slot        Name  Signature
            0   27     0        this  Lorg/apache/poi/poifs/crypt/ChunkedCipherOutputStream;
            0   27     1   continued  Z
            3   27     2  posInChunk  I
            4   27     3       index  I
            8    9     4   lastChunk  Z
           10   27     4   lastChunk  Z
           20   21     5       ciLen  I
           23   27     5       ciLen  I
           11   20     6     doFinal  Z
           12   20     7      oldPos  J
           22   23     6           e  Ljava/security/GeneralSecurityException;
      Exception table:
        from    to  target  type
          10    20      21  Class java.security.GeneralSecurityException
    Exceptions:
      throws java.io.IOException
    MethodParameters:
           Name  Flags
      continued  

  protected int invokeCipher(int, boolean);
    descriptor: (IZ)I
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=5, locals=7, args_size=3
        start local 0 // org.apache.poi.poifs.crypt.ChunkedCipherOutputStream this
        start local 1 // int posInChunk
        start local 2 // boolean doFinal
         0: .line 223
            aload 0 /* this */
            getfield org.apache.poi.poifs.crypt.ChunkedCipherOutputStream.plainByteFlags:Ljava/util/BitSet;
            invokevirtual java.util.BitSet.isEmpty:()Z
            ifeq 1
            aconst_null
            goto 2
      StackMap locals:
      StackMap stack:
         1: aload 0 /* this */
            getfield org.apache.poi.poifs.crypt.ChunkedCipherOutputStream.chunk:[B
            invokevirtual byte[].clone:()Ljava/lang/Object;
            checkcast byte[]
      StackMap locals:
      StackMap stack: byte[]
         2: astore 3 /* plain */
        start local 3 // byte[] plain
         3: .line 225
            iload 2 /* doFinal */
            ifeq 5
         4: .line 226
            aload 0 /* this */
            getfield org.apache.poi.poifs.crypt.ChunkedCipherOutputStream.cipher:Ljavax/crypto/Cipher;
            aload 0 /* this */
            getfield org.apache.poi.poifs.crypt.ChunkedCipherOutputStream.chunk:[B
            iconst_0
            iload 1 /* posInChunk */
            aload 0 /* this */
            getfield org.apache.poi.poifs.crypt.ChunkedCipherOutputStream.chunk:[B
            invokevirtual javax.crypto.Cipher.doFinal:([BII[B)I
            goto 6
         5: .line 227
      StackMap locals: byte[]
      StackMap stack:
            aload 0 /* this */
            getfield org.apache.poi.poifs.crypt.ChunkedCipherOutputStream.cipher:Ljavax/crypto/Cipher;
            aload 0 /* this */
            getfield org.apache.poi.poifs.crypt.ChunkedCipherOutputStream.chunk:[B
            iconst_0
            iload 1 /* posInChunk */
            aload 0 /* this */
            getfield org.apache.poi.poifs.crypt.ChunkedCipherOutputStream.chunk:[B
            invokevirtual javax.crypto.Cipher.update:([BII[B)I
         6: .line 225
      StackMap locals:
      StackMap stack: int
            istore 4 /* ciLen */
        start local 4 // int ciLen
         7: .line 229
            iload 2 /* doFinal */
            ifeq 16
            ldc "IBMJCE"
            aload 0 /* this */
            getfield org.apache.poi.poifs.crypt.ChunkedCipherOutputStream.cipher:Ljavax/crypto/Cipher;
            invokevirtual javax.crypto.Cipher.getProvider:()Ljava/security/Provider;
            invokevirtual java.security.Provider.getName:()Ljava/lang/String;
            invokevirtual java.lang.String.equals:(Ljava/lang/Object;)Z
            ifeq 16
            ldc "RC4"
            aload 0 /* this */
            getfield org.apache.poi.poifs.crypt.ChunkedCipherOutputStream.cipher:Ljavax/crypto/Cipher;
            invokevirtual javax.crypto.Cipher.getAlgorithm:()Ljava/lang/String;
            invokevirtual java.lang.String.equals:(Ljava/lang/Object;)Z
            ifeq 16
         8: .line 232
            aload 0 /* this */
            getfield org.apache.poi.poifs.crypt.ChunkedCipherOutputStream.pos:J
            aload 0 /* this */
            getfield org.apache.poi.poifs.crypt.ChunkedCipherOutputStream.chunkBits:I
            lshr
            l2i
            istore 5 /* index */
        start local 5 // int index
         9: .line 234
            iload 1 /* posInChunk */
            ifne 14
        10: .line 235
            iinc 5 /* index */ -1
        11: .line 236
            aload 0 /* this */
            getfield org.apache.poi.poifs.crypt.ChunkedCipherOutputStream.chunk:[B
            arraylength
            istore 1 /* posInChunk */
        12: .line 237
            iconst_0
            istore 6 /* lastChunk */
        start local 6 // boolean lastChunk
        13: .line 238
            goto 15
        end local 6 // boolean lastChunk
        14: .line 240
      StackMap locals: int int
      StackMap stack:
            iconst_1
            istore 6 /* lastChunk */
        start local 6 // boolean lastChunk
        15: .line 243
      StackMap locals: int
      StackMap stack:
            aload 0 /* this */
            aload 0 /* this */
            aload 0 /* this */
            getfield org.apache.poi.poifs.crypt.ChunkedCipherOutputStream.cipher:Ljavax/crypto/Cipher;
            iload 5 /* index */
            iload 6 /* lastChunk */
            invokevirtual org.apache.poi.poifs.crypt.ChunkedCipherOutputStream.initCipherForBlockNoFlush:(Ljavax/crypto/Cipher;IZ)Ljavax/crypto/Cipher;
            putfield org.apache.poi.poifs.crypt.ChunkedCipherOutputStream.cipher:Ljavax/crypto/Cipher;
        end local 6 // boolean lastChunk
        end local 5 // int index
        16: .line 246
      StackMap locals:
      StackMap stack:
            aload 3 /* plain */
            ifnull 22
        17: .line 247
            aload 0 /* this */
            getfield org.apache.poi.poifs.crypt.ChunkedCipherOutputStream.plainByteFlags:Ljava/util/BitSet;
            iconst_0
            invokevirtual java.util.BitSet.nextSetBit:(I)I
            istore 5 /* i */
        start local 5 // int i
        18: .line 248
            goto 21
        19: .line 249
      StackMap locals: int
      StackMap stack:
            aload 0 /* this */
            getfield org.apache.poi.poifs.crypt.ChunkedCipherOutputStream.chunk:[B
            iload 5 /* i */
            aload 3 /* plain */
            iload 5 /* i */
            baload
            bastore
        20: .line 250
            aload 0 /* this */
            getfield org.apache.poi.poifs.crypt.ChunkedCipherOutputStream.plainByteFlags:Ljava/util/BitSet;
            iload 5 /* i */
            iconst_1
            iadd
            invokevirtual java.util.BitSet.nextSetBit:(I)I
            istore 5 /* i */
        21: .line 248
      StackMap locals:
      StackMap stack:
            iload 5 /* i */
            iflt 22
            iload 5 /* i */
            iload 1 /* posInChunk */
            if_icmplt 19
        end local 5 // int i
        22: .line 254
      StackMap locals:
      StackMap stack:
            iload 4 /* ciLen */
            ireturn
        end local 4 // int ciLen
        end local 3 // byte[] plain
        end local 2 // boolean doFinal
        end local 1 // int posInChunk
        end local 0 // org.apache.poi.poifs.crypt.ChunkedCipherOutputStream this
      LocalVariableTable:
        Start  End  Slot        Name  Signature
            0   23     0        this  Lorg/apache/poi/poifs/crypt/ChunkedCipherOutputStream;
            0   23     1  posInChunk  I
            0   23     2     doFinal  Z
            3   23     3       plain  [B
            7   23     4       ciLen  I
            9   16     5       index  I
           13   14     6   lastChunk  Z
           15   16     6   lastChunk  Z
           18   22     5           i  I
    Exceptions:
      throws java.security.GeneralSecurityException, java.io.IOException
    MethodParameters:
            Name  Flags
      posInChunk  
      doFinal     

  public void close();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=6, locals=2, args_size=1
        start local 0 // org.apache.poi.poifs.crypt.ChunkedCipherOutputStream this
         0: .line 259
            aload 0 /* this */
            getfield org.apache.poi.poifs.crypt.ChunkedCipherOutputStream.isClosed:Z
            ifeq 3
         1: .line 260
            getstatic org.apache.poi.poifs.crypt.ChunkedCipherOutputStream.LOG:Lorg/apache/poi/util/POILogger;
            iconst_1
            iconst_1
            anewarray java.lang.Object
            dup
            iconst_0
            ldc "ChunkedCipherOutputStream was already closed - ignoring"
            aastore
            invokeinterface org.apache.poi.util.POILogger.log:(I[Ljava/lang/Object;)V
         2: .line 261
            return
         3: .line 264
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            iconst_1
            putfield org.apache.poi.poifs.crypt.ChunkedCipherOutputStream.isClosed:Z
         4: .line 267
            aload 0 /* this */
            iconst_0
            invokevirtual org.apache.poi.poifs.crypt.ChunkedCipherOutputStream.writeChunk:(Z)V
         5: .line 269
            aload 0 /* this */
            invokespecial java.io.FilterOutputStream.close:()V
         6: .line 271
            aload 0 /* this */
            getfield org.apache.poi.poifs.crypt.ChunkedCipherOutputStream.fileOut:Ljava/io/File;
            ifnull 14
         7: .line 272
            aload 0 /* this */
            getfield org.apache.poi.poifs.crypt.ChunkedCipherOutputStream.fileOut:Ljava/io/File;
            invokevirtual java.io.File.length:()J
            ldc 8
            ladd
            l2i
            istore 1 /* oleStreamSize */
        start local 1 // int oleStreamSize
         8: .line 273
            aload 0 /* this */
            aload 0 /* this */
            getfield org.apache.poi.poifs.crypt.ChunkedCipherOutputStream.fileOut:Ljava/io/File;
            aload 0 /* this */
            getfield org.apache.poi.poifs.crypt.ChunkedCipherOutputStream.pos:J
            l2i
            invokevirtual org.apache.poi.poifs.crypt.ChunkedCipherOutputStream.calculateChecksum:(Ljava/io/File;I)V
         9: .line 274
            aload 0 /* this */
            getfield org.apache.poi.poifs.crypt.ChunkedCipherOutputStream.dir:Lorg/apache/poi/poifs/filesystem/DirectoryNode;
            ldc "EncryptedPackage"
            iload 1 /* oleStreamSize */
            new org.apache.poi.poifs.crypt.ChunkedCipherOutputStream$EncryptedPackageWriter
            dup
            aload 0 /* this */
            invokespecial org.apache.poi.poifs.crypt.ChunkedCipherOutputStream$EncryptedPackageWriter.<init>:(Lorg/apache/poi/poifs/crypt/ChunkedCipherOutputStream;)V
            invokevirtual org.apache.poi.poifs.filesystem.DirectoryNode.createDocument:(Ljava/lang/String;ILorg/apache/poi/poifs/filesystem/POIFSWriterListener;)Lorg/apache/poi/poifs/filesystem/DocumentEntry;
            pop
        10: .line 275
            aload 0 /* this */
            aload 0 /* this */
            getfield org.apache.poi.poifs.crypt.ChunkedCipherOutputStream.dir:Lorg/apache/poi/poifs/filesystem/DirectoryNode;
            aload 0 /* this */
            getfield org.apache.poi.poifs.crypt.ChunkedCipherOutputStream.fileOut:Ljava/io/File;
            invokevirtual org.apache.poi.poifs.crypt.ChunkedCipherOutputStream.createEncryptionInfoEntry:(Lorg/apache/poi/poifs/filesystem/DirectoryNode;Ljava/io/File;)V
        end local 1 // int oleStreamSize
        11: .line 277
            goto 14
      StackMap locals:
      StackMap stack: java.security.GeneralSecurityException
        12: astore 1 /* e */
        start local 1 // java.security.GeneralSecurityException e
        13: .line 278
            new java.io.IOException
            dup
            aload 1 /* e */
            invokespecial java.io.IOException.<init>:(Ljava/lang/Throwable;)V
            athrow
        end local 1 // java.security.GeneralSecurityException e
        14: .line 280
      StackMap locals:
      StackMap stack:
            return
        end local 0 // org.apache.poi.poifs.crypt.ChunkedCipherOutputStream this
      LocalVariableTable:
        Start  End  Slot           Name  Signature
            0   15     0           this  Lorg/apache/poi/poifs/crypt/ChunkedCipherOutputStream;
            8   11     1  oleStreamSize  I
           13   14     1              e  Ljava/security/GeneralSecurityException;
      Exception table:
        from    to  target  type
           4    11      12  Class java.security.GeneralSecurityException
    Exceptions:
      throws java.io.IOException

  protected byte[] getChunk();
    descriptor: ()[B
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.apache.poi.poifs.crypt.ChunkedCipherOutputStream this
         0: .line 283
            aload 0 /* this */
            getfield org.apache.poi.poifs.crypt.ChunkedCipherOutputStream.chunk:[B
            areturn
        end local 0 // org.apache.poi.poifs.crypt.ChunkedCipherOutputStream this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/apache/poi/poifs/crypt/ChunkedCipherOutputStream;

  protected java.util.BitSet getPlainByteFlags();
    descriptor: ()Ljava/util/BitSet;
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.apache.poi.poifs.crypt.ChunkedCipherOutputStream this
         0: .line 287
            aload 0 /* this */
            getfield org.apache.poi.poifs.crypt.ChunkedCipherOutputStream.plainByteFlags:Ljava/util/BitSet;
            areturn
        end local 0 // org.apache.poi.poifs.crypt.ChunkedCipherOutputStream this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/apache/poi/poifs/crypt/ChunkedCipherOutputStream;

  protected long getPos();
    descriptor: ()J
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // org.apache.poi.poifs.crypt.ChunkedCipherOutputStream this
         0: .line 291
            aload 0 /* this */
            getfield org.apache.poi.poifs.crypt.ChunkedCipherOutputStream.pos:J
            lreturn
        end local 0 // org.apache.poi.poifs.crypt.ChunkedCipherOutputStream this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/apache/poi/poifs/crypt/ChunkedCipherOutputStream;

  protected long getTotalPos();
    descriptor: ()J
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // org.apache.poi.poifs.crypt.ChunkedCipherOutputStream this
         0: .line 295
            aload 0 /* this */
            getfield org.apache.poi.poifs.crypt.ChunkedCipherOutputStream.totalPos:J
            lreturn
        end local 0 // org.apache.poi.poifs.crypt.ChunkedCipherOutputStream this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/apache/poi/poifs/crypt/ChunkedCipherOutputStream;

  public void setNextRecordSize(int, boolean);
    descriptor: (IZ)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=0, locals=3, args_size=3
        start local 0 // org.apache.poi.poifs.crypt.ChunkedCipherOutputStream this
        start local 1 // int recordSize
        start local 2 // boolean isPlain
         0: .line 306
            return
        end local 2 // boolean isPlain
        end local 1 // int recordSize
        end local 0 // org.apache.poi.poifs.crypt.ChunkedCipherOutputStream this
      LocalVariableTable:
        Start  End  Slot        Name  Signature
            0    1     0        this  Lorg/apache/poi/poifs/crypt/ChunkedCipherOutputStream;
            0    1     1  recordSize  I
            0    1     2     isPlain  Z
    MethodParameters:
            Name  Flags
      recordSize  
      isPlain     
}
SourceFile: "ChunkedCipherOutputStream.java"
NestMembers:
  org.apache.poi.poifs.crypt.ChunkedCipherOutputStream$EncryptedPackageWriter
InnerClasses:
  private EncryptedPackageWriter = org.apache.poi.poifs.crypt.ChunkedCipherOutputStream$EncryptedPackageWriter of org.apache.poi.poifs.crypt.ChunkedCipherOutputStream
    RuntimeVisibleAnnotations: 
      org.apache.poi.util.Internal()