http://lucene.apache.org/lucene-parent/lucene-core: Apache Lucene Java Core (The Apache Software Foundation) 
public abstract class org.apache.lucene.store.DataOutput
  minor version: 0
  major version: 59
  flags: flags: (0x0421) ACC_PUBLIC, ACC_SUPER, ACC_ABSTRACT
  this_class: org.apache.lucene.store.DataOutput
  super_class: java.lang.Object
{
  private static int COPY_BUFFER_SIZE;
    descriptor: I
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC

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

  static final boolean $assertionsDisabled;
    descriptor: Z
    flags: (0x1018) ACC_STATIC, ACC_FINAL, ACC_SYNTHETIC

  static void <clinit>();
    descriptor: ()V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=1, locals=0, args_size=0
         0: .line 34
            ldc Lorg/apache/lucene/store/DataOutput;
            invokevirtual java.lang.Class.desiredAssertionStatus:()Z
            ifne 1
            iconst_1
            goto 2
      StackMap locals:
      StackMap stack:
         1: iconst_0
      StackMap locals:
      StackMap stack: int
         2: putstatic org.apache.lucene.store.DataOutput.$assertionsDisabled:Z
         3: .line 262
            sipush 16384
            putstatic org.apache.lucene.store.DataOutput.COPY_BUFFER_SIZE:I
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  public void <init>();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.apache.lucene.store.DataOutput this
         0: .line 34
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
            return
        end local 0 // org.apache.lucene.store.DataOutput this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/apache/lucene/store/DataOutput;

  public abstract void writeByte(byte);
    descriptor: (B)V
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      b     

  public void writeBytes(byte[], int);
    descriptor: ([BI)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=3, args_size=3
        start local 0 // org.apache.lucene.store.DataOutput this
        start local 1 // byte[] b
        start local 2 // int length
         0: .line 52
            aload 0 /* this */
            aload 1 /* b */
            iconst_0
            iload 2 /* length */
            invokevirtual org.apache.lucene.store.DataOutput.writeBytes:([BII)V
         1: .line 53
            return
        end local 2 // int length
        end local 1 // byte[] b
        end local 0 // org.apache.lucene.store.DataOutput this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    2     0    this  Lorg/apache/lucene/store/DataOutput;
            0    2     1       b  [B
            0    2     2  length  I
    Exceptions:
      throws java.io.IOException
    MethodParameters:
        Name  Flags
      b       
      length  

  public abstract void writeBytes(byte[], int, int);
    descriptor: ([BII)V
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Exceptions:
      throws java.io.IOException
    MethodParameters:
        Name  Flags
      b       
      offset  
      length  

  public void writeInt(int);
    descriptor: (I)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=2, args_size=2
        start local 0 // org.apache.lucene.store.DataOutput this
        start local 1 // int i
         0: .line 70
            aload 0 /* this */
            iload 1 /* i */
            bipush 24
            ishr
            i2b
            invokevirtual org.apache.lucene.store.DataOutput.writeByte:(B)V
         1: .line 71
            aload 0 /* this */
            iload 1 /* i */
            bipush 16
            ishr
            i2b
            invokevirtual org.apache.lucene.store.DataOutput.writeByte:(B)V
         2: .line 72
            aload 0 /* this */
            iload 1 /* i */
            bipush 8
            ishr
            i2b
            invokevirtual org.apache.lucene.store.DataOutput.writeByte:(B)V
         3: .line 73
            aload 0 /* this */
            iload 1 /* i */
            i2b
            invokevirtual org.apache.lucene.store.DataOutput.writeByte:(B)V
         4: .line 74
            return
        end local 1 // int i
        end local 0 // org.apache.lucene.store.DataOutput this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    5     0  this  Lorg/apache/lucene/store/DataOutput;
            0    5     1     i  I
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      i     

  public void writeShort(short);
    descriptor: (S)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=2, args_size=2
        start local 0 // org.apache.lucene.store.DataOutput this
        start local 1 // short i
         0: .line 80
            aload 0 /* this */
            iload 1 /* i */
            bipush 8
            ishr
            i2b
            invokevirtual org.apache.lucene.store.DataOutput.writeByte:(B)V
         1: .line 81
            aload 0 /* this */
            iload 1 /* i */
            i2b
            invokevirtual org.apache.lucene.store.DataOutput.writeByte:(B)V
         2: .line 82
            return
        end local 1 // short i
        end local 0 // org.apache.lucene.store.DataOutput this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Lorg/apache/lucene/store/DataOutput;
            0    3     1     i  S
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      i     

  public final void writeVInt(int);
    descriptor: (I)V
    flags: (0x0011) ACC_PUBLIC, ACC_FINAL
    Code:
      stack=3, locals=2, args_size=2
        start local 0 // org.apache.lucene.store.DataOutput this
        start local 1 // int i
         0: .line 187
            goto 3
         1: .line 188
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            iload 1 /* i */
            bipush 127
            iand
            sipush 128
            ior
            i2b
            invokevirtual org.apache.lucene.store.DataOutput.writeByte:(B)V
         2: .line 189
            iload 1 /* i */
            bipush 7
            iushr
            istore 1 /* i */
         3: .line 187
      StackMap locals:
      StackMap stack:
            iload 1 /* i */
            bipush -128
            iand
            ifne 1
         4: .line 191
            aload 0 /* this */
            iload 1 /* i */
            i2b
            invokevirtual org.apache.lucene.store.DataOutput.writeByte:(B)V
         5: .line 192
            return
        end local 1 // int i
        end local 0 // org.apache.lucene.store.DataOutput this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    6     0  this  Lorg/apache/lucene/store/DataOutput;
            0    6     1     i  I
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      i     

  public final void writeZInt(int);
    descriptor: (I)V
    flags: (0x0011) ACC_PUBLIC, ACC_FINAL
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.apache.lucene.store.DataOutput this
        start local 1 // int i
         0: .line 202
            aload 0 /* this */
            iload 1 /* i */
            invokestatic org.apache.lucene.util.BitUtil.zigZagEncode:(I)I
            invokevirtual org.apache.lucene.store.DataOutput.writeVInt:(I)V
         1: .line 203
            return
        end local 1 // int i
        end local 0 // org.apache.lucene.store.DataOutput this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lorg/apache/lucene/store/DataOutput;
            0    2     1     i  I
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      i     

  public void writeLong(long);
    descriptor: (J)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=3, args_size=2
        start local 0 // org.apache.lucene.store.DataOutput this
        start local 1 // long i
         0: .line 212
            aload 0 /* this */
            lload 1 /* i */
            bipush 32
            lshr
            l2i
            invokevirtual org.apache.lucene.store.DataOutput.writeInt:(I)V
         1: .line 213
            aload 0 /* this */
            lload 1 /* i */
            l2i
            invokevirtual org.apache.lucene.store.DataOutput.writeInt:(I)V
         2: .line 214
            return
        end local 1 // long i
        end local 0 // org.apache.lucene.store.DataOutput this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Lorg/apache/lucene/store/DataOutput;
            0    3     1     i  J
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      i     

  public final void writeVLong(long);
    descriptor: (J)V
    flags: (0x0011) ACC_PUBLIC, ACC_FINAL
    Code:
      stack=5, locals=3, args_size=2
        start local 0 // org.apache.lucene.store.DataOutput this
        start local 1 // long i
         0: .line 224
            lload 1 /* i */
            lconst_0
            lcmp
            ifge 2
         1: .line 225
            new java.lang.IllegalArgumentException
            dup
            new java.lang.StringBuilder
            dup
            ldc "cannot write negative vLong (got: "
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            lload 1 /* i */
            invokevirtual java.lang.StringBuilder.append:(J)Ljava/lang/StringBuilder;
            ldc ")"
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
         2: .line 227
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            lload 1 /* i */
            invokevirtual org.apache.lucene.store.DataOutput.writeSignedVLong:(J)V
         3: .line 228
            return
        end local 1 // long i
        end local 0 // org.apache.lucene.store.DataOutput this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    4     0  this  Lorg/apache/lucene/store/DataOutput;
            0    4     1     i  J
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      i     

  private void writeSignedVLong(long);
    descriptor: (J)V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=5, locals=3, args_size=2
        start local 0 // org.apache.lucene.store.DataOutput this
        start local 1 // long i
         0: .line 232
            goto 3
         1: .line 233
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            lload 1 /* i */
            ldc 127
            land
            ldc 128
            lor
            l2i
            i2b
            invokevirtual org.apache.lucene.store.DataOutput.writeByte:(B)V
         2: .line 234
            lload 1 /* i */
            bipush 7
            lushr
            lstore 1 /* i */
         3: .line 232
      StackMap locals:
      StackMap stack:
            lload 1 /* i */
            ldc -128
            land
            lconst_0
            lcmp
            ifne 1
         4: .line 236
            aload 0 /* this */
            lload 1 /* i */
            l2i
            i2b
            invokevirtual org.apache.lucene.store.DataOutput.writeByte:(B)V
         5: .line 237
            return
        end local 1 // long i
        end local 0 // org.apache.lucene.store.DataOutput this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    6     0  this  Lorg/apache/lucene/store/DataOutput;
            0    6     1     i  J
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      i     

  public final void writeZLong(long);
    descriptor: (J)V
    flags: (0x0011) ACC_PUBLIC, ACC_FINAL
    Code:
      stack=3, locals=3, args_size=2
        start local 0 // org.apache.lucene.store.DataOutput this
        start local 1 // long i
         0: .line 246
            aload 0 /* this */
            lload 1 /* i */
            invokestatic org.apache.lucene.util.BitUtil.zigZagEncode:(J)J
            invokevirtual org.apache.lucene.store.DataOutput.writeSignedVLong:(J)V
         1: .line 247
            return
        end local 1 // long i
        end local 0 // org.apache.lucene.store.DataOutput this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lorg/apache/lucene/store/DataOutput;
            0    2     1     i  J
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      i     

  public void writeString(java.lang.String);
    descriptor: (Ljava/lang/String;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=3, args_size=2
        start local 0 // org.apache.lucene.store.DataOutput this
        start local 1 // java.lang.String s
         0: .line 257
            new org.apache.lucene.util.BytesRef
            dup
            aload 1 /* s */
            invokespecial org.apache.lucene.util.BytesRef.<init>:(Ljava/lang/CharSequence;)V
            astore 2 /* utf8Result */
        start local 2 // org.apache.lucene.util.BytesRef utf8Result
         1: .line 258
            aload 0 /* this */
            aload 2 /* utf8Result */
            getfield org.apache.lucene.util.BytesRef.length:I
            invokevirtual org.apache.lucene.store.DataOutput.writeVInt:(I)V
         2: .line 259
            aload 0 /* this */
            aload 2 /* utf8Result */
            getfield org.apache.lucene.util.BytesRef.bytes:[B
            aload 2 /* utf8Result */
            getfield org.apache.lucene.util.BytesRef.offset:I
            aload 2 /* utf8Result */
            getfield org.apache.lucene.util.BytesRef.length:I
            invokevirtual org.apache.lucene.store.DataOutput.writeBytes:([BII)V
         3: .line 260
            return
        end local 2 // org.apache.lucene.util.BytesRef utf8Result
        end local 1 // java.lang.String s
        end local 0 // org.apache.lucene.store.DataOutput this
      LocalVariableTable:
        Start  End  Slot        Name  Signature
            0    4     0        this  Lorg/apache/lucene/store/DataOutput;
            0    4     1           s  Ljava/lang/String;
            1    4     2  utf8Result  Lorg/apache/lucene/util/BytesRef;
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      s     

  public void copyBytes(org.apache.lucene.store.DataInput, long);
    descriptor: (Lorg/apache/lucene/store/DataInput;J)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=7, args_size=3
        start local 0 // org.apache.lucene.store.DataOutput this
        start local 1 // org.apache.lucene.store.DataInput input
        start local 2 // long numBytes
         0: .line 267
            getstatic org.apache.lucene.store.DataOutput.$assertionsDisabled:Z
            ifne 1
            lload 2 /* numBytes */
            lconst_0
            lcmp
            ifge 1
            new java.lang.AssertionError
            dup
            new java.lang.StringBuilder
            dup
            ldc "numBytes="
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            lload 2 /* numBytes */
            invokevirtual java.lang.StringBuilder.append:(J)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            invokespecial java.lang.AssertionError.<init>:(Ljava/lang/Object;)V
            athrow
         1: .line 268
      StackMap locals:
      StackMap stack:
            lload 2 /* numBytes */
            lstore 4 /* left */
        start local 4 // long left
         2: .line 269
            aload 0 /* this */
            getfield org.apache.lucene.store.DataOutput.copyBuffer:[B
            ifnonnull 12
         3: .line 270
            aload 0 /* this */
            getstatic org.apache.lucene.store.DataOutput.COPY_BUFFER_SIZE:I
            newarray 8
            putfield org.apache.lucene.store.DataOutput.copyBuffer:[B
         4: .line 271
            goto 12
         5: .line 273
      StackMap locals: long
      StackMap stack:
            lload 4 /* left */
            getstatic org.apache.lucene.store.DataOutput.COPY_BUFFER_SIZE:I
            i2l
            lcmp
            ifle 8
         6: .line 274
            getstatic org.apache.lucene.store.DataOutput.COPY_BUFFER_SIZE:I
            istore 6 /* toCopy */
        start local 6 // int toCopy
         7: goto 9
        end local 6 // int toCopy
         8: .line 276
      StackMap locals:
      StackMap stack:
            lload 4 /* left */
            l2i
            istore 6 /* toCopy */
        start local 6 // int toCopy
         9: .line 277
      StackMap locals: int
      StackMap stack:
            aload 1 /* input */
            aload 0 /* this */
            getfield org.apache.lucene.store.DataOutput.copyBuffer:[B
            iconst_0
            iload 6 /* toCopy */
            invokevirtual org.apache.lucene.store.DataInput.readBytes:([BII)V
        10: .line 278
            aload 0 /* this */
            aload 0 /* this */
            getfield org.apache.lucene.store.DataOutput.copyBuffer:[B
            iconst_0
            iload 6 /* toCopy */
            invokevirtual org.apache.lucene.store.DataOutput.writeBytes:([BII)V
        11: .line 279
            lload 4 /* left */
            iload 6 /* toCopy */
            i2l
            lsub
            lstore 4 /* left */
        end local 6 // int toCopy
        12: .line 271
      StackMap locals:
      StackMap stack:
            lload 4 /* left */
            lconst_0
            lcmp
            ifgt 5
        13: .line 281
            return
        end local 4 // long left
        end local 2 // long numBytes
        end local 1 // org.apache.lucene.store.DataInput input
        end local 0 // org.apache.lucene.store.DataOutput this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0   14     0      this  Lorg/apache/lucene/store/DataOutput;
            0   14     1     input  Lorg/apache/lucene/store/DataInput;
            0   14     2  numBytes  J
            2   14     4      left  J
            7    8     6    toCopy  I
            9   12     6    toCopy  I
    Exceptions:
      throws java.io.IOException
    MethodParameters:
          Name  Flags
      input     
      numBytes  

  public void writeMapOfStrings(java.util.Map<java.lang.String, java.lang.String>);
    descriptor: (Ljava/util/Map;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=4, args_size=2
        start local 0 // org.apache.lucene.store.DataOutput this
        start local 1 // java.util.Map map
         0: .line 294
            aload 0 /* this */
            aload 1 /* map */
            invokeinterface java.util.Map.size:()I
            invokevirtual org.apache.lucene.store.DataOutput.writeVInt:(I)V
         1: .line 295
            aload 1 /* map */
            invokeinterface java.util.Map.entrySet:()Ljava/util/Set;
            invokeinterface java.util.Set.iterator:()Ljava/util/Iterator;
            astore 3
            goto 5
      StackMap locals: org.apache.lucene.store.DataOutput java.util.Map top java.util.Iterator
      StackMap stack:
         2: aload 3
            invokeinterface java.util.Iterator.next:()Ljava/lang/Object;
            checkcast java.util.Map$Entry
            astore 2 /* entry */
        start local 2 // java.util.Map$Entry entry
         3: .line 296
            aload 0 /* this */
            aload 2 /* entry */
            invokeinterface java.util.Map$Entry.getKey:()Ljava/lang/Object;
            checkcast java.lang.String
            invokevirtual org.apache.lucene.store.DataOutput.writeString:(Ljava/lang/String;)V
         4: .line 297
            aload 0 /* this */
            aload 2 /* entry */
            invokeinterface java.util.Map$Entry.getValue:()Ljava/lang/Object;
            checkcast java.lang.String
            invokevirtual org.apache.lucene.store.DataOutput.writeString:(Ljava/lang/String;)V
        end local 2 // java.util.Map$Entry entry
         5: .line 295
      StackMap locals:
      StackMap stack:
            aload 3
            invokeinterface java.util.Iterator.hasNext:()Z
            ifne 2
         6: .line 299
            return
        end local 1 // java.util.Map map
        end local 0 // org.apache.lucene.store.DataOutput this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    7     0   this  Lorg/apache/lucene/store/DataOutput;
            0    7     1    map  Ljava/util/Map<Ljava/lang/String;Ljava/lang/String;>;
            3    5     2  entry  Ljava/util/Map$Entry<Ljava/lang/String;Ljava/lang/String;>;
    Exceptions:
      throws java.io.IOException
    Signature: (Ljava/util/Map<Ljava/lang/String;Ljava/lang/String;>;)V
    MethodParameters:
      Name  Flags
      map   

  public void writeSetOfStrings(java.util.Set<java.lang.String>);
    descriptor: (Ljava/util/Set;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=4, args_size=2
        start local 0 // org.apache.lucene.store.DataOutput this
        start local 1 // java.util.Set set
         0: .line 312
            aload 0 /* this */
            aload 1 /* set */
            invokeinterface java.util.Set.size:()I
            invokevirtual org.apache.lucene.store.DataOutput.writeVInt:(I)V
         1: .line 313
            aload 1 /* set */
            invokeinterface java.util.Set.iterator:()Ljava/util/Iterator;
            astore 3
            goto 4
      StackMap locals: org.apache.lucene.store.DataOutput java.util.Set top java.util.Iterator
      StackMap stack:
         2: aload 3
            invokeinterface java.util.Iterator.next:()Ljava/lang/Object;
            checkcast java.lang.String
            astore 2 /* value */
        start local 2 // java.lang.String value
         3: .line 314
            aload 0 /* this */
            aload 2 /* value */
            invokevirtual org.apache.lucene.store.DataOutput.writeString:(Ljava/lang/String;)V
        end local 2 // java.lang.String value
         4: .line 313
      StackMap locals:
      StackMap stack:
            aload 3
            invokeinterface java.util.Iterator.hasNext:()Z
            ifne 2
         5: .line 316
            return
        end local 1 // java.util.Set set
        end local 0 // org.apache.lucene.store.DataOutput this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    6     0   this  Lorg/apache/lucene/store/DataOutput;
            0    6     1    set  Ljava/util/Set<Ljava/lang/String;>;
            3    4     2  value  Ljava/lang/String;
    Exceptions:
      throws java.io.IOException
    Signature: (Ljava/util/Set<Ljava/lang/String;>;)V
    MethodParameters:
      Name  Flags
      set   
}
SourceFile: "DataOutput.java"
InnerClasses:
  public abstract Entry = java.util.Map$Entry of java.util.Map