public class java.util.zip.GZIPOutputStream extends java.util.zip.DeflaterOutputStream
minor version: 0
major version: 59
flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
this_class: java.util.zip.GZIPOutputStream
super_class: java.util.zip.DeflaterOutputStream
{
protected java.util.zip.CRC32 crc;
descriptor: Ljava/util/zip/CRC32;
flags: (0x0004) ACC_PROTECTED
private static final int GZIP_MAGIC;
descriptor: I
flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
ConstantValue: 35615
private static final int TRAILER_SIZE;
descriptor: I
flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
ConstantValue: 8
public void <init>(java.io.OutputStream, int);
descriptor: (Ljava/io/OutputStream;I)V
flags: (0x0001) ACC_PUBLIC
Code:
stack=4, locals=3, args_size=3
start local 0 start local 1 start local 2 0: aload 0
aload 1
iload 2
iconst_0
invokespecial java.util.zip.GZIPOutputStream.<init>:(Ljava/io/OutputStream;IZ)V
1: return
end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 2 0 this Ljava/util/zip/GZIPOutputStream;
0 2 1 out Ljava/io/OutputStream;
0 2 2 size I
Exceptions:
throws java.io.IOException
MethodParameters:
Name Flags
out
size
public void <init>(java.io.OutputStream, int, boolean);
descriptor: (Ljava/io/OutputStream;IZ)V
flags: (0x0001) ACC_PUBLIC
Code:
stack=6, locals=4, args_size=4
start local 0 start local 1 start local 2 start local 3 0: aload 0
aload 1
new java.util.zip.Deflater
dup
iconst_m1
iconst_1
invokespecial java.util.zip.Deflater.<init>:(IZ)V
1: iload 2
2: iload 3
invokespecial java.util.zip.DeflaterOutputStream.<init>:(Ljava/io/OutputStream;Ljava/util/zip/Deflater;IZ)V
3: aload 0
new java.util.zip.CRC32
dup
invokespecial java.util.zip.CRC32.<init>:()V
putfield java.util.zip.GZIPOutputStream.crc:Ljava/util/zip/CRC32;
4: aload 0
iconst_1
putfield java.util.zip.GZIPOutputStream.usesDefaultDeflater:Z
5: aload 0
invokevirtual java.util.zip.GZIPOutputStream.writeHeader:()V
6: aload 0
getfield java.util.zip.GZIPOutputStream.crc:Ljava/util/zip/CRC32;
invokevirtual java.util.zip.CRC32.reset:()V
7: return
end local 3 end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 8 0 this Ljava/util/zip/GZIPOutputStream;
0 8 1 out Ljava/io/OutputStream;
0 8 2 size I
0 8 3 syncFlush Z
Exceptions:
throws java.io.IOException
MethodParameters:
Name Flags
out
size
syncFlush
public void <init>(java.io.OutputStream);
descriptor: (Ljava/io/OutputStream;)V
flags: (0x0001) ACC_PUBLIC
Code:
stack=4, locals=2, args_size=2
start local 0 start local 1 0: aload 0
aload 1
sipush 512
iconst_0
invokespecial java.util.zip.GZIPOutputStream.<init>:(Ljava/io/OutputStream;IZ)V
1: return
end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 2 0 this Ljava/util/zip/GZIPOutputStream;
0 2 1 out Ljava/io/OutputStream;
Exceptions:
throws java.io.IOException
MethodParameters:
Name Flags
out
public void <init>(java.io.OutputStream, boolean);
descriptor: (Ljava/io/OutputStream;Z)V
flags: (0x0001) ACC_PUBLIC
Code:
stack=4, locals=3, args_size=3
start local 0 start local 1 start local 2 0: aload 0
aload 1
sipush 512
iload 2
invokespecial java.util.zip.GZIPOutputStream.<init>:(Ljava/io/OutputStream;IZ)V
1: return
end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 2 0 this Ljava/util/zip/GZIPOutputStream;
0 2 1 out Ljava/io/OutputStream;
0 2 2 syncFlush Z
Exceptions:
throws java.io.IOException
MethodParameters:
Name Flags
out
syncFlush
public synchronized void write(byte[], int, int);
descriptor: ([BII)V
flags: (0x0021) ACC_PUBLIC, ACC_SYNCHRONIZED
Code:
stack=4, locals=4, args_size=4
start local 0 start local 1 start local 2 start local 3 0: aload 0
aload 1
iload 2
iload 3
invokespecial java.util.zip.DeflaterOutputStream.write:([BII)V
1: aload 0
getfield java.util.zip.GZIPOutputStream.crc:Ljava/util/zip/CRC32;
aload 1
iload 2
iload 3
invokevirtual java.util.zip.CRC32.update:([BII)V
2: return
end local 3 end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 3 0 this Ljava/util/zip/GZIPOutputStream;
0 3 1 buf [B
0 3 2 off I
0 3 3 len I
Exceptions:
throws java.io.IOException
MethodParameters:
Name Flags
buf
off
len
public void finish();
descriptor: ()V
flags: (0x0001) ACC_PUBLIC
Code:
stack=4, locals=2, args_size=1
start local 0 0: aload 0
getfield java.util.zip.GZIPOutputStream.def:Ljava/util/zip/Deflater;
invokevirtual java.util.zip.Deflater.finished:()Z
ifne 15
1: aload 0
getfield java.util.zip.GZIPOutputStream.def:Ljava/util/zip/Deflater;
invokevirtual java.util.zip.Deflater.finish:()V
2: goto 11
3: StackMap locals:
StackMap stack:
aload 0
getfield java.util.zip.GZIPOutputStream.def:Ljava/util/zip/Deflater;
aload 0
getfield java.util.zip.GZIPOutputStream.buf:[B
iconst_0
aload 0
getfield java.util.zip.GZIPOutputStream.buf:[B
arraylength
invokevirtual java.util.zip.Deflater.deflate:([BII)I
istore 1
start local 1 4: aload 0
getfield java.util.zip.GZIPOutputStream.def:Ljava/util/zip/Deflater;
invokevirtual java.util.zip.Deflater.finished:()Z
ifeq 9
iload 1
aload 0
getfield java.util.zip.GZIPOutputStream.buf:[B
arraylength
bipush 8
isub
if_icmpgt 9
5: aload 0
aload 0
getfield java.util.zip.GZIPOutputStream.buf:[B
iload 1
invokevirtual java.util.zip.GZIPOutputStream.writeTrailer:([BI)V
6: iinc 1 8
7: aload 0
getfield java.util.zip.GZIPOutputStream.out:Ljava/io/OutputStream;
aload 0
getfield java.util.zip.GZIPOutputStream.buf:[B
iconst_0
iload 1
invokevirtual java.io.OutputStream.write:([BII)V
8: return
9: StackMap locals: int
StackMap stack:
iload 1
ifle 11
10: aload 0
getfield java.util.zip.GZIPOutputStream.out:Ljava/io/OutputStream;
aload 0
getfield java.util.zip.GZIPOutputStream.buf:[B
iconst_0
iload 1
invokevirtual java.io.OutputStream.write:([BII)V
end local 1 11: StackMap locals:
StackMap stack:
aload 0
getfield java.util.zip.GZIPOutputStream.def:Ljava/util/zip/Deflater;
invokevirtual java.util.zip.Deflater.finished:()Z
ifeq 3
12: bipush 8
newarray 8
astore 1
start local 1 13: aload 0
aload 1
iconst_0
invokevirtual java.util.zip.GZIPOutputStream.writeTrailer:([BI)V
14: aload 0
getfield java.util.zip.GZIPOutputStream.out:Ljava/io/OutputStream;
aload 1
invokevirtual java.io.OutputStream.write:([B)V
end local 1 15: StackMap locals:
StackMap stack:
return
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 16 0 this Ljava/util/zip/GZIPOutputStream;
4 11 1 len I
13 15 1 trailer [B
Exceptions:
throws java.io.IOException
private void ();
descriptor: ()V
flags: (0x0002) ACC_PRIVATE
Code:
stack=5, locals=1, args_size=1
start local 0 0: aload 0
getfield java.util.zip.GZIPOutputStream.out:Ljava/io/OutputStream;
bipush 10
newarray 8
dup
iconst_0
1: bipush 31
bastore
dup
iconst_1
2: bipush -117
bastore
dup
iconst_2
3: bipush 8
bastore
4: invokevirtual java.io.OutputStream.write:([B)V
5: return
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 6 0 this Ljava/util/zip/GZIPOutputStream;
Exceptions:
throws java.io.IOException
private void writeTrailer(byte[], int);
descriptor: ([BI)V
flags: (0x0002) ACC_PRIVATE
Code:
stack=5, locals=3, args_size=3
start local 0 start local 1 start local 2 0: aload 0
aload 0
getfield java.util.zip.GZIPOutputStream.crc:Ljava/util/zip/CRC32;
invokevirtual java.util.zip.CRC32.getValue:()J
l2i
aload 1
iload 2
invokevirtual java.util.zip.GZIPOutputStream.writeInt:(I[BI)V
1: aload 0
aload 0
getfield java.util.zip.GZIPOutputStream.def:Ljava/util/zip/Deflater;
invokevirtual java.util.zip.Deflater.getTotalIn:()I
aload 1
iload 2
iconst_4
iadd
invokevirtual java.util.zip.GZIPOutputStream.writeInt:(I[BI)V
2: return
end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 3 0 this Ljava/util/zip/GZIPOutputStream;
0 3 1 buf [B
0 3 2 offset I
Exceptions:
throws java.io.IOException
MethodParameters:
Name Flags
buf
offset
private void writeInt(int, byte[], int);
descriptor: (I[BI)V
flags: (0x0002) ACC_PRIVATE
Code:
stack=5, locals=4, args_size=4
start local 0 start local 1 start local 2 start local 3 0: aload 0
iload 1
ldc 65535
iand
aload 2
iload 3
invokevirtual java.util.zip.GZIPOutputStream.writeShort:(I[BI)V
1: aload 0
iload 1
bipush 16
ishr
ldc 65535
iand
aload 2
iload 3
iconst_2
iadd
invokevirtual java.util.zip.GZIPOutputStream.writeShort:(I[BI)V
2: return
end local 3 end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 3 0 this Ljava/util/zip/GZIPOutputStream;
0 3 1 i I
0 3 2 buf [B
0 3 3 offset I
Exceptions:
throws java.io.IOException
MethodParameters:
Name Flags
i
buf
offset
private void writeShort(int, byte[], int);
descriptor: (I[BI)V
flags: (0x0002) ACC_PRIVATE
Code:
stack=4, locals=4, args_size=4
start local 0 start local 1 start local 2 start local 3 0: aload 2
iload 3
iload 1
sipush 255
iand
i2b
bastore
1: aload 2
iload 3
iconst_1
iadd
iload 1
bipush 8
ishr
sipush 255
iand
i2b
bastore
2: return
end local 3 end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 3 0 this Ljava/util/zip/GZIPOutputStream;
0 3 1 s I
0 3 2 buf [B
0 3 3 offset I
Exceptions:
throws java.io.IOException
MethodParameters:
Name Flags
s
buf
offset
}
SourceFile: "GZIPOutputStream.java"