public class org.h2.compress.LZFInputStream extends java.io.InputStream
minor version: 0
major version: 59
flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
this_class: org.h2.compress.LZFInputStream
super_class: java.io.InputStream
{
private final java.io.InputStream in;
descriptor: Ljava/io/InputStream;
flags: (0x0012) ACC_PRIVATE, ACC_FINAL
private org.h2.compress.CompressLZF decompress;
descriptor: Lorg/h2/compress/CompressLZF;
flags: (0x0002) ACC_PRIVATE
private int pos;
descriptor: I
flags: (0x0002) ACC_PRIVATE
private int bufferLength;
descriptor: I
flags: (0x0002) ACC_PRIVATE
private byte[] inBuffer;
descriptor: [B
flags: (0x0002) ACC_PRIVATE
private byte[] buffer;
descriptor: [B
flags: (0x0002) ACC_PRIVATE
public void <init>(java.io.InputStream);
descriptor: (Ljava/io/InputStream;)V
flags: (0x0001) ACC_PUBLIC
Code:
stack=3, locals=2, args_size=2
start local 0 start local 1 0: aload 0
invokespecial java.io.InputStream.<init>:()V
1: aload 0
new org.h2.compress.CompressLZF
dup
invokespecial org.h2.compress.CompressLZF.<init>:()V
putfield org.h2.compress.LZFInputStream.decompress:Lorg/h2/compress/CompressLZF;
2: aload 0
aload 1
putfield org.h2.compress.LZFInputStream.in:Ljava/io/InputStream;
3: aload 0
invokevirtual org.h2.compress.LZFInputStream.readInt:()I
ldc 1211255123
if_icmpeq 5
4: new java.io.IOException
dup
ldc "Not an LZFInputStream"
invokespecial java.io.IOException.<init>:(Ljava/lang/String;)V
athrow
5: StackMap locals: org.h2.compress.LZFInputStream java.io.InputStream
StackMap stack:
return
end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 6 0 this Lorg/h2/compress/LZFInputStream;
0 6 1 in Ljava/io/InputStream;
Exceptions:
throws java.io.IOException
MethodParameters:
Name Flags
in
private static byte[] ensureSize(byte[], int);
descriptor: ([BI)[B
flags: (0x000a) ACC_PRIVATE, ACC_STATIC
Code:
stack=2, locals=2, args_size=2
start local 0 start local 1 0: aload 0
ifnull 1
aload 0
arraylength
iload 1
if_icmpge 2
StackMap locals:
StackMap stack:
1: iload 1
invokestatic org.h2.util.Utils.newBytes:(I)[B
goto 3
StackMap locals:
StackMap stack:
2: aload 0
StackMap locals:
StackMap stack: byte[]
3: areturn
end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 4 0 buff [B
0 4 1 len I
MethodParameters:
Name Flags
buff
len
private void fillBuffer();
descriptor: ()V
flags: (0x0002) ACC_PRIVATE
Code:
stack=7, locals=4, args_size=1
start local 0 0: aload 0
getfield org.h2.compress.LZFInputStream.buffer:[B
ifnull 2
aload 0
getfield org.h2.compress.LZFInputStream.pos:I
aload 0
getfield org.h2.compress.LZFInputStream.bufferLength:I
if_icmpge 2
1: return
2: StackMap locals:
StackMap stack:
aload 0
invokevirtual org.h2.compress.LZFInputStream.readInt:()I
istore 1
start local 1 3: aload 0
getfield org.h2.compress.LZFInputStream.decompress:Lorg/h2/compress/CompressLZF;
ifnonnull 6
4: aload 0
iconst_0
putfield org.h2.compress.LZFInputStream.bufferLength:I
5: goto 21
StackMap locals: int
StackMap stack:
6: iload 1
ifge 12
7: iload 1
ineg
istore 1
8: aload 0
aload 0
getfield org.h2.compress.LZFInputStream.buffer:[B
iload 1
invokestatic org.h2.compress.LZFInputStream.ensureSize:([BI)[B
putfield org.h2.compress.LZFInputStream.buffer:[B
9: aload 0
aload 0
getfield org.h2.compress.LZFInputStream.buffer:[B
iload 1
invokevirtual org.h2.compress.LZFInputStream.readFully:([BI)V
10: aload 0
iload 1
putfield org.h2.compress.LZFInputStream.bufferLength:I
11: goto 21
12: StackMap locals:
StackMap stack:
aload 0
aload 0
getfield org.h2.compress.LZFInputStream.inBuffer:[B
iload 1
invokestatic org.h2.compress.LZFInputStream.ensureSize:([BI)[B
putfield org.h2.compress.LZFInputStream.inBuffer:[B
13: aload 0
invokevirtual org.h2.compress.LZFInputStream.readInt:()I
istore 2
start local 2 14: aload 0
aload 0
getfield org.h2.compress.LZFInputStream.inBuffer:[B
iload 1
invokevirtual org.h2.compress.LZFInputStream.readFully:([BI)V
15: aload 0
aload 0
getfield org.h2.compress.LZFInputStream.buffer:[B
iload 2
invokestatic org.h2.compress.LZFInputStream.ensureSize:([BI)[B
putfield org.h2.compress.LZFInputStream.buffer:[B
16: aload 0
getfield org.h2.compress.LZFInputStream.decompress:Lorg/h2/compress/CompressLZF;
aload 0
getfield org.h2.compress.LZFInputStream.inBuffer:[B
iconst_0
iload 1
aload 0
getfield org.h2.compress.LZFInputStream.buffer:[B
iconst_0
iload 2
invokevirtual org.h2.compress.CompressLZF.expand:([BII[BII)V
17: goto 20
StackMap locals: org.h2.compress.LZFInputStream int int
StackMap stack: java.lang.ArrayIndexOutOfBoundsException
18: astore 3
start local 3 19: aload 3
invokestatic org.h2.message.DbException.convertToIOException:(Ljava/lang/Throwable;)Ljava/io/IOException;
pop
end local 3 20: StackMap locals:
StackMap stack:
aload 0
iload 2
putfield org.h2.compress.LZFInputStream.bufferLength:I
end local 2 21: StackMap locals:
StackMap stack:
aload 0
iconst_0
putfield org.h2.compress.LZFInputStream.pos:I
22: return
end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 23 0 this Lorg/h2/compress/LZFInputStream;
3 23 1 len I
14 21 2 size I
19 20 3 e Ljava/lang/ArrayIndexOutOfBoundsException;
Exception table:
from to target type
16 17 18 Class java.lang.ArrayIndexOutOfBoundsException
Exceptions:
throws java.io.IOException
private void readFully(byte[], int);
descriptor: ([BI)V
flags: (0x0002) ACC_PRIVATE
Code:
stack=4, locals=5, args_size=3
start local 0 start local 1 start local 2 0: iconst_0
istore 3
start local 3 1: goto 5
2: StackMap locals: int
StackMap stack:
aload 0
getfield org.h2.compress.LZFInputStream.in:Ljava/io/InputStream;
aload 1
iload 3
iload 2
invokevirtual java.io.InputStream.read:([BII)I
istore 4
start local 4 3: iload 2
iload 4
isub
istore 2
4: iload 3
iload 4
iadd
istore 3
end local 4 5: StackMap locals:
StackMap stack:
iload 2
ifgt 2
6: return
end local 3 end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 7 0 this Lorg/h2/compress/LZFInputStream;
0 7 1 buff [B
0 7 2 len I
1 7 3 off I
3 5 4 l I
Exceptions:
throws java.io.IOException
MethodParameters:
Name Flags
buff
len
private int readInt();
descriptor: ()I
flags: (0x0002) ACC_PRIVATE
Code:
stack=3, locals=2, args_size=1
start local 0 0: aload 0
getfield org.h2.compress.LZFInputStream.in:Ljava/io/InputStream;
invokevirtual java.io.InputStream.read:()I
istore 1
start local 1 1: iload 1
ifge 4
2: aload 0
aconst_null
putfield org.h2.compress.LZFInputStream.decompress:Lorg/h2/compress/CompressLZF;
3: iconst_0
ireturn
4: StackMap locals: int
StackMap stack:
iload 1
bipush 24
ishl
aload 0
getfield org.h2.compress.LZFInputStream.in:Ljava/io/InputStream;
invokevirtual java.io.InputStream.read:()I
bipush 16
ishl
iadd
aload 0
getfield org.h2.compress.LZFInputStream.in:Ljava/io/InputStream;
invokevirtual java.io.InputStream.read:()I
bipush 8
ishl
iadd
aload 0
getfield org.h2.compress.LZFInputStream.in:Ljava/io/InputStream;
invokevirtual java.io.InputStream.read:()I
iadd
istore 1
5: iload 1
ireturn
end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 6 0 this Lorg/h2/compress/LZFInputStream;
1 6 1 x I
Exceptions:
throws java.io.IOException
public int read();
descriptor: ()I
flags: (0x0001) ACC_PUBLIC
Code:
stack=5, locals=1, args_size=1
start local 0 0: aload 0
invokevirtual org.h2.compress.LZFInputStream.fillBuffer:()V
1: aload 0
getfield org.h2.compress.LZFInputStream.pos:I
aload 0
getfield org.h2.compress.LZFInputStream.bufferLength:I
if_icmplt 3
2: iconst_m1
ireturn
3: StackMap locals:
StackMap stack:
aload 0
getfield org.h2.compress.LZFInputStream.buffer:[B
aload 0
dup
getfield org.h2.compress.LZFInputStream.pos:I
dup_x1
iconst_1
iadd
putfield org.h2.compress.LZFInputStream.pos:I
baload
sipush 255
iand
ireturn
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 4 0 this Lorg/h2/compress/LZFInputStream;
Exceptions:
throws java.io.IOException
public int read(byte[]);
descriptor: ([B)I
flags: (0x0001) ACC_PUBLIC
Code:
stack=4, locals=2, args_size=2
start local 0 start local 1 0: aload 0
aload 1
iconst_0
aload 1
arraylength
invokevirtual org.h2.compress.LZFInputStream.read:([BII)I
ireturn
end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 1 0 this Lorg/h2/compress/LZFInputStream;
0 1 1 b [B
Exceptions:
throws java.io.IOException
MethodParameters:
Name Flags
b
public int read(byte[], int, int);
descriptor: ([BII)I
flags: (0x0001) ACC_PUBLIC
Code:
stack=4, locals=6, args_size=4
start local 0 start local 1 start local 2 start local 3 0: iload 3
ifne 2
1: iconst_0
ireturn
2: StackMap locals:
StackMap stack:
iconst_0
istore 4
start local 4 3: goto 10
4: StackMap locals: int
StackMap stack:
aload 0
aload 1
iload 2
iload 3
invokevirtual org.h2.compress.LZFInputStream.readBlock:([BII)I
istore 5
start local 5 5: iload 5
ifge 7
6: goto 11
7: StackMap locals: int
StackMap stack:
iload 4
iload 5
iadd
istore 4
8: iload 2
iload 5
iadd
istore 2
9: iload 3
iload 5
isub
istore 3
end local 5 10: StackMap locals:
StackMap stack:
iload 3
ifgt 4
11: StackMap locals:
StackMap stack:
iload 4
ifne 12
iconst_m1
goto 13
StackMap locals:
StackMap stack:
12: iload 4
StackMap locals:
StackMap stack: int
13: ireturn
end local 4 end local 3 end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 14 0 this Lorg/h2/compress/LZFInputStream;
0 14 1 b [B
0 14 2 off I
0 14 3 len I
3 14 4 read I
5 10 5 r I
Exceptions:
throws java.io.IOException
MethodParameters:
Name Flags
b
off
len
private int readBlock(byte[], int, int);
descriptor: ([BII)I
flags: (0x0002) ACC_PRIVATE
Code:
stack=5, locals=5, args_size=4
start local 0 start local 1 start local 2 start local 3 0: aload 0
invokevirtual org.h2.compress.LZFInputStream.fillBuffer:()V
1: aload 0
getfield org.h2.compress.LZFInputStream.pos:I
aload 0
getfield org.h2.compress.LZFInputStream.bufferLength:I
if_icmplt 3
2: iconst_m1
ireturn
3: StackMap locals:
StackMap stack:
iload 3
aload 0
getfield org.h2.compress.LZFInputStream.bufferLength:I
aload 0
getfield org.h2.compress.LZFInputStream.pos:I
isub
invokestatic java.lang.Math.min:(II)I
istore 4
start local 4 4: iload 4
aload 1
arraylength
iload 2
isub
invokestatic java.lang.Math.min:(II)I
istore 4
5: aload 0
getfield org.h2.compress.LZFInputStream.buffer:[B
aload 0
getfield org.h2.compress.LZFInputStream.pos:I
aload 1
iload 2
iload 4
invokestatic java.lang.System.arraycopy:(Ljava/lang/Object;ILjava/lang/Object;II)V
6: aload 0
dup
getfield org.h2.compress.LZFInputStream.pos:I
iload 4
iadd
putfield org.h2.compress.LZFInputStream.pos:I
7: iload 4
ireturn
end local 4 end local 3 end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 8 0 this Lorg/h2/compress/LZFInputStream;
0 8 1 b [B
0 8 2 off I
0 8 3 len I
4 8 4 max I
Exceptions:
throws java.io.IOException
MethodParameters:
Name Flags
b
off
len
public void close();
descriptor: ()V
flags: (0x0001) ACC_PUBLIC
Code:
stack=1, locals=1, args_size=1
start local 0 0: aload 0
getfield org.h2.compress.LZFInputStream.in:Ljava/io/InputStream;
invokevirtual java.io.InputStream.close:()V
1: return
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 2 0 this Lorg/h2/compress/LZFInputStream;
Exceptions:
throws java.io.IOException
}
SourceFile: "LZFInputStream.java"