public class org.springframework.util.FastByteArrayOutputStream extends java.io.OutputStream
minor version: 0
major version: 59
flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
this_class: org.springframework.util.FastByteArrayOutputStream
super_class: java.io.OutputStream
{
private static final int DEFAULT_BLOCK_SIZE;
descriptor: I
flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
ConstantValue: 256
private final java.util.LinkedList<byte[]> buffers;
descriptor: Ljava/util/LinkedList;
flags: (0x0012) ACC_PRIVATE, ACC_FINAL
Signature: Ljava/util/LinkedList<[B>;
private final int initialBlockSize;
descriptor: I
flags: (0x0012) ACC_PRIVATE, ACC_FINAL
private int nextBlockSize;
descriptor: I
flags: (0x0002) ACC_PRIVATE
private int alreadyBufferedSize;
descriptor: I
flags: (0x0002) ACC_PRIVATE
private int index;
descriptor: I
flags: (0x0002) ACC_PRIVATE
private boolean closed;
descriptor: Z
flags: (0x0002) ACC_PRIVATE
public void <init>();
descriptor: ()V
flags: (0x0001) ACC_PUBLIC
Code:
stack=2, locals=1, args_size=1
start local 0 0: aload 0
sipush 256
invokespecial org.springframework.util.FastByteArrayOutputStream.<init>:(I)V
1: return
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 2 0 this Lorg/springframework/util/FastByteArrayOutputStream;
public void <init>(int);
descriptor: (I)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.OutputStream.<init>:()V
1: aload 0
new java.util.LinkedList
dup
invokespecial java.util.LinkedList.<init>:()V
putfield org.springframework.util.FastByteArrayOutputStream.buffers:Ljava/util/LinkedList;
2: aload 0
iconst_0
putfield org.springframework.util.FastByteArrayOutputStream.nextBlockSize:I
3: aload 0
iconst_0
putfield org.springframework.util.FastByteArrayOutputStream.alreadyBufferedSize:I
4: aload 0
iconst_0
putfield org.springframework.util.FastByteArrayOutputStream.index:I
5: aload 0
iconst_0
putfield org.springframework.util.FastByteArrayOutputStream.closed:Z
6: iload 1
ifle 7
iconst_1
goto 8
StackMap locals: org.springframework.util.FastByteArrayOutputStream int
StackMap stack:
7: iconst_0
StackMap locals:
StackMap stack: int
8: ldc "Initial block size must be greater than 0"
invokestatic org.springframework.util.Assert.isTrue:(ZLjava/lang/String;)V
9: aload 0
iload 1
putfield org.springframework.util.FastByteArrayOutputStream.initialBlockSize:I
10: aload 0
iload 1
putfield org.springframework.util.FastByteArrayOutputStream.nextBlockSize:I
11: return
end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 12 0 this Lorg/springframework/util/FastByteArrayOutputStream;
0 12 1 initialBlockSize I
MethodParameters:
Name Flags
initialBlockSize
public void write(int);
descriptor: (I)V
flags: (0x0001) ACC_PUBLIC
Code:
stack=5, locals=2, args_size=2
start local 0 start local 1 0: aload 0
getfield org.springframework.util.FastByteArrayOutputStream.closed:Z
ifeq 2
1: new java.io.IOException
dup
ldc "Stream closed"
invokespecial java.io.IOException.<init>:(Ljava/lang/String;)V
athrow
2: StackMap locals:
StackMap stack:
aload 0
getfield org.springframework.util.FastByteArrayOutputStream.buffers:Ljava/util/LinkedList;
invokevirtual java.util.LinkedList.peekLast:()Ljava/lang/Object;
ifnull 3
aload 0
getfield org.springframework.util.FastByteArrayOutputStream.buffers:Ljava/util/LinkedList;
invokevirtual java.util.LinkedList.getLast:()Ljava/lang/Object;
checkcast byte[]
arraylength
aload 0
getfield org.springframework.util.FastByteArrayOutputStream.index:I
if_icmpne 4
3: StackMap locals:
StackMap stack:
aload 0
iconst_1
invokevirtual org.springframework.util.FastByteArrayOutputStream.addBuffer:(I)V
4: StackMap locals:
StackMap stack:
aload 0
getfield org.springframework.util.FastByteArrayOutputStream.buffers:Ljava/util/LinkedList;
invokevirtual java.util.LinkedList.getLast:()Ljava/lang/Object;
checkcast byte[]
aload 0
dup
getfield org.springframework.util.FastByteArrayOutputStream.index:I
dup_x1
iconst_1
iadd
putfield org.springframework.util.FastByteArrayOutputStream.index:I
iload 1
i2b
bastore
5: return
end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 6 0 this Lorg/springframework/util/FastByteArrayOutputStream;
0 6 1 datum I
Exceptions:
throws java.io.IOException
MethodParameters:
Name Flags
datum
public void write(byte[], int, int);
descriptor: ([BII)V
flags: (0x0001) ACC_PUBLIC
Code:
stack=5, locals=6, args_size=4
start local 0 start local 1 start local 2 start local 3 0: iload 2
iflt 1
iload 2
iload 3
iadd
aload 1
arraylength
if_icmpgt 1
iload 3
ifge 2
1: StackMap locals:
StackMap stack:
new java.lang.IndexOutOfBoundsException
dup
invokespecial java.lang.IndexOutOfBoundsException.<init>:()V
athrow
2: StackMap locals:
StackMap stack:
aload 0
getfield org.springframework.util.FastByteArrayOutputStream.closed:Z
ifeq 4
3: new java.io.IOException
dup
ldc "Stream closed"
invokespecial java.io.IOException.<init>:(Ljava/lang/String;)V
athrow
4: StackMap locals:
StackMap stack:
aload 0
getfield org.springframework.util.FastByteArrayOutputStream.buffers:Ljava/util/LinkedList;
invokevirtual java.util.LinkedList.peekLast:()Ljava/lang/Object;
ifnull 5
aload 0
getfield org.springframework.util.FastByteArrayOutputStream.buffers:Ljava/util/LinkedList;
invokevirtual java.util.LinkedList.getLast:()Ljava/lang/Object;
checkcast byte[]
arraylength
aload 0
getfield org.springframework.util.FastByteArrayOutputStream.index:I
if_icmpne 6
5: StackMap locals:
StackMap stack:
aload 0
iload 3
invokevirtual org.springframework.util.FastByteArrayOutputStream.addBuffer:(I)V
6: StackMap locals:
StackMap stack:
aload 0
getfield org.springframework.util.FastByteArrayOutputStream.index:I
iload 3
iadd
aload 0
getfield org.springframework.util.FastByteArrayOutputStream.buffers:Ljava/util/LinkedList;
invokevirtual java.util.LinkedList.getLast:()Ljava/lang/Object;
checkcast byte[]
arraylength
if_icmple 20
7: iload 2
istore 4
start local 4 8: StackMap locals: int
StackMap stack:
aload 0
getfield org.springframework.util.FastByteArrayOutputStream.index:I
aload 0
getfield org.springframework.util.FastByteArrayOutputStream.buffers:Ljava/util/LinkedList;
invokevirtual java.util.LinkedList.getLast:()Ljava/lang/Object;
checkcast byte[]
arraylength
if_icmpne 10
9: aload 0
iload 3
invokevirtual org.springframework.util.FastByteArrayOutputStream.addBuffer:(I)V
10: StackMap locals:
StackMap stack:
aload 0
getfield org.springframework.util.FastByteArrayOutputStream.buffers:Ljava/util/LinkedList;
invokevirtual java.util.LinkedList.getLast:()Ljava/lang/Object;
checkcast byte[]
arraylength
aload 0
getfield org.springframework.util.FastByteArrayOutputStream.index:I
isub
istore 5
start local 5 11: iload 3
iload 5
if_icmpge 13
12: iload 3
istore 5
13: StackMap locals: int
StackMap stack:
aload 1
iload 4
aload 0
getfield org.springframework.util.FastByteArrayOutputStream.buffers:Ljava/util/LinkedList;
invokevirtual java.util.LinkedList.getLast:()Ljava/lang/Object;
aload 0
getfield org.springframework.util.FastByteArrayOutputStream.index:I
iload 5
invokestatic java.lang.System.arraycopy:(Ljava/lang/Object;ILjava/lang/Object;II)V
14: iload 4
iload 5
iadd
istore 4
15: aload 0
dup
getfield org.springframework.util.FastByteArrayOutputStream.index:I
iload 5
iadd
putfield org.springframework.util.FastByteArrayOutputStream.index:I
16: iload 3
iload 5
isub
istore 3
end local 5 17: iload 3
18: ifgt 8
end local 4 19: goto 22
20: StackMap locals:
StackMap stack:
aload 1
iload 2
aload 0
getfield org.springframework.util.FastByteArrayOutputStream.buffers:Ljava/util/LinkedList;
invokevirtual java.util.LinkedList.getLast:()Ljava/lang/Object;
aload 0
getfield org.springframework.util.FastByteArrayOutputStream.index:I
iload 3
invokestatic java.lang.System.arraycopy:(Ljava/lang/Object;ILjava/lang/Object;II)V
21: aload 0
dup
getfield org.springframework.util.FastByteArrayOutputStream.index:I
iload 3
iadd
putfield org.springframework.util.FastByteArrayOutputStream.index:I
22: StackMap locals:
StackMap stack:
return
end local 3 end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 23 0 this Lorg/springframework/util/FastByteArrayOutputStream;
0 23 1 data [B
0 23 2 offset I
0 23 3 length I
8 19 4 pos I
11 17 5 copyLength I
Exceptions:
throws java.io.IOException
MethodParameters:
Name Flags
data
offset
length
public void close();
descriptor: ()V
flags: (0x0001) ACC_PUBLIC
Code:
stack=2, locals=1, args_size=1
start local 0 0: aload 0
iconst_1
putfield org.springframework.util.FastByteArrayOutputStream.closed:Z
1: return
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 2 0 this Lorg/springframework/util/FastByteArrayOutputStream;
public java.lang.String toString();
descriptor: ()Ljava/lang/String;
flags: (0x0001) ACC_PUBLIC
Code:
stack=3, locals=1, args_size=1
start local 0 0: new java.lang.String
dup
aload 0
invokevirtual org.springframework.util.FastByteArrayOutputStream.toByteArrayUnsafe:()[B
invokespecial java.lang.String.<init>:([B)V
areturn
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 1 0 this Lorg/springframework/util/FastByteArrayOutputStream;
public int size();
descriptor: ()I
flags: (0x0001) ACC_PUBLIC
Code:
stack=2, locals=1, args_size=1
start local 0 0: aload 0
getfield org.springframework.util.FastByteArrayOutputStream.alreadyBufferedSize:I
aload 0
getfield org.springframework.util.FastByteArrayOutputStream.index:I
iadd
ireturn
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 1 0 this Lorg/springframework/util/FastByteArrayOutputStream;
public byte[] toByteArrayUnsafe();
descriptor: ()[B
flags: (0x0001) ACC_PUBLIC
Code:
stack=2, locals=2, args_size=1
start local 0 0: aload 0
invokevirtual org.springframework.util.FastByteArrayOutputStream.size:()I
istore 1
start local 1 1: iload 1
ifne 3
2: iconst_0
newarray 8
areturn
3: StackMap locals: int
StackMap stack:
aload 0
iload 1
invokevirtual org.springframework.util.FastByteArrayOutputStream.resize:(I)V
4: aload 0
getfield org.springframework.util.FastByteArrayOutputStream.buffers:Ljava/util/LinkedList;
invokevirtual java.util.LinkedList.getFirst:()Ljava/lang/Object;
checkcast byte[]
areturn
end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 5 0 this Lorg/springframework/util/FastByteArrayOutputStream;
1 5 1 totalSize I
public byte[] toByteArray();
descriptor: ()[B
flags: (0x0001) ACC_PUBLIC
Code:
stack=5, locals=3, args_size=1
start local 0 0: aload 0
invokevirtual org.springframework.util.FastByteArrayOutputStream.toByteArrayUnsafe:()[B
astore 1
start local 1 1: aload 1
arraylength
newarray 8
astore 2
start local 2 2: aload 1
iconst_0
aload 2
iconst_0
aload 1
arraylength
invokestatic java.lang.System.arraycopy:(Ljava/lang/Object;ILjava/lang/Object;II)V
3: aload 2
areturn
end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 4 0 this Lorg/springframework/util/FastByteArrayOutputStream;
1 4 1 bytesUnsafe [B
2 4 2 ret [B
public void reset();
descriptor: ()V
flags: (0x0001) ACC_PUBLIC
Code:
stack=2, locals=1, args_size=1
start local 0 0: aload 0
getfield org.springframework.util.FastByteArrayOutputStream.buffers:Ljava/util/LinkedList;
invokevirtual java.util.LinkedList.clear:()V
1: aload 0
aload 0
getfield org.springframework.util.FastByteArrayOutputStream.initialBlockSize:I
putfield org.springframework.util.FastByteArrayOutputStream.nextBlockSize:I
2: aload 0
iconst_0
putfield org.springframework.util.FastByteArrayOutputStream.closed:Z
3: aload 0
iconst_0
putfield org.springframework.util.FastByteArrayOutputStream.index:I
4: aload 0
iconst_0
putfield org.springframework.util.FastByteArrayOutputStream.alreadyBufferedSize:I
5: return
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 6 0 this Lorg/springframework/util/FastByteArrayOutputStream;
public java.io.InputStream getInputStream();
descriptor: ()Ljava/io/InputStream;
flags: (0x0001) ACC_PUBLIC
Code:
stack=3, locals=1, args_size=1
start local 0 0: new org.springframework.util.FastByteArrayOutputStream$FastByteArrayInputStream
dup
aload 0
invokespecial org.springframework.util.FastByteArrayOutputStream$FastByteArrayInputStream.<init>:(Lorg/springframework/util/FastByteArrayOutputStream;)V
areturn
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 1 0 this Lorg/springframework/util/FastByteArrayOutputStream;
public void writeTo(java.io.OutputStream);
descriptor: (Ljava/io/OutputStream;)V
flags: (0x0001) ACC_PUBLIC
Code:
stack=4, locals=4, args_size=2
start local 0 start local 1 0: aload 0
getfield org.springframework.util.FastByteArrayOutputStream.buffers:Ljava/util/LinkedList;
invokevirtual java.util.LinkedList.iterator:()Ljava/util/Iterator;
astore 2
start local 2 1: goto 7
2: StackMap locals: java.util.Iterator
StackMap stack:
aload 2
invokeinterface java.util.Iterator.next:()Ljava/lang/Object;
checkcast byte[]
astore 3
start local 3 3: aload 2
invokeinterface java.util.Iterator.hasNext:()Z
ifeq 6
4: aload 1
aload 3
iconst_0
aload 3
arraylength
invokevirtual java.io.OutputStream.write:([BII)V
5: goto 7
6: StackMap locals: byte[]
StackMap stack:
aload 1
aload 3
iconst_0
aload 0
getfield org.springframework.util.FastByteArrayOutputStream.index:I
invokevirtual java.io.OutputStream.write:([BII)V
end local 3 7: StackMap locals:
StackMap stack:
aload 2
invokeinterface java.util.Iterator.hasNext:()Z
ifne 2
8: return
end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 9 0 this Lorg/springframework/util/FastByteArrayOutputStream;
0 9 1 out Ljava/io/OutputStream;
1 9 2 it Ljava/util/Iterator<[B>;
3 7 3 bytes [B
Exceptions:
throws java.io.IOException
MethodParameters:
Name Flags
out
public void resize(int);
descriptor: (I)V
flags: (0x0001) ACC_PUBLIC
Code:
stack=5, locals=7, args_size=2
start local 0 start local 1 0: iload 1
aload 0
invokevirtual org.springframework.util.FastByteArrayOutputStream.size:()I
if_icmplt 1
iconst_1
goto 2
StackMap locals:
StackMap stack:
1: iconst_0
StackMap locals:
StackMap stack: int
2: ldc "New capacity must not be smaller than current size"
invokestatic org.springframework.util.Assert.isTrue:(ZLjava/lang/String;)V
3: aload 0
getfield org.springframework.util.FastByteArrayOutputStream.buffers:Ljava/util/LinkedList;
invokevirtual java.util.LinkedList.peekFirst:()Ljava/lang/Object;
ifnonnull 6
4: aload 0
iload 1
aload 0
invokevirtual org.springframework.util.FastByteArrayOutputStream.size:()I
isub
putfield org.springframework.util.FastByteArrayOutputStream.nextBlockSize:I
5: goto 23
6: StackMap locals:
StackMap stack:
aload 0
invokevirtual org.springframework.util.FastByteArrayOutputStream.size:()I
iload 1
if_icmpne 7
aload 0
getfield org.springframework.util.FastByteArrayOutputStream.buffers:Ljava/util/LinkedList;
invokevirtual java.util.LinkedList.getFirst:()Ljava/lang/Object;
checkcast byte[]
arraylength
iload 1
if_icmpeq 23
7: StackMap locals:
StackMap stack:
aload 0
invokevirtual org.springframework.util.FastByteArrayOutputStream.size:()I
istore 2
start local 2 8: iload 1
newarray 8
astore 3
start local 3 9: iconst_0
istore 4
start local 4 10: aload 0
getfield org.springframework.util.FastByteArrayOutputStream.buffers:Ljava/util/LinkedList;
invokevirtual java.util.LinkedList.iterator:()Ljava/util/Iterator;
astore 5
start local 5 11: goto 18
12: StackMap locals: org.springframework.util.FastByteArrayOutputStream int int byte[] int java.util.Iterator
StackMap stack:
aload 5
invokeinterface java.util.Iterator.next:()Ljava/lang/Object;
checkcast byte[]
astore 6
start local 6 13: aload 5
invokeinterface java.util.Iterator.hasNext:()Z
ifeq 17
14: aload 6
iconst_0
aload 3
iload 4
aload 6
arraylength
invokestatic java.lang.System.arraycopy:(Ljava/lang/Object;ILjava/lang/Object;II)V
15: iload 4
aload 6
arraylength
iadd
istore 4
16: goto 18
17: StackMap locals: byte[]
StackMap stack:
aload 6
iconst_0
aload 3
iload 4
aload 0
getfield org.springframework.util.FastByteArrayOutputStream.index:I
invokestatic java.lang.System.arraycopy:(Ljava/lang/Object;ILjava/lang/Object;II)V
end local 6 18: StackMap locals:
StackMap stack:
aload 5
invokeinterface java.util.Iterator.hasNext:()Z
ifne 12
19: aload 0
getfield org.springframework.util.FastByteArrayOutputStream.buffers:Ljava/util/LinkedList;
invokevirtual java.util.LinkedList.clear:()V
20: aload 0
getfield org.springframework.util.FastByteArrayOutputStream.buffers:Ljava/util/LinkedList;
aload 3
invokevirtual java.util.LinkedList.add:(Ljava/lang/Object;)Z
pop
21: aload 0
iload 2
putfield org.springframework.util.FastByteArrayOutputStream.index:I
22: aload 0
iconst_0
putfield org.springframework.util.FastByteArrayOutputStream.alreadyBufferedSize:I
end local 5 end local 4 end local 3 end local 2 23: StackMap locals: org.springframework.util.FastByteArrayOutputStream int
StackMap stack:
return
end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 24 0 this Lorg/springframework/util/FastByteArrayOutputStream;
0 24 1 targetCapacity I
8 23 2 totalSize I
9 23 3 data [B
10 23 4 pos I
11 23 5 it Ljava/util/Iterator<[B>;
13 18 6 bytes [B
MethodParameters:
Name Flags
targetCapacity
private void addBuffer(int);
descriptor: (I)V
flags: (0x0002) ACC_PRIVATE
Code:
stack=3, locals=2, args_size=2
start local 0 start local 1 0: aload 0
getfield org.springframework.util.FastByteArrayOutputStream.buffers:Ljava/util/LinkedList;
invokevirtual java.util.LinkedList.peekLast:()Ljava/lang/Object;
ifnull 3
1: aload 0
dup
getfield org.springframework.util.FastByteArrayOutputStream.alreadyBufferedSize:I
aload 0
getfield org.springframework.util.FastByteArrayOutputStream.index:I
iadd
putfield org.springframework.util.FastByteArrayOutputStream.alreadyBufferedSize:I
2: aload 0
iconst_0
putfield org.springframework.util.FastByteArrayOutputStream.index:I
3: StackMap locals:
StackMap stack:
aload 0
getfield org.springframework.util.FastByteArrayOutputStream.nextBlockSize:I
iload 1
if_icmpge 5
4: aload 0
iload 1
invokestatic org.springframework.util.FastByteArrayOutputStream.nextPowerOf2:(I)I
putfield org.springframework.util.FastByteArrayOutputStream.nextBlockSize:I
5: StackMap locals:
StackMap stack:
aload 0
getfield org.springframework.util.FastByteArrayOutputStream.buffers:Ljava/util/LinkedList;
aload 0
getfield org.springframework.util.FastByteArrayOutputStream.nextBlockSize:I
newarray 8
invokevirtual java.util.LinkedList.add:(Ljava/lang/Object;)Z
pop
6: aload 0
dup
getfield org.springframework.util.FastByteArrayOutputStream.nextBlockSize:I
iconst_2
imul
putfield org.springframework.util.FastByteArrayOutputStream.nextBlockSize:I
7: return
end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 8 0 this Lorg/springframework/util/FastByteArrayOutputStream;
0 8 1 minCapacity I
MethodParameters:
Name Flags
minCapacity
private static int nextPowerOf2(int);
descriptor: (I)I
flags: (0x000a) ACC_PRIVATE, ACC_STATIC
Code:
stack=2, locals=1, args_size=1
start local 0 0: iinc 0 -1
1: iload 0
iconst_1
ishr
iload 0
ior
istore 0
2: iload 0
iconst_2
ishr
iload 0
ior
istore 0
3: iload 0
iconst_4
ishr
iload 0
ior
istore 0
4: iload 0
bipush 8
ishr
iload 0
ior
istore 0
5: iload 0
bipush 16
ishr
iload 0
ior
istore 0
6: iinc 0 1
7: iload 0
ireturn
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 8 0 val I
MethodParameters:
Name Flags
val
}
SourceFile: "FastByteArrayOutputStream.java"
NestMembers:
org.springframework.util.FastByteArrayOutputStream$FastByteArrayInputStream
InnerClasses:
private final FastByteArrayInputStream = org.springframework.util.FastByteArrayOutputStream$FastByteArrayInputStream of org.springframework.util.FastByteArrayOutputStream