public class java.io.FileOutputStream extends java.io.OutputStream
minor version: 0
major version: 59
flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
this_class: java.io.FileOutputStream
super_class: java.io.OutputStream
{
private java.io.FileDescriptor fd;
descriptor: Ljava/io/FileDescriptor;
flags: (0x0002) ACC_PRIVATE
private java.nio.channels.FileChannel channel;
descriptor: Ljava/nio/channels/FileChannel;
flags: (0x0002) ACC_PRIVATE
private boolean append;
descriptor: Z
flags: (0x0002) ACC_PRIVATE
private java.lang.Object closeLock;
descriptor: Ljava/lang/Object;
flags: (0x0002) ACC_PRIVATE
private volatile boolean closed;
descriptor: Z
flags: (0x0042) ACC_PRIVATE, ACC_VOLATILE
private static java.lang.ThreadLocal<java.lang.Boolean> runningFinalize;
descriptor: Ljava/lang/ThreadLocal;
flags: (0x000a) ACC_PRIVATE, ACC_STATIC
Signature: Ljava/lang/ThreadLocal<Ljava/lang/Boolean;>;
static void <clinit>();
descriptor: ()V
flags: (0x0008) ACC_STATIC
Code:
stack=2, locals=0, args_size=0
0: new java.lang.ThreadLocal
dup
invokespecial java.lang.ThreadLocal.<init>:()V
1: putstatic java.io.FileOutputStream.runningFinalize:Ljava/lang/ThreadLocal;
2: invokestatic java.io.FileOutputStream.initIDs:()V
3: return
LocalVariableTable:
Start End Slot Name Signature
private static boolean isRunningFinalize();
descriptor: ()Z
flags: (0x000a) ACC_PRIVATE, ACC_STATIC
Code:
stack=2, locals=1, args_size=0
0: getstatic java.io.FileOutputStream.runningFinalize:Ljava/lang/ThreadLocal;
invokevirtual java.lang.ThreadLocal.get:()Ljava/lang/Object;
checkcast java.lang.Boolean
dup
astore 0
start local 0 1: ifnull 3
2: aload 0
invokevirtual java.lang.Boolean.booleanValue:()Z
ireturn
3: StackMap locals: java.lang.Boolean
StackMap stack:
iconst_0
ireturn
end local 0 LocalVariableTable:
Start End Slot Name Signature
1 4 0 val Ljava/lang/Boolean;
public void <init>(java.lang.String);
descriptor: (Ljava/lang/String;)V
flags: (0x0001) ACC_PUBLIC
Code:
stack=4, locals=2, args_size=2
start local 0 start local 1 0: aload 0
aload 1
ifnull 1
new java.io.File
dup
aload 1
invokespecial java.io.File.<init>:(Ljava/lang/String;)V
goto 2
StackMap locals:
StackMap stack: uninitialized-this
1: aconst_null
StackMap locals: uninitialized-this java.lang.String
StackMap stack: uninitialized-this java.io.File
2: iconst_0
invokespecial java.io.FileOutputStream.<init>:(Ljava/io/File;Z)V
3: return
end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 4 0 this Ljava/io/FileOutputStream;
0 4 1 name Ljava/lang/String;
Exceptions:
throws java.io.FileNotFoundException
MethodParameters:
Name Flags
name
public void <init>(java.lang.String, boolean);
descriptor: (Ljava/lang/String;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
ifnull 1
new java.io.File
dup
aload 1
invokespecial java.io.File.<init>:(Ljava/lang/String;)V
goto 2
StackMap locals:
StackMap stack: uninitialized-this
1: aconst_null
StackMap locals: uninitialized-this java.lang.String int
StackMap stack: uninitialized-this java.io.File
2: iload 2
invokespecial java.io.FileOutputStream.<init>:(Ljava/io/File;Z)V
3: return
end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 4 0 this Ljava/io/FileOutputStream;
0 4 1 name Ljava/lang/String;
0 4 2 append Z
Exceptions:
throws java.io.FileNotFoundException
MethodParameters:
Name Flags
name
append
public void <init>(java.io.File);
descriptor: (Ljava/io/File;)V
flags: (0x0001) ACC_PUBLIC
Code:
stack=3, locals=2, args_size=2
start local 0 start local 1 0: aload 0
aload 1
iconst_0
invokespecial java.io.FileOutputStream.<init>:(Ljava/io/File;Z)V
1: return
end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 2 0 this Ljava/io/FileOutputStream;
0 2 1 file Ljava/io/File;
Exceptions:
throws java.io.FileNotFoundException
MethodParameters:
Name Flags
file
public void <init>(java.io.File, boolean);
descriptor: (Ljava/io/File;Z)V
flags: (0x0001) ACC_PUBLIC
Code:
stack=3, locals=5, args_size=3
start local 0 start local 1 start local 2 0: aload 0
invokespecial java.io.OutputStream.<init>:()V
1: aload 0
aconst_null
putfield java.io.FileOutputStream.channel:Ljava/nio/channels/FileChannel;
2: aload 0
iconst_0
putfield java.io.FileOutputStream.append:Z
3: aload 0
new java.lang.Object
dup
invokespecial java.lang.Object.<init>:()V
putfield java.io.FileOutputStream.closeLock:Ljava/lang/Object;
4: aload 0
iconst_0
putfield java.io.FileOutputStream.closed:Z
5: aload 1
ifnull 6
aload 1
invokevirtual java.io.File.getPath:()Ljava/lang/String;
goto 7
StackMap locals: java.io.FileOutputStream java.io.File int
StackMap stack:
6: aconst_null
StackMap locals:
StackMap stack: java.lang.String
7: astore 3
start local 3 8: invokestatic java.lang.System.getSecurityManager:()Ljava/lang/SecurityManager;
astore 4
start local 4 9: aload 4
ifnull 11
10: aload 4
aload 3
invokevirtual java.lang.SecurityManager.checkWrite:(Ljava/lang/String;)V
11: StackMap locals: java.lang.String java.lang.SecurityManager
StackMap stack:
aload 3
ifnonnull 13
12: new java.lang.NullPointerException
dup
invokespecial java.lang.NullPointerException.<init>:()V
athrow
13: StackMap locals:
StackMap stack:
aload 1
invokevirtual java.io.File.isInvalid:()Z
ifeq 15
14: new java.io.FileNotFoundException
dup
ldc "Invalid file path"
invokespecial java.io.FileNotFoundException.<init>:(Ljava/lang/String;)V
athrow
15: StackMap locals:
StackMap stack:
aload 0
new java.io.FileDescriptor
dup
invokespecial java.io.FileDescriptor.<init>:()V
putfield java.io.FileOutputStream.fd:Ljava/io/FileDescriptor;
16: aload 0
getfield java.io.FileOutputStream.fd:Ljava/io/FileDescriptor;
invokevirtual java.io.FileDescriptor.incrementAndGetUseCount:()I
pop
17: aload 0
iload 2
putfield java.io.FileOutputStream.append:Z
18: iload 2
ifeq 21
19: aload 0
aload 3
invokevirtual java.io.FileOutputStream.openAppend:(Ljava/lang/String;)V
20: goto 22
21: StackMap locals:
StackMap stack:
aload 0
aload 3
invokevirtual java.io.FileOutputStream.open:(Ljava/lang/String;)V
22: StackMap locals:
StackMap stack:
return
end local 4 end local 3 end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 23 0 this Ljava/io/FileOutputStream;
0 23 1 file Ljava/io/File;
0 23 2 append Z
8 23 3 name Ljava/lang/String;
9 23 4 security Ljava/lang/SecurityManager;
Exceptions:
throws java.io.FileNotFoundException
MethodParameters:
Name Flags
file
append
public void <init>(java.io.FileDescriptor);
descriptor: (Ljava/io/FileDescriptor;)V
flags: (0x0001) ACC_PUBLIC
Code:
stack=3, locals=3, args_size=2
start local 0 start local 1 0: aload 0
invokespecial java.io.OutputStream.<init>:()V
1: aload 0
aconst_null
putfield java.io.FileOutputStream.channel:Ljava/nio/channels/FileChannel;
2: aload 0
iconst_0
putfield java.io.FileOutputStream.append:Z
3: aload 0
new java.lang.Object
dup
invokespecial java.lang.Object.<init>:()V
putfield java.io.FileOutputStream.closeLock:Ljava/lang/Object;
4: aload 0
iconst_0
putfield java.io.FileOutputStream.closed:Z
5: invokestatic java.lang.System.getSecurityManager:()Ljava/lang/SecurityManager;
astore 2
start local 2 6: aload 1
ifnonnull 8
7: new java.lang.NullPointerException
dup
invokespecial java.lang.NullPointerException.<init>:()V
athrow
8: StackMap locals: java.io.FileOutputStream java.io.FileDescriptor java.lang.SecurityManager
StackMap stack:
aload 2
ifnull 10
9: aload 2
aload 1
invokevirtual java.lang.SecurityManager.checkWrite:(Ljava/io/FileDescriptor;)V
10: StackMap locals:
StackMap stack:
aload 0
aload 1
putfield java.io.FileOutputStream.fd:Ljava/io/FileDescriptor;
11: aload 0
getfield java.io.FileOutputStream.fd:Ljava/io/FileDescriptor;
invokevirtual java.io.FileDescriptor.incrementAndGetUseCount:()I
pop
12: return
end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 13 0 this Ljava/io/FileOutputStream;
0 13 1 fdObj Ljava/io/FileDescriptor;
6 13 2 security Ljava/lang/SecurityManager;
MethodParameters:
Name Flags
fdObj
private native void open(java.lang.String);
descriptor: (Ljava/lang/String;)V
flags: (0x0102) ACC_PRIVATE, ACC_NATIVE
Exceptions:
throws java.io.FileNotFoundException
MethodParameters:
Name Flags
name
private native void openAppend(java.lang.String);
descriptor: (Ljava/lang/String;)V
flags: (0x0102) ACC_PRIVATE, ACC_NATIVE
Exceptions:
throws java.io.FileNotFoundException
MethodParameters:
Name Flags
name
public native void write(int);
descriptor: (I)V
flags: (0x0101) ACC_PUBLIC, ACC_NATIVE
Exceptions:
throws java.io.IOException
MethodParameters:
Name Flags
b
private native void writeBytes(byte[], int, int);
descriptor: ([BII)V
flags: (0x0102) ACC_PRIVATE, ACC_NATIVE
Exceptions:
throws java.io.IOException
MethodParameters:
Name Flags
b
off
len
public void write(byte[]);
descriptor: ([B)V
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 java.io.FileOutputStream.writeBytes:([BII)V
1: return
end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 2 0 this Ljava/io/FileOutputStream;
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=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
invokevirtual java.io.FileOutputStream.writeBytes:([BII)V
1: return
end local 3 end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 2 0 this Ljava/io/FileOutputStream;
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 close();
descriptor: ()V
flags: (0x0001) ACC_PUBLIC
Code:
stack=2, locals=2, args_size=1
start local 0 0: aload 0
getfield java.io.FileOutputStream.closeLock:Ljava/lang/Object;
dup
astore 1
monitorenter
1: aload 0
getfield java.io.FileOutputStream.closed:Z
ifeq 4
2: aload 1
monitorexit
3: return
4: StackMap locals: java.lang.Object
StackMap stack:
aload 0
iconst_1
putfield java.io.FileOutputStream.closed:Z
5: aload 1
monitorexit
6: goto 9
StackMap locals:
StackMap stack: java.lang.Throwable
7: aload 1
monitorexit
8: athrow
9: StackMap locals:
StackMap stack:
aload 0
getfield java.io.FileOutputStream.channel:Ljava/nio/channels/FileChannel;
ifnull 12
10: aload 0
getfield java.io.FileOutputStream.fd:Ljava/io/FileDescriptor;
invokevirtual java.io.FileDescriptor.decrementAndGetUseCount:()I
pop
11: aload 0
getfield java.io.FileOutputStream.channel:Ljava/nio/channels/FileChannel;
invokevirtual java.nio.channels.FileChannel.close:()V
12: StackMap locals:
StackMap stack:
aload 0
getfield java.io.FileOutputStream.fd:Ljava/io/FileDescriptor;
invokevirtual java.io.FileDescriptor.decrementAndGetUseCount:()I
istore 1
start local 1 13: iload 1
ifle 14
invokestatic java.io.FileOutputStream.isRunningFinalize:()Z
ifne 15
14: StackMap locals: int
StackMap stack:
aload 0
invokevirtual java.io.FileOutputStream.close0:()V
15: StackMap locals:
StackMap stack:
return
end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 16 0 this Ljava/io/FileOutputStream;
13 16 1 useCount I
Exception table:
from to target type
1 3 7 any
4 6 7 any
7 8 7 any
Exceptions:
throws java.io.IOException
public final java.io.FileDescriptor getFD();
descriptor: ()Ljava/io/FileDescriptor;
flags: (0x0011) ACC_PUBLIC, ACC_FINAL
Code:
stack=2, locals=1, args_size=1
start local 0 0: aload 0
getfield java.io.FileOutputStream.fd:Ljava/io/FileDescriptor;
ifnull 1
aload 0
getfield java.io.FileOutputStream.fd:Ljava/io/FileDescriptor;
areturn
1: StackMap locals:
StackMap stack:
new java.io.IOException
dup
invokespecial java.io.IOException.<init>:()V
athrow
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 2 0 this Ljava/io/FileOutputStream;
Exceptions:
throws java.io.IOException
public java.nio.channels.FileChannel getChannel();
descriptor: ()Ljava/nio/channels/FileChannel;
flags: (0x0001) ACC_PUBLIC
Code:
stack=6, locals=2, args_size=1
start local 0 0: aload 0
dup
astore 1
monitorenter
1: aload 0
getfield java.io.FileOutputStream.channel:Ljava/nio/channels/FileChannel;
ifnonnull 4
2: aload 0
aload 0
getfield java.io.FileOutputStream.fd:Ljava/io/FileDescriptor;
iconst_0
iconst_1
aload 0
aload 0
getfield java.io.FileOutputStream.append:Z
invokestatic sun.nio.ch.FileChannelImpl.open:(Ljava/io/FileDescriptor;ZZLjava/lang/Object;Z)Ljava/nio/channels/FileChannel;
putfield java.io.FileOutputStream.channel:Ljava/nio/channels/FileChannel;
3: aload 0
getfield java.io.FileOutputStream.fd:Ljava/io/FileDescriptor;
invokevirtual java.io.FileDescriptor.incrementAndGetUseCount:()I
pop
4: StackMap locals: java.io.FileOutputStream
StackMap stack:
aload 0
getfield java.io.FileOutputStream.channel:Ljava/nio/channels/FileChannel;
aload 1
monitorexit
5: areturn
6: StackMap locals:
StackMap stack: java.lang.Throwable
aload 1
monitorexit
7: athrow
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 8 0 this Ljava/io/FileOutputStream;
Exception table:
from to target type
1 5 6 any
6 7 6 any
protected void finalize();
descriptor: ()V
flags: (0x0004) ACC_PROTECTED
Code:
stack=2, locals=2, args_size=1
start local 0 0: aload 0
getfield java.io.FileOutputStream.fd:Ljava/io/FileDescriptor;
ifnull 11
1: aload 0
getfield java.io.FileOutputStream.fd:Ljava/io/FileDescriptor;
getstatic java.io.FileDescriptor.out:Ljava/io/FileDescriptor;
if_acmpeq 2
aload 0
getfield java.io.FileOutputStream.fd:Ljava/io/FileDescriptor;
getstatic java.io.FileDescriptor.err:Ljava/io/FileDescriptor;
if_acmpne 4
2: StackMap locals:
StackMap stack:
aload 0
invokevirtual java.io.FileOutputStream.flush:()V
3: goto 11
4: StackMap locals:
StackMap stack:
getstatic java.io.FileOutputStream.runningFinalize:Ljava/lang/ThreadLocal;
getstatic java.lang.Boolean.TRUE:Ljava/lang/Boolean;
invokevirtual java.lang.ThreadLocal.set:(Ljava/lang/Object;)V
5: aload 0
invokevirtual java.io.FileOutputStream.close:()V
6: goto 10
StackMap locals:
StackMap stack: java.lang.Throwable
7: astore 1
8: getstatic java.io.FileOutputStream.runningFinalize:Ljava/lang/ThreadLocal;
getstatic java.lang.Boolean.FALSE:Ljava/lang/Boolean;
invokevirtual java.lang.ThreadLocal.set:(Ljava/lang/Object;)V
9: aload 1
athrow
10: StackMap locals:
StackMap stack:
getstatic java.io.FileOutputStream.runningFinalize:Ljava/lang/ThreadLocal;
getstatic java.lang.Boolean.FALSE:Ljava/lang/Boolean;
invokevirtual java.lang.ThreadLocal.set:(Ljava/lang/Object;)V
11: StackMap locals:
StackMap stack:
return
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 12 0 this Ljava/io/FileOutputStream;
Exception table:
from to target type
5 7 7 any
Exceptions:
throws java.io.IOException
private native void close0();
descriptor: ()V
flags: (0x0102) ACC_PRIVATE, ACC_NATIVE
Exceptions:
throws java.io.IOException
private static native void initIDs();
descriptor: ()V
flags: (0x010a) ACC_PRIVATE, ACC_STATIC, ACC_NATIVE
}
SourceFile: "FileOutputStream.java"