public abstract class java.io.Reader implements java.lang.Readable, java.io.Closeable
minor version: 0
major version: 59
flags: flags: (0x0421) ACC_PUBLIC, ACC_SUPER, ACC_ABSTRACT
this_class: java.io.Reader
super_class: java.lang.Object
{
private static final int TRANSFER_BUFFER_SIZE;
descriptor: I
flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
ConstantValue: 8192
protected java.lang.Object lock;
descriptor: Ljava/lang/Object;
flags: (0x0004) ACC_PROTECTED
private static final int maxSkipBufferSize;
descriptor: I
flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
ConstantValue: 8192
private char[] skipBuffer;
descriptor: [C
flags: (0x0002) ACC_PRIVATE
public static java.io.Reader nullReader();
descriptor: ()Ljava/io/Reader;
flags: (0x0009) ACC_PUBLIC, ACC_STATIC
Code:
stack=2, locals=0, args_size=0
0: new java.io.Reader$1
dup
invokespecial java.io.Reader$1.<init>:()V
areturn
LocalVariableTable:
Start End Slot Name Signature
protected void <init>();
descriptor: ()V
flags: (0x0004) ACC_PROTECTED
Code:
stack=2, locals=1, args_size=1
start local 0 0: aload 0
invokespecial java.lang.Object.<init>:()V
1: aload 0
aconst_null
putfield java.io.Reader.skipBuffer:[C
2: aload 0
aload 0
putfield java.io.Reader.lock:Ljava/lang/Object;
3: return
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 4 0 this Ljava/io/Reader;
protected void <init>(java.lang.Object);
descriptor: (Ljava/lang/Object;)V
flags: (0x0004) ACC_PROTECTED
Code:
stack=2, locals=2, args_size=2
start local 0 start local 1 0: aload 0
invokespecial java.lang.Object.<init>:()V
1: aload 0
aconst_null
putfield java.io.Reader.skipBuffer:[C
2: aload 1
ifnonnull 4
3: new java.lang.NullPointerException
dup
invokespecial java.lang.NullPointerException.<init>:()V
athrow
4: StackMap locals: java.io.Reader java.lang.Object
StackMap stack:
aload 0
aload 1
putfield java.io.Reader.lock:Ljava/lang/Object;
5: return
end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 6 0 this Ljava/io/Reader;
0 6 1 lock Ljava/lang/Object;
MethodParameters:
Name Flags
lock
public int read(java.nio.CharBuffer);
descriptor: (Ljava/nio/CharBuffer;)I
flags: (0x0001) ACC_PUBLIC
Code:
stack=4, locals=5, args_size=2
start local 0 start local 1 0: aload 1
invokevirtual java.nio.CharBuffer.remaining:()I
istore 2
start local 2 1: iload 2
newarray 5
astore 3
start local 3 2: aload 0
aload 3
iconst_0
iload 2
invokevirtual java.io.Reader.read:([CII)I
istore 4
start local 4 3: iload 4
ifle 5
4: aload 1
aload 3
iconst_0
iload 4
invokevirtual java.nio.CharBuffer.put:([CII)Ljava/nio/CharBuffer;
pop
5: StackMap locals: int char[] int
StackMap stack:
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 6 0 this Ljava/io/Reader;
0 6 1 target Ljava/nio/CharBuffer;
1 6 2 len I
2 6 3 cbuf [C
3 6 4 n I
Exceptions:
throws java.io.IOException
MethodParameters:
Name Flags
target
public int read();
descriptor: ()I
flags: (0x0001) ACC_PUBLIC
Code:
stack=4, locals=2, args_size=1
start local 0 0: iconst_1
newarray 5
astore 1
start local 1 1: aload 0
aload 1
iconst_0
iconst_1
invokevirtual java.io.Reader.read:([CII)I
iconst_m1
if_icmpne 3
2: iconst_m1
ireturn
3: StackMap locals: char[]
StackMap stack:
aload 1
iconst_0
caload
ireturn
end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 4 0 this Ljava/io/Reader;
1 4 1 cb [C
Exceptions:
throws java.io.IOException
public int read(char[]);
descriptor: ([C)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 java.io.Reader.read:([CII)I
ireturn
end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 1 0 this Ljava/io/Reader;
0 1 1 cbuf [C
Exceptions:
throws java.io.IOException
MethodParameters:
Name Flags
cbuf
public abstract int read(char[], int, int);
descriptor: ([CII)I
flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
Exceptions:
throws java.io.IOException
MethodParameters:
Name Flags
cbuf
off
len
public long skip(long);
descriptor: (J)J
flags: (0x0001) ACC_PUBLIC
Code:
stack=7, locals=8, args_size=2
start local 0 start local 1 0: lload 1
lconst_0
lcmp
ifge 2
1: new java.lang.IllegalArgumentException
dup
ldc "skip value is negative"
invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
athrow
2: StackMap locals:
StackMap stack:
lload 1
ldc 8192
invokestatic java.lang.Math.min:(JJ)J
l2i
istore 3
start local 3 3: aload 0
getfield java.io.Reader.lock:Ljava/lang/Object;
dup
astore 4
monitorenter
4: aload 0
getfield java.io.Reader.skipBuffer:[C
ifnull 5
aload 0
getfield java.io.Reader.skipBuffer:[C
arraylength
iload 3
if_icmpge 6
5: StackMap locals: int java.lang.Object
StackMap stack:
aload 0
iload 3
newarray 5
putfield java.io.Reader.skipBuffer:[C
6: StackMap locals:
StackMap stack:
lload 1
lstore 5
start local 5 7: goto 12
8: StackMap locals: long
StackMap stack:
aload 0
aload 0
getfield java.io.Reader.skipBuffer:[C
iconst_0
lload 5
iload 3
i2l
invokestatic java.lang.Math.min:(JJ)J
l2i
invokevirtual java.io.Reader.read:([CII)I
istore 7
start local 7 9: iload 7
iconst_m1
if_icmpne 11
10: goto 13
11: StackMap locals: int
StackMap stack:
lload 5
iload 7
i2l
lsub
lstore 5
end local 7 12: StackMap locals:
StackMap stack:
lload 5
lconst_0
lcmp
ifgt 8
13: StackMap locals:
StackMap stack:
lload 1
lload 5
lsub
aload 4
monitorexit
14: lreturn
end local 5 15: StackMap locals: java.io.Reader long int java.lang.Object
StackMap stack: java.lang.Throwable
aload 4
monitorexit
16: athrow
end local 3 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 17 0 this Ljava/io/Reader;
0 17 1 n J
3 17 3 nn I
7 15 5 r J
9 12 7 nc I
Exception table:
from to target type
4 14 15 any
15 16 15 any
Exceptions:
throws java.io.IOException
MethodParameters:
Name Flags
n
public boolean ready();
descriptor: ()Z
flags: (0x0001) ACC_PUBLIC
Code:
stack=1, locals=1, args_size=1
start local 0 0: iconst_0
ireturn
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 1 0 this Ljava/io/Reader;
Exceptions:
throws java.io.IOException
public boolean markSupported();
descriptor: ()Z
flags: (0x0001) ACC_PUBLIC
Code:
stack=1, locals=1, args_size=1
start local 0 0: iconst_0
ireturn
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 1 0 this Ljava/io/Reader;
public void mark(int);
descriptor: (I)V
flags: (0x0001) ACC_PUBLIC
Code:
stack=3, locals=2, args_size=2
start local 0 start local 1 0: new java.io.IOException
dup
ldc "mark() not supported"
invokespecial java.io.IOException.<init>:(Ljava/lang/String;)V
athrow
end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 1 0 this Ljava/io/Reader;
0 1 1 readAheadLimit I
Exceptions:
throws java.io.IOException
MethodParameters:
Name Flags
readAheadLimit
public void reset();
descriptor: ()V
flags: (0x0001) ACC_PUBLIC
Code:
stack=3, locals=1, args_size=1
start local 0 0: new java.io.IOException
dup
ldc "reset() not supported"
invokespecial java.io.IOException.<init>:(Ljava/lang/String;)V
athrow
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 1 0 this Ljava/io/Reader;
Exceptions:
throws java.io.IOException
public abstract void close();
descriptor: ()V
flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
Exceptions:
throws java.io.IOException
public long transferTo(java.io.Writer);
descriptor: (Ljava/io/Writer;)J
flags: (0x0001) ACC_PUBLIC
Code:
stack=4, locals=6, args_size=2
start local 0 start local 1 0: aload 1
ldc "out"
invokestatic java.util.Objects.requireNonNull:(Ljava/lang/Object;Ljava/lang/String;)Ljava/lang/Object;
pop
1: lconst_0
lstore 2
start local 2 2: sipush 8192
newarray 5
astore 4
start local 4 3: goto 6
start local 5 4: StackMap locals: long char[] int
StackMap stack:
aload 1
aload 4
iconst_0
iload 5
invokevirtual java.io.Writer.write:([CII)V
5: lload 2
iload 5
i2l
ladd
lstore 2
end local 5 6: StackMap locals:
StackMap stack:
aload 0
aload 4
iconst_0
sipush 8192
invokevirtual java.io.Reader.read:([CII)I
dup
istore 5
start local 5 7: ifge 4
8: lload 2
lreturn
end local 5 end local 4 end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 9 0 this Ljava/io/Reader;
0 9 1 out Ljava/io/Writer;
2 9 2 transferred J
3 9 4 buffer [C
4 6 5 nRead I
7 9 5 nRead I
Exceptions:
throws java.io.IOException
MethodParameters:
Name Flags
out
}
SourceFile: "Reader.java"
NestMembers:
java.io.Reader$1
InnerClasses:
java.io.Reader$1