-
DataInputStream
-
bytearr: byte[]
-
chararr: char[]
-
readBuffer: byte[]
-
lineBuffer: char[]
-
<init>(InputStream): void
-
read(byte[]): int
-
read(byte[], int, int): int
-
readFully(byte[]): void
-
readFully(byte[], int, int): void
-
skipBytes(int): int
-
readBoolean(): boolean
-
readByte(): byte
-
readUnsignedByte(): int
-
readShort(): short
-
readUnsignedShort(): int
-
readChar(): char
-
readInt(): int
-
readLong(): long
-
readFloat(): float
-
readDouble(): double
-
readLine(): String
-
readUTF(): String
-
readUTF(DataInput): String
-
public class java.io.DataInputStream extends java.io.FilterInputStream implements java.io.DataInput
minor version: 0
major version: 59
flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
this_class: java.io.DataInputStream
super_class: java.io.FilterInputStream
{
private byte[] bytearr;
descriptor: [B
flags: (0x0002) ACC_PRIVATE
private char[] chararr;
descriptor: [C
flags: (0x0002) ACC_PRIVATE
private byte[] readBuffer;
descriptor: [B
flags: (0x0002) ACC_PRIVATE
private char[] lineBuffer;
descriptor: [C
flags: (0x0002) ACC_PRIVATE
public void <init>(java.io.InputStream);
descriptor: (Ljava/io/InputStream;)V
flags: (0x0001) ACC_PUBLIC
Code:
stack=2, locals=2, args_size=2
start local 0 // java.io.DataInputStream this
start local 1 // java.io.InputStream in
0: .line 52
aload 0 /* this */
aload 1 /* in */
invokespecial java.io.FilterInputStream.<init>:(Ljava/io/InputStream;)V
1: .line 58
aload 0 /* this */
bipush 80
newarray 8
putfield java.io.DataInputStream.bytearr:[B
2: .line 59
aload 0 /* this */
bipush 80
newarray 5
putfield java.io.DataInputStream.chararr:[C
3: .line 396
aload 0 /* this */
bipush 8
newarray 8
putfield java.io.DataInputStream.readBuffer:[B
4: .line 53
return
end local 1 // java.io.InputStream in
end local 0 // java.io.DataInputStream this
LocalVariableTable:
Start End Slot Name Signature
0 5 0 this Ljava/io/DataInputStream;
0 5 1 in Ljava/io/InputStream;
MethodParameters:
Name Flags
in
public final int read(byte[]);
descriptor: ([B)I
flags: (0x0011) ACC_PUBLIC, ACC_FINAL
Code:
stack=4, locals=2, args_size=2
start local 0 // java.io.DataInputStream this
start local 1 // byte[] b
0: .line 100
aload 0 /* this */
getfield java.io.DataInputStream.in:Ljava/io/InputStream;
aload 1 /* b */
iconst_0
aload 1 /* b */
arraylength
invokevirtual java.io.InputStream.read:([BII)I
ireturn
end local 1 // byte[] b
end local 0 // java.io.DataInputStream this
LocalVariableTable:
Start End Slot Name Signature
0 1 0 this Ljava/io/DataInputStream;
0 1 1 b [B
Exceptions:
throws java.io.IOException
MethodParameters:
Name Flags
b
public final int read(byte[], int, int);
descriptor: ([BII)I
flags: (0x0011) ACC_PUBLIC, ACC_FINAL
Code:
stack=4, locals=4, args_size=4
start local 0 // java.io.DataInputStream this
start local 1 // byte[] b
start local 2 // int off
start local 3 // int len
0: .line 149
aload 0 /* this */
getfield java.io.DataInputStream.in:Ljava/io/InputStream;
aload 1 /* b */
iload 2 /* off */
iload 3 /* len */
invokevirtual java.io.InputStream.read:([BII)I
ireturn
end local 3 // int len
end local 2 // int off
end local 1 // byte[] b
end local 0 // java.io.DataInputStream this
LocalVariableTable:
Start End Slot Name Signature
0 1 0 this Ljava/io/DataInputStream;
0 1 1 b [B
0 1 2 off I
0 1 3 len I
Exceptions:
throws java.io.IOException
MethodParameters:
Name Flags
b
off
len
public final void readFully(byte[]);
descriptor: ([B)V
flags: (0x0011) ACC_PUBLIC, ACC_FINAL
Code:
stack=4, locals=2, args_size=2
start local 0 // java.io.DataInputStream this
start local 1 // byte[] b
0: .line 169
aload 0 /* this */
aload 1 /* b */
iconst_0
aload 1 /* b */
arraylength
invokevirtual java.io.DataInputStream.readFully:([BII)V
1: .line 170
return
end local 1 // byte[] b
end local 0 // java.io.DataInputStream this
LocalVariableTable:
Start End Slot Name Signature
0 2 0 this Ljava/io/DataInputStream;
0 2 1 b [B
Exceptions:
throws java.io.IOException
MethodParameters:
Name Flags
b
public final void readFully(byte[], int, int);
descriptor: ([BII)V
flags: (0x0011) ACC_PUBLIC, ACC_FINAL
Code:
stack=5, locals=6, args_size=4
start local 0 // java.io.DataInputStream this
start local 1 // byte[] b
start local 2 // int off
start local 3 // int len
0: .line 191
iload 3 /* len */
ifge 2
1: .line 192
new java.lang.IndexOutOfBoundsException
dup
invokespecial java.lang.IndexOutOfBoundsException.<init>:()V
athrow
2: .line 193
StackMap locals:
StackMap stack:
iconst_0
istore 4 /* n */
start local 4 // int n
3: .line 194
goto 8
4: .line 195
StackMap locals: int
StackMap stack:
aload 0 /* this */
getfield java.io.DataInputStream.in:Ljava/io/InputStream;
aload 1 /* b */
iload 2 /* off */
iload 4 /* n */
iadd
iload 3 /* len */
iload 4 /* n */
isub
invokevirtual java.io.InputStream.read:([BII)I
istore 5 /* count */
start local 5 // int count
5: .line 196
iload 5 /* count */
ifge 7
6: .line 197
new java.io.EOFException
dup
invokespecial java.io.EOFException.<init>:()V
athrow
7: .line 198
StackMap locals: int
StackMap stack:
iload 4 /* n */
iload 5 /* count */
iadd
istore 4 /* n */
end local 5 // int count
8: .line 194
StackMap locals:
StackMap stack:
iload 4 /* n */
iload 3 /* len */
if_icmplt 4
9: .line 200
return
end local 4 // int n
end local 3 // int len
end local 2 // int off
end local 1 // byte[] b
end local 0 // java.io.DataInputStream this
LocalVariableTable:
Start End Slot Name Signature
0 10 0 this Ljava/io/DataInputStream;
0 10 1 b [B
0 10 2 off I
0 10 3 len I
3 10 4 n I
5 8 5 count I
Exceptions:
throws java.io.IOException
MethodParameters:
Name Flags
b
off
len
public final int skipBytes(int);
descriptor: (I)I
flags: (0x0011) ACC_PUBLIC, ACC_FINAL
Code:
stack=3, locals=4, args_size=2
start local 0 // java.io.DataInputStream this
start local 1 // int n
0: .line 217
iconst_0
istore 2 /* total */
start local 2 // int total
1: .line 218
iconst_0
istore 3 /* cur */
start local 3 // int cur
2: .line 220
goto 4
3: .line 221
StackMap locals: int int
StackMap stack:
iload 2 /* total */
iload 3 /* cur */
iadd
istore 2 /* total */
4: .line 220
StackMap locals:
StackMap stack:
iload 2 /* total */
iload 1 /* n */
if_icmpge 5
aload 0 /* this */
getfield java.io.DataInputStream.in:Ljava/io/InputStream;
iload 1 /* n */
iload 2 /* total */
isub
i2l
invokevirtual java.io.InputStream.skip:(J)J
l2i
dup
istore 3 /* cur */
ifgt 3
5: .line 224
StackMap locals:
StackMap stack:
iload 2 /* total */
ireturn
end local 3 // int cur
end local 2 // int total
end local 1 // int n
end local 0 // java.io.DataInputStream this
LocalVariableTable:
Start End Slot Name Signature
0 6 0 this Ljava/io/DataInputStream;
0 6 1 n I
1 6 2 total I
2 6 3 cur I
Exceptions:
throws java.io.IOException
MethodParameters:
Name Flags
n
public final boolean readBoolean();
descriptor: ()Z
flags: (0x0011) ACC_PUBLIC, ACC_FINAL
Code:
stack=2, locals=2, args_size=1
start local 0 // java.io.DataInputStream this
0: .line 242
aload 0 /* this */
getfield java.io.DataInputStream.in:Ljava/io/InputStream;
invokevirtual java.io.InputStream.read:()I
istore 1 /* ch */
start local 1 // int ch
1: .line 243
iload 1 /* ch */
ifge 3
2: .line 244
new java.io.EOFException
dup
invokespecial java.io.EOFException.<init>:()V
athrow
3: .line 245
StackMap locals: int
StackMap stack:
iload 1 /* ch */
ifeq 4
iconst_1
ireturn
StackMap locals:
StackMap stack:
4: iconst_0
ireturn
end local 1 // int ch
end local 0 // java.io.DataInputStream this
LocalVariableTable:
Start End Slot Name Signature
0 5 0 this Ljava/io/DataInputStream;
1 5 1 ch I
Exceptions:
throws java.io.IOException
public final byte readByte();
descriptor: ()B
flags: (0x0011) ACC_PUBLIC, ACC_FINAL
Code:
stack=2, locals=2, args_size=1
start local 0 // java.io.DataInputStream this
0: .line 265
aload 0 /* this */
getfield java.io.DataInputStream.in:Ljava/io/InputStream;
invokevirtual java.io.InputStream.read:()I
istore 1 /* ch */
start local 1 // int ch
1: .line 266
iload 1 /* ch */
ifge 3
2: .line 267
new java.io.EOFException
dup
invokespecial java.io.EOFException.<init>:()V
athrow
3: .line 268
StackMap locals: int
StackMap stack:
iload 1 /* ch */
i2b
ireturn
end local 1 // int ch
end local 0 // java.io.DataInputStream this
LocalVariableTable:
Start End Slot Name Signature
0 4 0 this Ljava/io/DataInputStream;
1 4 1 ch I
Exceptions:
throws java.io.IOException
public final int readUnsignedByte();
descriptor: ()I
flags: (0x0011) ACC_PUBLIC, ACC_FINAL
Code:
stack=2, locals=2, args_size=1
start local 0 // java.io.DataInputStream this
0: .line 288
aload 0 /* this */
getfield java.io.DataInputStream.in:Ljava/io/InputStream;
invokevirtual java.io.InputStream.read:()I
istore 1 /* ch */
start local 1 // int ch
1: .line 289
iload 1 /* ch */
ifge 3
2: .line 290
new java.io.EOFException
dup
invokespecial java.io.EOFException.<init>:()V
athrow
3: .line 291
StackMap locals: int
StackMap stack:
iload 1 /* ch */
ireturn
end local 1 // int ch
end local 0 // java.io.DataInputStream this
LocalVariableTable:
Start End Slot Name Signature
0 4 0 this Ljava/io/DataInputStream;
1 4 1 ch I
Exceptions:
throws java.io.IOException
public final short readShort();
descriptor: ()S
flags: (0x0011) ACC_PUBLIC, ACC_FINAL
Code:
stack=3, locals=3, args_size=1
start local 0 // java.io.DataInputStream this
0: .line 312
aload 0 /* this */
getfield java.io.DataInputStream.in:Ljava/io/InputStream;
invokevirtual java.io.InputStream.read:()I
istore 1 /* ch1 */
start local 1 // int ch1
1: .line 313
aload 0 /* this */
getfield java.io.DataInputStream.in:Ljava/io/InputStream;
invokevirtual java.io.InputStream.read:()I
istore 2 /* ch2 */
start local 2 // int ch2
2: .line 314
iload 1 /* ch1 */
iload 2 /* ch2 */
ior
ifge 4
3: .line 315
new java.io.EOFException
dup
invokespecial java.io.EOFException.<init>:()V
athrow
4: .line 316
StackMap locals: int int
StackMap stack:
iload 1 /* ch1 */
bipush 8
ishl
iload 2 /* ch2 */
iconst_0
ishl
iadd
i2s
ireturn
end local 2 // int ch2
end local 1 // int ch1
end local 0 // java.io.DataInputStream this
LocalVariableTable:
Start End Slot Name Signature
0 5 0 this Ljava/io/DataInputStream;
1 5 1 ch1 I
2 5 2 ch2 I
Exceptions:
throws java.io.IOException
public final int readUnsignedShort();
descriptor: ()I
flags: (0x0011) ACC_PUBLIC, ACC_FINAL
Code:
stack=3, locals=3, args_size=1
start local 0 // java.io.DataInputStream this
0: .line 337
aload 0 /* this */
getfield java.io.DataInputStream.in:Ljava/io/InputStream;
invokevirtual java.io.InputStream.read:()I
istore 1 /* ch1 */
start local 1 // int ch1
1: .line 338
aload 0 /* this */
getfield java.io.DataInputStream.in:Ljava/io/InputStream;
invokevirtual java.io.InputStream.read:()I
istore 2 /* ch2 */
start local 2 // int ch2
2: .line 339
iload 1 /* ch1 */
iload 2 /* ch2 */
ior
ifge 4
3: .line 340
new java.io.EOFException
dup
invokespecial java.io.EOFException.<init>:()V
athrow
4: .line 341
StackMap locals: int int
StackMap stack:
iload 1 /* ch1 */
bipush 8
ishl
iload 2 /* ch2 */
iconst_0
ishl
iadd
ireturn
end local 2 // int ch2
end local 1 // int ch1
end local 0 // java.io.DataInputStream this
LocalVariableTable:
Start End Slot Name Signature
0 5 0 this Ljava/io/DataInputStream;
1 5 1 ch1 I
2 5 2 ch2 I
Exceptions:
throws java.io.IOException
public final char readChar();
descriptor: ()C
flags: (0x0011) ACC_PUBLIC, ACC_FINAL
Code:
stack=3, locals=3, args_size=1
start local 0 // java.io.DataInputStream this
0: .line 362
aload 0 /* this */
getfield java.io.DataInputStream.in:Ljava/io/InputStream;
invokevirtual java.io.InputStream.read:()I
istore 1 /* ch1 */
start local 1 // int ch1
1: .line 363
aload 0 /* this */
getfield java.io.DataInputStream.in:Ljava/io/InputStream;
invokevirtual java.io.InputStream.read:()I
istore 2 /* ch2 */
start local 2 // int ch2
2: .line 364
iload 1 /* ch1 */
iload 2 /* ch2 */
ior
ifge 4
3: .line 365
new java.io.EOFException
dup
invokespecial java.io.EOFException.<init>:()V
athrow
4: .line 366
StackMap locals: int int
StackMap stack:
iload 1 /* ch1 */
bipush 8
ishl
iload 2 /* ch2 */
iconst_0
ishl
iadd
i2c
ireturn
end local 2 // int ch2
end local 1 // int ch1
end local 0 // java.io.DataInputStream this
LocalVariableTable:
Start End Slot Name Signature
0 5 0 this Ljava/io/DataInputStream;
1 5 1 ch1 I
2 5 2 ch2 I
Exceptions:
throws java.io.IOException
public final int readInt();
descriptor: ()I
flags: (0x0011) ACC_PUBLIC, ACC_FINAL
Code:
stack=3, locals=5, args_size=1
start local 0 // java.io.DataInputStream this
0: .line 387
aload 0 /* this */
getfield java.io.DataInputStream.in:Ljava/io/InputStream;
invokevirtual java.io.InputStream.read:()I
istore 1 /* ch1 */
start local 1 // int ch1
1: .line 388
aload 0 /* this */
getfield java.io.DataInputStream.in:Ljava/io/InputStream;
invokevirtual java.io.InputStream.read:()I
istore 2 /* ch2 */
start local 2 // int ch2
2: .line 389
aload 0 /* this */
getfield java.io.DataInputStream.in:Ljava/io/InputStream;
invokevirtual java.io.InputStream.read:()I
istore 3 /* ch3 */
start local 3 // int ch3
3: .line 390
aload 0 /* this */
getfield java.io.DataInputStream.in:Ljava/io/InputStream;
invokevirtual java.io.InputStream.read:()I
istore 4 /* ch4 */
start local 4 // int ch4
4: .line 391
iload 1 /* ch1 */
iload 2 /* ch2 */
ior
iload 3 /* ch3 */
ior
iload 4 /* ch4 */
ior
ifge 6
5: .line 392
new java.io.EOFException
dup
invokespecial java.io.EOFException.<init>:()V
athrow
6: .line 393
StackMap locals: java.io.DataInputStream int int int int
StackMap stack:
iload 1 /* ch1 */
bipush 24
ishl
iload 2 /* ch2 */
bipush 16
ishl
iadd
iload 3 /* ch3 */
bipush 8
ishl
iadd
iload 4 /* ch4 */
iconst_0
ishl
iadd
ireturn
end local 4 // int ch4
end local 3 // int ch3
end local 2 // int ch2
end local 1 // int ch1
end local 0 // java.io.DataInputStream this
LocalVariableTable:
Start End Slot Name Signature
0 7 0 this Ljava/io/DataInputStream;
1 7 1 ch1 I
2 7 2 ch2 I
3 7 3 ch3 I
4 7 4 ch4 I
Exceptions:
throws java.io.IOException
public final long readLong();
descriptor: ()J
flags: (0x0011) ACC_PUBLIC, ACC_FINAL
Code:
stack=5, locals=1, args_size=1
start local 0 // java.io.DataInputStream this
0: .line 416
aload 0 /* this */
aload 0 /* this */
getfield java.io.DataInputStream.readBuffer:[B
iconst_0
bipush 8
invokevirtual java.io.DataInputStream.readFully:([BII)V
1: .line 417
aload 0 /* this */
getfield java.io.DataInputStream.readBuffer:[B
iconst_0
baload
i2l
bipush 56
lshl
2: .line 418
aload 0 /* this */
getfield java.io.DataInputStream.readBuffer:[B
iconst_1
baload
sipush 255
iand
i2l
bipush 48
lshl
3: .line 417
ladd
4: .line 419
aload 0 /* this */
getfield java.io.DataInputStream.readBuffer:[B
iconst_2
baload
sipush 255
iand
i2l
bipush 40
lshl
5: .line 417
ladd
6: .line 420
aload 0 /* this */
getfield java.io.DataInputStream.readBuffer:[B
iconst_3
baload
sipush 255
iand
i2l
bipush 32
lshl
7: .line 417
ladd
8: .line 421
aload 0 /* this */
getfield java.io.DataInputStream.readBuffer:[B
iconst_4
baload
sipush 255
iand
i2l
bipush 24
lshl
9: .line 417
ladd
10: .line 422
aload 0 /* this */
getfield java.io.DataInputStream.readBuffer:[B
iconst_5
baload
sipush 255
iand
bipush 16
ishl
i2l
11: .line 417
ladd
12: .line 423
aload 0 /* this */
getfield java.io.DataInputStream.readBuffer:[B
bipush 6
baload
sipush 255
iand
bipush 8
ishl
i2l
13: .line 417
ladd
14: .line 424
aload 0 /* this */
getfield java.io.DataInputStream.readBuffer:[B
bipush 7
baload
sipush 255
iand
iconst_0
ishl
i2l
15: .line 417
ladd
lreturn
end local 0 // java.io.DataInputStream this
LocalVariableTable:
Start End Slot Name Signature
0 16 0 this Ljava/io/DataInputStream;
Exceptions:
throws java.io.IOException
public final float readFloat();
descriptor: ()F
flags: (0x0011) ACC_PUBLIC, ACC_FINAL
Code:
stack=1, locals=1, args_size=1
start local 0 // java.io.DataInputStream this
0: .line 446
aload 0 /* this */
invokevirtual java.io.DataInputStream.readInt:()I
invokestatic java.lang.Float.intBitsToFloat:(I)F
freturn
end local 0 // java.io.DataInputStream this
LocalVariableTable:
Start End Slot Name Signature
0 1 0 this Ljava/io/DataInputStream;
Exceptions:
throws java.io.IOException
public final double readDouble();
descriptor: ()D
flags: (0x0011) ACC_PUBLIC, ACC_FINAL
Code:
stack=2, locals=1, args_size=1
start local 0 // java.io.DataInputStream this
0: .line 468
aload 0 /* this */
invokevirtual java.io.DataInputStream.readLong:()J
invokestatic java.lang.Double.longBitsToDouble:(J)D
dreturn
end local 0 // java.io.DataInputStream this
LocalVariableTable:
Start End Slot Name Signature
0 1 0 this Ljava/io/DataInputStream;
Exceptions:
throws java.io.IOException
public final java.lang.String readLine();
descriptor: ()Ljava/lang/String;
flags: (0x0011) ACC_PUBLIC, ACC_FINAL
Code:
stack=5, locals=6, args_size=1
start local 0 // java.io.DataInputStream this
0: .line 502
aload 0 /* this */
getfield java.io.DataInputStream.lineBuffer:[C
astore 1 /* buf */
start local 1 // char[] buf
1: .line 504
aload 1 /* buf */
ifnonnull 3
2: .line 505
aload 0 /* this */
sipush 128
newarray 5
dup_x1
putfield java.io.DataInputStream.lineBuffer:[C
astore 1 /* buf */
3: .line 508
StackMap locals: char[]
StackMap stack:
aload 1 /* buf */
arraylength
istore 2 /* room */
start local 2 // int room
4: .line 509
iconst_0
istore 3 /* offset */
start local 3 // int offset
5: .line 513
StackMap locals: int int
StackMap stack:
aload 0 /* this */
getfield java.io.DataInputStream.in:Ljava/io/InputStream;
invokevirtual java.io.InputStream.read:()I
dup
istore 4 /* c */
start local 4 // int c
6: lookupswitch { // 3
-1: 7
10: 7
13: 8
default: 14
}
7: .line 516
StackMap locals: int
StackMap stack:
goto 21
8: .line 519
StackMap locals:
StackMap stack:
aload 0 /* this */
getfield java.io.DataInputStream.in:Ljava/io/InputStream;
invokevirtual java.io.InputStream.read:()I
istore 5 /* c2 */
start local 5 // int c2
9: .line 520
iload 5 /* c2 */
bipush 10
if_icmpeq 21
iload 5 /* c2 */
iconst_m1
if_icmpeq 21
10: .line 521
aload 0 /* this */
getfield java.io.DataInputStream.in:Ljava/io/InputStream;
instanceof java.io.PushbackInputStream
ifne 12
11: .line 522
aload 0 /* this */
new java.io.PushbackInputStream
dup
aload 0 /* this */
getfield java.io.DataInputStream.in:Ljava/io/InputStream;
invokespecial java.io.PushbackInputStream.<init>:(Ljava/io/InputStream;)V
putfield java.io.DataInputStream.in:Ljava/io/InputStream;
12: .line 524
StackMap locals: int
StackMap stack:
aload 0 /* this */
getfield java.io.DataInputStream.in:Ljava/io/InputStream;
checkcast java.io.PushbackInputStream
iload 5 /* c2 */
invokevirtual java.io.PushbackInputStream.unread:(I)V
13: .line 526
goto 21
end local 5 // int c2
14: .line 529
StackMap locals:
StackMap stack:
iinc 2 /* room */ -1
iload 2 /* room */
ifge 19
15: .line 530
iload 3 /* offset */
sipush 128
iadd
newarray 5
astore 1 /* buf */
16: .line 531
aload 1 /* buf */
arraylength
iload 3 /* offset */
isub
iconst_1
isub
istore 2 /* room */
17: .line 532
aload 0 /* this */
getfield java.io.DataInputStream.lineBuffer:[C
iconst_0
aload 1 /* buf */
iconst_0
iload 3 /* offset */
invokestatic java.lang.System.arraycopy:(Ljava/lang/Object;ILjava/lang/Object;II)V
18: .line 533
aload 0 /* this */
aload 1 /* buf */
putfield java.io.DataInputStream.lineBuffer:[C
19: .line 535
StackMap locals:
StackMap stack:
aload 1 /* buf */
iload 3 /* offset */
iinc 3 /* offset */ 1
iload 4 /* c */
i2c
castore
end local 4 // int c
20: .line 512
goto 5
start local 4 // int c
21: .line 539
StackMap locals:
StackMap stack:
iload 4 /* c */
iconst_m1
if_icmpne 23
iload 3 /* offset */
ifne 23
22: .line 540
aconst_null
areturn
23: .line 542
StackMap locals:
StackMap stack:
aload 1 /* buf */
iconst_0
iload 3 /* offset */
invokestatic java.lang.String.copyValueOf:([CII)Ljava/lang/String;
areturn
end local 4 // int c
end local 3 // int offset
end local 2 // int room
end local 1 // char[] buf
end local 0 // java.io.DataInputStream this
LocalVariableTable:
Start End Slot Name Signature
0 24 0 this Ljava/io/DataInputStream;
1 24 1 buf [C
4 24 2 room I
5 24 3 offset I
6 20 4 c I
21 24 4 c I
9 14 5 c2 I
Exceptions:
throws java.io.IOException
RuntimeVisibleAnnotations:
java.lang.Deprecated()
public final java.lang.String readUTF();
descriptor: ()Ljava/lang/String;
flags: (0x0011) ACC_PUBLIC, ACC_FINAL
Code:
stack=1, locals=1, args_size=1
start local 0 // java.io.DataInputStream this
0: .line 564
aload 0 /* this */
invokestatic java.io.DataInputStream.readUTF:(Ljava/io/DataInput;)Ljava/lang/String;
areturn
end local 0 // java.io.DataInputStream this
LocalVariableTable:
Start End Slot Name Signature
0 1 0 this Ljava/io/DataInputStream;
Exceptions:
throws java.io.IOException
public static final java.lang.String readUTF(java.io.DataInput);
descriptor: (Ljava/io/DataInput;)Ljava/lang/String;
flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL
Code:
stack=5, locals=9, args_size=1
start local 0 // java.io.DataInput in
0: .line 589
aload 0 /* in */
invokeinterface java.io.DataInput.readUnsignedShort:()I
istore 1 /* utflen */
start local 1 // int utflen
1: .line 590
aconst_null
astore 2 /* bytearr */
start local 2 // byte[] bytearr
2: .line 591
aconst_null
astore 3 /* chararr */
start local 3 // char[] chararr
3: .line 592
aload 0 /* in */
instanceof java.io.DataInputStream
ifeq 11
4: .line 593
aload 0 /* in */
checkcast java.io.DataInputStream
astore 4 /* dis */
start local 4 // java.io.DataInputStream dis
5: .line 594
aload 4 /* dis */
getfield java.io.DataInputStream.bytearr:[B
arraylength
iload 1 /* utflen */
if_icmpge 8
6: .line 595
aload 4 /* dis */
iload 1 /* utflen */
iconst_2
imul
newarray 8
putfield java.io.DataInputStream.bytearr:[B
7: .line 596
aload 4 /* dis */
iload 1 /* utflen */
iconst_2
imul
newarray 5
putfield java.io.DataInputStream.chararr:[C
8: .line 598
StackMap locals: java.io.DataInput int byte[] char[] java.io.DataInputStream
StackMap stack:
aload 4 /* dis */
getfield java.io.DataInputStream.chararr:[C
astore 3 /* chararr */
9: .line 599
aload 4 /* dis */
getfield java.io.DataInputStream.bytearr:[B
astore 2 /* bytearr */
end local 4 // java.io.DataInputStream dis
10: .line 600
goto 13
11: .line 601
StackMap locals:
StackMap stack:
iload 1 /* utflen */
newarray 8
astore 2 /* bytearr */
12: .line 602
iload 1 /* utflen */
newarray 5
astore 3 /* chararr */
13: .line 606
StackMap locals:
StackMap stack:
iconst_0
istore 7 /* count */
start local 7 // int count
14: .line 607
iconst_0
istore 8 /* chararr_count */
start local 8 // int chararr_count
15: .line 609
aload 0 /* in */
aload 2 /* bytearr */
iconst_0
iload 1 /* utflen */
invokeinterface java.io.DataInput.readFully:([BII)V
16: .line 611
goto 21
17: .line 612
StackMap locals: java.io.DataInput int byte[] char[] top top top int int
StackMap stack:
aload 2 /* bytearr */
iload 7 /* count */
baload
sipush 255
iand
istore 4 /* c */
start local 4 // int c
18: .line 613
iload 4 /* c */
bipush 127
if_icmple 19
goto 61
19: .line 614
StackMap locals: java.io.DataInput int byte[] char[] int top top int int
StackMap stack:
iinc 7 /* count */ 1
20: .line 615
aload 3 /* chararr */
iload 8 /* chararr_count */
iinc 8 /* chararr_count */ 1
iload 4 /* c */
i2c
castore
end local 4 // int c
21: .line 611
StackMap locals: java.io.DataInput int byte[] char[] top top top int int
StackMap stack:
iload 7 /* count */
iload 1 /* utflen */
if_icmplt 17
22: .line 618
goto 61
23: .line 619
StackMap locals:
StackMap stack:
aload 2 /* bytearr */
iload 7 /* count */
baload
sipush 255
iand
istore 4 /* c */
start local 4 // int c
24: .line 620
iload 4 /* c */
iconst_4
ishr
tableswitch { // 0 - 14
0: 25
1: 25
2: 25
3: 25
4: 25
5: 25
6: 25
7: 25
8: 58
9: 58
10: 58
11: 58
12: 28
13: 28
14: 42
default: 58
}
25: .line 623
StackMap locals: java.io.DataInput int byte[] char[] int top top int int
StackMap stack:
iinc 7 /* count */ 1
26: .line 624
aload 3 /* chararr */
iload 8 /* chararr_count */
iinc 8 /* chararr_count */ 1
iload 4 /* c */
i2c
castore
27: .line 625
goto 61
28: .line 628
StackMap locals:
StackMap stack:
iinc 7 /* count */ 2
29: .line 629
iload 7 /* count */
iload 1 /* utflen */
if_icmple 33
30: .line 630
new java.io.UTFDataFormatException
dup
31: .line 631
ldc "malformed input: partial character at end"
32: .line 630
invokespecial java.io.UTFDataFormatException.<init>:(Ljava/lang/String;)V
athrow
33: .line 632
StackMap locals:
StackMap stack:
aload 2 /* bytearr */
iload 7 /* count */
iconst_1
isub
baload
istore 5 /* char2 */
start local 5 // int char2
34: .line 633
iload 5 /* char2 */
sipush 192
iand
sipush 128
if_icmpeq 38
35: .line 634
new java.io.UTFDataFormatException
dup
36: .line 635
new java.lang.StringBuilder
dup
ldc "malformed input around byte "
invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
iload 7 /* count */
invokevirtual java.lang.StringBuilder.append:(I)Ljava/lang/StringBuilder;
invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
37: .line 634
invokespecial java.io.UTFDataFormatException.<init>:(Ljava/lang/String;)V
athrow
38: .line 636
StackMap locals: java.io.DataInput int byte[] char[] int int top int int
StackMap stack:
aload 3 /* chararr */
iload 8 /* chararr_count */
iinc 8 /* chararr_count */ 1
iload 4 /* c */
bipush 31
iand
bipush 6
ishl
39: .line 637
iload 5 /* char2 */
bipush 63
iand
ior
i2c
40: .line 636
castore
41: .line 638
goto 61
end local 5 // int char2
42: .line 641
StackMap locals: java.io.DataInput int byte[] char[] int top top int int
StackMap stack:
iinc 7 /* count */ 3
43: .line 642
iload 7 /* count */
iload 1 /* utflen */
if_icmple 47
44: .line 643
new java.io.UTFDataFormatException
dup
45: .line 644
ldc "malformed input: partial character at end"
46: .line 643
invokespecial java.io.UTFDataFormatException.<init>:(Ljava/lang/String;)V
athrow
47: .line 645
StackMap locals:
StackMap stack:
aload 2 /* bytearr */
iload 7 /* count */
iconst_2
isub
baload
istore 5 /* char2 */
start local 5 // int char2
48: .line 646
aload 2 /* bytearr */
iload 7 /* count */
iconst_1
isub
baload
istore 6 /* char3 */
start local 6 // int char3
49: .line 647
iload 5 /* char2 */
sipush 192
iand
sipush 128
if_icmpne 50
iload 6 /* char3 */
sipush 192
iand
sipush 128
if_icmpeq 53
50: .line 648
StackMap locals: java.io.DataInput int byte[] char[] int int int int int
StackMap stack:
new java.io.UTFDataFormatException
dup
51: .line 649
new java.lang.StringBuilder
dup
ldc "malformed input around byte "
invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
iload 7 /* count */
iconst_1
isub
invokevirtual java.lang.StringBuilder.append:(I)Ljava/lang/StringBuilder;
invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
52: .line 648
invokespecial java.io.UTFDataFormatException.<init>:(Ljava/lang/String;)V
athrow
53: .line 650
StackMap locals:
StackMap stack:
aload 3 /* chararr */
iload 8 /* chararr_count */
iinc 8 /* chararr_count */ 1
iload 4 /* c */
bipush 15
iand
bipush 12
ishl
54: .line 651
iload 5 /* char2 */
bipush 63
iand
bipush 6
ishl
ior
55: .line 652
iload 6 /* char3 */
bipush 63
iand
iconst_0
ishl
ior
i2c
56: .line 650
castore
57: .line 653
goto 61
end local 6 // int char3
end local 5 // int char2
58: .line 656
StackMap locals: java.io.DataInput int byte[] char[] int top top int int
StackMap stack:
new java.io.UTFDataFormatException
dup
59: .line 657
new java.lang.StringBuilder
dup
ldc "malformed input around byte "
invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
iload 7 /* count */
invokevirtual java.lang.StringBuilder.append:(I)Ljava/lang/StringBuilder;
invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
60: .line 656
invokespecial java.io.UTFDataFormatException.<init>:(Ljava/lang/String;)V
athrow
end local 4 // int c
61: .line 618
StackMap locals: java.io.DataInput int byte[] char[] top top top int int
StackMap stack:
iload 7 /* count */
iload 1 /* utflen */
if_icmplt 23
62: .line 661
new java.lang.String
dup
aload 3 /* chararr */
iconst_0
iload 8 /* chararr_count */
invokespecial java.lang.String.<init>:([CII)V
areturn
end local 8 // int chararr_count
end local 7 // int count
end local 3 // char[] chararr
end local 2 // byte[] bytearr
end local 1 // int utflen
end local 0 // java.io.DataInput in
LocalVariableTable:
Start End Slot Name Signature
0 63 0 in Ljava/io/DataInput;
1 63 1 utflen I
2 63 2 bytearr [B
3 63 3 chararr [C
5 10 4 dis Ljava/io/DataInputStream;
18 21 4 c I
24 61 4 c I
34 42 5 char2 I
48 58 5 char2 I
49 58 6 char3 I
14 63 7 count I
15 63 8 chararr_count I
Exceptions:
throws java.io.IOException
MethodParameters:
Name Flags
in
}
SourceFile: "DataInputStream.java"