public class java.net.URLEncoder
minor version: 0
major version: 59
flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
this_class: java.net.URLEncoder
super_class: java.lang.Object
{
static java.util.BitSet dontNeedEncoding;
descriptor: Ljava/util/BitSet;
flags: (0x0008) ACC_STATIC
static final int caseDiff;
descriptor: I
flags: (0x0018) ACC_STATIC, ACC_FINAL
ConstantValue: 32
static java.lang.String dfltEncName;
descriptor: Ljava/lang/String;
flags: (0x0008) ACC_STATIC
static void <clinit>();
descriptor: ()V
flags: (0x0008) ACC_STATIC
Code:
stack=3, locals=1, args_size=0
0: aconst_null
putstatic java.net.URLEncoder.dfltEncName:Ljava/lang/String;
1: new java.util.BitSet
dup
sipush 256
invokespecial java.util.BitSet.<init>:(I)V
putstatic java.net.URLEncoder.dontNeedEncoding:Ljava/util/BitSet;
2: bipush 97
istore 0
start local 0 3: goto 6
4: StackMap locals: int
StackMap stack:
getstatic java.net.URLEncoder.dontNeedEncoding:Ljava/util/BitSet;
iload 0
invokevirtual java.util.BitSet.set:(I)V
5: iinc 0 1
StackMap locals:
StackMap stack:
6: iload 0
bipush 122
if_icmple 4
7: bipush 65
istore 0
goto 10
8: StackMap locals:
StackMap stack:
getstatic java.net.URLEncoder.dontNeedEncoding:Ljava/util/BitSet;
iload 0
invokevirtual java.util.BitSet.set:(I)V
9: iinc 0 1
StackMap locals:
StackMap stack:
10: iload 0
bipush 90
if_icmple 8
11: bipush 48
istore 0
goto 14
12: StackMap locals:
StackMap stack:
getstatic java.net.URLEncoder.dontNeedEncoding:Ljava/util/BitSet;
iload 0
invokevirtual java.util.BitSet.set:(I)V
13: iinc 0 1
StackMap locals:
StackMap stack:
14: iload 0
bipush 57
if_icmple 12
15: getstatic java.net.URLEncoder.dontNeedEncoding:Ljava/util/BitSet;
bipush 32
invokevirtual java.util.BitSet.set:(I)V
16: getstatic java.net.URLEncoder.dontNeedEncoding:Ljava/util/BitSet;
bipush 45
invokevirtual java.util.BitSet.set:(I)V
17: getstatic java.net.URLEncoder.dontNeedEncoding:Ljava/util/BitSet;
bipush 95
invokevirtual java.util.BitSet.set:(I)V
18: getstatic java.net.URLEncoder.dontNeedEncoding:Ljava/util/BitSet;
bipush 46
invokevirtual java.util.BitSet.set:(I)V
19: getstatic java.net.URLEncoder.dontNeedEncoding:Ljava/util/BitSet;
bipush 42
invokevirtual java.util.BitSet.set:(I)V
20: ldc "file.encoding"
invokestatic sun.security.action.GetPropertyAction.privilegedGetProperty:(Ljava/lang/String;)Ljava/lang/String;
putstatic java.net.URLEncoder.dfltEncName:Ljava/lang/String;
end local 0 21: return
LocalVariableTable:
Start End Slot Name Signature
3 21 0 i I
private void <init>();
descriptor: ()V
flags: (0x0002) ACC_PRIVATE
Code:
stack=1, locals=1, args_size=1
start local 0 0: aload 0
invokespecial java.lang.Object.<init>:()V
return
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 1 0 this Ljava/net/URLEncoder;
public static java.lang.String encode(java.lang.String);
descriptor: (Ljava/lang/String;)Ljava/lang/String;
flags: (0x0009) ACC_PUBLIC, ACC_STATIC
Code:
stack=2, locals=2, args_size=1
start local 0 0: aconst_null
astore 1
start local 1 1: aload 0
getstatic java.net.URLEncoder.dfltEncName:Ljava/lang/String;
invokestatic java.net.URLEncoder.encode:(Ljava/lang/String;Ljava/lang/String;)Ljava/lang/String;
astore 1
2: goto 4
StackMap locals: java.lang.String java.lang.String
StackMap stack: java.io.UnsupportedEncodingException
3: pop
4: StackMap locals:
StackMap stack:
aload 1
areturn
end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 5 0 s Ljava/lang/String;
1 5 1 str Ljava/lang/String;
Exception table:
from to target type
1 2 3 Class java.io.UnsupportedEncodingException
RuntimeVisibleAnnotations:
java.lang.Deprecated()
MethodParameters:
Name Flags
s
public static java.lang.String encode(java.lang.String, java.lang.String);
descriptor: (Ljava/lang/String;Ljava/lang/String;)Ljava/lang/String;
flags: (0x0009) ACC_PUBLIC, ACC_STATIC
Code:
stack=3, locals=3, args_size=2
start local 0 start local 1 0: aload 1
ifnonnull 2
1: new java.lang.NullPointerException
dup
ldc "charsetName"
invokespecial java.lang.NullPointerException.<init>:(Ljava/lang/String;)V
athrow
2: StackMap locals:
StackMap stack:
aload 1
invokestatic java.nio.charset.Charset.forName:(Ljava/lang/String;)Ljava/nio/charset/Charset;
astore 2
start local 2 3: aload 0
aload 2
invokestatic java.net.URLEncoder.encode:(Ljava/lang/String;Ljava/nio/charset/Charset;)Ljava/lang/String;
4: areturn
end local 2 5: StackMap locals:
StackMap stack: java.lang.IllegalArgumentException
pop
6: new java.io.UnsupportedEncodingException
dup
aload 1
invokespecial java.io.UnsupportedEncodingException.<init>:(Ljava/lang/String;)V
athrow
end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 7 0 s Ljava/lang/String;
0 7 1 enc Ljava/lang/String;
3 5 2 charset Ljava/nio/charset/Charset;
Exception table:
from to target type
2 4 5 Class java.nio.charset.IllegalCharsetNameException
2 4 5 Class java.nio.charset.UnsupportedCharsetException
Exceptions:
throws java.io.UnsupportedEncodingException
MethodParameters:
Name Flags
s
enc
public static java.lang.String encode(java.lang.String, java.nio.charset.Charset);
descriptor: (Ljava/lang/String;Ljava/nio/charset/Charset;)Ljava/lang/String;
flags: (0x0009) ACC_PUBLIC, ACC_STATIC
Code:
stack=3, locals=11, args_size=2
start local 0 start local 1 0: aload 1
ldc "charset"
invokestatic java.util.Objects.requireNonNull:(Ljava/lang/Object;Ljava/lang/String;)Ljava/lang/Object;
pop
1: iconst_0
istore 2
start local 2 2: new java.lang.StringBuilder
dup
aload 0
invokevirtual java.lang.String.length:()I
invokespecial java.lang.StringBuilder.<init>:(I)V
astore 3
start local 3 3: new java.io.CharArrayWriter
dup
invokespecial java.io.CharArrayWriter.<init>:()V
astore 4
start local 4 4: iconst_0
istore 5
start local 5 5: goto 41
6: StackMap locals: java.lang.String java.nio.charset.Charset int java.lang.StringBuilder java.io.CharArrayWriter int
StackMap stack:
aload 0
iload 5
invokevirtual java.lang.String.charAt:(I)C
istore 6
start local 6 7: getstatic java.net.URLEncoder.dontNeedEncoding:Ljava/util/BitSet;
iload 6
invokevirtual java.util.BitSet.get:(I)Z
ifeq 14
8: iload 6
bipush 32
if_icmpne 11
9: bipush 43
istore 6
10: iconst_1
istore 2
11: StackMap locals: int
StackMap stack:
aload 3
iload 6
i2c
invokevirtual java.lang.StringBuilder.append:(C)Ljava/lang/StringBuilder;
pop
12: iinc 5 1
13: goto 41
14: StackMap locals:
StackMap stack:
aload 4
iload 6
invokevirtual java.io.CharArrayWriter.write:(I)V
15: iload 6
ldc 55296
if_icmplt 21
iload 6
ldc 56319
if_icmpgt 21
16: iload 5
iconst_1
iadd
aload 0
invokevirtual java.lang.String.length:()I
if_icmpge 21
17: aload 0
iload 5
iconst_1
iadd
invokevirtual java.lang.String.charAt:(I)C
istore 7
start local 7 18: iload 7
ldc 56320
if_icmplt 21
iload 7
ldc 57343
if_icmpgt 21
19: aload 4
iload 7
invokevirtual java.io.CharArrayWriter.write:(I)V
20: iinc 5 1
end local 7 21: StackMap locals:
StackMap stack:
iinc 5 1
22: iload 5
aload 0
invokevirtual java.lang.String.length:()I
if_icmpge 23
getstatic java.net.URLEncoder.dontNeedEncoding:Ljava/util/BitSet;
aload 0
iload 5
invokevirtual java.lang.String.charAt:(I)C
dup
istore 6
invokevirtual java.util.BitSet.get:(I)Z
ifeq 14
23: StackMap locals:
StackMap stack:
aload 4
invokevirtual java.io.CharArrayWriter.flush:()V
24: new java.lang.String
dup
aload 4
invokevirtual java.io.CharArrayWriter.toCharArray:()[C
invokespecial java.lang.String.<init>:([C)V
astore 7
start local 7 25: aload 7
aload 1
invokevirtual java.lang.String.getBytes:(Ljava/nio/charset/Charset;)[B
astore 8
start local 8 26: iconst_0
istore 9
start local 9 27: goto 38
28: StackMap locals: java.lang.String byte[] int
StackMap stack:
aload 3
bipush 37
invokevirtual java.lang.StringBuilder.append:(C)Ljava/lang/StringBuilder;
pop
29: aload 8
iload 9
baload
iconst_4
ishr
bipush 15
iand
bipush 16
invokestatic java.lang.Character.forDigit:(II)C
istore 10
start local 10 30: iload 10
invokestatic java.lang.Character.isLetter:(C)Z
ifeq 32
31: iload 10
bipush 32
isub
i2c
istore 10
32: StackMap locals: int
StackMap stack:
aload 3
iload 10
invokevirtual java.lang.StringBuilder.append:(C)Ljava/lang/StringBuilder;
pop
33: aload 8
iload 9
baload
bipush 15
iand
bipush 16
invokestatic java.lang.Character.forDigit:(II)C
istore 10
34: iload 10
invokestatic java.lang.Character.isLetter:(C)Z
ifeq 36
35: iload 10
bipush 32
isub
i2c
istore 10
36: StackMap locals:
StackMap stack:
aload 3
iload 10
invokevirtual java.lang.StringBuilder.append:(C)Ljava/lang/StringBuilder;
pop
end local 10 37: iinc 9 1
StackMap locals:
StackMap stack:
38: iload 9
aload 8
arraylength
if_icmplt 28
end local 9 39: aload 4
invokevirtual java.io.CharArrayWriter.reset:()V
40: iconst_1
istore 2
end local 8 end local 7 end local 6 41: StackMap locals: java.lang.String java.nio.charset.Charset int java.lang.StringBuilder java.io.CharArrayWriter int
StackMap stack:
iload 5
aload 0
invokevirtual java.lang.String.length:()I
if_icmplt 6
end local 5 42: iload 2
ifeq 43
aload 3
invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
goto 44
StackMap locals:
StackMap stack:
43: aload 0
StackMap locals:
StackMap stack: java.lang.String
44: areturn
end local 4 end local 3 end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 45 0 s Ljava/lang/String;
0 45 1 charset Ljava/nio/charset/Charset;
2 45 2 needToChange Z
3 45 3 out Ljava/lang/StringBuilder;
4 45 4 charArrayWriter Ljava/io/CharArrayWriter;
5 42 5 i I
7 41 6 c I
18 21 7 d I
25 41 7 str Ljava/lang/String;
26 41 8 ba [B
27 39 9 j I
30 37 10 ch C
MethodParameters:
Name Flags
s
charset
}
SourceFile: "URLEncoder.java"