public final class org.apache.logging.log4j.util.Strings
minor version: 0
major version: 59
flags: flags: (0x0031) ACC_PUBLIC, ACC_FINAL, ACC_SUPER
this_class: org.apache.logging.log4j.util.Strings
super_class: java.lang.Object
{
public static final java.lang.String EMPTY;
descriptor: Ljava/lang/String;
flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL
ConstantValue: ""
public static final java.lang.String LINE_SEPARATOR;
descriptor: Ljava/lang/String;
flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL
static void <clinit>();
descriptor: ()V
flags: (0x0008) ACC_STATIC
Code:
stack=3, locals=0, args_size=0
0: invokestatic org.apache.logging.log4j.util.PropertiesUtil.getProperties:()Lorg/apache/logging/log4j/util/PropertiesUtil;
ldc "line.separator"
1: ldc "\n"
2: invokevirtual org.apache.logging.log4j.util.PropertiesUtil.getStringProperty:(Ljava/lang/String;Ljava/lang/String;)Ljava/lang/String;
putstatic org.apache.logging.log4j.util.Strings.LINE_SEPARATOR:Ljava/lang/String;
3: return
LocalVariableTable:
Start End Slot Name Signature
public static java.lang.String dquote(java.lang.String);
descriptor: (Ljava/lang/String;)Ljava/lang/String;
flags: (0x0009) ACC_PUBLIC, ACC_STATIC
Code:
stack=3, locals=1, args_size=1
start local 0 0: new java.lang.StringBuilder
dup
bipush 34
invokestatic java.lang.String.valueOf:(C)Ljava/lang/String;
invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
aload 0
invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
bipush 34
invokevirtual java.lang.StringBuilder.append:(C)Ljava/lang/StringBuilder;
invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
areturn
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 1 0 str Ljava/lang/String;
MethodParameters:
Name Flags
str final
public static boolean isBlank(java.lang.String);
descriptor: (Ljava/lang/String;)Z
flags: (0x0009) ACC_PUBLIC, ACC_STATIC
Code:
stack=2, locals=3, args_size=1
start local 0 0: aload 0
ifnull 1
aload 0
invokevirtual java.lang.String.isEmpty:()Z
ifeq 2
1: StackMap locals:
StackMap stack:
iconst_1
ireturn
2: StackMap locals:
StackMap stack:
iconst_0
istore 1
start local 1 3: goto 8
4: StackMap locals: int
StackMap stack:
aload 0
iload 1
invokevirtual java.lang.String.charAt:(I)C
istore 2
start local 2 5: iload 2
invokestatic java.lang.Character.isWhitespace:(C)Z
ifne 7
6: iconst_0
ireturn
end local 2 7: StackMap locals:
StackMap stack:
iinc 1 1
StackMap locals:
StackMap stack:
8: iload 1
aload 0
invokevirtual java.lang.String.length:()I
if_icmplt 4
end local 1 9: iconst_1
ireturn
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 10 0 s Ljava/lang/String;
3 9 1 i I
5 7 2 c C
MethodParameters:
Name Flags
s final
public static boolean isEmpty(java.lang.CharSequence);
descriptor: (Ljava/lang/CharSequence;)Z
flags: (0x0009) ACC_PUBLIC, ACC_STATIC
Code:
stack=1, locals=1, args_size=1
start local 0 0: aload 0
ifnull 1
aload 0
invokeinterface java.lang.CharSequence.length:()I
ifeq 1
iconst_0
ireturn
StackMap locals:
StackMap stack:
1: iconst_1
ireturn
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 2 0 cs Ljava/lang/CharSequence;
MethodParameters:
Name Flags
cs final
public static boolean isNotBlank(java.lang.String);
descriptor: (Ljava/lang/String;)Z
flags: (0x0009) ACC_PUBLIC, ACC_STATIC
Code:
stack=1, locals=1, args_size=1
start local 0 0: aload 0
invokestatic org.apache.logging.log4j.util.Strings.isBlank:(Ljava/lang/String;)Z
ifeq 1
iconst_0
goto 2
StackMap locals:
StackMap stack:
1: iconst_1
StackMap locals:
StackMap stack: int
2: ireturn
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 3 0 s Ljava/lang/String;
MethodParameters:
Name Flags
s final
public static boolean isNotEmpty(java.lang.CharSequence);
descriptor: (Ljava/lang/CharSequence;)Z
flags: (0x0009) ACC_PUBLIC, ACC_STATIC
Code:
stack=1, locals=1, args_size=1
start local 0 0: aload 0
invokestatic org.apache.logging.log4j.util.Strings.isEmpty:(Ljava/lang/CharSequence;)Z
ifeq 1
iconst_0
goto 2
StackMap locals:
StackMap stack:
1: iconst_1
StackMap locals:
StackMap stack: int
2: ireturn
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 3 0 cs Ljava/lang/CharSequence;
MethodParameters:
Name Flags
cs final
public static java.lang.String join(java.lang.Iterable<?>, char);
descriptor: (Ljava/lang/Iterable;C)Ljava/lang/String;
flags: (0x0009) ACC_PUBLIC, ACC_STATIC
Code:
stack=2, locals=2, args_size=2
start local 0 start local 1 0: aload 0
ifnonnull 2
1: aconst_null
areturn
2: StackMap locals:
StackMap stack:
aload 0
invokeinterface java.lang.Iterable.iterator:()Ljava/util/Iterator;
iload 1
invokestatic org.apache.logging.log4j.util.Strings.join:(Ljava/util/Iterator;C)Ljava/lang/String;
areturn
end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 3 0 iterable Ljava/lang/Iterable<*>;
0 3 1 separator C
Signature: (Ljava/lang/Iterable<*>;C)Ljava/lang/String;
MethodParameters:
Name Flags
iterable final
separator final
public static java.lang.String join(java.util.Iterator<?>, char);
descriptor: (Ljava/util/Iterator;C)Ljava/lang/String;
flags: (0x0009) ACC_PUBLIC, ACC_STATIC
Code:
stack=3, locals=5, args_size=2
start local 0 start local 1 0: aload 0
ifnonnull 2
1: aconst_null
areturn
2: StackMap locals:
StackMap stack:
aload 0
invokeinterface java.util.Iterator.hasNext:()Z
ifne 4
3: ldc ""
areturn
4: StackMap locals:
StackMap stack:
aload 0
invokeinterface java.util.Iterator.next:()Ljava/lang/Object;
astore 2
start local 2 5: aload 0
invokeinterface java.util.Iterator.hasNext:()Z
ifne 7
6: aload 2
ldc ""
invokestatic java.util.Objects.toString:(Ljava/lang/Object;Ljava/lang/String;)Ljava/lang/String;
areturn
7: StackMap locals: java.lang.Object
StackMap stack:
new java.lang.StringBuilder
dup
sipush 256
invokespecial java.lang.StringBuilder.<init>:(I)V
astore 3
start local 3 8: aload 2
ifnull 15
9: aload 3
aload 2
invokevirtual java.lang.StringBuilder.append:(Ljava/lang/Object;)Ljava/lang/StringBuilder;
pop
10: goto 15
11: StackMap locals: java.lang.StringBuilder
StackMap stack:
aload 3
iload 1
invokevirtual java.lang.StringBuilder.append:(C)Ljava/lang/StringBuilder;
pop
12: aload 0
invokeinterface java.util.Iterator.next:()Ljava/lang/Object;
astore 4
start local 4 13: aload 4
ifnull 15
14: aload 3
aload 4
invokevirtual java.lang.StringBuilder.append:(Ljava/lang/Object;)Ljava/lang/StringBuilder;
pop
end local 4 15: StackMap locals:
StackMap stack:
aload 0
invokeinterface java.util.Iterator.hasNext:()Z
ifne 11
16: aload 3
invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
areturn
end local 3 end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 17 0 iterator Ljava/util/Iterator<*>;
0 17 1 separator C
5 17 2 first Ljava/lang/Object;
8 17 3 buf Ljava/lang/StringBuilder;
13 15 4 obj Ljava/lang/Object;
Signature: (Ljava/util/Iterator<*>;C)Ljava/lang/String;
MethodParameters:
Name Flags
iterator final
separator final
public static java.lang.String left(java.lang.String, int);
descriptor: (Ljava/lang/String;I)Ljava/lang/String;
flags: (0x0009) ACC_PUBLIC, ACC_STATIC
Code:
stack=3, locals=2, args_size=2
start local 0 start local 1 0: aload 0
ifnonnull 2
1: aconst_null
areturn
2: StackMap locals:
StackMap stack:
iload 1
ifge 4
3: ldc ""
areturn
4: StackMap locals:
StackMap stack:
aload 0
invokevirtual java.lang.String.length:()I
iload 1
if_icmpgt 6
5: aload 0
areturn
6: StackMap locals:
StackMap stack:
aload 0
iconst_0
iload 1
invokevirtual java.lang.String.substring:(II)Ljava/lang/String;
areturn
end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 7 0 str Ljava/lang/String;
0 7 1 len I
MethodParameters:
Name Flags
str final
len final
public static java.lang.String quote(java.lang.String);
descriptor: (Ljava/lang/String;)Ljava/lang/String;
flags: (0x0009) ACC_PUBLIC, ACC_STATIC
Code:
stack=3, locals=1, args_size=1
start local 0 0: new java.lang.StringBuilder
dup
bipush 39
invokestatic java.lang.String.valueOf:(C)Ljava/lang/String;
invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
aload 0
invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
bipush 39
invokevirtual java.lang.StringBuilder.append:(C)Ljava/lang/StringBuilder;
invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
areturn
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 1 0 str Ljava/lang/String;
MethodParameters:
Name Flags
str final
public static java.lang.String trimToNull(java.lang.String);
descriptor: (Ljava/lang/String;)Ljava/lang/String;
flags: (0x0009) ACC_PUBLIC, ACC_STATIC
Code:
stack=1, locals=2, args_size=1
start local 0 0: aload 0
ifnonnull 1
aconst_null
goto 2
StackMap locals:
StackMap stack:
1: aload 0
invokevirtual java.lang.String.trim:()Ljava/lang/String;
StackMap locals:
StackMap stack: java.lang.String
2: astore 1
start local 1 3: aload 1
invokestatic org.apache.logging.log4j.util.Strings.isEmpty:(Ljava/lang/CharSequence;)Z
ifeq 4
aconst_null
goto 5
StackMap locals: java.lang.String
StackMap stack:
4: aload 1
StackMap locals:
StackMap stack: java.lang.String
5: areturn
end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 6 0 str Ljava/lang/String;
3 6 1 ts Ljava/lang/String;
MethodParameters:
Name Flags
str final
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
1: return
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 2 0 this Lorg/apache/logging/log4j/util/Strings;
public static java.lang.String toRootUpperCase(java.lang.String);
descriptor: (Ljava/lang/String;)Ljava/lang/String;
flags: (0x0009) ACC_PUBLIC, ACC_STATIC
Code:
stack=2, locals=1, args_size=1
start local 0 0: aload 0
getstatic java.util.Locale.ROOT:Ljava/util/Locale;
invokevirtual java.lang.String.toUpperCase:(Ljava/util/Locale;)Ljava/lang/String;
areturn
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 1 0 str Ljava/lang/String;
MethodParameters:
Name Flags
str final
public static java.lang.String repeat(java.lang.String, int);
descriptor: (Ljava/lang/String;I)Ljava/lang/String;
flags: (0x0009) ACC_PUBLIC, ACC_STATIC
Code:
stack=4, locals=4, args_size=2
start local 0 start local 1 0: aload 0
ldc "str"
invokestatic java.util.Objects.requireNonNull:(Ljava/lang/Object;Ljava/lang/String;)Ljava/lang/Object;
pop
1: iload 1
ifge 3
2: new java.lang.IllegalArgumentException
dup
ldc "count"
invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
athrow
3: StackMap locals:
StackMap stack:
new java.lang.StringBuilder
dup
aload 0
invokevirtual java.lang.String.length:()I
iload 1
imul
invokespecial java.lang.StringBuilder.<init>:(I)V
astore 2
start local 2 4: iconst_0
istore 3
start local 3 5: goto 8
6: StackMap locals: java.lang.StringBuilder int
StackMap stack:
aload 2
aload 0
invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
pop
7: iinc 3 1
StackMap locals:
StackMap stack:
8: iload 3
iload 1
if_icmplt 6
end local 3 9: aload 2
invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
areturn
end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 10 0 str Ljava/lang/String;
0 10 1 count I
4 10 2 sb Ljava/lang/StringBuilder;
5 9 3 index I
MethodParameters:
Name Flags
str final
count final
}
SourceFile: "Strings.java"