public class ch.qos.logback.core.rolling.helper.FileFilterUtil
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: ch.qos.logback.core.rolling.helper.FileFilterUtil
  super_class: java.lang.Object
{
  public void <init>();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // ch.qos.logback.core.rolling.helper.FileFilterUtil this
         0: .line 23
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
            return
        end local 0 // ch.qos.logback.core.rolling.helper.FileFilterUtil this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lch/qos/logback/core/rolling/helper/FileFilterUtil;

  public static void sortFileArrayByName(java.io.File[]);
    descriptor: ([Ljava/io/File;)V
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=3, locals=1, args_size=1
        start local 0 // java.io.File[] fileArray
         0: .line 26
            aload 0 /* fileArray */
            new ch.qos.logback.core.rolling.helper.FileFilterUtil$1
            dup
            invokespecial ch.qos.logback.core.rolling.helper.FileFilterUtil$1.<init>:()V
            invokestatic java.util.Arrays.sort:([Ljava/lang/Object;Ljava/util/Comparator;)V
         1: .line 33
            return
        end local 0 // java.io.File[] fileArray
      LocalVariableTable:
        Start  End  Slot       Name  Signature
            0    2     0  fileArray  [Ljava/io/File;
    MethodParameters:
           Name  Flags
      fileArray  

  public static void reverseSortFileArrayByName(java.io.File[]);
    descriptor: ([Ljava/io/File;)V
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=3, locals=1, args_size=1
        start local 0 // java.io.File[] fileArray
         0: .line 36
            aload 0 /* fileArray */
            new ch.qos.logback.core.rolling.helper.FileFilterUtil$2
            dup
            invokespecial ch.qos.logback.core.rolling.helper.FileFilterUtil$2.<init>:()V
            invokestatic java.util.Arrays.sort:([Ljava/lang/Object;Ljava/util/Comparator;)V
         1: .line 43
            return
        end local 0 // java.io.File[] fileArray
      LocalVariableTable:
        Start  End  Slot       Name  Signature
            0    2     0  fileArray  [Ljava/io/File;
    MethodParameters:
           Name  Flags
      fileArray  

  public static java.lang.String afterLastSlash(java.lang.String);
    descriptor: (Ljava/lang/String;)Ljava/lang/String;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=3, locals=2, args_size=1
        start local 0 // java.lang.String sregex
         0: .line 46
            aload 0 /* sregex */
            bipush 47
            invokevirtual java.lang.String.lastIndexOf:(I)I
            istore 1 /* i */
        start local 1 // int i
         1: .line 47
            iload 1 /* i */
            iconst_m1
            if_icmpne 3
         2: .line 48
            aload 0 /* sregex */
            areturn
         3: .line 50
      StackMap locals: int
      StackMap stack:
            aload 0 /* sregex */
            iload 1 /* i */
            iconst_1
            iadd
            invokevirtual java.lang.String.substring:(I)Ljava/lang/String;
            areturn
        end local 1 // int i
        end local 0 // java.lang.String sregex
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    4     0  sregex  Ljava/lang/String;
            1    4     1       i  I
    MethodParameters:
        Name  Flags
      sregex  

  public static boolean isEmptyDirectory(java.io.File);
    descriptor: (Ljava/io/File;)Z
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=5, locals=2, args_size=1
        start local 0 // java.io.File dir
         0: .line 55
            aload 0 /* dir */
            invokevirtual java.io.File.isDirectory:()Z
            ifne 2
         1: .line 56
            new java.lang.IllegalArgumentException
            dup
            new java.lang.StringBuilder
            dup
            ldc "["
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            aload 0 /* dir */
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/Object;)Ljava/lang/StringBuilder;
            ldc "] must be a directory"
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
         2: .line 58
      StackMap locals:
      StackMap stack:
            aload 0 /* dir */
            invokevirtual java.io.File.list:()[Ljava/lang/String;
            astore 1 /* filesInDir */
        start local 1 // java.lang.String[] filesInDir
         3: .line 59
            aload 1 /* filesInDir */
            ifnull 4
            aload 1 /* filesInDir */
            arraylength
            ifne 5
         4: .line 60
      StackMap locals: java.lang.String[]
      StackMap stack:
            iconst_1
            ireturn
         5: .line 62
      StackMap locals:
      StackMap stack:
            iconst_0
            ireturn
        end local 1 // java.lang.String[] filesInDir
        end local 0 // java.io.File dir
      LocalVariableTable:
        Start  End  Slot        Name  Signature
            0    6     0         dir  Ljava/io/File;
            3    6     1  filesInDir  [Ljava/lang/String;
    MethodParameters:
      Name  Flags
      dir   

  public static java.io.File[] filesInFolderMatchingStemRegex(java.io.File, java.lang.String);
    descriptor: (Ljava/io/File;Ljava/lang/String;)[Ljava/io/File;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=4, locals=2, args_size=2
        start local 0 // java.io.File file
        start local 1 // java.lang.String stemRegex
         0: .line 76
            aload 0 /* file */
            ifnonnull 2
         1: .line 77
            iconst_0
            anewarray java.io.File
            areturn
         2: .line 79
      StackMap locals:
      StackMap stack:
            aload 0 /* file */
            invokevirtual java.io.File.exists:()Z
            ifeq 3
            aload 0 /* file */
            invokevirtual java.io.File.isDirectory:()Z
            ifne 4
         3: .line 80
      StackMap locals:
      StackMap stack:
            iconst_0
            anewarray java.io.File
            areturn
         4: .line 82
      StackMap locals:
      StackMap stack:
            aload 0 /* file */
            new ch.qos.logback.core.rolling.helper.FileFilterUtil$3
            dup
            aload 1 /* stemRegex */
            invokespecial ch.qos.logback.core.rolling.helper.FileFilterUtil$3.<init>:(Ljava/lang/String;)V
            invokevirtual java.io.File.listFiles:(Ljava/io/FilenameFilter;)[Ljava/io/File;
            areturn
        end local 1 // java.lang.String stemRegex
        end local 0 // java.io.File file
      LocalVariableTable:
        Start  End  Slot       Name  Signature
            0    5     0       file  Ljava/io/File;
            0    5     1  stemRegex  Ljava/lang/String;
    MethodParameters:
           Name  Flags
      file       
      stemRegex  final

  public static int findHighestCounter(java.io.File[], java.lang.String);
    descriptor: ([Ljava/io/File;Ljava/lang/String;)I
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=2, locals=8, args_size=2
        start local 0 // java.io.File[] matchingFileArray
        start local 1 // java.lang.String stemRegex
         0: .line 90
            ldc -2147483648
            istore 2 /* max */
        start local 2 // int max
         1: .line 91
            aload 0 /* matchingFileArray */
            dup
            astore 6
            arraylength
            istore 5
            iconst_0
            istore 4
            goto 7
      StackMap locals: java.io.File[] java.lang.String int top int int java.io.File[]
      StackMap stack:
         2: aload 6
            iload 4
            aaload
            astore 3 /* aFile */
        start local 3 // java.io.File aFile
         3: .line 92
            aload 3 /* aFile */
            aload 1 /* stemRegex */
            invokestatic ch.qos.logback.core.rolling.helper.FileFilterUtil.extractCounter:(Ljava/io/File;Ljava/lang/String;)I
            istore 7 /* aCounter */
        start local 7 // int aCounter
         4: .line 93
            iload 2 /* max */
            iload 7 /* aCounter */
            if_icmpge 6
         5: .line 94
            iload 7 /* aCounter */
            istore 2 /* max */
        end local 7 // int aCounter
        end local 3 // java.io.File aFile
         6: .line 91
      StackMap locals:
      StackMap stack:
            iinc 4 1
      StackMap locals:
      StackMap stack:
         7: iload 4
            iload 5
            if_icmplt 2
         8: .line 96
            iload 2 /* max */
            ireturn
        end local 2 // int max
        end local 1 // java.lang.String stemRegex
        end local 0 // java.io.File[] matchingFileArray
      LocalVariableTable:
        Start  End  Slot               Name  Signature
            0    9     0  matchingFileArray  [Ljava/io/File;
            0    9     1          stemRegex  Ljava/lang/String;
            1    9     2                max  I
            3    6     3              aFile  Ljava/io/File;
            4    6     7           aCounter  I
    MethodParameters:
                   Name  Flags
      matchingFileArray  
      stemRegex          final

  public static int extractCounter(java.io.File, java.lang.String);
    descriptor: (Ljava/io/File;Ljava/lang/String;)I
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=5, locals=6, args_size=2
        start local 0 // java.io.File file
        start local 1 // java.lang.String stemRegex
         0: .line 100
            aload 1 /* stemRegex */
            invokestatic java.util.regex.Pattern.compile:(Ljava/lang/String;)Ljava/util/regex/Pattern;
            astore 2 /* p */
        start local 2 // java.util.regex.Pattern p
         1: .line 101
            aload 0 /* file */
            invokevirtual java.io.File.getName:()Ljava/lang/String;
            astore 3 /* lastFileName */
        start local 3 // java.lang.String lastFileName
         2: .line 103
            aload 2 /* p */
            aload 3 /* lastFileName */
            invokevirtual java.util.regex.Pattern.matcher:(Ljava/lang/CharSequence;)Ljava/util/regex/Matcher;
            astore 4 /* m */
        start local 4 // java.util.regex.Matcher m
         3: .line 104
            aload 4 /* m */
            invokevirtual java.util.regex.Matcher.matches:()Z
            ifne 5
         4: .line 105
            new java.lang.IllegalStateException
            dup
            new java.lang.StringBuilder
            dup
            ldc "The regex ["
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            aload 1 /* stemRegex */
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            ldc "] should match ["
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            aload 3 /* lastFileName */
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            ldc "]"
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            invokespecial java.lang.IllegalStateException.<init>:(Ljava/lang/String;)V
            athrow
         5: .line 107
      StackMap locals: java.util.regex.Pattern java.lang.String java.util.regex.Matcher
      StackMap stack:
            aload 4 /* m */
            iconst_1
            invokevirtual java.util.regex.Matcher.group:(I)Ljava/lang/String;
            astore 5 /* counterAsStr */
        start local 5 // java.lang.String counterAsStr
         6: .line 108
            new java.lang.Integer
            dup
            aload 5 /* counterAsStr */
            invokespecial java.lang.Integer.<init>:(Ljava/lang/String;)V
            invokevirtual java.lang.Integer.intValue:()I
            ireturn
        end local 5 // java.lang.String counterAsStr
        end local 4 // java.util.regex.Matcher m
        end local 3 // java.lang.String lastFileName
        end local 2 // java.util.regex.Pattern p
        end local 1 // java.lang.String stemRegex
        end local 0 // java.io.File file
      LocalVariableTable:
        Start  End  Slot          Name  Signature
            0    7     0          file  Ljava/io/File;
            0    7     1     stemRegex  Ljava/lang/String;
            1    7     2             p  Ljava/util/regex/Pattern;
            2    7     3  lastFileName  Ljava/lang/String;
            3    7     4             m  Ljava/util/regex/Matcher;
            6    7     5  counterAsStr  Ljava/lang/String;
    MethodParameters:
           Name  Flags
      file       
      stemRegex  final

  public static java.lang.String slashify(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 // java.lang.String in
         0: .line 112
            aload 0 /* in */
            bipush 92
            bipush 47
            invokevirtual java.lang.String.replace:(CC)Ljava/lang/String;
            areturn
        end local 0 // java.lang.String in
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0    in  Ljava/lang/String;
    MethodParameters:
      Name  Flags
      in    

  public static void removeEmptyParentDirectories(java.io.File, int);
    descriptor: (Ljava/io/File;I)V
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=3, locals=3, args_size=2
        start local 0 // java.io.File file
        start local 1 // int recursivityCount
         0: .line 117
            iload 1 /* recursivityCount */
            iconst_3
            if_icmplt 2
         1: .line 118
            return
         2: .line 120
      StackMap locals:
      StackMap stack:
            aload 0 /* file */
            invokevirtual java.io.File.getParentFile:()Ljava/io/File;
            astore 2 /* parent */
        start local 2 // java.io.File parent
         3: .line 121
            aload 2 /* parent */
            invokevirtual java.io.File.isDirectory:()Z
            ifeq 6
            aload 2 /* parent */
            invokestatic ch.qos.logback.core.rolling.helper.FileFilterUtil.isEmptyDirectory:(Ljava/io/File;)Z
            ifeq 6
         4: .line 122
            aload 2 /* parent */
            invokevirtual java.io.File.delete:()Z
            pop
         5: .line 123
            aload 2 /* parent */
            iload 1 /* recursivityCount */
            iconst_1
            iadd
            invokestatic ch.qos.logback.core.rolling.helper.FileFilterUtil.removeEmptyParentDirectories:(Ljava/io/File;I)V
         6: .line 125
      StackMap locals: java.io.File
      StackMap stack:
            return
        end local 2 // java.io.File parent
        end local 1 // int recursivityCount
        end local 0 // java.io.File file
      LocalVariableTable:
        Start  End  Slot              Name  Signature
            0    7     0              file  Ljava/io/File;
            0    7     1  recursivityCount  I
            3    7     2            parent  Ljava/io/File;
    MethodParameters:
                  Name  Flags
      file              
      recursivityCount  
}
SourceFile: "FileFilterUtil.java"
NestMembers:
  ch.qos.logback.core.rolling.helper.FileFilterUtil$1  ch.qos.logback.core.rolling.helper.FileFilterUtil$2  ch.qos.logback.core.rolling.helper.FileFilterUtil$3
InnerClasses:
  ch.qos.logback.core.rolling.helper.FileFilterUtil$1
  ch.qos.logback.core.rolling.helper.FileFilterUtil$2
  ch.qos.logback.core.rolling.helper.FileFilterUtil$3