https://logging.apache.org/log4j/2.x/log4j-core/: The Apache Log4j Implementation (The Apache Software Foundation)
  • Ralph Goers (Nextiva)
  • Gary Gregory (Rocket Software)
  • Scott Deboy
  • Remko Popma
  • Nick Williams
  • Matt Sicker (CloudBees)
  • Bruce Brouwer
  • Mikael Ståldal (Spotify)
  • Carter Kozak 
public abstract class org.apache.logging.log4j.core.appender.rolling.AbstractRolloverStrategy implements org.apache.logging.log4j.core.appender.rolling.RolloverStrategy
  minor version: 0
  major version: 59
  flags: flags: (0x0421) ACC_PUBLIC, ACC_SUPER, ACC_ABSTRACT
  this_class: org.apache.logging.log4j.core.appender.rolling.AbstractRolloverStrategy
  super_class: java.lang.Object
{
  protected static final org.apache.logging.log4j.Logger LOGGER;
    descriptor: Lorg/apache/logging/log4j/Logger;
    flags: (0x001c) ACC_PROTECTED, ACC_STATIC, ACC_FINAL

  public static final java.util.regex.Pattern PATTERN_COUNTER;
    descriptor: Ljava/util/regex/Pattern;
    flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL

  protected final org.apache.logging.log4j.core.lookup.StrSubstitutor strSubstitutor;
    descriptor: Lorg/apache/logging/log4j/core/lookup/StrSubstitutor;
    flags: (0x0014) ACC_PROTECTED, ACC_FINAL

  static void <clinit>();
    descriptor: ()V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=1, locals=0, args_size=0
         0: .line 47
            invokestatic org.apache.logging.log4j.status.StatusLogger.getLogger:()Lorg/apache/logging/log4j/status/StatusLogger;
            putstatic org.apache.logging.log4j.core.appender.rolling.AbstractRolloverStrategy.LOGGER:Lorg/apache/logging/log4j/Logger;
         1: .line 49
            ldc ".*%((?<ZEROPAD>0)?(?<PADDING>\\d+))?i.*"
            invokestatic java.util.regex.Pattern.compile:(Ljava/lang/String;)Ljava/util/regex/Pattern;
            putstatic org.apache.logging.log4j.core.appender.rolling.AbstractRolloverStrategy.PATTERN_COUNTER:Ljava/util/regex/Pattern;
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  protected void <init>(org.apache.logging.log4j.core.lookup.StrSubstitutor);
    descriptor: (Lorg/apache/logging/log4j/core/lookup/StrSubstitutor;)V
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.apache.logging.log4j.core.appender.rolling.AbstractRolloverStrategy this
        start local 1 // org.apache.logging.log4j.core.lookup.StrSubstitutor strSubstitutor
         0: .line 53
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 54
            aload 0 /* this */
            aload 1 /* strSubstitutor */
            putfield org.apache.logging.log4j.core.appender.rolling.AbstractRolloverStrategy.strSubstitutor:Lorg/apache/logging/log4j/core/lookup/StrSubstitutor;
         2: .line 55
            return
        end local 1 // org.apache.logging.log4j.core.lookup.StrSubstitutor strSubstitutor
        end local 0 // org.apache.logging.log4j.core.appender.rolling.AbstractRolloverStrategy this
      LocalVariableTable:
        Start  End  Slot            Name  Signature
            0    3     0            this  Lorg/apache/logging/log4j/core/appender/rolling/AbstractRolloverStrategy;
            0    3     1  strSubstitutor  Lorg/apache/logging/log4j/core/lookup/StrSubstitutor;
    MethodParameters:
                Name  Flags
      strSubstitutor  final

  public org.apache.logging.log4j.core.lookup.StrSubstitutor getStrSubstitutor();
    descriptor: ()Lorg/apache/logging/log4j/core/lookup/StrSubstitutor;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.apache.logging.log4j.core.appender.rolling.AbstractRolloverStrategy this
         0: .line 59
            aload 0 /* this */
            getfield org.apache.logging.log4j.core.appender.rolling.AbstractRolloverStrategy.strSubstitutor:Lorg/apache/logging/log4j/core/lookup/StrSubstitutor;
            areturn
        end local 0 // org.apache.logging.log4j.core.appender.rolling.AbstractRolloverStrategy this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/apache/logging/log4j/core/appender/rolling/AbstractRolloverStrategy;

  protected org.apache.logging.log4j.core.appender.rolling.action.Action merge(org.apache.logging.log4j.core.appender.rolling.action.Action, java.util.List<org.apache.logging.log4j.core.appender.rolling.action.Action>, boolean);
    descriptor: (Lorg/apache/logging/log4j/core/appender/rolling/action/Action;Ljava/util/List;Z)Lorg/apache/logging/log4j/core/appender/rolling/action/Action;
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=4, locals=5, args_size=4
        start local 0 // org.apache.logging.log4j.core.appender.rolling.AbstractRolloverStrategy this
        start local 1 // org.apache.logging.log4j.core.appender.rolling.action.Action compressAction
        start local 2 // java.util.List custom
        start local 3 // boolean stopOnError
         0: .line 63
            aload 2 /* custom */
            invokeinterface java.util.List.isEmpty:()Z
            ifeq 2
         1: .line 64
            aload 1 /* compressAction */
            areturn
         2: .line 66
      StackMap locals:
      StackMap stack:
            aload 1 /* compressAction */
            ifnonnull 4
         3: .line 67
            new org.apache.logging.log4j.core.appender.rolling.action.CompositeAction
            dup
            aload 2 /* custom */
            iload 3 /* stopOnError */
            invokespecial org.apache.logging.log4j.core.appender.rolling.action.CompositeAction.<init>:(Ljava/util/List;Z)V
            areturn
         4: .line 69
      StackMap locals:
      StackMap stack:
            new java.util.ArrayList
            dup
            invokespecial java.util.ArrayList.<init>:()V
            astore 4 /* all */
        start local 4 // java.util.List all
         5: .line 70
            aload 4 /* all */
            aload 1 /* compressAction */
            invokeinterface java.util.List.add:(Ljava/lang/Object;)Z
            pop
         6: .line 71
            aload 4 /* all */
            aload 2 /* custom */
            invokeinterface java.util.List.addAll:(Ljava/util/Collection;)Z
            pop
         7: .line 72
            new org.apache.logging.log4j.core.appender.rolling.action.CompositeAction
            dup
            aload 4 /* all */
            iload 3 /* stopOnError */
            invokespecial org.apache.logging.log4j.core.appender.rolling.action.CompositeAction.<init>:(Ljava/util/List;Z)V
            areturn
        end local 4 // java.util.List all
        end local 3 // boolean stopOnError
        end local 2 // java.util.List custom
        end local 1 // org.apache.logging.log4j.core.appender.rolling.action.Action compressAction
        end local 0 // org.apache.logging.log4j.core.appender.rolling.AbstractRolloverStrategy this
      LocalVariableTable:
        Start  End  Slot            Name  Signature
            0    8     0            this  Lorg/apache/logging/log4j/core/appender/rolling/AbstractRolloverStrategy;
            0    8     1  compressAction  Lorg/apache/logging/log4j/core/appender/rolling/action/Action;
            0    8     2          custom  Ljava/util/List<Lorg/apache/logging/log4j/core/appender/rolling/action/Action;>;
            0    8     3     stopOnError  Z
            5    8     4             all  Ljava/util/List<Lorg/apache/logging/log4j/core/appender/rolling/action/Action;>;
    Signature: (Lorg/apache/logging/log4j/core/appender/rolling/action/Action;Ljava/util/List<Lorg/apache/logging/log4j/core/appender/rolling/action/Action;>;Z)Lorg/apache/logging/log4j/core/appender/rolling/action/Action;
    MethodParameters:
                Name  Flags
      compressAction  final
      custom          final
      stopOnError     final

  protected int suffixLength(java.lang.String);
    descriptor: (Ljava/lang/String;)I
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=2, locals=6, args_size=2
        start local 0 // org.apache.logging.log4j.core.appender.rolling.AbstractRolloverStrategy this
        start local 1 // java.lang.String lowFilename
         0: .line 76
            invokestatic org.apache.logging.log4j.core.appender.rolling.FileExtension.values:()[Lorg/apache/logging/log4j/core/appender/rolling/FileExtension;
            dup
            astore 5
            arraylength
            istore 4
            iconst_0
            istore 3
            goto 5
      StackMap locals: org.apache.logging.log4j.core.appender.rolling.AbstractRolloverStrategy java.lang.String top int int org.apache.logging.log4j.core.appender.rolling.FileExtension[]
      StackMap stack:
         1: aload 5
            iload 3
            aaload
            astore 2 /* extension */
        start local 2 // org.apache.logging.log4j.core.appender.rolling.FileExtension extension
         2: .line 77
            aload 2 /* extension */
            aload 1 /* lowFilename */
            invokevirtual org.apache.logging.log4j.core.appender.rolling.FileExtension.isExtensionFor:(Ljava/lang/String;)Z
            ifeq 4
         3: .line 78
            aload 2 /* extension */
            invokevirtual org.apache.logging.log4j.core.appender.rolling.FileExtension.length:()I
            ireturn
        end local 2 // org.apache.logging.log4j.core.appender.rolling.FileExtension extension
         4: .line 76
      StackMap locals:
      StackMap stack:
            iinc 3 1
      StackMap locals:
      StackMap stack:
         5: iload 3
            iload 4
            if_icmplt 1
         6: .line 81
            iconst_0
            ireturn
        end local 1 // java.lang.String lowFilename
        end local 0 // org.apache.logging.log4j.core.appender.rolling.AbstractRolloverStrategy this
      LocalVariableTable:
        Start  End  Slot         Name  Signature
            0    7     0         this  Lorg/apache/logging/log4j/core/appender/rolling/AbstractRolloverStrategy;
            0    7     1  lowFilename  Ljava/lang/String;
            2    4     2    extension  Lorg/apache/logging/log4j/core/appender/rolling/FileExtension;
    MethodParameters:
             Name  Flags
      lowFilename  final

  protected java.util.SortedMap<java.lang.Integer, java.nio.file.Path> getEligibleFiles(org.apache.logging.log4j.core.appender.rolling.RollingFileManager);
    descriptor: (Lorg/apache/logging/log4j/core/appender/rolling/RollingFileManager;)Ljava/util/SortedMap;
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=3, locals=2, args_size=2
        start local 0 // org.apache.logging.log4j.core.appender.rolling.AbstractRolloverStrategy this
        start local 1 // org.apache.logging.log4j.core.appender.rolling.RollingFileManager manager
         0: .line 86
            aload 0 /* this */
            aload 1 /* manager */
            iconst_1
            invokevirtual org.apache.logging.log4j.core.appender.rolling.AbstractRolloverStrategy.getEligibleFiles:(Lorg/apache/logging/log4j/core/appender/rolling/RollingFileManager;Z)Ljava/util/SortedMap;
            areturn
        end local 1 // org.apache.logging.log4j.core.appender.rolling.RollingFileManager manager
        end local 0 // org.apache.logging.log4j.core.appender.rolling.AbstractRolloverStrategy this
      LocalVariableTable:
        Start  End  Slot     Name  Signature
            0    1     0     this  Lorg/apache/logging/log4j/core/appender/rolling/AbstractRolloverStrategy;
            0    1     1  manager  Lorg/apache/logging/log4j/core/appender/rolling/RollingFileManager;
    Signature: (Lorg/apache/logging/log4j/core/appender/rolling/RollingFileManager;)Ljava/util/SortedMap<Ljava/lang/Integer;Ljava/nio/file/Path;>;
    MethodParameters:
         Name  Flags
      manager  final

  protected java.util.SortedMap<java.lang.Integer, java.nio.file.Path> getEligibleFiles(org.apache.logging.log4j.core.appender.rolling.RollingFileManager, boolean);
    descriptor: (Lorg/apache/logging/log4j/core/appender/rolling/RollingFileManager;Z)Ljava/util/SortedMap;
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=4, locals=5, args_size=3
        start local 0 // org.apache.logging.log4j.core.appender.rolling.AbstractRolloverStrategy this
        start local 1 // org.apache.logging.log4j.core.appender.rolling.RollingFileManager manager
        start local 2 // boolean isAscending
         0: .line 91
            new java.lang.StringBuilder
            dup
            invokespecial java.lang.StringBuilder.<init>:()V
            astore 3 /* buf */
        start local 3 // java.lang.StringBuilder buf
         1: .line 92
            aload 1 /* manager */
            invokevirtual org.apache.logging.log4j.core.appender.rolling.RollingFileManager.getPatternProcessor:()Lorg/apache/logging/log4j/core/appender/rolling/PatternProcessor;
            invokevirtual org.apache.logging.log4j.core.appender.rolling.PatternProcessor.getPattern:()Ljava/lang/String;
            astore 4 /* pattern */
        start local 4 // java.lang.String pattern
         2: .line 93
            aload 1 /* manager */
            invokevirtual org.apache.logging.log4j.core.appender.rolling.RollingFileManager.getPatternProcessor:()Lorg/apache/logging/log4j/core/appender/rolling/PatternProcessor;
            aload 0 /* this */
            getfield org.apache.logging.log4j.core.appender.rolling.AbstractRolloverStrategy.strSubstitutor:Lorg/apache/logging/log4j/core/lookup/StrSubstitutor;
            aload 3 /* buf */
            getstatic org.apache.logging.log4j.core.pattern.NotANumber.NAN:Lorg/apache/logging/log4j/core/pattern/NotANumber;
            invokevirtual org.apache.logging.log4j.core.appender.rolling.PatternProcessor.formatFileName:(Lorg/apache/logging/log4j/core/lookup/StrSubstitutor;Ljava/lang/StringBuilder;Ljava/lang/Object;)V
         3: .line 94
            aload 0 /* this */
            aload 3 /* buf */
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            aload 4 /* pattern */
            iload 2 /* isAscending */
            invokevirtual org.apache.logging.log4j.core.appender.rolling.AbstractRolloverStrategy.getEligibleFiles:(Ljava/lang/String;Ljava/lang/String;Z)Ljava/util/SortedMap;
            areturn
        end local 4 // java.lang.String pattern
        end local 3 // java.lang.StringBuilder buf
        end local 2 // boolean isAscending
        end local 1 // org.apache.logging.log4j.core.appender.rolling.RollingFileManager manager
        end local 0 // org.apache.logging.log4j.core.appender.rolling.AbstractRolloverStrategy this
      LocalVariableTable:
        Start  End  Slot         Name  Signature
            0    4     0         this  Lorg/apache/logging/log4j/core/appender/rolling/AbstractRolloverStrategy;
            0    4     1      manager  Lorg/apache/logging/log4j/core/appender/rolling/RollingFileManager;
            0    4     2  isAscending  Z
            1    4     3          buf  Ljava/lang/StringBuilder;
            2    4     4      pattern  Ljava/lang/String;
    Signature: (Lorg/apache/logging/log4j/core/appender/rolling/RollingFileManager;Z)Ljava/util/SortedMap<Ljava/lang/Integer;Ljava/nio/file/Path;>;
    MethodParameters:
             Name  Flags
      manager      final
      isAscending  final

  protected java.util.SortedMap<java.lang.Integer, java.nio.file.Path> getEligibleFiles(java.lang.String, java.lang.String);
    descriptor: (Ljava/lang/String;Ljava/lang/String;)Ljava/util/SortedMap;
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=4, locals=3, args_size=3
        start local 0 // org.apache.logging.log4j.core.appender.rolling.AbstractRolloverStrategy this
        start local 1 // java.lang.String path
        start local 2 // java.lang.String pattern
         0: .line 98
            aload 0 /* this */
            aload 1 /* path */
            aload 2 /* pattern */
            iconst_1
            invokevirtual org.apache.logging.log4j.core.appender.rolling.AbstractRolloverStrategy.getEligibleFiles:(Ljava/lang/String;Ljava/lang/String;Z)Ljava/util/SortedMap;
            areturn
        end local 2 // java.lang.String pattern
        end local 1 // java.lang.String path
        end local 0 // org.apache.logging.log4j.core.appender.rolling.AbstractRolloverStrategy this
      LocalVariableTable:
        Start  End  Slot     Name  Signature
            0    1     0     this  Lorg/apache/logging/log4j/core/appender/rolling/AbstractRolloverStrategy;
            0    1     1     path  Ljava/lang/String;
            0    1     2  pattern  Ljava/lang/String;
    Signature: (Ljava/lang/String;Ljava/lang/String;)Ljava/util/SortedMap<Ljava/lang/Integer;Ljava/nio/file/Path;>;
    MethodParameters:
         Name  Flags
      path     final
      pattern  final

  protected java.util.SortedMap<java.lang.Integer, java.nio.file.Path> getEligibleFiles(java.lang.String, java.lang.String, boolean);
    descriptor: (Ljava/lang/String;Ljava/lang/String;Z)Ljava/util/SortedMap;
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=6, locals=19, args_size=4
        start local 0 // org.apache.logging.log4j.core.appender.rolling.AbstractRolloverStrategy this
        start local 1 // java.lang.String path
        start local 2 // java.lang.String logfilePattern
        start local 3 // boolean isAscending
         0: .line 102
            new java.util.TreeMap
            dup
            invokespecial java.util.TreeMap.<init>:()V
            astore 4 /* eligibleFiles */
        start local 4 // java.util.TreeMap eligibleFiles
         1: .line 103
            new java.io.File
            dup
            aload 1 /* path */
            invokespecial java.io.File.<init>:(Ljava/lang/String;)V
            astore 5 /* file */
        start local 5 // java.io.File file
         2: .line 104
            aload 5 /* file */
            invokevirtual java.io.File.getParentFile:()Ljava/io/File;
            astore 6 /* parent */
        start local 6 // java.io.File parent
         3: .line 105
            aload 6 /* parent */
            ifnonnull 6
         4: .line 106
            new java.io.File
            dup
            ldc "."
            invokespecial java.io.File.<init>:(Ljava/lang/String;)V
            astore 6 /* parent */
         5: .line 107
            goto 7
         6: .line 108
      StackMap locals: java.util.TreeMap java.io.File java.io.File
      StackMap stack:
            aload 6 /* parent */
            invokevirtual java.io.File.mkdirs:()Z
            pop
         7: .line 110
      StackMap locals:
      StackMap stack:
            getstatic org.apache.logging.log4j.core.appender.rolling.AbstractRolloverStrategy.PATTERN_COUNTER:Ljava/util/regex/Pattern;
            aload 2 /* logfilePattern */
            invokevirtual java.util.regex.Pattern.matcher:(Ljava/lang/CharSequence;)Ljava/util/regex/Matcher;
            invokevirtual java.util.regex.Matcher.matches:()Z
            ifne 9
         8: .line 111
            aload 4 /* eligibleFiles */
            areturn
         9: .line 113
      StackMap locals:
      StackMap stack:
            aload 6 /* parent */
            invokevirtual java.io.File.toPath:()Ljava/nio/file/Path;
            astore 7 /* dir */
        start local 7 // java.nio.file.Path dir
        10: .line 114
            aload 5 /* file */
            invokevirtual java.io.File.getName:()Ljava/lang/String;
            astore 8 /* fileName */
        start local 8 // java.lang.String fileName
        11: .line 115
            aload 0 /* this */
            aload 8 /* fileName */
            invokevirtual org.apache.logging.log4j.core.appender.rolling.AbstractRolloverStrategy.suffixLength:(Ljava/lang/String;)I
            istore 9 /* suffixLength */
        start local 9 // int suffixLength
        12: .line 116
            iload 9 /* suffixLength */
            ifle 14
        13: .line 117
            new java.lang.StringBuilder
            dup
            aload 8 /* fileName */
            iconst_0
            aload 8 /* fileName */
            invokevirtual java.lang.String.length:()I
            iload 9 /* suffixLength */
            isub
            invokevirtual java.lang.String.substring:(II)Ljava/lang/String;
            invokestatic java.lang.String.valueOf:(Ljava/lang/Object;)Ljava/lang/String;
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            ldc ".*"
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            astore 8 /* fileName */
        14: .line 119
      StackMap locals: java.nio.file.Path java.lang.String int
      StackMap stack:
            aload 8 /* fileName */
            ldc "\u0000"
            ldc "(\\d+)"
            invokevirtual java.lang.String.replace:(Ljava/lang/CharSequence;Ljava/lang/CharSequence;)Ljava/lang/String;
            astore 10 /* filePattern */
        start local 10 // java.lang.String filePattern
        15: .line 120
            aload 10 /* filePattern */
            invokestatic java.util.regex.Pattern.compile:(Ljava/lang/String;)Ljava/util/regex/Pattern;
            astore 11 /* pattern */
        start local 11 // java.util.regex.Pattern pattern
        16: .line 122
            aconst_null
            astore 12
            aconst_null
            astore 13
        17: aload 7 /* dir */
            invokestatic java.nio.file.Files.newDirectoryStream:(Ljava/nio/file/Path;)Ljava/nio/file/DirectoryStream;
            astore 14 /* stream */
        start local 14 // java.nio.file.DirectoryStream stream
        18: .line 123
            aload 14 /* stream */
            invokeinterface java.nio.file.DirectoryStream.iterator:()Ljava/util/Iterator;
            astore 16
            goto 24
      StackMap locals: org.apache.logging.log4j.core.appender.rolling.AbstractRolloverStrategy java.lang.String java.lang.String int java.util.TreeMap java.io.File java.io.File java.nio.file.Path java.lang.String int java.lang.String java.util.regex.Pattern java.lang.Throwable java.lang.Throwable java.nio.file.DirectoryStream top java.util.Iterator
      StackMap stack:
        19: aload 16
            invokeinterface java.util.Iterator.next:()Ljava/lang/Object;
            checkcast java.nio.file.Path
            astore 15 /* entry */
        start local 15 // java.nio.file.Path entry
        20: .line 124
            aload 11 /* pattern */
            aload 15 /* entry */
            invokeinterface java.nio.file.Path.toFile:()Ljava/io/File;
            invokevirtual java.io.File.getName:()Ljava/lang/String;
            invokevirtual java.util.regex.Pattern.matcher:(Ljava/lang/CharSequence;)Ljava/util/regex/Matcher;
            astore 17 /* matcher */
        start local 17 // java.util.regex.Matcher matcher
        21: .line 125
            aload 17 /* matcher */
            invokevirtual java.util.regex.Matcher.matches:()Z
            ifeq 24
        22: .line 126
            aload 17 /* matcher */
            iconst_1
            invokevirtual java.util.regex.Matcher.group:(I)Ljava/lang/String;
            invokestatic java.lang.Integer.parseInt:(Ljava/lang/String;)I
            invokestatic java.lang.Integer.valueOf:(I)Ljava/lang/Integer;
            astore 18 /* index */
        start local 18 // java.lang.Integer index
        23: .line 127
            aload 4 /* eligibleFiles */
            aload 18 /* index */
            aload 15 /* entry */
            invokevirtual java.util.TreeMap.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            pop
        end local 18 // java.lang.Integer index
        end local 17 // java.util.regex.Matcher matcher
        end local 15 // java.nio.file.Path entry
        24: .line 123
      StackMap locals:
      StackMap stack:
            aload 16
            invokeinterface java.util.Iterator.hasNext:()Z
            ifne 19
        25: .line 130
            aload 14 /* stream */
            ifnull 33
            aload 14 /* stream */
            invokeinterface java.nio.file.DirectoryStream.close:()V
            goto 33
      StackMap locals: org.apache.logging.log4j.core.appender.rolling.AbstractRolloverStrategy java.lang.String java.lang.String int java.util.TreeMap java.io.File java.io.File java.nio.file.Path java.lang.String int java.lang.String java.util.regex.Pattern java.lang.Throwable java.lang.Throwable java.nio.file.DirectoryStream
      StackMap stack: java.lang.Throwable
        26: astore 12
            aload 14 /* stream */
            ifnull 27
            aload 14 /* stream */
            invokeinterface java.nio.file.DirectoryStream.close:()V
        end local 14 // java.nio.file.DirectoryStream stream
      StackMap locals:
      StackMap stack:
        27: aload 12
            athrow
      StackMap locals:
      StackMap stack: java.lang.Throwable
        28: astore 13
            aload 12
            ifnonnull 29
            aload 13
            astore 12
            goto 30
      StackMap locals:
      StackMap stack:
        29: aload 12
            aload 13
            if_acmpeq 30
            aload 12
            aload 13
            invokevirtual java.lang.Throwable.addSuppressed:(Ljava/lang/Throwable;)V
      StackMap locals:
      StackMap stack:
        30: aload 12
            athrow
      StackMap locals: org.apache.logging.log4j.core.appender.rolling.AbstractRolloverStrategy java.lang.String java.lang.String int java.util.TreeMap java.io.File java.io.File java.nio.file.Path java.lang.String int java.lang.String java.util.regex.Pattern
      StackMap stack: java.io.IOException
        31: astore 12 /* ioe */
        start local 12 // java.io.IOException ioe
        32: .line 131
            new org.apache.logging.log4j.LoggingException
            dup
            new java.lang.StringBuilder
            dup
            ldc "Error reading folder "
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            aload 7 /* dir */
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/Object;)Ljava/lang/StringBuilder;
            ldc " "
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            aload 12 /* ioe */
            invokevirtual java.io.IOException.getMessage:()Ljava/lang/String;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            aload 12 /* ioe */
            invokespecial org.apache.logging.log4j.LoggingException.<init>:(Ljava/lang/String;Ljava/lang/Throwable;)V
            athrow
        end local 12 // java.io.IOException ioe
        33: .line 133
      StackMap locals:
      StackMap stack:
            iload 3 /* isAscending */
            ifeq 34
            aload 4 /* eligibleFiles */
            goto 35
      StackMap locals:
      StackMap stack:
        34: aload 4 /* eligibleFiles */
            invokevirtual java.util.TreeMap.descendingMap:()Ljava/util/NavigableMap;
      StackMap locals:
      StackMap stack: java.util.NavigableMap
        35: areturn
        end local 11 // java.util.regex.Pattern pattern
        end local 10 // java.lang.String filePattern
        end local 9 // int suffixLength
        end local 8 // java.lang.String fileName
        end local 7 // java.nio.file.Path dir
        end local 6 // java.io.File parent
        end local 5 // java.io.File file
        end local 4 // java.util.TreeMap eligibleFiles
        end local 3 // boolean isAscending
        end local 2 // java.lang.String logfilePattern
        end local 1 // java.lang.String path
        end local 0 // org.apache.logging.log4j.core.appender.rolling.AbstractRolloverStrategy this
      LocalVariableTable:
        Start  End  Slot            Name  Signature
            0   36     0            this  Lorg/apache/logging/log4j/core/appender/rolling/AbstractRolloverStrategy;
            0   36     1            path  Ljava/lang/String;
            0   36     2  logfilePattern  Ljava/lang/String;
            0   36     3     isAscending  Z
            1   36     4   eligibleFiles  Ljava/util/TreeMap<Ljava/lang/Integer;Ljava/nio/file/Path;>;
            2   36     5            file  Ljava/io/File;
            3   36     6          parent  Ljava/io/File;
           10   36     7             dir  Ljava/nio/file/Path;
           11   36     8        fileName  Ljava/lang/String;
           12   36     9    suffixLength  I
           15   36    10     filePattern  Ljava/lang/String;
           16   36    11         pattern  Ljava/util/regex/Pattern;
           18   27    14          stream  Ljava/nio/file/DirectoryStream<Ljava/nio/file/Path;>;
           20   24    15           entry  Ljava/nio/file/Path;
           21   24    17         matcher  Ljava/util/regex/Matcher;
           23   24    18           index  Ljava/lang/Integer;
           32   33    12             ioe  Ljava/io/IOException;
      Exception table:
        from    to  target  type
          18    25      26  any
          17    28      28  any
          16    31      31  Class java.io.IOException
    Signature: (Ljava/lang/String;Ljava/lang/String;Z)Ljava/util/SortedMap<Ljava/lang/Integer;Ljava/nio/file/Path;>;
    MethodParameters:
                Name  Flags
      path            final
      logfilePattern  final
      isAscending     final
}
SourceFile: "AbstractRolloverStrategy.java"