public abstract class org.springframework.boot.logging.LoggingSystem
  minor version: 0
  major version: 59
  flags: flags: (0x0421) ACC_PUBLIC, ACC_SUPER, ACC_ABSTRACT
  this_class: org.springframework.boot.logging.LoggingSystem
  super_class: java.lang.Object
{
  public static final java.lang.String SYSTEM_PROPERTY;
    descriptor: Ljava/lang/String;
    flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL

  public static final java.lang.String NONE;
    descriptor: Ljava/lang/String;
    flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL
    ConstantValue: "none"

  public static final java.lang.String ROOT_LOGGER_NAME;
    descriptor: Ljava/lang/String;
    flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL
    ConstantValue: "ROOT"

  private static final java.util.Map<java.lang.String, java.lang.String> SYSTEMS;
    descriptor: Ljava/util/Map;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
    Signature: Ljava/util/Map<Ljava/lang/String;Ljava/lang/String;>;

  static void <clinit>();
    descriptor: ()V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=3, locals=1, args_size=0
         0: .line 44
            ldc Lorg/springframework/boot/logging/LoggingSystem;
            invokevirtual java.lang.Class.getName:()Ljava/lang/String;
            putstatic org.springframework.boot.logging.LoggingSystem.SYSTEM_PROPERTY:Ljava/lang/String;
         1: .line 62
            new java.util.LinkedHashMap
            dup
            invokespecial java.util.LinkedHashMap.<init>:()V
            astore 0 /* systems */
        start local 0 // java.util.Map systems
         2: .line 63
            aload 0 /* systems */
            ldc "ch.qos.logback.core.Appender"
            ldc "org.springframework.boot.logging.logback.LogbackLoggingSystem"
            invokeinterface java.util.Map.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            pop
         3: .line 64
            aload 0 /* systems */
            ldc "org.apache.logging.log4j.core.impl.Log4jContextFactory"
         4: .line 65
            ldc "org.springframework.boot.logging.log4j2.Log4J2LoggingSystem"
         5: .line 64
            invokeinterface java.util.Map.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            pop
         6: .line 66
            aload 0 /* systems */
            ldc "java.util.logging.LogManager"
            ldc "org.springframework.boot.logging.java.JavaLoggingSystem"
            invokeinterface java.util.Map.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            pop
         7: .line 67
            aload 0 /* systems */
            invokestatic java.util.Collections.unmodifiableMap:(Ljava/util/Map;)Ljava/util/Map;
            putstatic org.springframework.boot.logging.LoggingSystem.SYSTEMS:Ljava/util/Map;
        end local 0 // java.util.Map systems
         8: .line 68
            return
      LocalVariableTable:
        Start  End  Slot     Name  Signature
            2    8     0  systems  Ljava/util/Map<Ljava/lang/String;Ljava/lang/String;>;

  public void <init>();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.springframework.boot.logging.LoggingSystem this
         0: .line 39
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
            return
        end local 0 // org.springframework.boot.logging.LoggingSystem this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/springframework/boot/logging/LoggingSystem;

  public abstract void beforeInitialize();
    descriptor: ()V
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT

  public void initialize(org.springframework.boot.logging.LoggingInitializationContext, java.lang.String, org.springframework.boot.logging.LogFile);
    descriptor: (Lorg/springframework/boot/logging/LoggingInitializationContext;Ljava/lang/String;Lorg/springframework/boot/logging/LogFile;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=0, locals=4, args_size=4
        start local 0 // org.springframework.boot.logging.LoggingSystem this
        start local 1 // org.springframework.boot.logging.LoggingInitializationContext initializationContext
        start local 2 // java.lang.String configLocation
        start local 3 // org.springframework.boot.logging.LogFile logFile
         0: .line 86
            return
        end local 3 // org.springframework.boot.logging.LogFile logFile
        end local 2 // java.lang.String configLocation
        end local 1 // org.springframework.boot.logging.LoggingInitializationContext initializationContext
        end local 0 // org.springframework.boot.logging.LoggingSystem this
      LocalVariableTable:
        Start  End  Slot                   Name  Signature
            0    1     0                   this  Lorg/springframework/boot/logging/LoggingSystem;
            0    1     1  initializationContext  Lorg/springframework/boot/logging/LoggingInitializationContext;
            0    1     2         configLocation  Ljava/lang/String;
            0    1     3                logFile  Lorg/springframework/boot/logging/LogFile;
    MethodParameters:
                       Name  Flags
      initializationContext  
      configLocation         
      logFile                

  public void cleanUp();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=0, locals=1, args_size=1
        start local 0 // org.springframework.boot.logging.LoggingSystem this
         0: .line 93
            return
        end local 0 // org.springframework.boot.logging.LoggingSystem this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/springframework/boot/logging/LoggingSystem;

  public java.lang.Runnable getShutdownHandler();
    descriptor: ()Ljava/lang/Runnable;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.springframework.boot.logging.LoggingSystem this
         0: .line 102
            aconst_null
            areturn
        end local 0 // org.springframework.boot.logging.LoggingSystem this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/springframework/boot/logging/LoggingSystem;

  public java.util.Set<org.springframework.boot.logging.LogLevel> getSupportedLogLevels();
    descriptor: ()Ljava/util/Set;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.springframework.boot.logging.LoggingSystem this
         0: .line 111
            ldc Lorg/springframework/boot/logging/LogLevel;
            invokestatic java.util.EnumSet.allOf:(Ljava/lang/Class;)Ljava/util/EnumSet;
            areturn
        end local 0 // org.springframework.boot.logging.LoggingSystem this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/springframework/boot/logging/LoggingSystem;
    Signature: ()Ljava/util/Set<Lorg/springframework/boot/logging/LogLevel;>;

  public void setLogLevel(java.lang.String, org.springframework.boot.logging.LogLevel);
    descriptor: (Ljava/lang/String;Lorg/springframework/boot/logging/LogLevel;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=3, args_size=3
        start local 0 // org.springframework.boot.logging.LoggingSystem this
        start local 1 // java.lang.String loggerName
        start local 2 // org.springframework.boot.logging.LogLevel level
         0: .line 122
            new java.lang.UnsupportedOperationException
            dup
            ldc "Unable to set log level"
            invokespecial java.lang.UnsupportedOperationException.<init>:(Ljava/lang/String;)V
            athrow
        end local 2 // org.springframework.boot.logging.LogLevel level
        end local 1 // java.lang.String loggerName
        end local 0 // org.springframework.boot.logging.LoggingSystem this
      LocalVariableTable:
        Start  End  Slot        Name  Signature
            0    1     0        this  Lorg/springframework/boot/logging/LoggingSystem;
            0    1     1  loggerName  Ljava/lang/String;
            0    1     2       level  Lorg/springframework/boot/logging/LogLevel;
    MethodParameters:
            Name  Flags
      loggerName  
      level       

  public java.util.List<org.springframework.boot.logging.LoggerConfiguration> getLoggerConfigurations();
    descriptor: ()Ljava/util/List;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=1, args_size=1
        start local 0 // org.springframework.boot.logging.LoggingSystem this
         0: .line 132
            new java.lang.UnsupportedOperationException
            dup
            ldc "Unable to get logger configurations"
            invokespecial java.lang.UnsupportedOperationException.<init>:(Ljava/lang/String;)V
            athrow
        end local 0 // org.springframework.boot.logging.LoggingSystem this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/springframework/boot/logging/LoggingSystem;
    Signature: ()Ljava/util/List<Lorg/springframework/boot/logging/LoggerConfiguration;>;

  public org.springframework.boot.logging.LoggerConfiguration getLoggerConfiguration(java.lang.String);
    descriptor: (Ljava/lang/String;)Lorg/springframework/boot/logging/LoggerConfiguration;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=2, args_size=2
        start local 0 // org.springframework.boot.logging.LoggingSystem this
        start local 1 // java.lang.String loggerName
         0: .line 142
            new java.lang.UnsupportedOperationException
            dup
            ldc "Unable to get logger configuration"
            invokespecial java.lang.UnsupportedOperationException.<init>:(Ljava/lang/String;)V
            athrow
        end local 1 // java.lang.String loggerName
        end local 0 // org.springframework.boot.logging.LoggingSystem this
      LocalVariableTable:
        Start  End  Slot        Name  Signature
            0    1     0        this  Lorg/springframework/boot/logging/LoggingSystem;
            0    1     1  loggerName  Ljava/lang/String;
    MethodParameters:
            Name  Flags
      loggerName  

  public static org.springframework.boot.logging.LoggingSystem get(java.lang.ClassLoader);
    descriptor: (Ljava/lang/ClassLoader;)Lorg/springframework/boot/logging/LoggingSystem;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=2, locals=2, args_size=1
        start local 0 // java.lang.ClassLoader classLoader
         0: .line 151
            getstatic org.springframework.boot.logging.LoggingSystem.SYSTEM_PROPERTY:Ljava/lang/String;
            invokestatic java.lang.System.getProperty:(Ljava/lang/String;)Ljava/lang/String;
            astore 1 /* loggingSystem */
        start local 1 // java.lang.String loggingSystem
         1: .line 152
            aload 1 /* loggingSystem */
            invokestatic org.springframework.util.StringUtils.hasLength:(Ljava/lang/String;)Z
            ifeq 5
         2: .line 153
            ldc "none"
            aload 1 /* loggingSystem */
            invokevirtual java.lang.String.equals:(Ljava/lang/Object;)Z
            ifeq 4
         3: .line 154
            new org.springframework.boot.logging.LoggingSystem$NoOpLoggingSystem
            dup
            invokespecial org.springframework.boot.logging.LoggingSystem$NoOpLoggingSystem.<init>:()V
            areturn
         4: .line 156
      StackMap locals: java.lang.String
      StackMap stack:
            aload 0 /* classLoader */
            aload 1 /* loggingSystem */
            invokestatic org.springframework.boot.logging.LoggingSystem.get:(Ljava/lang/ClassLoader;Ljava/lang/String;)Lorg/springframework/boot/logging/LoggingSystem;
            areturn
         5: .line 158
      StackMap locals:
      StackMap stack:
            getstatic org.springframework.boot.logging.LoggingSystem.SYSTEMS:Ljava/util/Map;
            invokeinterface java.util.Map.entrySet:()Ljava/util/Set;
            invokeinterface java.util.Set.stream:()Ljava/util/stream/Stream;
            aload 0 /* classLoader */
            invokedynamic test(Ljava/lang/ClassLoader;)Ljava/util/function/Predicate;
              Bootstrap: invokestatic java.lang.invoke.LambdaMetafactory.metafactory:(Ljava/lang/invoke/MethodHandles$Lookup;Ljava/lang/String;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodHandle;Ljava/lang/invoke/MethodType;)Ljava/lang/invoke/CallSite;
                Method arguments:
                  (Ljava/lang/Object;)Z
                  org/springframework/boot/logging/LoggingSystem.lambda$0(Ljava/lang/ClassLoader;Ljava/util/Map$Entry;)Z (6)
                  (Ljava/util/Map$Entry;)Z
            invokeinterface java.util.stream.Stream.filter:(Ljava/util/function/Predicate;)Ljava/util/stream/Stream;
         6: .line 159
            aload 0 /* classLoader */
            invokedynamic apply(Ljava/lang/ClassLoader;)Ljava/util/function/Function;
              Bootstrap: invokestatic java.lang.invoke.LambdaMetafactory.metafactory:(Ljava/lang/invoke/MethodHandles$Lookup;Ljava/lang/String;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodHandle;Ljava/lang/invoke/MethodType;)Ljava/lang/invoke/CallSite;
                Method arguments:
                  (Ljava/lang/Object;)Ljava/lang/Object;
                  org/springframework/boot/logging/LoggingSystem.lambda$1(Ljava/lang/ClassLoader;Ljava/util/Map$Entry;)Lorg/springframework/boot/logging/LoggingSystem; (6)
                  (Ljava/util/Map$Entry;)Lorg/springframework/boot/logging/LoggingSystem;
            invokeinterface java.util.stream.Stream.map:(Ljava/util/function/Function;)Ljava/util/stream/Stream;
            invokeinterface java.util.stream.Stream.findFirst:()Ljava/util/Optional;
         7: .line 160
            invokedynamic get()Ljava/util/function/Supplier;
              Bootstrap: invokestatic java.lang.invoke.LambdaMetafactory.metafactory:(Ljava/lang/invoke/MethodHandles$Lookup;Ljava/lang/String;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodHandle;Ljava/lang/invoke/MethodType;)Ljava/lang/invoke/CallSite;
                Method arguments:
                  ()Ljava/lang/Object;
                  org/springframework/boot/logging/LoggingSystem.lambda$2()Ljava/lang/IllegalStateException; (6)
                  ()Ljava/lang/IllegalStateException;
            invokevirtual java.util.Optional.orElseThrow:(Ljava/util/function/Supplier;)Ljava/lang/Object;
            checkcast org.springframework.boot.logging.LoggingSystem
         8: .line 158
            areturn
        end local 1 // java.lang.String loggingSystem
        end local 0 // java.lang.ClassLoader classLoader
      LocalVariableTable:
        Start  End  Slot           Name  Signature
            0    9     0    classLoader  Ljava/lang/ClassLoader;
            1    9     1  loggingSystem  Ljava/lang/String;
    MethodParameters:
             Name  Flags
      classLoader  

  private static org.springframework.boot.logging.LoggingSystem get(java.lang.ClassLoader, java.lang.String);
    descriptor: (Ljava/lang/ClassLoader;Ljava/lang/String;)Lorg/springframework/boot/logging/LoggingSystem;
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC
    Code:
      stack=5, locals=4, args_size=2
        start local 0 // java.lang.ClassLoader classLoader
        start local 1 // java.lang.String loggingSystemClass
         0: .line 165
            aload 1 /* loggingSystemClass */
            aload 0 /* classLoader */
            invokestatic org.springframework.util.ClassUtils.forName:(Ljava/lang/String;Ljava/lang/ClassLoader;)Ljava/lang/Class;
            astore 2 /* systemClass */
        start local 2 // java.lang.Class systemClass
         1: .line 166
            aload 2 /* systemClass */
            iconst_1
            anewarray java.lang.Class
            dup
            iconst_0
            ldc Ljava/lang/ClassLoader;
            aastore
            invokevirtual java.lang.Class.getDeclaredConstructor:([Ljava/lang/Class;)Ljava/lang/reflect/Constructor;
            astore 3 /* constructor */
        start local 3 // java.lang.reflect.Constructor constructor
         2: .line 167
            aload 3 /* constructor */
            iconst_1
            invokevirtual java.lang.reflect.Constructor.setAccessible:(Z)V
         3: .line 168
            aload 3 /* constructor */
            iconst_1
            anewarray java.lang.Object
            dup
            iconst_0
            aload 0 /* classLoader */
            aastore
            invokevirtual java.lang.reflect.Constructor.newInstance:([Ljava/lang/Object;)Ljava/lang/Object;
            checkcast org.springframework.boot.logging.LoggingSystem
         4: areturn
        end local 3 // java.lang.reflect.Constructor constructor
        end local 2 // java.lang.Class systemClass
         5: .line 170
      StackMap locals:
      StackMap stack: java.lang.Exception
            astore 2 /* ex */
        start local 2 // java.lang.Exception ex
         6: .line 171
            new java.lang.IllegalStateException
            dup
            aload 2 /* ex */
            invokespecial java.lang.IllegalStateException.<init>:(Ljava/lang/Throwable;)V
            athrow
        end local 2 // java.lang.Exception ex
        end local 1 // java.lang.String loggingSystemClass
        end local 0 // java.lang.ClassLoader classLoader
      LocalVariableTable:
        Start  End  Slot                Name  Signature
            0    7     0         classLoader  Ljava/lang/ClassLoader;
            0    7     1  loggingSystemClass  Ljava/lang/String;
            1    5     2         systemClass  Ljava/lang/Class<*>;
            2    5     3         constructor  Ljava/lang/reflect/Constructor<*>;
            6    7     2                  ex  Ljava/lang/Exception;
      Exception table:
        from    to  target  type
           0     4       5  Class java.lang.Exception
    MethodParameters:
                    Name  Flags
      classLoader         
      loggingSystemClass  

  private static boolean lambda$0(java.lang.ClassLoader, java.util.Map$Entry);
    descriptor: (Ljava/lang/ClassLoader;Ljava/util/Map$Entry;)Z
    flags: (0x100a) ACC_PRIVATE, ACC_STATIC, ACC_SYNTHETIC
    Code:
      stack=2, locals=2, args_size=2
        start local 1 // java.util.Map$Entry entry
         0: .line 158
            aload 1 /* entry */
            invokeinterface java.util.Map$Entry.getKey:()Ljava/lang/Object;
            checkcast java.lang.String
            aload 0
            invokestatic org.springframework.util.ClassUtils.isPresent:(Ljava/lang/String;Ljava/lang/ClassLoader;)Z
            ireturn
        end local 1 // java.util.Map$Entry entry
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    1     1  entry  Ljava/util/Map$Entry<Ljava/lang/String;Ljava/lang/String;>;

  private static org.springframework.boot.logging.LoggingSystem lambda$1(java.lang.ClassLoader, java.util.Map$Entry);
    descriptor: (Ljava/lang/ClassLoader;Ljava/util/Map$Entry;)Lorg/springframework/boot/logging/LoggingSystem;
    flags: (0x100a) ACC_PRIVATE, ACC_STATIC, ACC_SYNTHETIC
    Code:
      stack=2, locals=2, args_size=2
        start local 1 // java.util.Map$Entry entry
         0: .line 159
            aload 0
            aload 1 /* entry */
            invokeinterface java.util.Map$Entry.getValue:()Ljava/lang/Object;
            checkcast java.lang.String
            invokestatic org.springframework.boot.logging.LoggingSystem.get:(Ljava/lang/ClassLoader;Ljava/lang/String;)Lorg/springframework/boot/logging/LoggingSystem;
            areturn
        end local 1 // java.util.Map$Entry entry
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    1     1  entry  Ljava/util/Map$Entry<Ljava/lang/String;Ljava/lang/String;>;

  private static java.lang.IllegalStateException lambda$2();
    descriptor: ()Ljava/lang/IllegalStateException;
    flags: (0x100a) ACC_PRIVATE, ACC_STATIC, ACC_SYNTHETIC
    Code:
      stack=3, locals=0, args_size=0
         0: .line 160
            new java.lang.IllegalStateException
            dup
            ldc "No suitable logging system located"
            invokespecial java.lang.IllegalStateException.<init>:(Ljava/lang/String;)V
            areturn
      LocalVariableTable:
        Start  End  Slot  Name  Signature
}
SourceFile: "LoggingSystem.java"
NestMembers:
  org.springframework.boot.logging.LoggingSystem$NoOpLoggingSystem
InnerClasses:
  public final Lookup = java.lang.invoke.MethodHandles$Lookup of java.lang.invoke.MethodHandles
  public abstract Entry = java.util.Map$Entry of java.util.Map
  NoOpLoggingSystem = org.springframework.boot.logging.LoggingSystem$NoOpLoggingSystem of org.springframework.boot.logging.LoggingSystem