https://logging.apache.org/log4j/2.x/log4j-api/: The Apache Log4j API (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 class org.apache.logging.log4j.spi.Provider
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: org.apache.logging.log4j.spi.Provider
  super_class: java.lang.Object
{
  public static final java.lang.String FACTORY_PRIORITY;
    descriptor: Ljava/lang/String;
    flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL
    ConstantValue: "FactoryPriority"

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

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

  private static final java.lang.Integer DEFAULT_PRIORITY;
    descriptor: Ljava/lang/Integer;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL

  private static final org.apache.logging.log4j.Logger LOGGER;
    descriptor: Lorg/apache/logging/log4j/Logger;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL

  private final java.lang.Integer priority;
    descriptor: Ljava/lang/Integer;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private final java.lang.String className;
    descriptor: Ljava/lang/String;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private final java.lang.Class<? extends org.apache.logging.log4j.spi.LoggerContextFactory> loggerContextFactoryClass;
    descriptor: Ljava/lang/Class;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL
    Signature: Ljava/lang/Class<+Lorg/apache/logging/log4j/spi/LoggerContextFactory;>;

  private final java.lang.String threadContextMap;
    descriptor: Ljava/lang/String;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private final java.lang.Class<? extends org.apache.logging.log4j.spi.ThreadContextMap> threadContextMapClass;
    descriptor: Ljava/lang/Class;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL
    Signature: Ljava/lang/Class<+Lorg/apache/logging/log4j/spi/ThreadContextMap;>;

  private final java.lang.String versions;
    descriptor: Ljava/lang/String;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private final java.net.URL url;
    descriptor: Ljava/net/URL;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private final java.lang.ref.WeakReference<java.lang.ClassLoader> classLoader;
    descriptor: Ljava/lang/ref/WeakReference;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL
    Signature: Ljava/lang/ref/WeakReference<Ljava/lang/ClassLoader;>;

  static void <clinit>();
    descriptor: ()V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=1, locals=0, args_size=0
         0: .line 45
            iconst_m1
            invokestatic java.lang.Integer.valueOf:(I)Ljava/lang/Integer;
            putstatic org.apache.logging.log4j.spi.Provider.DEFAULT_PRIORITY:Ljava/lang/Integer;
         1: .line 46
            invokestatic org.apache.logging.log4j.status.StatusLogger.getLogger:()Lorg/apache/logging/log4j/status/StatusLogger;
            putstatic org.apache.logging.log4j.spi.Provider.LOGGER:Lorg/apache/logging/log4j/Logger;
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  public void <init>(java.util.Properties, java.net.URL, java.lang.ClassLoader);
    descriptor: (Ljava/util/Properties;Ljava/net/URL;Ljava/lang/ClassLoader;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=5, args_size=4
        start local 0 // org.apache.logging.log4j.spi.Provider this
        start local 1 // java.util.Properties props
        start local 2 // java.net.URL url
        start local 3 // java.lang.ClassLoader classLoader
         0: .line 57
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 58
            aload 0 /* this */
            aload 2 /* url */
            putfield org.apache.logging.log4j.spi.Provider.url:Ljava/net/URL;
         2: .line 59
            aload 0 /* this */
            new java.lang.ref.WeakReference
            dup
            aload 3 /* classLoader */
            invokespecial java.lang.ref.WeakReference.<init>:(Ljava/lang/Object;)V
            putfield org.apache.logging.log4j.spi.Provider.classLoader:Ljava/lang/ref/WeakReference;
         3: .line 60
            aload 1 /* props */
            ldc "FactoryPriority"
            invokevirtual java.util.Properties.getProperty:(Ljava/lang/String;)Ljava/lang/String;
            astore 4 /* weight */
        start local 4 // java.lang.String weight
         4: .line 61
            aload 0 /* this */
            aload 4 /* weight */
            ifnonnull 5
            getstatic org.apache.logging.log4j.spi.Provider.DEFAULT_PRIORITY:Ljava/lang/Integer;
            goto 6
      StackMap locals: org.apache.logging.log4j.spi.Provider java.util.Properties java.net.URL java.lang.ClassLoader java.lang.String
      StackMap stack: org.apache.logging.log4j.spi.Provider
         5: aload 4 /* weight */
            invokestatic java.lang.Integer.valueOf:(Ljava/lang/String;)Ljava/lang/Integer;
      StackMap locals: org.apache.logging.log4j.spi.Provider java.util.Properties java.net.URL java.lang.ClassLoader java.lang.String
      StackMap stack: org.apache.logging.log4j.spi.Provider java.lang.Integer
         6: putfield org.apache.logging.log4j.spi.Provider.priority:Ljava/lang/Integer;
         7: .line 62
            aload 0 /* this */
            aload 1 /* props */
            ldc "LoggerContextFactory"
            invokevirtual java.util.Properties.getProperty:(Ljava/lang/String;)Ljava/lang/String;
            putfield org.apache.logging.log4j.spi.Provider.className:Ljava/lang/String;
         8: .line 63
            aload 0 /* this */
            aload 1 /* props */
            ldc "ThreadContextMap"
            invokevirtual java.util.Properties.getProperty:(Ljava/lang/String;)Ljava/lang/String;
            putfield org.apache.logging.log4j.spi.Provider.threadContextMap:Ljava/lang/String;
         9: .line 64
            aload 0 /* this */
            aconst_null
            putfield org.apache.logging.log4j.spi.Provider.loggerContextFactoryClass:Ljava/lang/Class;
        10: .line 65
            aload 0 /* this */
            aconst_null
            putfield org.apache.logging.log4j.spi.Provider.threadContextMapClass:Ljava/lang/Class;
        11: .line 66
            aload 0 /* this */
            aconst_null
            putfield org.apache.logging.log4j.spi.Provider.versions:Ljava/lang/String;
        12: .line 67
            return
        end local 4 // java.lang.String weight
        end local 3 // java.lang.ClassLoader classLoader
        end local 2 // java.net.URL url
        end local 1 // java.util.Properties props
        end local 0 // org.apache.logging.log4j.spi.Provider this
      LocalVariableTable:
        Start  End  Slot         Name  Signature
            0   13     0         this  Lorg/apache/logging/log4j/spi/Provider;
            0   13     1        props  Ljava/util/Properties;
            0   13     2          url  Ljava/net/URL;
            0   13     3  classLoader  Ljava/lang/ClassLoader;
            4   13     4       weight  Ljava/lang/String;
    MethodParameters:
             Name  Flags
      props        final
      url          final
      classLoader  final

  public void <init>(java.lang.Integer, java.lang.String, java.lang.Class<? extends org.apache.logging.log4j.spi.LoggerContextFactory>);
    descriptor: (Ljava/lang/Integer;Ljava/lang/String;Ljava/lang/Class;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=4, args_size=4
        start local 0 // org.apache.logging.log4j.spi.Provider this
        start local 1 // java.lang.Integer priority
        start local 2 // java.lang.String versions
        start local 3 // java.lang.Class loggerContextFactoryClass
         0: .line 71
            aload 0 /* this */
            aload 1 /* priority */
            aload 2 /* versions */
            aload 3 /* loggerContextFactoryClass */
            aconst_null
            invokespecial org.apache.logging.log4j.spi.Provider.<init>:(Ljava/lang/Integer;Ljava/lang/String;Ljava/lang/Class;Ljava/lang/Class;)V
         1: .line 72
            return
        end local 3 // java.lang.Class loggerContextFactoryClass
        end local 2 // java.lang.String versions
        end local 1 // java.lang.Integer priority
        end local 0 // org.apache.logging.log4j.spi.Provider this
      LocalVariableTable:
        Start  End  Slot                       Name  Signature
            0    2     0                       this  Lorg/apache/logging/log4j/spi/Provider;
            0    2     1                   priority  Ljava/lang/Integer;
            0    2     2                   versions  Ljava/lang/String;
            0    2     3  loggerContextFactoryClass  Ljava/lang/Class<+Lorg/apache/logging/log4j/spi/LoggerContextFactory;>;
    Signature: (Ljava/lang/Integer;Ljava/lang/String;Ljava/lang/Class<+Lorg/apache/logging/log4j/spi/LoggerContextFactory;>;)V
    MethodParameters:
                           Name  Flags
      priority                   final
      versions                   final
      loggerContextFactoryClass  final

  public void <init>(java.lang.Integer, java.lang.String, java.lang.Class<? extends org.apache.logging.log4j.spi.LoggerContextFactory>, java.lang.Class<? extends org.apache.logging.log4j.spi.ThreadContextMap>);
    descriptor: (Ljava/lang/Integer;Ljava/lang/String;Ljava/lang/Class;Ljava/lang/Class;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=5, args_size=5
        start local 0 // org.apache.logging.log4j.spi.Provider this
        start local 1 // java.lang.Integer priority
        start local 2 // java.lang.String versions
        start local 3 // java.lang.Class loggerContextFactoryClass
        start local 4 // java.lang.Class threadContextMapClass
         0: .line 75
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 78
            aload 0 /* this */
            aconst_null
            putfield org.apache.logging.log4j.spi.Provider.url:Ljava/net/URL;
         2: .line 79
            aload 0 /* this */
            aconst_null
            putfield org.apache.logging.log4j.spi.Provider.classLoader:Ljava/lang/ref/WeakReference;
         3: .line 80
            aload 0 /* this */
            aload 1 /* priority */
            putfield org.apache.logging.log4j.spi.Provider.priority:Ljava/lang/Integer;
         4: .line 81
            aload 0 /* this */
            aload 3 /* loggerContextFactoryClass */
            putfield org.apache.logging.log4j.spi.Provider.loggerContextFactoryClass:Ljava/lang/Class;
         5: .line 82
            aload 0 /* this */
            aload 4 /* threadContextMapClass */
            putfield org.apache.logging.log4j.spi.Provider.threadContextMapClass:Ljava/lang/Class;
         6: .line 83
            aload 0 /* this */
            aconst_null
            putfield org.apache.logging.log4j.spi.Provider.className:Ljava/lang/String;
         7: .line 84
            aload 0 /* this */
            aconst_null
            putfield org.apache.logging.log4j.spi.Provider.threadContextMap:Ljava/lang/String;
         8: .line 85
            aload 0 /* this */
            aload 2 /* versions */
            putfield org.apache.logging.log4j.spi.Provider.versions:Ljava/lang/String;
         9: .line 86
            return
        end local 4 // java.lang.Class threadContextMapClass
        end local 3 // java.lang.Class loggerContextFactoryClass
        end local 2 // java.lang.String versions
        end local 1 // java.lang.Integer priority
        end local 0 // org.apache.logging.log4j.spi.Provider this
      LocalVariableTable:
        Start  End  Slot                       Name  Signature
            0   10     0                       this  Lorg/apache/logging/log4j/spi/Provider;
            0   10     1                   priority  Ljava/lang/Integer;
            0   10     2                   versions  Ljava/lang/String;
            0   10     3  loggerContextFactoryClass  Ljava/lang/Class<+Lorg/apache/logging/log4j/spi/LoggerContextFactory;>;
            0   10     4      threadContextMapClass  Ljava/lang/Class<+Lorg/apache/logging/log4j/spi/ThreadContextMap;>;
    Signature: (Ljava/lang/Integer;Ljava/lang/String;Ljava/lang/Class<+Lorg/apache/logging/log4j/spi/LoggerContextFactory;>;Ljava/lang/Class<+Lorg/apache/logging/log4j/spi/ThreadContextMap;>;)V
    MethodParameters:
                           Name  Flags
      priority                   final
      versions                   final
      loggerContextFactoryClass  final
      threadContextMapClass      final

  public java.lang.String getVersions();
    descriptor: ()Ljava/lang/String;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.apache.logging.log4j.spi.Provider this
         0: .line 93
            aload 0 /* this */
            getfield org.apache.logging.log4j.spi.Provider.versions:Ljava/lang/String;
            areturn
        end local 0 // org.apache.logging.log4j.spi.Provider this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/apache/logging/log4j/spi/Provider;

  public java.lang.Integer getPriority();
    descriptor: ()Ljava/lang/Integer;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.apache.logging.log4j.spi.Provider this
         0: .line 102
            aload 0 /* this */
            getfield org.apache.logging.log4j.spi.Provider.priority:Ljava/lang/Integer;
            areturn
        end local 0 // org.apache.logging.log4j.spi.Provider this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/apache/logging/log4j/spi/Provider;

  public java.lang.String getClassName();
    descriptor: ()Ljava/lang/String;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.apache.logging.log4j.spi.Provider this
         0: .line 112
            aload 0 /* this */
            getfield org.apache.logging.log4j.spi.Provider.loggerContextFactoryClass:Ljava/lang/Class;
            ifnull 2
         1: .line 113
            aload 0 /* this */
            getfield org.apache.logging.log4j.spi.Provider.loggerContextFactoryClass:Ljava/lang/Class;
            invokevirtual java.lang.Class.getName:()Ljava/lang/String;
            areturn
         2: .line 115
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.apache.logging.log4j.spi.Provider.className:Ljava/lang/String;
            areturn
        end local 0 // org.apache.logging.log4j.spi.Provider this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Lorg/apache/logging/log4j/spi/Provider;

  public java.lang.Class<? extends org.apache.logging.log4j.spi.LoggerContextFactory> loadLoggerContextFactory();
    descriptor: ()Ljava/lang/Class;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=3, args_size=1
        start local 0 // org.apache.logging.log4j.spi.Provider this
         0: .line 124
            aload 0 /* this */
            getfield org.apache.logging.log4j.spi.Provider.loggerContextFactoryClass:Ljava/lang/Class;
            ifnull 2
         1: .line 125
            aload 0 /* this */
            getfield org.apache.logging.log4j.spi.Provider.loggerContextFactoryClass:Ljava/lang/Class;
            areturn
         2: .line 127
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.apache.logging.log4j.spi.Provider.className:Ljava/lang/String;
            ifnonnull 4
         3: .line 128
            aconst_null
            areturn
         4: .line 130
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.apache.logging.log4j.spi.Provider.classLoader:Ljava/lang/ref/WeakReference;
            invokevirtual java.lang.ref.WeakReference.get:()Ljava/lang/Object;
            checkcast java.lang.ClassLoader
            astore 1 /* loader */
        start local 1 // java.lang.ClassLoader loader
         5: .line 131
            aload 1 /* loader */
            ifnonnull 7
         6: .line 132
            aconst_null
            areturn
         7: .line 135
      StackMap locals: java.lang.ClassLoader
      StackMap stack:
            aload 1 /* loader */
            aload 0 /* this */
            getfield org.apache.logging.log4j.spi.Provider.className:Ljava/lang/String;
            invokevirtual java.lang.ClassLoader.loadClass:(Ljava/lang/String;)Ljava/lang/Class;
            astore 2 /* clazz */
        start local 2 // java.lang.Class clazz
         8: .line 136
            ldc Lorg/apache/logging/log4j/spi/LoggerContextFactory;
            aload 2 /* clazz */
            invokevirtual java.lang.Class.isAssignableFrom:(Ljava/lang/Class;)Z
            ifeq 13
         9: .line 137
            aload 2 /* clazz */
            ldc Lorg/apache/logging/log4j/spi/LoggerContextFactory;
            invokevirtual java.lang.Class.asSubclass:(Ljava/lang/Class;)Ljava/lang/Class;
        10: areturn
        end local 2 // java.lang.Class clazz
        11: .line 139
      StackMap locals:
      StackMap stack: java.lang.Exception
            astore 2 /* e */
        start local 2 // java.lang.Exception e
        12: .line 140
            getstatic org.apache.logging.log4j.spi.Provider.LOGGER:Lorg/apache/logging/log4j/Logger;
            ldc "Unable to create class {} specified in {}"
            aload 0 /* this */
            getfield org.apache.logging.log4j.spi.Provider.className:Ljava/lang/String;
            aload 0 /* this */
            getfield org.apache.logging.log4j.spi.Provider.url:Ljava/net/URL;
            invokevirtual java.net.URL.toString:()Ljava/lang/String;
            aload 2 /* e */
            invokeinterface org.apache.logging.log4j.Logger.error:(Ljava/lang/String;Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;)V
        end local 2 // java.lang.Exception e
        13: .line 142
      StackMap locals:
      StackMap stack:
            aconst_null
            areturn
        end local 1 // java.lang.ClassLoader loader
        end local 0 // org.apache.logging.log4j.spi.Provider this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0   14     0    this  Lorg/apache/logging/log4j/spi/Provider;
            5   14     1  loader  Ljava/lang/ClassLoader;
            8   11     2   clazz  Ljava/lang/Class<*>;
           12   13     2       e  Ljava/lang/Exception;
      Exception table:
        from    to  target  type
           7    10      11  Class java.lang.Exception
    Signature: ()Ljava/lang/Class<+Lorg/apache/logging/log4j/spi/LoggerContextFactory;>;

  public java.lang.String getThreadContextMap();
    descriptor: ()Ljava/lang/String;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.apache.logging.log4j.spi.Provider this
         0: .line 151
            aload 0 /* this */
            getfield org.apache.logging.log4j.spi.Provider.threadContextMapClass:Ljava/lang/Class;
            ifnull 2
         1: .line 152
            aload 0 /* this */
            getfield org.apache.logging.log4j.spi.Provider.threadContextMapClass:Ljava/lang/Class;
            invokevirtual java.lang.Class.getName:()Ljava/lang/String;
            areturn
         2: .line 154
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.apache.logging.log4j.spi.Provider.threadContextMap:Ljava/lang/String;
            areturn
        end local 0 // org.apache.logging.log4j.spi.Provider this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Lorg/apache/logging/log4j/spi/Provider;

  public java.lang.Class<? extends org.apache.logging.log4j.spi.ThreadContextMap> loadThreadContextMap();
    descriptor: ()Ljava/lang/Class;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=3, args_size=1
        start local 0 // org.apache.logging.log4j.spi.Provider this
         0: .line 163
            aload 0 /* this */
            getfield org.apache.logging.log4j.spi.Provider.threadContextMapClass:Ljava/lang/Class;
            ifnull 2
         1: .line 164
            aload 0 /* this */
            getfield org.apache.logging.log4j.spi.Provider.threadContextMapClass:Ljava/lang/Class;
            areturn
         2: .line 166
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.apache.logging.log4j.spi.Provider.threadContextMap:Ljava/lang/String;
            ifnonnull 4
         3: .line 167
            aconst_null
            areturn
         4: .line 169
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.apache.logging.log4j.spi.Provider.classLoader:Ljava/lang/ref/WeakReference;
            invokevirtual java.lang.ref.WeakReference.get:()Ljava/lang/Object;
            checkcast java.lang.ClassLoader
            astore 1 /* loader */
        start local 1 // java.lang.ClassLoader loader
         5: .line 170
            aload 1 /* loader */
            ifnonnull 7
         6: .line 171
            aconst_null
            areturn
         7: .line 174
      StackMap locals: java.lang.ClassLoader
      StackMap stack:
            aload 1 /* loader */
            aload 0 /* this */
            getfield org.apache.logging.log4j.spi.Provider.threadContextMap:Ljava/lang/String;
            invokevirtual java.lang.ClassLoader.loadClass:(Ljava/lang/String;)Ljava/lang/Class;
            astore 2 /* clazz */
        start local 2 // java.lang.Class clazz
         8: .line 175
            ldc Lorg/apache/logging/log4j/spi/ThreadContextMap;
            aload 2 /* clazz */
            invokevirtual java.lang.Class.isAssignableFrom:(Ljava/lang/Class;)Z
            ifeq 13
         9: .line 176
            aload 2 /* clazz */
            ldc Lorg/apache/logging/log4j/spi/ThreadContextMap;
            invokevirtual java.lang.Class.asSubclass:(Ljava/lang/Class;)Ljava/lang/Class;
        10: areturn
        end local 2 // java.lang.Class clazz
        11: .line 178
      StackMap locals:
      StackMap stack: java.lang.Exception
            astore 2 /* e */
        start local 2 // java.lang.Exception e
        12: .line 179
            getstatic org.apache.logging.log4j.spi.Provider.LOGGER:Lorg/apache/logging/log4j/Logger;
            ldc "Unable to create class {} specified in {}"
            aload 0 /* this */
            getfield org.apache.logging.log4j.spi.Provider.threadContextMap:Ljava/lang/String;
            aload 0 /* this */
            getfield org.apache.logging.log4j.spi.Provider.url:Ljava/net/URL;
            invokevirtual java.net.URL.toString:()Ljava/lang/String;
            aload 2 /* e */
            invokeinterface org.apache.logging.log4j.Logger.error:(Ljava/lang/String;Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;)V
        end local 2 // java.lang.Exception e
        13: .line 181
      StackMap locals:
      StackMap stack:
            aconst_null
            areturn
        end local 1 // java.lang.ClassLoader loader
        end local 0 // org.apache.logging.log4j.spi.Provider this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0   14     0    this  Lorg/apache/logging/log4j/spi/Provider;
            5   14     1  loader  Ljava/lang/ClassLoader;
            8   11     2   clazz  Ljava/lang/Class<*>;
           12   13     2       e  Ljava/lang/Exception;
      Exception table:
        from    to  target  type
           7    10      11  Class java.lang.Exception
    Signature: ()Ljava/lang/Class<+Lorg/apache/logging/log4j/spi/ThreadContextMap;>;

  public java.net.URL getUrl();
    descriptor: ()Ljava/net/URL;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.apache.logging.log4j.spi.Provider this
         0: .line 190
            aload 0 /* this */
            getfield org.apache.logging.log4j.spi.Provider.url:Ljava/net/URL;
            areturn
        end local 0 // org.apache.logging.log4j.spi.Provider this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/apache/logging/log4j/spi/Provider;

  public java.lang.String toString();
    descriptor: ()Ljava/lang/String;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=3, args_size=1
        start local 0 // org.apache.logging.log4j.spi.Provider this
         0: .line 195
            new java.lang.StringBuilder
            dup
            ldc "Provider["
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            astore 1 /* result */
        start local 1 // java.lang.StringBuilder result
         1: .line 196
            getstatic org.apache.logging.log4j.spi.Provider.DEFAULT_PRIORITY:Ljava/lang/Integer;
            aload 0 /* this */
            getfield org.apache.logging.log4j.spi.Provider.priority:Ljava/lang/Integer;
            invokevirtual java.lang.Integer.equals:(Ljava/lang/Object;)Z
            ifne 3
         2: .line 197
            aload 1 /* result */
            ldc "priority="
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            aload 0 /* this */
            getfield org.apache.logging.log4j.spi.Provider.priority:Ljava/lang/Integer;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/Object;)Ljava/lang/StringBuilder;
            ldc ", "
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            pop
         3: .line 199
      StackMap locals: java.lang.StringBuilder
      StackMap stack:
            aload 0 /* this */
            getfield org.apache.logging.log4j.spi.Provider.threadContextMap:Ljava/lang/String;
            ifnull 6
         4: .line 200
            aload 1 /* result */
            ldc "threadContextMap="
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            aload 0 /* this */
            getfield org.apache.logging.log4j.spi.Provider.threadContextMap:Ljava/lang/String;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            ldc ", "
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            pop
         5: .line 201
            goto 8
      StackMap locals:
      StackMap stack:
         6: aload 0 /* this */
            getfield org.apache.logging.log4j.spi.Provider.threadContextMapClass:Ljava/lang/Class;
            ifnull 8
         7: .line 202
            aload 1 /* result */
            ldc "threadContextMapClass="
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            aload 0 /* this */
            getfield org.apache.logging.log4j.spi.Provider.threadContextMapClass:Ljava/lang/Class;
            invokevirtual java.lang.Class.getName:()Ljava/lang/String;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            pop
         8: .line 204
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.apache.logging.log4j.spi.Provider.className:Ljava/lang/String;
            ifnull 11
         9: .line 205
            aload 1 /* result */
            ldc "className="
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            aload 0 /* this */
            getfield org.apache.logging.log4j.spi.Provider.className:Ljava/lang/String;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            ldc ", "
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            pop
        10: .line 206
            goto 13
      StackMap locals:
      StackMap stack:
        11: aload 0 /* this */
            getfield org.apache.logging.log4j.spi.Provider.loggerContextFactoryClass:Ljava/lang/Class;
            ifnull 13
        12: .line 207
            aload 1 /* result */
            ldc "class="
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            aload 0 /* this */
            getfield org.apache.logging.log4j.spi.Provider.loggerContextFactoryClass:Ljava/lang/Class;
            invokevirtual java.lang.Class.getName:()Ljava/lang/String;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            pop
        13: .line 209
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.apache.logging.log4j.spi.Provider.url:Ljava/net/URL;
            ifnull 15
        14: .line 210
            aload 1 /* result */
            ldc "url="
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            aload 0 /* this */
            getfield org.apache.logging.log4j.spi.Provider.url:Ljava/net/URL;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/Object;)Ljava/lang/StringBuilder;
            pop
        15: .line 213
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.apache.logging.log4j.spi.Provider.classLoader:Ljava/lang/ref/WeakReference;
            ifnull 17
            aload 0 /* this */
            getfield org.apache.logging.log4j.spi.Provider.classLoader:Ljava/lang/ref/WeakReference;
            invokevirtual java.lang.ref.WeakReference.get:()Ljava/lang/Object;
            checkcast java.lang.ClassLoader
            dup
            astore 2 /* loader */
        start local 2 // java.lang.ClassLoader loader
        16: ifnonnull 19
        end local 2 // java.lang.ClassLoader loader
        17: .line 214
      StackMap locals:
      StackMap stack:
            aload 1 /* result */
            ldc ", classLoader=null(not reachable)"
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            pop
        18: .line 215
            goto 20
        start local 2 // java.lang.ClassLoader loader
        19: .line 216
      StackMap locals: java.lang.ClassLoader
      StackMap stack:
            aload 1 /* result */
            ldc ", classLoader="
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            aload 2 /* loader */
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/Object;)Ljava/lang/StringBuilder;
            pop
        end local 2 // java.lang.ClassLoader loader
        20: .line 218
      StackMap locals:
      StackMap stack:
            aload 1 /* result */
            ldc "]"
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            pop
        21: .line 219
            aload 1 /* result */
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            areturn
        end local 1 // java.lang.StringBuilder result
        end local 0 // org.apache.logging.log4j.spi.Provider this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0   22     0    this  Lorg/apache/logging/log4j/spi/Provider;
            1   22     1  result  Ljava/lang/StringBuilder;
           16   17     2  loader  Ljava/lang/ClassLoader;
           19   20     2  loader  Ljava/lang/ClassLoader;

  public boolean equals(java.lang.Object);
    descriptor: (Ljava/lang/Object;)Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=3, args_size=2
        start local 0 // org.apache.logging.log4j.spi.Provider this
        start local 1 // java.lang.Object o
         0: .line 224
            aload 0 /* this */
            aload 1 /* o */
            if_acmpne 2
         1: .line 225
            iconst_1
            ireturn
         2: .line 227
      StackMap locals:
      StackMap stack:
            aload 1 /* o */
            ifnull 3
            aload 0 /* this */
            invokevirtual java.lang.Object.getClass:()Ljava/lang/Class;
            aload 1 /* o */
            invokevirtual java.lang.Object.getClass:()Ljava/lang/Class;
            if_acmpeq 4
         3: .line 228
      StackMap locals:
      StackMap stack:
            iconst_0
            ireturn
         4: .line 231
      StackMap locals:
      StackMap stack:
            aload 1 /* o */
            checkcast org.apache.logging.log4j.spi.Provider
            astore 2 /* provider */
        start local 2 // org.apache.logging.log4j.spi.Provider provider
         5: .line 233
            aload 0 /* this */
            getfield org.apache.logging.log4j.spi.Provider.priority:Ljava/lang/Integer;
            ifnull 6
            aload 0 /* this */
            getfield org.apache.logging.log4j.spi.Provider.priority:Ljava/lang/Integer;
            aload 2 /* provider */
            getfield org.apache.logging.log4j.spi.Provider.priority:Ljava/lang/Integer;
            invokevirtual java.lang.Integer.equals:(Ljava/lang/Object;)Z
            ifne 8
            goto 7
      StackMap locals: org.apache.logging.log4j.spi.Provider
      StackMap stack:
         6: aload 2 /* provider */
            getfield org.apache.logging.log4j.spi.Provider.priority:Ljava/lang/Integer;
            ifnull 8
         7: .line 234
      StackMap locals:
      StackMap stack:
            iconst_0
            ireturn
         8: .line 236
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.apache.logging.log4j.spi.Provider.className:Ljava/lang/String;
            ifnull 9
            aload 0 /* this */
            getfield org.apache.logging.log4j.spi.Provider.className:Ljava/lang/String;
            aload 2 /* provider */
            getfield org.apache.logging.log4j.spi.Provider.className:Ljava/lang/String;
            invokevirtual java.lang.String.equals:(Ljava/lang/Object;)Z
            ifne 11
            goto 10
      StackMap locals:
      StackMap stack:
         9: aload 2 /* provider */
            getfield org.apache.logging.log4j.spi.Provider.className:Ljava/lang/String;
            ifnull 11
        10: .line 237
      StackMap locals:
      StackMap stack:
            iconst_0
            ireturn
        11: .line 239
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.apache.logging.log4j.spi.Provider.loggerContextFactoryClass:Ljava/lang/Class;
            ifnull 12
            aload 0 /* this */
            getfield org.apache.logging.log4j.spi.Provider.loggerContextFactoryClass:Ljava/lang/Class;
            aload 2 /* provider */
            getfield org.apache.logging.log4j.spi.Provider.loggerContextFactoryClass:Ljava/lang/Class;
            invokevirtual java.lang.Object.equals:(Ljava/lang/Object;)Z
            ifne 14
            goto 13
      StackMap locals:
      StackMap stack:
        12: aload 2 /* provider */
            getfield org.apache.logging.log4j.spi.Provider.loggerContextFactoryClass:Ljava/lang/Class;
            ifnull 14
        13: .line 240
      StackMap locals:
      StackMap stack:
            iconst_0
            ireturn
        14: .line 242
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.apache.logging.log4j.spi.Provider.versions:Ljava/lang/String;
            ifnull 15
            aload 0 /* this */
            getfield org.apache.logging.log4j.spi.Provider.versions:Ljava/lang/String;
            aload 2 /* provider */
            getfield org.apache.logging.log4j.spi.Provider.versions:Ljava/lang/String;
            invokevirtual java.lang.String.equals:(Ljava/lang/Object;)Z
            goto 17
      StackMap locals:
      StackMap stack:
        15: aload 2 /* provider */
            getfield org.apache.logging.log4j.spi.Provider.versions:Ljava/lang/String;
            ifnonnull 16
            iconst_1
            goto 17
      StackMap locals:
      StackMap stack:
        16: iconst_0
      StackMap locals:
      StackMap stack: int
        17: ireturn
        end local 2 // org.apache.logging.log4j.spi.Provider provider
        end local 1 // java.lang.Object o
        end local 0 // org.apache.logging.log4j.spi.Provider this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0   18     0      this  Lorg/apache/logging/log4j/spi/Provider;
            0   18     1         o  Ljava/lang/Object;
            5   18     2  provider  Lorg/apache/logging/log4j/spi/Provider;
    MethodParameters:
      Name  Flags
      o     final

  public int hashCode();
    descriptor: ()I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=1
        start local 0 // org.apache.logging.log4j.spi.Provider this
         0: .line 247
            aload 0 /* this */
            getfield org.apache.logging.log4j.spi.Provider.priority:Ljava/lang/Integer;
            ifnull 1
            aload 0 /* this */
            getfield org.apache.logging.log4j.spi.Provider.priority:Ljava/lang/Integer;
            invokevirtual java.lang.Integer.hashCode:()I
            goto 2
      StackMap locals:
      StackMap stack:
         1: iconst_0
      StackMap locals:
      StackMap stack: int
         2: istore 1 /* result */
        start local 1 // int result
         3: .line 248
            bipush 31
            iload 1 /* result */
            imul
            aload 0 /* this */
            getfield org.apache.logging.log4j.spi.Provider.className:Ljava/lang/String;
            ifnull 4
            aload 0 /* this */
            getfield org.apache.logging.log4j.spi.Provider.className:Ljava/lang/String;
            invokevirtual java.lang.String.hashCode:()I
            goto 5
      StackMap locals: org.apache.logging.log4j.spi.Provider int
      StackMap stack: int
         4: iconst_0
      StackMap locals: org.apache.logging.log4j.spi.Provider int
      StackMap stack: int int
         5: iadd
            istore 1 /* result */
         6: .line 249
            bipush 31
            iload 1 /* result */
            imul
            aload 0 /* this */
            getfield org.apache.logging.log4j.spi.Provider.loggerContextFactoryClass:Ljava/lang/Class;
            ifnull 7
            aload 0 /* this */
            getfield org.apache.logging.log4j.spi.Provider.loggerContextFactoryClass:Ljava/lang/Class;
            invokevirtual java.lang.Object.hashCode:()I
            goto 8
      StackMap locals:
      StackMap stack: int
         7: iconst_0
      StackMap locals: org.apache.logging.log4j.spi.Provider int
      StackMap stack: int int
         8: iadd
            istore 1 /* result */
         9: .line 250
            bipush 31
            iload 1 /* result */
            imul
            aload 0 /* this */
            getfield org.apache.logging.log4j.spi.Provider.versions:Ljava/lang/String;
            ifnull 10
            aload 0 /* this */
            getfield org.apache.logging.log4j.spi.Provider.versions:Ljava/lang/String;
            invokevirtual java.lang.String.hashCode:()I
            goto 11
      StackMap locals:
      StackMap stack: int
        10: iconst_0
      StackMap locals: org.apache.logging.log4j.spi.Provider int
      StackMap stack: int int
        11: iadd
            istore 1 /* result */
        12: .line 251
            iload 1 /* result */
            ireturn
        end local 1 // int result
        end local 0 // org.apache.logging.log4j.spi.Provider this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0   13     0    this  Lorg/apache/logging/log4j/spi/Provider;
            3   13     1  result  I
}
SourceFile: "Provider.java"