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 (Independent Consultant)
  • Bruce Brouwer
  • Mikael Ståldal (Spotify) 
public class org.apache.logging.log4j.core.selector.ClassLoaderContextSelector implements org.apache.logging.log4j.core.selector.ContextSelector
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: org.apache.logging.log4j.core.selector.ClassLoaderContextSelector
  super_class: java.lang.Object
{
  private static final java.util.concurrent.atomic.AtomicReference<org.apache.logging.log4j.core.LoggerContext> DEFAULT_CONTEXT;
    descriptor: Ljava/util/concurrent/atomic/AtomicReference;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
    Signature: Ljava/util/concurrent/atomic/AtomicReference<Lorg/apache/logging/log4j/core/LoggerContext;>;

  protected static final org.apache.logging.log4j.status.StatusLogger LOGGER;
    descriptor: Lorg/apache/logging/log4j/status/StatusLogger;
    flags: (0x001c) ACC_PROTECTED, ACC_STATIC, ACC_FINAL

  protected static final java.util.concurrent.ConcurrentMap<java.lang.String, java.util.concurrent.atomic.AtomicReference<java.lang.ref.WeakReference<org.apache.logging.log4j.core.LoggerContext>>> CONTEXT_MAP;
    descriptor: Ljava/util/concurrent/ConcurrentMap;
    flags: (0x001c) ACC_PROTECTED, ACC_STATIC, ACC_FINAL
    Signature: Ljava/util/concurrent/ConcurrentMap<Ljava/lang/String;Ljava/util/concurrent/atomic/AtomicReference<Ljava/lang/ref/WeakReference<Lorg/apache/logging/log4j/core/LoggerContext;>;>;>;

  static void <clinit>();
    descriptor: ()V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=2, locals=0, args_size=0
         0: .line 48
            new java.util.concurrent.atomic.AtomicReference
            dup
            invokespecial java.util.concurrent.atomic.AtomicReference.<init>:()V
            putstatic org.apache.logging.log4j.core.selector.ClassLoaderContextSelector.DEFAULT_CONTEXT:Ljava/util/concurrent/atomic/AtomicReference;
         1: .line 50
            invokestatic org.apache.logging.log4j.status.StatusLogger.getLogger:()Lorg/apache/logging/log4j/status/StatusLogger;
            putstatic org.apache.logging.log4j.core.selector.ClassLoaderContextSelector.LOGGER:Lorg/apache/logging/log4j/status/StatusLogger;
         2: .line 53
            new java.util.concurrent.ConcurrentHashMap
            dup
            invokespecial java.util.concurrent.ConcurrentHashMap.<init>:()V
         3: .line 52
            putstatic org.apache.logging.log4j.core.selector.ClassLoaderContextSelector.CONTEXT_MAP:Ljava/util/concurrent/ConcurrentMap;
         4: .line 53
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  public void <init>();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.apache.logging.log4j.core.selector.ClassLoaderContextSelector this
         0: .line 46
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
            return
        end local 0 // org.apache.logging.log4j.core.selector.ClassLoaderContextSelector this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/apache/logging/log4j/core/selector/ClassLoaderContextSelector;

  public org.apache.logging.log4j.core.LoggerContext getContext(java.lang.String, java.lang.ClassLoader, boolean);
    descriptor: (Ljava/lang/String;Ljava/lang/ClassLoader;Z)Lorg/apache/logging/log4j/core/LoggerContext;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=4, args_size=4
        start local 0 // org.apache.logging.log4j.core.selector.ClassLoaderContextSelector this
        start local 1 // java.lang.String fqcn
        start local 2 // java.lang.ClassLoader loader
        start local 3 // boolean currentContext
         0: .line 57
            aload 0 /* this */
            aload 1 /* fqcn */
            aload 2 /* loader */
            iload 3 /* currentContext */
            aconst_null
            invokevirtual org.apache.logging.log4j.core.selector.ClassLoaderContextSelector.getContext:(Ljava/lang/String;Ljava/lang/ClassLoader;ZLjava/net/URI;)Lorg/apache/logging/log4j/core/LoggerContext;
            areturn
        end local 3 // boolean currentContext
        end local 2 // java.lang.ClassLoader loader
        end local 1 // java.lang.String fqcn
        end local 0 // org.apache.logging.log4j.core.selector.ClassLoaderContextSelector this
      LocalVariableTable:
        Start  End  Slot            Name  Signature
            0    1     0            this  Lorg/apache/logging/log4j/core/selector/ClassLoaderContextSelector;
            0    1     1            fqcn  Ljava/lang/String;
            0    1     2          loader  Ljava/lang/ClassLoader;
            0    1     3  currentContext  Z
    MethodParameters:
                Name  Flags
      fqcn            final
      loader          final
      currentContext  final

  public org.apache.logging.log4j.core.LoggerContext getContext(java.lang.String, java.lang.ClassLoader, boolean, java.net.URI);
    descriptor: (Ljava/lang/String;Ljava/lang/ClassLoader;ZLjava/net/URI;)Lorg/apache/logging/log4j/core/LoggerContext;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=7, args_size=5
        start local 0 // org.apache.logging.log4j.core.selector.ClassLoaderContextSelector this
        start local 1 // java.lang.String fqcn
        start local 2 // java.lang.ClassLoader loader
        start local 3 // boolean currentContext
        start local 4 // java.net.URI configLocation
         0: .line 63
            iload 3 /* currentContext */
            ifeq 5
         1: .line 64
            getstatic org.apache.logging.log4j.core.impl.ContextAnchor.THREAD_CONTEXT:Ljava/lang/ThreadLocal;
            invokevirtual java.lang.ThreadLocal.get:()Ljava/lang/Object;
            checkcast org.apache.logging.log4j.core.LoggerContext
            astore 5 /* ctx */
        start local 5 // org.apache.logging.log4j.core.LoggerContext ctx
         2: .line 65
            aload 5 /* ctx */
            ifnull 4
         3: .line 66
            aload 5 /* ctx */
            areturn
         4: .line 68
      StackMap locals: org.apache.logging.log4j.core.LoggerContext
      StackMap stack:
            aload 0 /* this */
            invokevirtual org.apache.logging.log4j.core.selector.ClassLoaderContextSelector.getDefault:()Lorg/apache/logging/log4j/core/LoggerContext;
            areturn
        end local 5 // org.apache.logging.log4j.core.LoggerContext ctx
         5: .line 69
      StackMap locals:
      StackMap stack:
            aload 2 /* loader */
            ifnull 7
         6: .line 70
            aload 0 /* this */
            aload 2 /* loader */
            aload 4 /* configLocation */
            invokevirtual org.apache.logging.log4j.core.selector.ClassLoaderContextSelector.locateContext:(Ljava/lang/ClassLoader;Ljava/net/URI;)Lorg/apache/logging/log4j/core/LoggerContext;
            areturn
         7: .line 72
      StackMap locals:
      StackMap stack:
            aload 1 /* fqcn */
            invokestatic org.apache.logging.log4j.util.StackLocatorUtil.getCallerClass:(Ljava/lang/String;)Ljava/lang/Class;
            astore 5 /* clazz */
        start local 5 // java.lang.Class clazz
         8: .line 73
            aload 5 /* clazz */
            ifnull 10
         9: .line 74
            aload 0 /* this */
            aload 5 /* clazz */
            invokevirtual java.lang.Class.getClassLoader:()Ljava/lang/ClassLoader;
            aload 4 /* configLocation */
            invokevirtual org.apache.logging.log4j.core.selector.ClassLoaderContextSelector.locateContext:(Ljava/lang/ClassLoader;Ljava/net/URI;)Lorg/apache/logging/log4j/core/LoggerContext;
            areturn
        10: .line 76
      StackMap locals: java.lang.Class
      StackMap stack:
            getstatic org.apache.logging.log4j.core.impl.ContextAnchor.THREAD_CONTEXT:Ljava/lang/ThreadLocal;
            invokevirtual java.lang.ThreadLocal.get:()Ljava/lang/Object;
            checkcast org.apache.logging.log4j.core.LoggerContext
            astore 6 /* lc */
        start local 6 // org.apache.logging.log4j.core.LoggerContext lc
        11: .line 77
            aload 6 /* lc */
            ifnull 13
        12: .line 78
            aload 6 /* lc */
            areturn
        13: .line 80
      StackMap locals: org.apache.logging.log4j.core.LoggerContext
      StackMap stack:
            aload 0 /* this */
            invokevirtual org.apache.logging.log4j.core.selector.ClassLoaderContextSelector.getDefault:()Lorg/apache/logging/log4j/core/LoggerContext;
            areturn
        end local 6 // org.apache.logging.log4j.core.LoggerContext lc
        end local 5 // java.lang.Class clazz
        end local 4 // java.net.URI configLocation
        end local 3 // boolean currentContext
        end local 2 // java.lang.ClassLoader loader
        end local 1 // java.lang.String fqcn
        end local 0 // org.apache.logging.log4j.core.selector.ClassLoaderContextSelector this
      LocalVariableTable:
        Start  End  Slot            Name  Signature
            0   14     0            this  Lorg/apache/logging/log4j/core/selector/ClassLoaderContextSelector;
            0   14     1            fqcn  Ljava/lang/String;
            0   14     2          loader  Ljava/lang/ClassLoader;
            0   14     3  currentContext  Z
            0   14     4  configLocation  Ljava/net/URI;
            2    5     5             ctx  Lorg/apache/logging/log4j/core/LoggerContext;
            8   14     5           clazz  Ljava/lang/Class<*>;
           11   14     6              lc  Lorg/apache/logging/log4j/core/LoggerContext;
    MethodParameters:
                Name  Flags
      fqcn            final
      loader          final
      currentContext  final
      configLocation  final

  public void removeContext(org.apache.logging.log4j.core.LoggerContext);
    descriptor: (Lorg/apache/logging/log4j/core/LoggerContext;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=5, args_size=2
        start local 0 // org.apache.logging.log4j.core.selector.ClassLoaderContextSelector this
        start local 1 // org.apache.logging.log4j.core.LoggerContext context
         0: .line 86
            getstatic org.apache.logging.log4j.core.selector.ClassLoaderContextSelector.CONTEXT_MAP:Ljava/util/concurrent/ConcurrentMap;
            invokeinterface java.util.concurrent.ConcurrentMap.entrySet:()Ljava/util/Set;
            invokeinterface java.util.Set.iterator:()Ljava/util/Iterator;
            astore 3
            goto 5
      StackMap locals: org.apache.logging.log4j.core.selector.ClassLoaderContextSelector org.apache.logging.log4j.core.LoggerContext top java.util.Iterator
      StackMap stack:
         1: aload 3
            invokeinterface java.util.Iterator.next:()Ljava/lang/Object;
            checkcast java.util.Map$Entry
            astore 2 /* entry */
        start local 2 // java.util.Map$Entry entry
         2: .line 87
            aload 2 /* entry */
            invokeinterface java.util.Map$Entry.getValue:()Ljava/lang/Object;
            checkcast java.util.concurrent.atomic.AtomicReference
            invokevirtual java.util.concurrent.atomic.AtomicReference.get:()Ljava/lang/Object;
            checkcast java.lang.ref.WeakReference
            invokevirtual java.lang.ref.WeakReference.get:()Ljava/lang/Object;
            checkcast org.apache.logging.log4j.core.LoggerContext
            astore 4 /* ctx */
        start local 4 // org.apache.logging.log4j.core.LoggerContext ctx
         3: .line 88
            aload 4 /* ctx */
            aload 1 /* context */
            if_acmpne 5
         4: .line 89
            getstatic org.apache.logging.log4j.core.selector.ClassLoaderContextSelector.CONTEXT_MAP:Ljava/util/concurrent/ConcurrentMap;
            aload 2 /* entry */
            invokeinterface java.util.Map$Entry.getKey:()Ljava/lang/Object;
            invokeinterface java.util.concurrent.ConcurrentMap.remove:(Ljava/lang/Object;)Ljava/lang/Object;
            pop
        end local 4 // org.apache.logging.log4j.core.LoggerContext ctx
        end local 2 // java.util.Map$Entry entry
         5: .line 86
      StackMap locals:
      StackMap stack:
            aload 3
            invokeinterface java.util.Iterator.hasNext:()Z
            ifne 1
         6: .line 92
            return
        end local 1 // org.apache.logging.log4j.core.LoggerContext context
        end local 0 // org.apache.logging.log4j.core.selector.ClassLoaderContextSelector this
      LocalVariableTable:
        Start  End  Slot     Name  Signature
            0    7     0     this  Lorg/apache/logging/log4j/core/selector/ClassLoaderContextSelector;
            0    7     1  context  Lorg/apache/logging/log4j/core/LoggerContext;
            2    5     2    entry  Ljava/util/Map$Entry<Ljava/lang/String;Ljava/util/concurrent/atomic/AtomicReference<Ljava/lang/ref/WeakReference<Lorg/apache/logging/log4j/core/LoggerContext;>;>;>;
            3    5     4      ctx  Lorg/apache/logging/log4j/core/LoggerContext;
    MethodParameters:
         Name  Flags
      context  final

  public java.util.List<org.apache.logging.log4j.core.LoggerContext> getLoggerContexts();
    descriptor: ()Ljava/util/List;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=6, args_size=1
        start local 0 // org.apache.logging.log4j.core.selector.ClassLoaderContextSelector this
         0: .line 96
            new java.util.ArrayList
            dup
            invokespecial java.util.ArrayList.<init>:()V
            astore 1 /* list */
        start local 1 // java.util.List list
         1: .line 97
            getstatic org.apache.logging.log4j.core.selector.ClassLoaderContextSelector.CONTEXT_MAP:Ljava/util/concurrent/ConcurrentMap;
            invokeinterface java.util.concurrent.ConcurrentMap.values:()Ljava/util/Collection;
            astore 2 /* coll */
        start local 2 // java.util.Collection coll
         2: .line 98
            aload 2 /* coll */
            invokeinterface java.util.Collection.iterator:()Ljava/util/Iterator;
            astore 4
            goto 7
      StackMap locals: org.apache.logging.log4j.core.selector.ClassLoaderContextSelector java.util.List java.util.Collection top java.util.Iterator
      StackMap stack:
         3: aload 4
            invokeinterface java.util.Iterator.next:()Ljava/lang/Object;
            checkcast java.util.concurrent.atomic.AtomicReference
            astore 3 /* ref */
        start local 3 // java.util.concurrent.atomic.AtomicReference ref
         4: .line 99
            aload 3 /* ref */
            invokevirtual java.util.concurrent.atomic.AtomicReference.get:()Ljava/lang/Object;
            checkcast java.lang.ref.WeakReference
            invokevirtual java.lang.ref.WeakReference.get:()Ljava/lang/Object;
            checkcast org.apache.logging.log4j.core.LoggerContext
            astore 5 /* ctx */
        start local 5 // org.apache.logging.log4j.core.LoggerContext ctx
         5: .line 100
            aload 5 /* ctx */
            ifnull 7
         6: .line 101
            aload 1 /* list */
            aload 5 /* ctx */
            invokeinterface java.util.List.add:(Ljava/lang/Object;)Z
            pop
        end local 5 // org.apache.logging.log4j.core.LoggerContext ctx
        end local 3 // java.util.concurrent.atomic.AtomicReference ref
         7: .line 98
      StackMap locals:
      StackMap stack:
            aload 4
            invokeinterface java.util.Iterator.hasNext:()Z
            ifne 3
         8: .line 104
            aload 1 /* list */
            invokestatic java.util.Collections.unmodifiableList:(Ljava/util/List;)Ljava/util/List;
            areturn
        end local 2 // java.util.Collection coll
        end local 1 // java.util.List list
        end local 0 // org.apache.logging.log4j.core.selector.ClassLoaderContextSelector this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    9     0  this  Lorg/apache/logging/log4j/core/selector/ClassLoaderContextSelector;
            1    9     1  list  Ljava/util/List<Lorg/apache/logging/log4j/core/LoggerContext;>;
            2    9     2  coll  Ljava/util/Collection<Ljava/util/concurrent/atomic/AtomicReference<Ljava/lang/ref/WeakReference<Lorg/apache/logging/log4j/core/LoggerContext;>;>;>;
            4    7     3   ref  Ljava/util/concurrent/atomic/AtomicReference<Ljava/lang/ref/WeakReference<Lorg/apache/logging/log4j/core/LoggerContext;>;>;
            5    7     5   ctx  Lorg/apache/logging/log4j/core/LoggerContext;
    Signature: ()Ljava/util/List<Lorg/apache/logging/log4j/core/LoggerContext;>;

  private org.apache.logging.log4j.core.LoggerContext locateContext(java.lang.ClassLoader, java.net.URI);
    descriptor: (Ljava/lang/ClassLoader;Ljava/net/URI;)Lorg/apache/logging/log4j/core/LoggerContext;
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=5, locals=9, args_size=3
        start local 0 // org.apache.logging.log4j.core.selector.ClassLoaderContextSelector this
        start local 1 // java.lang.ClassLoader loaderOrNull
        start local 2 // java.net.URI configLocation
         0: .line 109
            aload 1 /* loaderOrNull */
            ifnull 1
            aload 1 /* loaderOrNull */
            goto 2
      StackMap locals:
      StackMap stack:
         1: invokestatic java.lang.ClassLoader.getSystemClassLoader:()Ljava/lang/ClassLoader;
      StackMap locals:
      StackMap stack: java.lang.ClassLoader
         2: astore 3 /* loader */
        start local 3 // java.lang.ClassLoader loader
         3: .line 110
            aload 0 /* this */
            aload 3 /* loader */
            invokevirtual org.apache.logging.log4j.core.selector.ClassLoaderContextSelector.toContextMapKey:(Ljava/lang/ClassLoader;)Ljava/lang/String;
            astore 4 /* name */
        start local 4 // java.lang.String name
         4: .line 111
            getstatic org.apache.logging.log4j.core.selector.ClassLoaderContextSelector.CONTEXT_MAP:Ljava/util/concurrent/ConcurrentMap;
            aload 4 /* name */
            invokeinterface java.util.concurrent.ConcurrentMap.get:(Ljava/lang/Object;)Ljava/lang/Object;
            checkcast java.util.concurrent.atomic.AtomicReference
            astore 5 /* ref */
        start local 5 // java.util.concurrent.atomic.AtomicReference ref
         5: .line 112
            aload 5 /* ref */
            ifnonnull 23
         6: .line 113
            aload 2 /* configLocation */
            ifnonnull 17
         7: .line 114
            aload 3 /* loader */
            invokevirtual java.lang.ClassLoader.getParent:()Ljava/lang/ClassLoader;
            astore 6 /* parent */
        start local 6 // java.lang.ClassLoader parent
         8: .line 115
            goto 16
         9: .line 117
      StackMap locals: org.apache.logging.log4j.core.selector.ClassLoaderContextSelector java.lang.ClassLoader java.net.URI java.lang.ClassLoader java.lang.String java.util.concurrent.atomic.AtomicReference java.lang.ClassLoader
      StackMap stack:
            getstatic org.apache.logging.log4j.core.selector.ClassLoaderContextSelector.CONTEXT_MAP:Ljava/util/concurrent/ConcurrentMap;
            aload 0 /* this */
            aload 6 /* parent */
            invokevirtual org.apache.logging.log4j.core.selector.ClassLoaderContextSelector.toContextMapKey:(Ljava/lang/ClassLoader;)Ljava/lang/String;
            invokeinterface java.util.concurrent.ConcurrentMap.get:(Ljava/lang/Object;)Ljava/lang/Object;
            checkcast java.util.concurrent.atomic.AtomicReference
            astore 5 /* ref */
        10: .line 118
            aload 5 /* ref */
            ifnull 15
        11: .line 119
            aload 5 /* ref */
            invokevirtual java.util.concurrent.atomic.AtomicReference.get:()Ljava/lang/Object;
            checkcast java.lang.ref.WeakReference
            astore 7 /* r */
        start local 7 // java.lang.ref.WeakReference r
        12: .line 120
            aload 7 /* r */
            invokevirtual java.lang.ref.WeakReference.get:()Ljava/lang/Object;
            checkcast org.apache.logging.log4j.core.LoggerContext
            astore 8 /* ctx */
        start local 8 // org.apache.logging.log4j.core.LoggerContext ctx
        13: .line 121
            aload 8 /* ctx */
            ifnull 15
        14: .line 122
            aload 8 /* ctx */
            areturn
        end local 8 // org.apache.logging.log4j.core.LoggerContext ctx
        end local 7 // java.lang.ref.WeakReference r
        15: .line 125
      StackMap locals:
      StackMap stack:
            aload 6 /* parent */
            invokevirtual java.lang.ClassLoader.getParent:()Ljava/lang/ClassLoader;
            astore 6 /* parent */
        16: .line 115
      StackMap locals:
      StackMap stack:
            aload 6 /* parent */
            ifnonnull 9
        end local 6 // java.lang.ClassLoader parent
        17: .line 145
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            aload 4 /* name */
            aload 2 /* configLocation */
            invokevirtual org.apache.logging.log4j.core.selector.ClassLoaderContextSelector.createContext:(Ljava/lang/String;Ljava/net/URI;)Lorg/apache/logging/log4j/core/LoggerContext;
            astore 6 /* ctx */
        start local 6 // org.apache.logging.log4j.core.LoggerContext ctx
        18: .line 146
            new java.util.concurrent.atomic.AtomicReference
            dup
            invokespecial java.util.concurrent.atomic.AtomicReference.<init>:()V
            astore 7 /* r */
        start local 7 // java.util.concurrent.atomic.AtomicReference r
        19: .line 147
            aload 7 /* r */
            new java.lang.ref.WeakReference
            dup
            aload 6 /* ctx */
            invokespecial java.lang.ref.WeakReference.<init>:(Ljava/lang/Object;)V
            invokevirtual java.util.concurrent.atomic.AtomicReference.set:(Ljava/lang/Object;)V
        20: .line 148
            getstatic org.apache.logging.log4j.core.selector.ClassLoaderContextSelector.CONTEXT_MAP:Ljava/util/concurrent/ConcurrentMap;
            aload 4 /* name */
            aload 7 /* r */
            invokeinterface java.util.concurrent.ConcurrentMap.putIfAbsent:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            pop
        21: .line 149
            getstatic org.apache.logging.log4j.core.selector.ClassLoaderContextSelector.CONTEXT_MAP:Ljava/util/concurrent/ConcurrentMap;
            aload 4 /* name */
            invokeinterface java.util.concurrent.ConcurrentMap.get:(Ljava/lang/Object;)Ljava/lang/Object;
            checkcast java.util.concurrent.atomic.AtomicReference
            invokevirtual java.util.concurrent.atomic.AtomicReference.get:()Ljava/lang/Object;
            checkcast java.lang.ref.WeakReference
            invokevirtual java.lang.ref.WeakReference.get:()Ljava/lang/Object;
            checkcast org.apache.logging.log4j.core.LoggerContext
            astore 6 /* ctx */
        22: .line 150
            aload 6 /* ctx */
            areturn
        end local 7 // java.util.concurrent.atomic.AtomicReference r
        end local 6 // org.apache.logging.log4j.core.LoggerContext ctx
        23: .line 152
      StackMap locals:
      StackMap stack:
            aload 5 /* ref */
            invokevirtual java.util.concurrent.atomic.AtomicReference.get:()Ljava/lang/Object;
            checkcast java.lang.ref.WeakReference
            astore 6 /* weakRef */
        start local 6 // java.lang.ref.WeakReference weakRef
        24: .line 153
            aload 6 /* weakRef */
            invokevirtual java.lang.ref.WeakReference.get:()Ljava/lang/Object;
            checkcast org.apache.logging.log4j.core.LoggerContext
            astore 7 /* ctx */
        start local 7 // org.apache.logging.log4j.core.LoggerContext ctx
        25: .line 154
            aload 7 /* ctx */
            ifnull 36
        26: .line 155
            aload 7 /* ctx */
            invokevirtual org.apache.logging.log4j.core.LoggerContext.getConfigLocation:()Ljava/net/URI;
            ifnonnull 30
            aload 2 /* configLocation */
            ifnull 30
        27: .line 156
            getstatic org.apache.logging.log4j.core.selector.ClassLoaderContextSelector.LOGGER:Lorg/apache/logging/log4j/status/StatusLogger;
            ldc "Setting configuration to {}"
            aload 2 /* configLocation */
            invokevirtual org.apache.logging.log4j.status.StatusLogger.debug:(Ljava/lang/String;Ljava/lang/Object;)V
        28: .line 157
            aload 7 /* ctx */
            aload 2 /* configLocation */
            invokevirtual org.apache.logging.log4j.core.LoggerContext.setConfigLocation:(Ljava/net/URI;)V
        29: .line 158
            goto 35
      StackMap locals: java.lang.ref.WeakReference org.apache.logging.log4j.core.LoggerContext
      StackMap stack:
        30: aload 7 /* ctx */
            invokevirtual org.apache.logging.log4j.core.LoggerContext.getConfigLocation:()Ljava/net/URI;
            ifnull 35
            aload 2 /* configLocation */
            ifnull 35
        31: .line 159
            aload 7 /* ctx */
            invokevirtual org.apache.logging.log4j.core.LoggerContext.getConfigLocation:()Ljava/net/URI;
            aload 2 /* configLocation */
            invokevirtual java.net.URI.equals:(Ljava/lang/Object;)Z
            ifne 35
        32: .line 160
            getstatic org.apache.logging.log4j.core.selector.ClassLoaderContextSelector.LOGGER:Lorg/apache/logging/log4j/status/StatusLogger;
            ldc "locateContext called with URI {}. Existing LoggerContext has URI {}"
            aload 2 /* configLocation */
        33: .line 161
            aload 7 /* ctx */
            invokevirtual org.apache.logging.log4j.core.LoggerContext.getConfigLocation:()Ljava/net/URI;
        34: .line 160
            invokevirtual org.apache.logging.log4j.status.StatusLogger.warn:(Ljava/lang/String;Ljava/lang/Object;Ljava/lang/Object;)V
        35: .line 163
      StackMap locals:
      StackMap stack:
            aload 7 /* ctx */
            areturn
        36: .line 165
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            aload 4 /* name */
            aload 2 /* configLocation */
            invokevirtual org.apache.logging.log4j.core.selector.ClassLoaderContextSelector.createContext:(Ljava/lang/String;Ljava/net/URI;)Lorg/apache/logging/log4j/core/LoggerContext;
            astore 7 /* ctx */
        37: .line 166
            aload 5 /* ref */
            aload 6 /* weakRef */
            new java.lang.ref.WeakReference
            dup
            aload 7 /* ctx */
            invokespecial java.lang.ref.WeakReference.<init>:(Ljava/lang/Object;)V
            invokevirtual java.util.concurrent.atomic.AtomicReference.compareAndSet:(Ljava/lang/Object;Ljava/lang/Object;)Z
            pop
        38: .line 167
            aload 7 /* ctx */
            areturn
        end local 7 // org.apache.logging.log4j.core.LoggerContext ctx
        end local 6 // java.lang.ref.WeakReference weakRef
        end local 5 // java.util.concurrent.atomic.AtomicReference ref
        end local 4 // java.lang.String name
        end local 3 // java.lang.ClassLoader loader
        end local 2 // java.net.URI configLocation
        end local 1 // java.lang.ClassLoader loaderOrNull
        end local 0 // org.apache.logging.log4j.core.selector.ClassLoaderContextSelector this
      LocalVariableTable:
        Start  End  Slot            Name  Signature
            0   39     0            this  Lorg/apache/logging/log4j/core/selector/ClassLoaderContextSelector;
            0   39     1    loaderOrNull  Ljava/lang/ClassLoader;
            0   39     2  configLocation  Ljava/net/URI;
            3   39     3          loader  Ljava/lang/ClassLoader;
            4   39     4            name  Ljava/lang/String;
            5   39     5             ref  Ljava/util/concurrent/atomic/AtomicReference<Ljava/lang/ref/WeakReference<Lorg/apache/logging/log4j/core/LoggerContext;>;>;
            8   17     6          parent  Ljava/lang/ClassLoader;
           12   15     7               r  Ljava/lang/ref/WeakReference<Lorg/apache/logging/log4j/core/LoggerContext;>;
           13   15     8             ctx  Lorg/apache/logging/log4j/core/LoggerContext;
           18   23     6             ctx  Lorg/apache/logging/log4j/core/LoggerContext;
           19   23     7               r  Ljava/util/concurrent/atomic/AtomicReference<Ljava/lang/ref/WeakReference<Lorg/apache/logging/log4j/core/LoggerContext;>;>;
           24   39     6         weakRef  Ljava/lang/ref/WeakReference<Lorg/apache/logging/log4j/core/LoggerContext;>;
           25   39     7             ctx  Lorg/apache/logging/log4j/core/LoggerContext;
    MethodParameters:
                Name  Flags
      loaderOrNull    final
      configLocation  final

  protected org.apache.logging.log4j.core.LoggerContext createContext(java.lang.String, java.net.URI);
    descriptor: (Ljava/lang/String;Ljava/net/URI;)Lorg/apache/logging/log4j/core/LoggerContext;
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=5, locals=3, args_size=3
        start local 0 // org.apache.logging.log4j.core.selector.ClassLoaderContextSelector this
        start local 1 // java.lang.String name
        start local 2 // java.net.URI configLocation
         0: .line 171
            new org.apache.logging.log4j.core.LoggerContext
            dup
            aload 1 /* name */
            aconst_null
            aload 2 /* configLocation */
            invokespecial org.apache.logging.log4j.core.LoggerContext.<init>:(Ljava/lang/String;Ljava/lang/Object;Ljava/net/URI;)V
            areturn
        end local 2 // java.net.URI configLocation
        end local 1 // java.lang.String name
        end local 0 // org.apache.logging.log4j.core.selector.ClassLoaderContextSelector this
      LocalVariableTable:
        Start  End  Slot            Name  Signature
            0    1     0            this  Lorg/apache/logging/log4j/core/selector/ClassLoaderContextSelector;
            0    1     1            name  Ljava/lang/String;
            0    1     2  configLocation  Ljava/net/URI;
    MethodParameters:
                Name  Flags
      name            final
      configLocation  final

  protected java.lang.String toContextMapKey(java.lang.ClassLoader);
    descriptor: (Ljava/lang/ClassLoader;)Ljava/lang/String;
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=1, locals=2, args_size=2
        start local 0 // org.apache.logging.log4j.core.selector.ClassLoaderContextSelector this
        start local 1 // java.lang.ClassLoader loader
         0: .line 175
            aload 1 /* loader */
            invokestatic java.lang.System.identityHashCode:(Ljava/lang/Object;)I
            invokestatic java.lang.Integer.toHexString:(I)Ljava/lang/String;
            areturn
        end local 1 // java.lang.ClassLoader loader
        end local 0 // org.apache.logging.log4j.core.selector.ClassLoaderContextSelector this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    1     0    this  Lorg/apache/logging/log4j/core/selector/ClassLoaderContextSelector;
            0    1     1  loader  Ljava/lang/ClassLoader;
    MethodParameters:
        Name  Flags
      loader  final

  protected org.apache.logging.log4j.core.LoggerContext getDefault();
    descriptor: ()Lorg/apache/logging/log4j/core/LoggerContext;
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=5, locals=2, args_size=1
        start local 0 // org.apache.logging.log4j.core.selector.ClassLoaderContextSelector this
         0: .line 179
            getstatic org.apache.logging.log4j.core.selector.ClassLoaderContextSelector.DEFAULT_CONTEXT:Ljava/util/concurrent/atomic/AtomicReference;
            invokevirtual java.util.concurrent.atomic.AtomicReference.get:()Ljava/lang/Object;
            checkcast org.apache.logging.log4j.core.LoggerContext
            astore 1 /* ctx */
        start local 1 // org.apache.logging.log4j.core.LoggerContext ctx
         1: .line 180
            aload 1 /* ctx */
            ifnull 3
         2: .line 181
            aload 1 /* ctx */
            areturn
         3: .line 183
      StackMap locals: org.apache.logging.log4j.core.LoggerContext
      StackMap stack:
            getstatic org.apache.logging.log4j.core.selector.ClassLoaderContextSelector.DEFAULT_CONTEXT:Ljava/util/concurrent/atomic/AtomicReference;
            aconst_null
            aload 0 /* this */
            aload 0 /* this */
            invokevirtual org.apache.logging.log4j.core.selector.ClassLoaderContextSelector.defaultContextName:()Ljava/lang/String;
            aconst_null
            invokevirtual org.apache.logging.log4j.core.selector.ClassLoaderContextSelector.createContext:(Ljava/lang/String;Ljava/net/URI;)Lorg/apache/logging/log4j/core/LoggerContext;
            invokevirtual java.util.concurrent.atomic.AtomicReference.compareAndSet:(Ljava/lang/Object;Ljava/lang/Object;)Z
            pop
         4: .line 184
            getstatic org.apache.logging.log4j.core.selector.ClassLoaderContextSelector.DEFAULT_CONTEXT:Ljava/util/concurrent/atomic/AtomicReference;
            invokevirtual java.util.concurrent.atomic.AtomicReference.get:()Ljava/lang/Object;
            checkcast org.apache.logging.log4j.core.LoggerContext
            areturn
        end local 1 // org.apache.logging.log4j.core.LoggerContext ctx
        end local 0 // org.apache.logging.log4j.core.selector.ClassLoaderContextSelector this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    5     0  this  Lorg/apache/logging/log4j/core/selector/ClassLoaderContextSelector;
            1    5     1   ctx  Lorg/apache/logging/log4j/core/LoggerContext;

  protected java.lang.String defaultContextName();
    descriptor: ()Ljava/lang/String;
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.apache.logging.log4j.core.selector.ClassLoaderContextSelector this
         0: .line 188
            ldc "Default"
            areturn
        end local 0 // org.apache.logging.log4j.core.selector.ClassLoaderContextSelector this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/apache/logging/log4j/core/selector/ClassLoaderContextSelector;
}
SourceFile: "ClassLoaderContextSelector.java"
InnerClasses:
  public abstract Entry = java.util.Map$Entry of java.util.Map