https://logging.apache.org/log4j/2.x/log4j-core/: The Apache Log4j Implementation (The Apache Software Foundation)
  • Ralph Goers (Nextiva)
  • Gary Gregory (Rocket Software)
  • Scott Deboy
  • Remko Popma
  • Nick Williams
  • Matt Sicker (CloudBees)
  • Bruce Brouwer
  • Mikael Ståldal (Spotify)
  • Carter Kozak 
public class org.apache.logging.log4j.core.impl.ContextDataFactory
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: org.apache.logging.log4j.core.impl.ContextDataFactory
  super_class: java.lang.Object
{
  private static final java.lang.invoke.MethodHandles$Lookup LOOKUP;
    descriptor: Ljava/lang/invoke/MethodHandles$Lookup;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL

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

  private static final java.lang.Class<? extends org.apache.logging.log4j.util.StringMap> CACHED_CLASS;
    descriptor: Ljava/lang/Class;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
    Signature: Ljava/lang/Class<+Lorg/apache/logging/log4j/util/StringMap;>;

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

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

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

  static void <clinit>();
    descriptor: ()V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=2, locals=0, args_size=0
         0: .line 51
            invokestatic java.lang.invoke.MethodHandles.lookup:()Ljava/lang/invoke/MethodHandles$Lookup;
            putstatic org.apache.logging.log4j.core.impl.ContextDataFactory.LOOKUP:Ljava/lang/invoke/MethodHandles$Lookup;
         1: .line 52
            invokestatic org.apache.logging.log4j.util.PropertiesUtil.getProperties:()Lorg/apache/logging/log4j/util/PropertiesUtil;
            ldc "log4j2.ContextData"
            invokevirtual org.apache.logging.log4j.util.PropertiesUtil.getStringProperty:(Ljava/lang/String;)Ljava/lang/String;
            putstatic org.apache.logging.log4j.core.impl.ContextDataFactory.CLASS_NAME:Ljava/lang/String;
         2: .line 53
            getstatic org.apache.logging.log4j.core.impl.ContextDataFactory.CLASS_NAME:Ljava/lang/String;
            invokestatic org.apache.logging.log4j.core.impl.ContextDataFactory.createCachedClass:(Ljava/lang/String;)Ljava/lang/Class;
            putstatic org.apache.logging.log4j.core.impl.ContextDataFactory.CACHED_CLASS:Ljava/lang/Class;
         3: .line 54
            getstatic org.apache.logging.log4j.core.impl.ContextDataFactory.CACHED_CLASS:Ljava/lang/Class;
            invokestatic org.apache.logging.log4j.core.impl.ContextDataFactory.createDefaultConstructor:(Ljava/lang/Class;)Ljava/lang/invoke/MethodHandle;
            putstatic org.apache.logging.log4j.core.impl.ContextDataFactory.DEFAULT_CONSTRUCTOR:Ljava/lang/invoke/MethodHandle;
         4: .line 55
            getstatic org.apache.logging.log4j.core.impl.ContextDataFactory.CACHED_CLASS:Ljava/lang/Class;
            invokestatic org.apache.logging.log4j.core.impl.ContextDataFactory.createInitialCapacityConstructor:(Ljava/lang/Class;)Ljava/lang/invoke/MethodHandle;
            putstatic org.apache.logging.log4j.core.impl.ContextDataFactory.INITIAL_CAPACITY_CONSTRUCTOR:Ljava/lang/invoke/MethodHandle;
         5: .line 57
            iconst_0
            invokestatic org.apache.logging.log4j.core.impl.ContextDataFactory.createContextData:(I)Lorg/apache/logging/log4j/util/StringMap;
            putstatic org.apache.logging.log4j.core.impl.ContextDataFactory.EMPTY_STRING_MAP:Lorg/apache/logging/log4j/util/StringMap;
         6: .line 60
            getstatic org.apache.logging.log4j.core.impl.ContextDataFactory.EMPTY_STRING_MAP:Lorg/apache/logging/log4j/util/StringMap;
            invokeinterface org.apache.logging.log4j.util.StringMap.freeze:()V
         7: .line 61
            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.impl.ContextDataFactory this
         0: .line 50
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
            return
        end local 0 // org.apache.logging.log4j.core.impl.ContextDataFactory this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/apache/logging/log4j/core/impl/ContextDataFactory;

  private static java.lang.Class<? extends org.apache.logging.log4j.util.StringMap> createCachedClass(java.lang.String);
    descriptor: (Ljava/lang/String;)Ljava/lang/Class;
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // java.lang.String className
         0: .line 64
            aload 0 /* className */
            ifnonnull 2
         1: .line 65
            aconst_null
            areturn
         2: .line 68
      StackMap locals:
      StackMap stack:
            aload 0 /* className */
            invokestatic org.apache.logging.log4j.core.util.Loader.loadClass:(Ljava/lang/String;)Ljava/lang/Class;
            ldc Lorg/apache/logging/log4j/util/IndexedStringMap;
            invokevirtual java.lang.Class.asSubclass:(Ljava/lang/Class;)Ljava/lang/Class;
         3: areturn
         4: .line 69
      StackMap locals:
      StackMap stack: java.lang.Exception
            pop
         5: .line 70
            aconst_null
            areturn
        end local 0 // java.lang.String className
      LocalVariableTable:
        Start  End  Slot       Name  Signature
            0    6     0  className  Ljava/lang/String;
      Exception table:
        from    to  target  type
           2     3       4  Class java.lang.Exception
    Signature: (Ljava/lang/String;)Ljava/lang/Class<+Lorg/apache/logging/log4j/util/StringMap;>;
    MethodParameters:
           Name  Flags
      className  final

  private static java.lang.invoke.MethodHandle createDefaultConstructor(java.lang.Class<? extends org.apache.logging.log4j.util.StringMap>);
    descriptor: (Ljava/lang/Class;)Ljava/lang/invoke/MethodHandle;
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC
    Code:
      stack=3, locals=1, args_size=1
        start local 0 // java.lang.Class cachedClass
         0: .line 75
            aload 0 /* cachedClass */
            ifnonnull 2
         1: .line 76
            aconst_null
            areturn
         2: .line 79
      StackMap locals:
      StackMap stack:
            getstatic org.apache.logging.log4j.core.impl.ContextDataFactory.LOOKUP:Ljava/lang/invoke/MethodHandles$Lookup;
            aload 0 /* cachedClass */
            getstatic java.lang.Void.TYPE:Ljava/lang/Class;
            invokestatic java.lang.invoke.MethodType.methodType:(Ljava/lang/Class;)Ljava/lang/invoke/MethodType;
            invokevirtual java.lang.invoke.MethodHandles$Lookup.findConstructor:(Ljava/lang/Class;Ljava/lang/invoke/MethodType;)Ljava/lang/invoke/MethodHandle;
         3: areturn
         4: .line 80
      StackMap locals:
      StackMap stack: java.lang.ReflectiveOperationException
            pop
         5: .line 81
            aconst_null
            areturn
        end local 0 // java.lang.Class cachedClass
      LocalVariableTable:
        Start  End  Slot         Name  Signature
            0    6     0  cachedClass  Ljava/lang/Class<+Lorg/apache/logging/log4j/util/StringMap;>;
      Exception table:
        from    to  target  type
           2     3       4  Class java.lang.NoSuchMethodException
           2     3       4  Class java.lang.IllegalAccessException
    Signature: (Ljava/lang/Class<+Lorg/apache/logging/log4j/util/StringMap;>;)Ljava/lang/invoke/MethodHandle;
    MethodParameters:
             Name  Flags
      cachedClass  final

  private static java.lang.invoke.MethodHandle createInitialCapacityConstructor(java.lang.Class<? extends org.apache.logging.log4j.util.StringMap>);
    descriptor: (Ljava/lang/Class;)Ljava/lang/invoke/MethodHandle;
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC
    Code:
      stack=4, locals=1, args_size=1
        start local 0 // java.lang.Class cachedClass
         0: .line 86
            aload 0 /* cachedClass */
            ifnonnull 2
         1: .line 87
            aconst_null
            areturn
         2: .line 90
      StackMap locals:
      StackMap stack:
            getstatic org.apache.logging.log4j.core.impl.ContextDataFactory.LOOKUP:Ljava/lang/invoke/MethodHandles$Lookup;
            aload 0 /* cachedClass */
            getstatic java.lang.Void.TYPE:Ljava/lang/Class;
            getstatic java.lang.Integer.TYPE:Ljava/lang/Class;
            invokestatic java.lang.invoke.MethodType.methodType:(Ljava/lang/Class;Ljava/lang/Class;)Ljava/lang/invoke/MethodType;
            invokevirtual java.lang.invoke.MethodHandles$Lookup.findConstructor:(Ljava/lang/Class;Ljava/lang/invoke/MethodType;)Ljava/lang/invoke/MethodHandle;
         3: areturn
         4: .line 91
      StackMap locals:
      StackMap stack: java.lang.ReflectiveOperationException
            pop
         5: .line 92
            aconst_null
            areturn
        end local 0 // java.lang.Class cachedClass
      LocalVariableTable:
        Start  End  Slot         Name  Signature
            0    6     0  cachedClass  Ljava/lang/Class<+Lorg/apache/logging/log4j/util/StringMap;>;
      Exception table:
        from    to  target  type
           2     3       4  Class java.lang.NoSuchMethodException
           2     3       4  Class java.lang.IllegalAccessException
    Signature: (Ljava/lang/Class<+Lorg/apache/logging/log4j/util/StringMap;>;)Ljava/lang/invoke/MethodHandle;
    MethodParameters:
             Name  Flags
      cachedClass  final

  public static org.apache.logging.log4j.util.StringMap createContextData();
    descriptor: ()Lorg/apache/logging/log4j/util/StringMap;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=2, locals=0, args_size=0
         0: .line 97
            getstatic org.apache.logging.log4j.core.impl.ContextDataFactory.DEFAULT_CONSTRUCTOR:Ljava/lang/invoke/MethodHandle;
            ifnonnull 2
         1: .line 98
            new org.apache.logging.log4j.util.SortedArrayStringMap
            dup
            invokespecial org.apache.logging.log4j.util.SortedArrayStringMap.<init>:()V
            areturn
         2: .line 101
      StackMap locals:
      StackMap stack:
            getstatic org.apache.logging.log4j.core.impl.ContextDataFactory.DEFAULT_CONSTRUCTOR:Ljava/lang/invoke/MethodHandle;
            invokevirtual java.lang.invoke.MethodHandle.invoke:()Lorg/apache/logging/log4j/util/IndexedStringMap;
         3: areturn
         4: .line 102
      StackMap locals:
      StackMap stack: java.lang.Throwable
            pop
         5: .line 103
            new org.apache.logging.log4j.util.SortedArrayStringMap
            dup
            invokespecial org.apache.logging.log4j.util.SortedArrayStringMap.<init>:()V
            areturn
      LocalVariableTable:
        Start  End  Slot  Name  Signature
      Exception table:
        from    to  target  type
           2     3       4  Class java.lang.Throwable

  public static org.apache.logging.log4j.util.StringMap createContextData(int);
    descriptor: (I)Lorg/apache/logging/log4j/util/StringMap;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=3, locals=1, args_size=1
        start local 0 // int initialCapacity
         0: .line 108
            getstatic org.apache.logging.log4j.core.impl.ContextDataFactory.INITIAL_CAPACITY_CONSTRUCTOR:Ljava/lang/invoke/MethodHandle;
            ifnonnull 2
         1: .line 109
            new org.apache.logging.log4j.util.SortedArrayStringMap
            dup
            iload 0 /* initialCapacity */
            invokespecial org.apache.logging.log4j.util.SortedArrayStringMap.<init>:(I)V
            areturn
         2: .line 112
      StackMap locals:
      StackMap stack:
            getstatic org.apache.logging.log4j.core.impl.ContextDataFactory.INITIAL_CAPACITY_CONSTRUCTOR:Ljava/lang/invoke/MethodHandle;
            iload 0 /* initialCapacity */
            invokevirtual java.lang.invoke.MethodHandle.invoke:(I)Lorg/apache/logging/log4j/util/IndexedStringMap;
         3: areturn
         4: .line 113
      StackMap locals:
      StackMap stack: java.lang.Throwable
            pop
         5: .line 114
            new org.apache.logging.log4j.util.SortedArrayStringMap
            dup
            iload 0 /* initialCapacity */
            invokespecial org.apache.logging.log4j.util.SortedArrayStringMap.<init>:(I)V
            areturn
        end local 0 // int initialCapacity
      LocalVariableTable:
        Start  End  Slot             Name  Signature
            0    6     0  initialCapacity  I
      Exception table:
        from    to  target  type
           2     3       4  Class java.lang.Throwable
    MethodParameters:
                 Name  Flags
      initialCapacity  final

  public static org.apache.logging.log4j.util.StringMap createContextData(java.util.Map<java.lang.String, java.lang.String>);
    descriptor: (Ljava/util/Map;)Lorg/apache/logging/log4j/util/StringMap;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=3, locals=4, args_size=1
        start local 0 // java.util.Map context
         0: .line 119
            aload 0 /* context */
            invokeinterface java.util.Map.size:()I
            invokestatic org.apache.logging.log4j.core.impl.ContextDataFactory.createContextData:(I)Lorg/apache/logging/log4j/util/StringMap;
            astore 1 /* contextData */
        start local 1 // org.apache.logging.log4j.util.StringMap contextData
         1: .line 120
            aload 0 /* context */
            invokeinterface java.util.Map.entrySet:()Ljava/util/Set;
            invokeinterface java.util.Set.iterator:()Ljava/util/Iterator;
            astore 3
            goto 4
      StackMap locals: java.util.Map org.apache.logging.log4j.util.StringMap top java.util.Iterator
      StackMap stack:
         2: 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
         3: .line 121
            aload 1 /* contextData */
            aload 2 /* entry */
            invokeinterface java.util.Map$Entry.getKey:()Ljava/lang/Object;
            checkcast java.lang.String
            aload 2 /* entry */
            invokeinterface java.util.Map$Entry.getValue:()Ljava/lang/Object;
            invokeinterface org.apache.logging.log4j.util.StringMap.putValue:(Ljava/lang/String;Ljava/lang/Object;)V
        end local 2 // java.util.Map$Entry entry
         4: .line 120
      StackMap locals:
      StackMap stack:
            aload 3
            invokeinterface java.util.Iterator.hasNext:()Z
            ifne 2
         5: .line 123
            aload 1 /* contextData */
            areturn
        end local 1 // org.apache.logging.log4j.util.StringMap contextData
        end local 0 // java.util.Map context
      LocalVariableTable:
        Start  End  Slot         Name  Signature
            0    6     0      context  Ljava/util/Map<Ljava/lang/String;Ljava/lang/String;>;
            1    6     1  contextData  Lorg/apache/logging/log4j/util/StringMap;
            3    4     2        entry  Ljava/util/Map$Entry<Ljava/lang/String;Ljava/lang/String;>;
    Signature: (Ljava/util/Map<Ljava/lang/String;Ljava/lang/String;>;)Lorg/apache/logging/log4j/util/StringMap;
    MethodParameters:
         Name  Flags
      context  final

  public static org.apache.logging.log4j.util.StringMap createContextData(org.apache.logging.log4j.util.ReadOnlyStringMap);
    descriptor: (Lorg/apache/logging/log4j/util/ReadOnlyStringMap;)Lorg/apache/logging/log4j/util/StringMap;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=2, locals=2, args_size=1
        start local 0 // org.apache.logging.log4j.util.ReadOnlyStringMap readOnlyStringMap
         0: .line 127
            aload 0 /* readOnlyStringMap */
            invokeinterface org.apache.logging.log4j.util.ReadOnlyStringMap.size:()I
            invokestatic org.apache.logging.log4j.core.impl.ContextDataFactory.createContextData:(I)Lorg/apache/logging/log4j/util/StringMap;
            astore 1 /* contextData */
        start local 1 // org.apache.logging.log4j.util.StringMap contextData
         1: .line 128
            aload 1 /* contextData */
            aload 0 /* readOnlyStringMap */
            invokeinterface org.apache.logging.log4j.util.StringMap.putAll:(Lorg/apache/logging/log4j/util/ReadOnlyStringMap;)V
         2: .line 129
            aload 1 /* contextData */
            areturn
        end local 1 // org.apache.logging.log4j.util.StringMap contextData
        end local 0 // org.apache.logging.log4j.util.ReadOnlyStringMap readOnlyStringMap
      LocalVariableTable:
        Start  End  Slot               Name  Signature
            0    3     0  readOnlyStringMap  Lorg/apache/logging/log4j/util/ReadOnlyStringMap;
            1    3     1        contextData  Lorg/apache/logging/log4j/util/StringMap;
    MethodParameters:
                   Name  Flags
      readOnlyStringMap  final

  public static org.apache.logging.log4j.util.StringMap emptyFrozenContextData();
    descriptor: ()Lorg/apache/logging/log4j/util/StringMap;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=1, locals=0, args_size=0
         0: .line 138
            getstatic org.apache.logging.log4j.core.impl.ContextDataFactory.EMPTY_STRING_MAP:Lorg/apache/logging/log4j/util/StringMap;
            areturn
      LocalVariableTable:
        Start  End  Slot  Name  Signature
}
SourceFile: "ContextDataFactory.java"
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