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.layout.JsonLayout$Builder<B extends org.apache.logging.log4j.core.layout.JsonLayout$Builder<B>> extends org.apache.logging.log4j.core.layout.AbstractJacksonLayout$Builder<B> implements org.apache.logging.log4j.core.util.Builder<org.apache.logging.log4j.core.layout.JsonLayout>
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: org.apache.logging.log4j.core.layout.JsonLayout$Builder
  super_class: org.apache.logging.log4j.core.layout.AbstractJacksonLayout$Builder
{
  private boolean propertiesAsList;
    descriptor: Z
    flags: (0x0002) ACC_PRIVATE
    RuntimeVisibleAnnotations: 
      org.apache.logging.log4j.core.config.plugins.PluginBuilderAttribute()

  private boolean objectMessageAsJsonObject;
    descriptor: Z
    flags: (0x0002) ACC_PRIVATE
    RuntimeVisibleAnnotations: 
      org.apache.logging.log4j.core.config.plugins.PluginBuilderAttribute()

  private org.apache.logging.log4j.core.util.KeyValuePair[] additionalFields;
    descriptor: [Lorg/apache/logging/log4j/core/util/KeyValuePair;
    flags: (0x0002) ACC_PRIVATE
    RuntimeVisibleAnnotations: 
      org.apache.logging.log4j.core.config.plugins.PluginElement(value = "AdditionalField")

  public void <init>();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // org.apache.logging.log4j.core.layout.JsonLayout$Builder this
         0: .line 90
            aload 0 /* this */
            invokespecial org.apache.logging.log4j.core.layout.AbstractJacksonLayout$Builder.<init>:()V
         1: .line 91
            aload 0 /* this */
            getstatic java.nio.charset.StandardCharsets.UTF_8:Ljava/nio/charset/Charset;
            invokevirtual org.apache.logging.log4j.core.layout.JsonLayout$Builder.setCharset:(Ljava/nio/charset/Charset;)Lorg/apache/logging/log4j/core/layout/AbstractStringLayout$Builder;
            pop
         2: .line 92
            return
        end local 0 // org.apache.logging.log4j.core.layout.JsonLayout$Builder this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Lorg/apache/logging/log4j/core/layout/JsonLayout$Builder<TB;>;

  public org.apache.logging.log4j.core.layout.JsonLayout build();
    descriptor: ()Lorg/apache/logging/log4j/core/layout/JsonLayout;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=17, locals=4, args_size=1
        start local 0 // org.apache.logging.log4j.core.layout.JsonLayout$Builder this
         0: .line 96
            aload 0 /* this */
            invokevirtual org.apache.logging.log4j.core.layout.JsonLayout$Builder.isProperties:()Z
            ifeq 1
            aload 0 /* this */
            getfield org.apache.logging.log4j.core.layout.JsonLayout$Builder.propertiesAsList:Z
            ifeq 1
            iconst_1
            goto 2
      StackMap locals:
      StackMap stack:
         1: iconst_0
      StackMap locals:
      StackMap stack: int
         2: istore 1 /* encodeThreadContextAsList */
        start local 1 // boolean encodeThreadContextAsList
         3: .line 97
            aload 0 /* this */
            aload 0 /* this */
            invokevirtual org.apache.logging.log4j.core.layout.JsonLayout$Builder.getHeader:()[B
            invokevirtual org.apache.logging.log4j.core.layout.JsonLayout$Builder.toStringOrNull:([B)Ljava/lang/String;
            astore 2 /* headerPattern */
        start local 2 // java.lang.String headerPattern
         4: .line 98
            aload 0 /* this */
            aload 0 /* this */
            invokevirtual org.apache.logging.log4j.core.layout.JsonLayout$Builder.getFooter:()[B
            invokevirtual org.apache.logging.log4j.core.layout.JsonLayout$Builder.toStringOrNull:([B)Ljava/lang/String;
            astore 3 /* footerPattern */
        start local 3 // java.lang.String footerPattern
         5: .line 99
            new org.apache.logging.log4j.core.layout.JsonLayout
            dup
            aload 0 /* this */
            invokevirtual org.apache.logging.log4j.core.layout.JsonLayout$Builder.getConfiguration:()Lorg/apache/logging/log4j/core/config/Configuration;
            aload 0 /* this */
            invokevirtual org.apache.logging.log4j.core.layout.JsonLayout$Builder.isLocationInfo:()Z
            aload 0 /* this */
            invokevirtual org.apache.logging.log4j.core.layout.JsonLayout$Builder.isProperties:()Z
            iload 1 /* encodeThreadContextAsList */
         6: .line 100
            aload 0 /* this */
            invokevirtual org.apache.logging.log4j.core.layout.JsonLayout$Builder.isComplete:()Z
            aload 0 /* this */
            invokevirtual org.apache.logging.log4j.core.layout.JsonLayout$Builder.isCompact:()Z
            aload 0 /* this */
            invokevirtual org.apache.logging.log4j.core.layout.JsonLayout$Builder.getEventEol:()Z
            aload 2 /* headerPattern */
            aload 3 /* footerPattern */
            aload 0 /* this */
            invokevirtual org.apache.logging.log4j.core.layout.JsonLayout$Builder.getCharset:()Ljava/nio/charset/Charset;
         7: .line 101
            aload 0 /* this */
            invokevirtual org.apache.logging.log4j.core.layout.JsonLayout$Builder.isIncludeStacktrace:()Z
            aload 0 /* this */
            invokevirtual org.apache.logging.log4j.core.layout.JsonLayout$Builder.isStacktraceAsString:()Z
            aload 0 /* this */
            invokevirtual org.apache.logging.log4j.core.layout.JsonLayout$Builder.isIncludeNullDelimiter:()Z
         8: .line 102
            aload 0 /* this */
            invokevirtual org.apache.logging.log4j.core.layout.JsonLayout$Builder.getAdditionalFields:()[Lorg/apache/logging/log4j/core/util/KeyValuePair;
            aload 0 /* this */
            invokevirtual org.apache.logging.log4j.core.layout.JsonLayout$Builder.getObjectMessageAsJsonObject:()Z
         9: .line 99
            invokespecial org.apache.logging.log4j.core.layout.JsonLayout.<init>:(Lorg/apache/logging/log4j/core/config/Configuration;ZZZZZZLjava/lang/String;Ljava/lang/String;Ljava/nio/charset/Charset;ZZZ[Lorg/apache/logging/log4j/core/util/KeyValuePair;Z)V
            areturn
        end local 3 // java.lang.String footerPattern
        end local 2 // java.lang.String headerPattern
        end local 1 // boolean encodeThreadContextAsList
        end local 0 // org.apache.logging.log4j.core.layout.JsonLayout$Builder this
      LocalVariableTable:
        Start  End  Slot                       Name  Signature
            0   10     0                       this  Lorg/apache/logging/log4j/core/layout/JsonLayout$Builder<TB;>;
            3   10     1  encodeThreadContextAsList  Z
            4   10     2              headerPattern  Ljava/lang/String;
            5   10     3              footerPattern  Ljava/lang/String;

  public boolean isPropertiesAsList();
    descriptor: ()Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.apache.logging.log4j.core.layout.JsonLayout$Builder this
         0: .line 106
            aload 0 /* this */
            getfield org.apache.logging.log4j.core.layout.JsonLayout$Builder.propertiesAsList:Z
            ireturn
        end local 0 // org.apache.logging.log4j.core.layout.JsonLayout$Builder this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/apache/logging/log4j/core/layout/JsonLayout$Builder<TB;>;

  public B setPropertiesAsList();
    descriptor: (Z)Lorg/apache/logging/log4j/core/layout/JsonLayout$Builder;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.apache.logging.log4j.core.layout.JsonLayout$Builder this
        start local 1 // boolean propertiesAsList
         0: .line 110
            aload 0 /* this */
            iload 1 /* propertiesAsList */
            putfield org.apache.logging.log4j.core.layout.JsonLayout$Builder.propertiesAsList:Z
         1: .line 111
            aload 0 /* this */
            invokevirtual org.apache.logging.log4j.core.layout.JsonLayout$Builder.asBuilder:()Lorg/apache/logging/log4j/core/layout/AbstractLayout$Builder;
            checkcast org.apache.logging.log4j.core.layout.JsonLayout$Builder
            areturn
        end local 1 // boolean propertiesAsList
        end local 0 // org.apache.logging.log4j.core.layout.JsonLayout$Builder this
      LocalVariableTable:
        Start  End  Slot              Name  Signature
            0    2     0              this  Lorg/apache/logging/log4j/core/layout/JsonLayout$Builder<TB;>;
            0    2     1  propertiesAsList  Z
    Signature: (Z)TB;
    MethodParameters:
                  Name  Flags
      propertiesAsList  final

  public boolean getObjectMessageAsJsonObject();
    descriptor: ()Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.apache.logging.log4j.core.layout.JsonLayout$Builder this
         0: .line 115
            aload 0 /* this */
            getfield org.apache.logging.log4j.core.layout.JsonLayout$Builder.objectMessageAsJsonObject:Z
            ireturn
        end local 0 // org.apache.logging.log4j.core.layout.JsonLayout$Builder this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/apache/logging/log4j/core/layout/JsonLayout$Builder<TB;>;

  public B setObjectMessageAsJsonObject();
    descriptor: (Z)Lorg/apache/logging/log4j/core/layout/JsonLayout$Builder;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.apache.logging.log4j.core.layout.JsonLayout$Builder this
        start local 1 // boolean objectMessageAsJsonObject
         0: .line 119
            aload 0 /* this */
            iload 1 /* objectMessageAsJsonObject */
            putfield org.apache.logging.log4j.core.layout.JsonLayout$Builder.objectMessageAsJsonObject:Z
         1: .line 120
            aload 0 /* this */
            invokevirtual org.apache.logging.log4j.core.layout.JsonLayout$Builder.asBuilder:()Lorg/apache/logging/log4j/core/layout/AbstractLayout$Builder;
            checkcast org.apache.logging.log4j.core.layout.JsonLayout$Builder
            areturn
        end local 1 // boolean objectMessageAsJsonObject
        end local 0 // org.apache.logging.log4j.core.layout.JsonLayout$Builder this
      LocalVariableTable:
        Start  End  Slot                       Name  Signature
            0    2     0                       this  Lorg/apache/logging/log4j/core/layout/JsonLayout$Builder<TB;>;
            0    2     1  objectMessageAsJsonObject  Z
    Signature: (Z)TB;
    MethodParameters:
                           Name  Flags
      objectMessageAsJsonObject  final

  public org.apache.logging.log4j.core.util.KeyValuePair[] getAdditionalFields();
    descriptor: ()[Lorg/apache/logging/log4j/core/util/KeyValuePair;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.apache.logging.log4j.core.layout.JsonLayout$Builder this
         0: .line 125
            aload 0 /* this */
            getfield org.apache.logging.log4j.core.layout.JsonLayout$Builder.additionalFields:[Lorg/apache/logging/log4j/core/util/KeyValuePair;
            areturn
        end local 0 // org.apache.logging.log4j.core.layout.JsonLayout$Builder this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/apache/logging/log4j/core/layout/JsonLayout$Builder<TB;>;

  public B setAdditionalFields(org.apache.logging.log4j.core.util.KeyValuePair[]);
    descriptor: ([Lorg/apache/logging/log4j/core/util/KeyValuePair;)Lorg/apache/logging/log4j/core/layout/JsonLayout$Builder;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.apache.logging.log4j.core.layout.JsonLayout$Builder this
        start local 1 // org.apache.logging.log4j.core.util.KeyValuePair[] additionalFields
         0: .line 130
            aload 0 /* this */
            aload 1 /* additionalFields */
            putfield org.apache.logging.log4j.core.layout.JsonLayout$Builder.additionalFields:[Lorg/apache/logging/log4j/core/util/KeyValuePair;
         1: .line 131
            aload 0 /* this */
            invokevirtual org.apache.logging.log4j.core.layout.JsonLayout$Builder.asBuilder:()Lorg/apache/logging/log4j/core/layout/AbstractLayout$Builder;
            checkcast org.apache.logging.log4j.core.layout.JsonLayout$Builder
            areturn
        end local 1 // org.apache.logging.log4j.core.util.KeyValuePair[] additionalFields
        end local 0 // org.apache.logging.log4j.core.layout.JsonLayout$Builder this
      LocalVariableTable:
        Start  End  Slot              Name  Signature
            0    2     0              this  Lorg/apache/logging/log4j/core/layout/JsonLayout$Builder<TB;>;
            0    2     1  additionalFields  [Lorg/apache/logging/log4j/core/util/KeyValuePair;
    Signature: ([Lorg/apache/logging/log4j/core/util/KeyValuePair;)TB;
    MethodParameters:
                  Name  Flags
      additionalFields  

  public org.apache.logging.log4j.core.layout.AbstractJacksonLayout$Builder setAdditionalFields(org.apache.logging.log4j.core.util.KeyValuePair[]);
    descriptor: ([Lorg/apache/logging/log4j/core/util/KeyValuePair;)Lorg/apache/logging/log4j/core/layout/AbstractJacksonLayout$Builder;
    flags: (0x1041) ACC_PUBLIC, ACC_BRIDGE, ACC_SYNTHETIC
    Code:
      stack=2, locals=2, args_size=2
         0: .line 1
            aload 0
            aload 1
            invokevirtual org.apache.logging.log4j.core.layout.JsonLayout$Builder.setAdditionalFields:([Lorg/apache/logging/log4j/core/util/KeyValuePair;)Lorg/apache/logging/log4j/core/layout/JsonLayout$Builder;
            areturn
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  public java.lang.Object build();
    descriptor: ()Ljava/lang/Object;
    flags: (0x1041) ACC_PUBLIC, ACC_BRIDGE, ACC_SYNTHETIC
    Code:
      stack=1, locals=1, args_size=1
         0: .line 1
            aload 0
            invokevirtual org.apache.logging.log4j.core.layout.JsonLayout$Builder.build:()Lorg/apache/logging/log4j/core/layout/JsonLayout;
            areturn
      LocalVariableTable:
        Start  End  Slot  Name  Signature
}
Signature: <B:Lorg/apache/logging/log4j/core/layout/JsonLayout$Builder<TB;>;>Lorg/apache/logging/log4j/core/layout/AbstractJacksonLayout$Builder<TB;>;Lorg/apache/logging/log4j/core/util/Builder<Lorg/apache/logging/log4j/core/layout/JsonLayout;>;
SourceFile: "JsonLayout.java"
NestHost: org.apache.logging.log4j.core.layout.JsonLayout
InnerClasses:
  public abstract Builder = org.apache.logging.log4j.core.layout.AbstractJacksonLayout$Builder of org.apache.logging.log4j.core.layout.AbstractJacksonLayout
  public abstract Builder = org.apache.logging.log4j.core.layout.AbstractLayout$Builder of org.apache.logging.log4j.core.layout.AbstractLayout
  public abstract Builder = org.apache.logging.log4j.core.layout.AbstractStringLayout$Builder of org.apache.logging.log4j.core.layout.AbstractStringLayout
  public Builder = org.apache.logging.log4j.core.layout.JsonLayout$Builder of org.apache.logging.log4j.core.layout.JsonLayout