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 final class org.apache.logging.log4j.core.layout.SerializedLayout extends org.apache.logging.log4j.core.layout.AbstractLayout<org.apache.logging.log4j.core.LogEvent>
  minor version: 0
  major version: 59
  flags: flags: (0x0031) ACC_PUBLIC, ACC_FINAL, ACC_SUPER
  this_class: org.apache.logging.log4j.core.layout.SerializedLayout
  super_class: org.apache.logging.log4j.core.layout.AbstractLayout
{
  private static byte[] serializedHeader;
    descriptor: [B
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC

  static void <clinit>();
    descriptor: ()V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=3, locals=2, args_size=0
         0: .line 44
            new java.io.ByteArrayOutputStream
            dup
            invokespecial java.io.ByteArrayOutputStream.<init>:()V
            astore 0 /* baos */
        start local 0 // java.io.ByteArrayOutputStream baos
         1: .line 46
            new java.io.ObjectOutputStream
            dup
            aload 0 /* baos */
            invokespecial java.io.ObjectOutputStream.<init>:(Ljava/io/OutputStream;)V
            invokevirtual java.io.ObjectOutputStream.close:()V
         2: .line 47
            aload 0 /* baos */
            invokevirtual java.io.ByteArrayOutputStream.toByteArray:()[B
            putstatic org.apache.logging.log4j.core.layout.SerializedLayout.serializedHeader:[B
         3: .line 48
            goto 6
      StackMap locals: java.io.ByteArrayOutputStream
      StackMap stack: java.lang.Exception
         4: astore 1 /* ex */
        start local 1 // java.lang.Exception ex
         5: .line 49
            getstatic org.apache.logging.log4j.core.layout.SerializedLayout.LOGGER:Lorg/apache/logging/log4j/Logger;
            ldc "Unable to generate Object stream header"
            aload 1 /* ex */
            invokeinterface org.apache.logging.log4j.Logger.error:(Ljava/lang/String;Ljava/lang/Throwable;)V
        end local 1 // java.lang.Exception ex
        end local 0 // java.io.ByteArrayOutputStream baos
         6: .line 51
      StackMap locals:
      StackMap stack:
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            1    6     0  baos  Ljava/io/ByteArrayOutputStream;
            5    6     1    ex  Ljava/lang/Exception;
      Exception table:
        from    to  target  type
           1     3       4  Class java.lang.Exception

  private void <init>();
    descriptor: ()V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=4, locals=1, args_size=1
        start local 0 // org.apache.logging.log4j.core.layout.SerializedLayout this
         0: .line 54
            aload 0 /* this */
            aconst_null
            aconst_null
            aconst_null
            invokespecial org.apache.logging.log4j.core.layout.AbstractLayout.<init>:(Lorg/apache/logging/log4j/core/config/Configuration;[B[B)V
         1: .line 55
            getstatic org.apache.logging.log4j.core.layout.SerializedLayout.LOGGER:Lorg/apache/logging/log4j/Logger;
            ldc "SerializedLayout is deprecated due to the inherent security weakness in Java Serialization, see https://www.owasp.org/index.php/Deserialization_of_untrusted_data Consider using another layout, e.g. JsonLayout"
            invokeinterface org.apache.logging.log4j.Logger.warn:(Ljava/lang/String;)V
         2: .line 56
            return
        end local 0 // org.apache.logging.log4j.core.layout.SerializedLayout this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Lorg/apache/logging/log4j/core/layout/SerializedLayout;

  public byte[] toByteArray(org.apache.logging.log4j.core.LogEvent);
    descriptor: (Lorg/apache/logging/log4j/core/LogEvent;)[B
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=6, args_size=2
        start local 0 // org.apache.logging.log4j.core.layout.SerializedLayout this
        start local 1 // org.apache.logging.log4j.core.LogEvent event
         0: .line 66
            new java.io.ByteArrayOutputStream
            dup
            invokespecial java.io.ByteArrayOutputStream.<init>:()V
            astore 2 /* baos */
        start local 2 // java.io.ByteArrayOutputStream baos
         1: .line 67
            aconst_null
            astore 3
            aconst_null
            astore 4
         2: new org.apache.logging.log4j.core.layout.SerializedLayout$PrivateObjectOutputStream
            dup
            aload 0 /* this */
            aload 2 /* baos */
            invokespecial org.apache.logging.log4j.core.layout.SerializedLayout$PrivateObjectOutputStream.<init>:(Lorg/apache/logging/log4j/core/layout/SerializedLayout;Ljava/io/OutputStream;)V
            astore 5 /* oos */
        start local 5 // java.io.ObjectOutputStream oos
         3: .line 68
            aload 5 /* oos */
            aload 1 /* event */
            invokevirtual java.io.ObjectOutputStream.writeObject:(Ljava/lang/Object;)V
         4: .line 69
            aload 5 /* oos */
            invokevirtual java.io.ObjectOutputStream.reset:()V
         5: .line 70
            aload 5 /* oos */
            ifnull 13
            aload 5 /* oos */
            invokevirtual java.io.ObjectOutputStream.close:()V
            goto 13
      StackMap locals: org.apache.logging.log4j.core.layout.SerializedLayout org.apache.logging.log4j.core.LogEvent java.io.ByteArrayOutputStream java.lang.Throwable java.lang.Throwable java.io.ObjectOutputStream
      StackMap stack: java.lang.Throwable
         6: astore 3
            aload 5 /* oos */
            ifnull 7
            aload 5 /* oos */
            invokevirtual java.io.ObjectOutputStream.close:()V
        end local 5 // java.io.ObjectOutputStream oos
      StackMap locals:
      StackMap stack:
         7: aload 3
            athrow
      StackMap locals:
      StackMap stack: java.lang.Throwable
         8: astore 4
            aload 3
            ifnonnull 9
            aload 4
            astore 3
            goto 10
      StackMap locals:
      StackMap stack:
         9: aload 3
            aload 4
            if_acmpeq 10
            aload 3
            aload 4
            invokevirtual java.lang.Throwable.addSuppressed:(Ljava/lang/Throwable;)V
      StackMap locals:
      StackMap stack:
        10: aload 3
            athrow
      StackMap locals: org.apache.logging.log4j.core.layout.SerializedLayout org.apache.logging.log4j.core.LogEvent java.io.ByteArrayOutputStream
      StackMap stack: java.io.IOException
        11: astore 3 /* ioe */
        start local 3 // java.io.IOException ioe
        12: .line 71
            getstatic org.apache.logging.log4j.core.layout.SerializedLayout.LOGGER:Lorg/apache/logging/log4j/Logger;
            ldc "Serialization of LogEvent failed."
            aload 3 /* ioe */
            invokeinterface org.apache.logging.log4j.Logger.error:(Ljava/lang/String;Ljava/lang/Throwable;)V
        end local 3 // java.io.IOException ioe
        13: .line 73
      StackMap locals:
      StackMap stack:
            aload 2 /* baos */
            invokevirtual java.io.ByteArrayOutputStream.toByteArray:()[B
            areturn
        end local 2 // java.io.ByteArrayOutputStream baos
        end local 1 // org.apache.logging.log4j.core.LogEvent event
        end local 0 // org.apache.logging.log4j.core.layout.SerializedLayout this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0   14     0   this  Lorg/apache/logging/log4j/core/layout/SerializedLayout;
            0   14     1  event  Lorg/apache/logging/log4j/core/LogEvent;
            1   14     2   baos  Ljava/io/ByteArrayOutputStream;
            3    7     5    oos  Ljava/io/ObjectOutputStream;
           12   13     3    ioe  Ljava/io/IOException;
      Exception table:
        from    to  target  type
           3     5       6  any
           2     8       8  any
           1    11      11  Class java.io.IOException
    MethodParameters:
       Name  Flags
      event  final

  public org.apache.logging.log4j.core.LogEvent toSerializable(org.apache.logging.log4j.core.LogEvent);
    descriptor: (Lorg/apache/logging/log4j/core/LogEvent;)Lorg/apache/logging/log4j/core/LogEvent;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=2, args_size=2
        start local 0 // org.apache.logging.log4j.core.layout.SerializedLayout this
        start local 1 // org.apache.logging.log4j.core.LogEvent event
         0: .line 84
            aload 1 /* event */
            areturn
        end local 1 // org.apache.logging.log4j.core.LogEvent event
        end local 0 // org.apache.logging.log4j.core.layout.SerializedLayout this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    1     0   this  Lorg/apache/logging/log4j/core/layout/SerializedLayout;
            0    1     1  event  Lorg/apache/logging/log4j/core/LogEvent;
    MethodParameters:
       Name  Flags
      event  final

  public static org.apache.logging.log4j.core.layout.SerializedLayout createLayout();
    descriptor: ()Lorg/apache/logging/log4j/core/layout/SerializedLayout;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=2, locals=0, args_size=0
         0: .line 94
            new org.apache.logging.log4j.core.layout.SerializedLayout
            dup
            invokespecial org.apache.logging.log4j.core.layout.SerializedLayout.<init>:()V
            areturn
      LocalVariableTable:
        Start  End  Slot  Name  Signature
    RuntimeVisibleAnnotations: 
      java.lang.Deprecated()
      org.apache.logging.log4j.core.config.plugins.PluginFactory()

  public byte[] getHeader();
    descriptor: ()[B
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.apache.logging.log4j.core.layout.SerializedLayout this
         0: .line 99
            getstatic org.apache.logging.log4j.core.layout.SerializedLayout.serializedHeader:[B
            areturn
        end local 0 // org.apache.logging.log4j.core.layout.SerializedLayout this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/apache/logging/log4j/core/layout/SerializedLayout;

  public java.lang.String getContentType();
    descriptor: ()Ljava/lang/String;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.apache.logging.log4j.core.layout.SerializedLayout this
         0: .line 108
            ldc "application/octet-stream"
            areturn
        end local 0 // org.apache.logging.log4j.core.layout.SerializedLayout this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/apache/logging/log4j/core/layout/SerializedLayout;

  public java.io.Serializable toSerializable(org.apache.logging.log4j.core.LogEvent);
    descriptor: (Lorg/apache/logging/log4j/core/LogEvent;)Ljava/io/Serializable;
    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.SerializedLayout.toSerializable:(Lorg/apache/logging/log4j/core/LogEvent;)Lorg/apache/logging/log4j/core/LogEvent;
            areturn
      LocalVariableTable:
        Start  End  Slot  Name  Signature
}
Signature: Lorg/apache/logging/log4j/core/layout/AbstractLayout<Lorg/apache/logging/log4j/core/LogEvent;>;
SourceFile: "SerializedLayout.java"
NestMembers:
  org.apache.logging.log4j.core.layout.SerializedLayout$PrivateObjectOutputStream
InnerClasses:
  private PrivateObjectOutputStream = org.apache.logging.log4j.core.layout.SerializedLayout$PrivateObjectOutputStream of org.apache.logging.log4j.core.layout.SerializedLayout
    RuntimeVisibleAnnotations: 
      java.lang.Deprecated()
      org.apache.logging.log4j.core.config.plugins.Plugin(name = "SerializedLayout", category = "Core", elementType = "layout", printObject = true)