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 
class org.apache.logging.log4j.core.net.SmtpManager$SMTPManagerFactory implements org.apache.logging.log4j.core.appender.ManagerFactory<org.apache.logging.log4j.core.net.SmtpManager, org.apache.logging.log4j.core.net.SmtpManager$FactoryData>
  minor version: 0
  major version: 59
  flags: flags: (0x0020) ACC_SUPER
  this_class: org.apache.logging.log4j.core.net.SmtpManager$SMTPManagerFactory
  super_class: java.lang.Object
{
  private void <init>();
    descriptor: ()V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.apache.logging.log4j.core.net.SmtpManager$SMTPManagerFactory this
         0: .line 313
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
            return
        end local 0 // org.apache.logging.log4j.core.net.SmtpManager$SMTPManagerFactory this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/apache/logging/log4j/core/net/SmtpManager$SMTPManagerFactory;

  public org.apache.logging.log4j.core.net.SmtpManager createManager(java.lang.String, org.apache.logging.log4j.core.net.SmtpManager$FactoryData);
    descriptor: (Ljava/lang/String;Lorg/apache/logging/log4j/core/net/SmtpManager$FactoryData;)Lorg/apache/logging/log4j/core/net/SmtpManager;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=6, locals=7, args_size=3
        start local 0 // org.apache.logging.log4j.core.net.SmtpManager$SMTPManagerFactory this
        start local 1 // java.lang.String name
        start local 2 // org.apache.logging.log4j.core.net.SmtpManager$FactoryData data
         0: .line 317
            new java.lang.StringBuilder
            dup
            ldc "mail."
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            aload 2 /* data */
            getfield org.apache.logging.log4j.core.net.SmtpManager$FactoryData.protocol:Ljava/lang/String;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            astore 3 /* prefix */
        start local 3 // java.lang.String prefix
         1: .line 319
            invokestatic org.apache.logging.log4j.util.PropertiesUtil.getSystemProperties:()Ljava/util/Properties;
            astore 4 /* properties */
        start local 4 // java.util.Properties properties
         2: .line 320
            aload 4 /* properties */
            ldc "mail.transport.protocol"
            aload 2 /* data */
            getfield org.apache.logging.log4j.core.net.SmtpManager$FactoryData.protocol:Ljava/lang/String;
            invokevirtual java.util.Properties.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            pop
         3: .line 321
            aload 4 /* properties */
            ldc "mail.host"
            invokevirtual java.util.Properties.getProperty:(Ljava/lang/String;)Ljava/lang/String;
            ifnonnull 5
         4: .line 323
            aload 4 /* properties */
            ldc "mail.host"
            invokestatic org.apache.logging.log4j.core.util.NetUtils.getLocalHostname:()Ljava/lang/String;
            invokevirtual java.util.Properties.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            pop
         5: .line 326
      StackMap locals: java.lang.String java.util.Properties
      StackMap stack:
            aload 2 /* data */
            getfield org.apache.logging.log4j.core.net.SmtpManager$FactoryData.host:Ljava/lang/String;
            ifnull 7
         6: .line 327
            aload 4 /* properties */
            new java.lang.StringBuilder
            dup
            aload 3 /* prefix */
            invokestatic java.lang.String.valueOf:(Ljava/lang/Object;)Ljava/lang/String;
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            ldc ".host"
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            aload 2 /* data */
            getfield org.apache.logging.log4j.core.net.SmtpManager$FactoryData.host:Ljava/lang/String;
            invokevirtual java.util.Properties.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            pop
         7: .line 329
      StackMap locals:
      StackMap stack:
            aload 2 /* data */
            getfield org.apache.logging.log4j.core.net.SmtpManager$FactoryData.port:I
            ifle 9
         8: .line 330
            aload 4 /* properties */
            new java.lang.StringBuilder
            dup
            aload 3 /* prefix */
            invokestatic java.lang.String.valueOf:(Ljava/lang/Object;)Ljava/lang/String;
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            ldc ".port"
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            aload 2 /* data */
            getfield org.apache.logging.log4j.core.net.SmtpManager$FactoryData.port:I
            invokestatic java.lang.String.valueOf:(I)Ljava/lang/String;
            invokevirtual java.util.Properties.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            pop
         9: .line 333
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            aload 2 /* data */
            getfield org.apache.logging.log4j.core.net.SmtpManager$FactoryData.username:Ljava/lang/String;
            aload 2 /* data */
            getfield org.apache.logging.log4j.core.net.SmtpManager$FactoryData.password:Ljava/lang/String;
            invokevirtual org.apache.logging.log4j.core.net.SmtpManager$SMTPManagerFactory.buildAuthenticator:(Ljava/lang/String;Ljava/lang/String;)Ljavax/mail/Authenticator;
            astore 5 /* authenticator */
        start local 5 // javax.mail.Authenticator authenticator
        10: .line 334
            aload 5 /* authenticator */
            ifnull 12
        11: .line 335
            aload 4 /* properties */
            new java.lang.StringBuilder
            dup
            aload 3 /* prefix */
            invokestatic java.lang.String.valueOf:(Ljava/lang/Object;)Ljava/lang/String;
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            ldc ".auth"
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            ldc "true"
            invokevirtual java.util.Properties.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            pop
        12: .line 338
      StackMap locals: javax.mail.Authenticator
      StackMap stack:
            aload 4 /* properties */
            aload 5 /* authenticator */
            invokestatic javax.mail.Session.getInstance:(Ljava/util/Properties;Ljavax/mail/Authenticator;)Ljavax/mail/Session;
            astore 6 /* session */
        start local 6 // javax.mail.Session session
        13: .line 339
            aload 6 /* session */
            ldc "rfc822"
            aload 2 /* data */
            getfield org.apache.logging.log4j.core.net.SmtpManager$FactoryData.protocol:Ljava/lang/String;
            invokevirtual javax.mail.Session.setProtocolForAddress:(Ljava/lang/String;Ljava/lang/String;)V
        14: .line 340
            aload 6 /* session */
            aload 2 /* data */
            getfield org.apache.logging.log4j.core.net.SmtpManager$FactoryData.isDebug:Z
            invokevirtual javax.mail.Session.setDebug:(Z)V
        15: .line 341
            new org.apache.logging.log4j.core.net.SmtpManager
            dup
            aload 1 /* name */
            aload 6 /* session */
            aconst_null
            aload 2 /* data */
            invokespecial org.apache.logging.log4j.core.net.SmtpManager.<init>:(Ljava/lang/String;Ljavax/mail/Session;Ljavax/mail/internet/MimeMessage;Lorg/apache/logging/log4j/core/net/SmtpManager$FactoryData;)V
            areturn
        end local 6 // javax.mail.Session session
        end local 5 // javax.mail.Authenticator authenticator
        end local 4 // java.util.Properties properties
        end local 3 // java.lang.String prefix
        end local 2 // org.apache.logging.log4j.core.net.SmtpManager$FactoryData data
        end local 1 // java.lang.String name
        end local 0 // org.apache.logging.log4j.core.net.SmtpManager$SMTPManagerFactory this
      LocalVariableTable:
        Start  End  Slot           Name  Signature
            0   16     0           this  Lorg/apache/logging/log4j/core/net/SmtpManager$SMTPManagerFactory;
            0   16     1           name  Ljava/lang/String;
            0   16     2           data  Lorg/apache/logging/log4j/core/net/SmtpManager$FactoryData;
            1   16     3         prefix  Ljava/lang/String;
            2   16     4     properties  Ljava/util/Properties;
           10   16     5  authenticator  Ljavax/mail/Authenticator;
           13   16     6        session  Ljavax/mail/Session;
    MethodParameters:
      Name  Flags
      name  final
      data  final

  private javax.mail.Authenticator buildAuthenticator(java.lang.String, java.lang.String);
    descriptor: (Ljava/lang/String;Ljava/lang/String;)Ljavax/mail/Authenticator;
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=5, locals=3, args_size=3
        start local 0 // org.apache.logging.log4j.core.net.SmtpManager$SMTPManagerFactory this
        start local 1 // java.lang.String username
        start local 2 // java.lang.String password
         0: .line 345
            aload 2 /* password */
            ifnull 2
            aload 1 /* username */
            ifnull 2
         1: .line 346
            new org.apache.logging.log4j.core.net.SmtpManager$SMTPManagerFactory$1
            dup
            aload 0 /* this */
            aload 1 /* username */
            aload 2 /* password */
            invokespecial org.apache.logging.log4j.core.net.SmtpManager$SMTPManagerFactory$1.<init>:(Lorg/apache/logging/log4j/core/net/SmtpManager$SMTPManagerFactory;Ljava/lang/String;Ljava/lang/String;)V
            areturn
         2: .line 356
      StackMap locals:
      StackMap stack:
            aconst_null
            areturn
        end local 2 // java.lang.String password
        end local 1 // java.lang.String username
        end local 0 // org.apache.logging.log4j.core.net.SmtpManager$SMTPManagerFactory this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0    3     0      this  Lorg/apache/logging/log4j/core/net/SmtpManager$SMTPManagerFactory;
            0    3     1  username  Ljava/lang/String;
            0    3     2  password  Ljava/lang/String;
    MethodParameters:
          Name  Flags
      username  final
      password  final

  public java.lang.Object createManager(java.lang.String, java.lang.Object);
    descriptor: (Ljava/lang/String;Ljava/lang/Object;)Ljava/lang/Object;
    flags: (0x1041) ACC_PUBLIC, ACC_BRIDGE, ACC_SYNTHETIC
    Code:
      stack=3, locals=3, args_size=3
         0: .line 1
            aload 0
            aload 1
            aload 2
            checkcast org.apache.logging.log4j.core.net.SmtpManager$FactoryData
            invokevirtual org.apache.logging.log4j.core.net.SmtpManager$SMTPManagerFactory.createManager:(Ljava/lang/String;Lorg/apache/logging/log4j/core/net/SmtpManager$FactoryData;)Lorg/apache/logging/log4j/core/net/SmtpManager;
            areturn
      LocalVariableTable:
        Start  End  Slot  Name  Signature
}
Signature: Ljava/lang/Object;Lorg/apache/logging/log4j/core/appender/ManagerFactory<Lorg/apache/logging/log4j/core/net/SmtpManager;Lorg/apache/logging/log4j/core/net/SmtpManager$FactoryData;>;
SourceFile: "SmtpManager.java"
NestHost: org.apache.logging.log4j.core.net.SmtpManager
InnerClasses:
  private FactoryData = org.apache.logging.log4j.core.net.SmtpManager$FactoryData of org.apache.logging.log4j.core.net.SmtpManager
  private SMTPManagerFactory = org.apache.logging.log4j.core.net.SmtpManager$SMTPManagerFactory of org.apache.logging.log4j.core.net.SmtpManager
  org.apache.logging.log4j.core.net.SmtpManager$SMTPManagerFactory$1